JP3242859U - Insulated retainer - Google Patents

Abstract

[PROBLEMS] To provide a heat insulating holder that is easy to bend fingers while ensuring sufficient heat insulating properties and flexibly adapts to various shapes of handles and handles of cooking utensils. A heat insulating holder (100) having a first finger inserting means (110) for inserting four fingers from the index finger to the little finger and a second finger inserting means (120) for inserting the thumb, at least at positions corresponding to the outer edges of the fingers or the joints of the fingers on the palm side of the first finger inserting means. [Selection drawing] Fig. 2

Description

The present invention is useful when holding hot pots and pans, kettles, oven trays, home bakery pans, bread pans, and other metal, ceramic, heat-resistant glass, ceramic, and other utensils. to a heat insulating retainer for protecting from heat.

Conventional heat-insulating holders such as potholders and mittens are made flexible and heat-insulating by using a quilted material for the surface fabric and using a heat-insulating material such as cotton inside. Many of them have a tubular, glove-like shape, or a mitten-like shape.

JP-A-07-275139 Utility Model Registration No. 3109352

Japanese Patent Laid-Open No. 2004-100000 discloses a technique of insulating a portion that contacts a cooking utensil or the like by using a heat insulating material such as a thick contact cloth 11 . By using the material of the contact cloth 11 itself or a material such as cotton containing a large amount of air inside, heat conduction and heat radiation from cooking utensils and the like are mitigated.
Further, Patent Document 2 discloses a technique for improving heat insulation by using heat insulating materials such as a heat-resistant sheet for a finger insertion section sewn to the surface fabric and a back heat-resistant sheet sewn to the back fabric.

However, in these conventional techniques, when the cooking utensil including the contents is heavy, such as when the amount of cooked food, the amount of hot water or oil is large, or when the utensil itself is heavy, it is difficult to heat it. When you grab the handle or part of the cookware, the weight of the cookware as a whole and the pressure generated by the grip force when grasping may cause the inner cotton, which is the heat insulating material of the heat insulating holder, and the outer contact cloth (patented Reference 1 and Patent Reference 2), or a heat-resistant sheet provided with much effort (see Patent Reference 2) is crushed by pressure, and there have been many cases in which the thickness of the sheet is reduced.

For example, a container or tray cooked in a heater-type or/and steam-type oven, a bread case of a home bakery, a bread baking mold, a grill, etc. may reach a high temperature of 200° C. to 300° C. or higher.

In this case, first, from the viewpoint of heat conduction through substances, the heat insulating material of the heat insulating holder is crushed, the air with low thermal conductivity contained in the heat insulating material deviates, and the fiber volume of the heat insulating material As the coefficient increases and the thermal conductivity increases, the inner cotton, which is the heat insulating material of the heat insulating holder, the outer contact cloth, or the heat-resistant sheet itself becomes a medium for conducting heat, and the heat is transferred to the fingers. put away.

Furthermore, considering the heat radiation, the energy of heat radiation is inversely proportional to the square of the distance. The propagation of thermal energy by the infrared radiation of the hand has also caused the adverse effect that a considerable amount of heat is transferred to the hand.
As described above, in the heat insulating holder of the prior art, due to the heat conduction through the material and the propagation of the thermal energy by the heat radiation, the heat exceeding the heat insulation effect of the heat insulating material of the heat insulating holder is transferred to the hand, resulting in burns. There were inconveniences such as

On the other hand, if the thickness of the heat-insulating material such as cotton is increased, or if the fabric on the surface is thickened, the heat-insulating retainer as a whole becomes thicker and the fingers can be flexibly bent. However, a new problem arises in that it becomes difficult to firmly grasp the cooking utensils.

Alternatively, as in Patent Document 2, if a heat-resistant sheet or the like is overlaid and sewn evenly over a large area, the whole will not flexibly deform even if you try to bend your fingers, and it will inevitably stay in a flat shape. There was also the problem of dropping the cooking utensils, such as being unable to grip the utensils firmly.

In addition, even if you put a heat-resistant sheet uniformly over a large area, increase the thickness of the heat-insulating material such as cotton, or thicken the cloth on the surface, after all, if you hold heavy cooking utensils, that part will not be comfortable. In the vicinity of , there is an inconvenience that the heat insulating material such as cotton and the fabric on the surface are crushed and the thickness thereof is reduced.
In this case, even if the heat-resistant sheets are overlapped and sewn as in Patent Document 2, the distance between the cooking utensil and the fingers becomes short, and the heat-resistant sheet is affected by heat radiation inversely proportional to the square of the distance. The heat radiation reflection effect of the heat radiation cannot be expected, and although the heat insulation effect is not improved so much, there is also the inconvenience that the material cost increases and the cost price rises.
In addition, when the fabric on the surface is thickened, there are manufacturing problems such as difficulty in sewing work.

As described above, in the prior art, sufficient countermeasures were not taken in consideration of both heat conduction and heat radiation. However, it has not been possible to provide a heat insulating holder that exhibits an effective heat insulating effect.

Therefore, in the present invention, when the cooking utensil is gripped, the thickness of the heat insulating material is reduced due to the weight and pressure, while considering the effects on both heat conduction and heat radiation, and avoiding the above inconveniences. Therefore, as in the conventional technology, a thick heat insulating material is uniformly attached or sewn to the entire outside and inside of the heat insulating holder, or the thickness of heat insulating material such as cotton or urethane is reduced. To provide a heat-insulating retainer capable of flexible operation and high heat-insulating action by preventing bending and stretching of joints from being affected by increasing the size or thickening the fabric on the surface thereof. With the goal.

In addition, if a thick insulating material is attached or sewn uniformly over a large area, not only will it be difficult to bend your fingers, but the area and weight of the insulating material used will increase, resulting in an increase in cost. To provide a low-cost heat-insulating holder having a high heat-insulating effect by suppressing an increase in manufacturing cost.

In order to achieve the above object, the first idea is a heat insulating device comprising a first finger insertion means for inserting four fingers from the index finger to the little finger and a second finger insertion means for inserting the thumb. , at least on the palm side of the first finger insertion means, at a position corresponding to the outer edge of the finger or the joint of the finger, a plurality of high-density heat insulating materials having a predetermined thickness It is desirable that the heat insulating holder is divided into parts and pasted or sewn.

In this case, if the high-density heat insulating material having a predetermined thickness is on the palm side, the inside of the finger-insertion means of the heat-insulating retainer that contacts the finger, or the inside of the contact cloth, or It may be pasted or sewn onto the outside of the insulating retainer that abuts the cookware.
Moreover, it is not intended to be limited to the palm side, but it is sufficient if it is provided at least on the palm side, and it may be separately provided on the back side. In this case, the back of the hand may be exposed to heat depending on the shape of the tray in the oven, so it is useful to protect the back of the hand from heat.

A second idea is that the high-density heat-insulating material has a rectangular shape, and at least a high-density heat insulating material is provided on the palm side of the first finger insertion means at a position corresponding to the outer edge of the finger or the finger joint. It is desirable that the heat insulating retainer is divided into a plurality of parts and pasted or sewn so that the heat insulating material exists.
A third idea is that in the first or second idea, the high-density heat-insulating material is placed at a position such that the joints of the fingers are the boundaries between the high-density heat-insulating materials. It is desirable that the heat insulating retainer is divided into a plurality of parts and attached or sewn together so as to do so.
The fourth idea is to use the high-density heat-insulating material so that the position of the second joint from the index finger to the little finger is the boundary line between the high-density heat-insulating materials. , glued-on or sewn-on insulating retainers.

As a result, in addition to the high-density woven material itself having a certain degree of flexibility, the boundaries of the respective high-density woven materials are arranged so as to be located at the joints, so bending and stretching of the finger joints is not hindered. Therefore, it is possible to effectively suppress heat from cooking utensils and the like.
For example, from the index finger to the little finger, with the vicinity of the second joint as the center line, two in total, one on the fingertip side and one toward the base of the finger, are attached or sewn in approximately parallel to each other, It is possible to effectively suppress heat from cooking utensils and the like without inhibiting bending and stretching of joints.
Alternatively, from the index finger to the little finger, with the vicinity of each joint of each finger as the center line, two pieces of rectangular material for each finger, or a total of 8 pieces of rectangular material may be subdividedly pasted or sewn.

In this case, since at least two belt-like or tape-like high-density woven materials having a substantially rectangular long length are required to be pasted or sewn, the manufacturing cost can be reduced.

The fifth idea is to prevent the thickness from changing due to the pressure when holding cooking utensils, etc., by weaving spun yarn composed of natural materials or chemical fibers into the high-density heat insulating material. It is desirable that the material be a high density woven material constructed to:
The sixth idea is that the width (W1) of the high-density heat insulating material as viewed in the longitudinal direction is adjusted to the length of the part where the tip of the index finger or middle finger contacts the second joint of the finger, For example, it is desirable to be 25-60 mm.
The thickness of the high-density heat insulating material can be appropriately adjusted according to the heat resistance temperature to be set, and the width can be adjusted according to the size of the hand.

According to the present invention, the finger can be flexibly bent, and the thickness (and distance) of the portion where the heat insulating holder abuts the cooking utensil is less likely to change due to the weight of the cooking utensil or the pressure when gripping it. Therefore, it is possible to provide a heat insulating holder that can effectively protect fingers from high-temperature cooking utensils.

Moreover, according to the structure of this invention, it becomes possible to exhibit a high heat insulation effect with an inexpensive material.
Furthermore, by utilizing the technology of the present invention, it is possible to provide a heat insulating holder that is flexible and has high heat insulating properties not only when handling cooking utensils but also when handling high temperature objects at various manufacturing sites. A variety of uses are possible.

1 is a diagram showing an example of a conventional technique; FIG. 1 is a diagram showing an example of the configuration of the present invention; FIG. [FIG. 2] A diagram showing an example of a modification of the configuration of the present invention. [Fig. 3] is a view showing an example of an appearance after completion in the configuration example of Fig. 2; [Fig. 3] is a diagram showing a state in which the completed heat insulating holder in the configuration example of Fig. 2 is attached to a hand. [Fig. 3] is a diagram showing a state in which the completed heat insulating holder in the configuration example of Fig. 2 is worn on a hand, and is a diagram showing the positional relationship between the high-density heat insulating material and the joints of the fingers. is an example of experimental results showing the heat insulation effect of the technology of the present invention. [FIG. 2] A diagram showing an example of a modification of the configuration of the present invention. [FIG. 2] A diagram showing an example of a modification of the configuration of the present invention. [Fig. 10] is a diagram showing a state in which the completed heat insulating holder in the configuration example of Figs. 8 and 9 is worn on a hand. [FIG. 2] A diagram showing an example of a modification of the configuration of the present invention. [FIG. 2] A diagram showing an example of a modification of the configuration of the present invention. [FIG. 13] is a diagram showing a state in which the completed heat insulating holder in the configuration example of FIGS. 11 and 12 is attached to a hand;

<Description of terms>
◇Cooking utensils, etc. refer to general cooking utensils such as pots, kettles, heater-type and/or steam-type oven dishes and trays, home bakery bread cases, bread baking molds, and grills.
◇A pot holder is a general term for heat insulating holders with heat insulating properties that allow you to safely hold hot cooking utensils such as pots by hand. refers to the tools of
◇As for the shape of the potholder, there is a shape with two finger openings for the thumb and the remaining four (hereinafter referred to as "mitten type"), and a shape that imitates the mouth of an animal such as a frog (hereinafter referred to as "pakupaku type"). ), and the five-finger type, in which five fingers are separated into separate finger slots.

◇Heat insulation material is a material that suppresses heat conduction and heat radiation and has heat insulating properties. In addition to low-density insulation materials and high-density insulation materials described later, it is a general term for materials with heat insulation properties, including heat-resistant sheets and heat-reflecting sheets.
◇ Low-density thermal insulation materials refer to thermal insulation materials that are composed of relatively low-density materials such as cotton and are configured to contain a large amount of air.
◇The high-density insulation material is a material with heat insulation properties used in this invention. Any material with a given density that is strong enough to prevent it from being tucked away will suffice.
As an example of a high-density heat insulating material, spun yarn composed of natural materials or chemical fibers is woven as a material, and is configured to prevent changes in thickness due to pressure when gripping cooking utensils, etc. A high density woven material having a thickness of . The fiber volume ratio, which indicates the content of fibers per unit volume in a high-density woven material, can range from about 20 to 90%, but can be freely adjusted depending on the weaving method and material, and is not limited to this value.
Alternatively, as an example of a high-density heat insulating material, a resin material such as plastic, urethane, epoxy resin, or polyphenylene sulfide resin, or a rubber material such as natural rubber or urethane rubber can be used.

◇In addition to convection, there are heat conduction and heat radiation as mechanisms for transferring heat. Thermal conduction is the transfer of heat through a substance such as the material of a heat-insulating holder, and thermal radiation is the transfer of heat by the propagation of thermal energy as electromagnetic waves emitted from a high-temperature object. . The reason why a thick material such as quilt is used as the skin material in the heat insulating holder is to suppress heat conduction by containing air and to suppress heat radiation by keeping a distance.

◇Thermal conductivity is an index that indicates how easily heat is transferred, and is expressed in units of W/m·K. The thermal conductivity varies depending on the material. In general, metals have a high thermal conductivity, iron is 83.5, wood is 0.15 to 0.25, and the fiber material is 2.88 for cotton (cotton) alone without woven fibers. It is 0.48 for wool, 1.26 for polyester, and 1.02 for acrylic. It is known that the thermal conductivity of air is 0.024, which is very small (The Textile Machinery Society of Japan 39, T-184).
The insulating material is often composed of some fibrous material. The thermal conductivity of the fiber material varies depending on the type of fiber, and in the case of wool (hair), it varies somewhat depending on the weaving method. In contrast to 0.06, when the fiber volume fraction is 29%, the thermal conductivity is 0.09. In the case of cotton (cotton), when the fiber volume fraction is 12%, the thermal conductivity is 0.11, whereas when the fiber volume fraction is 23%, the thermal conductivity is 0.16. .
In the case of polyester, for example, when the fiber volume fraction is 21%, the thermal conductivity is 0.08, whereas when the fiber volume fraction is 40%, the thermal conductivity is 0.14. ing.

In this way, the thermal conductivity of any fiber tends to increase as the fiber volume ratio increases. Density insulation materials are often used.
On the other hand, if the fiber volume ratio is reduced, the heat insulating material will be crushed by the pressure applied to the heat insulating material when a cooking utensil or the like is gripped. occur.
Therefore, focusing on the fact that the thermal conductivity is only about 0.1 to 0.2 even if the fiber volume ratio is increased, the present invention proposes a heat insulating material composed of a general heat insulating material or a low density heat insulating material. To enhance heat insulation by effectively combining a high-density heat insulating material with a fixture.

◇ A representative example of thermal radiation is infrared radiation, which is an electromagnetic wave with a wavelength of 780 nm to 1 mm.
◇Infrared radiation is divided into “near-infrared”, “middle-infrared”, and “far-infrared” depending on the wavelength.
◇ Emissivity is the ratio of light energy (radiance) emitted by an object as thermal radiation to light energy emitted by a blackbody of the same temperature (blackbody radiation) when 1 is the ratio.
It is known that the emissivity of a substance varies depending on the wavelength range of infrared rays radiated as thermal energy.
Cooking utensils made of metals such as iron or cast iron, pottery, heat-resistant glass, ceramics, etc. emit more infrared radiation as the temperature rises, and the emissivity varies depending on the material.
Here, iron, cast iron, iron alloys, pottery, heat-resistant glass, and ceramics have high emissivity. , depending on the temperature, but in one example it is known to have a relatively high emissivity of 0.9. In particular, ceramic has a high emissivity of 0.94, and is therefore used as a heater material.

◇ Regarding the relationship between infrared radiation and distance, the energy density decreases in inverse proportion to the square of the distance. "Distance" is also one of the important parameters for reducing infrared radiation.

Examples of the heat insulating holder of the present invention will be described below.
It should be noted that the shape of the heat-insulating holder in the description is merely an example, and the heat-insulating holder can be applied to various shapes such as a puck type, a mitten type, and a five-fingered type.

1. Overview of Conventional Heat Insulation Holder First, the configuration of a conventional general heat insulation holder will be described with reference to FIG.
As shown in FIG. 1, a conventional general heat insulating holder has a structure in which a low-density heat insulating material 3 such as cotton is enclosed between a contact cloth 1 on the front side and a contact cloth 2 on the back side. .
The abutting cloth may be a quilted cloth that itself has a heat-insulating material enclosed therein.
In the case of conventional technology, the only way to increase the heat insulation effect is to increase the overall thickness of the contact cloth and the internal heat insulation material. There was a natural limit to the increase.
For this reason, the contact cloths 1 and 2 and the low-density heat insulating material 3 inside are crushed by the pressure applied when a heavy cooking utensil is held, resulting in the inconvenience that a sufficient heat insulating effect cannot be maintained.

2. Thermal insulation holder of the present invention 2-1. Example 1
Next, the heat insulation holder of this invention is demonstrated using FIG. 2 (1).
FIG. 2(1) is a diagram showing an embodiment of the heat insulating holder 100 of the present invention, showing the configuration of the portion that comes into contact with the finger. In actual use, the abutment cloth (not shown) that covers the back of the hand formed on the back side of the heat insulating holder 100 in FIG. 2 is folded back and used in the manner shown in FIG.

According to FIG. 2(1), the heat insulating holder 100 of the present invention has a first finger insertion means 110 for inserting four fingers from the index finger to the little finger and a second finger insertion means 120 for inserting the thumb. It has High-density heat insulating materials 10A and 10B are attached or sewn to the first finger-insertion means 110 and the portion that contacts the palm side.
Here, "pasting" includes bonding with an adhesive or the like, as well as fusing by heating. A storage area knitted with thread or the like is provided inside the abutment cloth, and a case in which the high-density heat insulating material is held so as to be confined within the storage area is also included.

FIG. 2(1) shows an embodiment in which the high-density heat insulating material 10 is provided on the part that contacts the palm side of the finger. Alternatively, it may be attached or sewn to the portions of the contact cloths 1 and 2 that come into contact with the cooking utensil (the outer side of the heat insulating holder 100).
When provided on the outside, it is preferable to use spun yarn of heat-resistant natural fibers such as cotton and hemp. On the other hand, when it is provided on the inner side, it is possible to use the one in which the outer contacting cloth is made of natural fibers such as cotton or hemp, and the inner side is woven with spun yarn of chemical fiber.

Here, in FIG. 2(1), the high-density heat insulating materials 10A and 10B have a belt-like or tape-like shape, and are attached or sewn almost parallel to each other.
The boundary between the high-density heat insulating materials 10A and 10B is generally attached or sewn at positions corresponding to the second joints of the four fingers from the index finger to the little finger.
As a result, in order to sufficiently improve the heat insulation property, even if thick, hard and hard to deform material is used as the material of the high-density heat insulating materials 10A and 10B, the action of bending the fingers and grasping an object can be performed flexibly. can be done.
The position of the second joint varies from finger to finger, but there is not much difference in the position of the second joint when the finger is bent when viewed from the side. If you set it to an average position, you can bend and stretch your fingers flexibly.

The second finger insertion means 120 for inserting the thumb also has a similar construction, such as high density insulation material 10C and 10D, but this is the same as the first finger insertion means 110 and the second finger insertion means 110. This symmetry is merely ensured so that any finger can be inserted by making the configuration of the finger insertion means 120 the same.
For example, the second finger entry means 120 for inserting the thumb is made smaller than the first finger entry means 110 to accommodate the shape of the thumb, and the high density insulation materials 10C and 10D are accordingly made. can be adjusted as appropriate. Alternatively, instead of using the two 10C and 10D high-density heat insulating materials 10 having a vertically elongated substantially rectangular shape like a belt or tape, a single piece may be used to fit the thumb.

As an example, the high-density heat insulating material 10 is woven with spun yarn composed of natural materials or chemical fibers as a material, and is configured to prevent the thickness from changing due to pressure or the like when a cooking utensil or the like is gripped. , a high density woven material having a predetermined thickness can be used.
As a high-density woven material with a predetermined thickness, it is possible to use inexpensive tape materials and belt materials for handicrafts sold at handicraft stores and 100-yen shops, enabling cost reduction. becomes.

The high-density woven material may be a high-density weave of natural fibers such as cotton, hemp, or pulp, or a weave of chemical fibers such as acrylic, nylon, polyester, or polypropylene.
In addition, if a fiber made by twisting many thin threads is used as the material, it is possible to create a fabric with a higher density, and it is difficult to deform due to the weight of the cooking utensil or the pressure when the utensil is gripped. Become.
It is desirable to have a certain thickness in order to ensure heat insulation, but it varies depending on the material and how much flexibility is to be secured. It is not limited to this.
The fiber volume ratio, which indicates the fiber content per unit volume, can range from about 20 to 90%, but can be freely adjusted depending on the weaving method and material, and is not limited to this value.

There are plain weave, twill weave, and satin weave as the three original weaves of textiles. Twill weave has excellent elasticity, and satin weave tends to be thick and flexible.
A twill weave or a satin weave is suitable for easy bending and stretching of the fingers, but a plain weave can also be used by appropriately adjusting the fibers used.
As a weaving method to give thickness, a multi-layered structure may be used. A certain thickness can be secured.

In addition, the material of the high-density heat insulating material 10 should prevent the material from being crushed by the weight and pressure when holding the cooking utensils, etc., and the distance between the high-temperature cooking utensils and fingers becoming close. Anything can be used, and in addition to a high-density woven material, a resin material may be attached, or a storage area knitted with thread or the like may be provided inside the contact cloth to wrap the resin material. .
In this case, as the shape of the high-density heat insulating material 10, rectangular parts such as those shown in FIGS. desirable.

As described above, the high-density heat insulating material 10 having a predetermined thickness of the present invention is densely structured, so the weight of the entire cooking utensil including the cooked food and the pressure generated by the grip force when grasping it can be reduced. Since it will not be crushed by the heat, the heat insulating effect can be reliably exhibited.

2-2. Example 2
Next, a modification of FIG. 2(1) will be described with reference to FIG. 2(2).
As shown in FIG. 2(2), the high-density heat insulating material 10 made of high-density woven material may be configured to have a rectangular shape divided for each finger. Note that the rectangular shape is just an example, and various shapes such as a square, rectangle, parallelogram, and ellipse can be adopted (hereinafter referred to as "substantially rectangular shape").
As a result, even if the angles at which the joints are bent are different for each finger, it is possible to respond more flexibly. Furthermore, in the drawing, the boundary between the high-density heat insulating materials 10A and 10B is configured so that each finger draws the same line, but the position may be adjusted according to the joint position of each finger.

In this case, the second finger-insertion means 120 for inserting the thumb is made smaller than the first finger-insertion means 110 so as to correspond to the shape of the thumb, and the high-density insulation material 10C is used accordingly. The shape of 10D can also be adjusted accordingly. Alternatively, a belt or tape-like high-density heat insulating material 10 having a vertically elongated substantially rectangular shape is used to fit the thumb without using two 10C and 10D (or one rectangular part etc. ) is fine.

2-3. Example 3
Alternatively, as shown in FIG. 2(3), a high-density heat insulating material 10 having a belt-like or tape-like, substantially rectangular shape that is elongated in the direction from the root of the finger to the fingertip is used to match the position of the finger. Also good. In this case, although the boundaries corresponding to the positions of the joints are not formed, since the high-density heat insulating material 10 is divided and attached to each finger, it is possible to grasp an object flexibly corresponding to the degree of bending of each finger to some extent. can be done.

In addition, the place where the high-density heat insulating material 10 is arranged is not limited to the palm side, but it is sufficient if it is provided at least on the palm side. It doesn't matter if Depending on the shape of the tray in the oven, the back side of the hand may be exposed to heat.

As described above, at least on the palm side of the first finger insertion means, the high-density woven material is divided into a plurality of parts and attached or sewn to the positions corresponding to the fingers or the finger joints. Therefore, it is possible to provide a heat insulating holder that can flexibly hold an object while ensuring heat insulating properties.
Regarding the width of the high-density woven material, as shown in Fig. 2 (1) and (2), when used in such a manner that the boundary is at the position of the joint, the width from the tip of the index finger or middle finger to the second joint of the finger For example, a width of about 25 mm to 60 mm can be used according to the length, and a width of about 10 to 20 mm can be used to match the width of the finger as shown in FIG. can be used.

2-4. Example 4
Next, another modified example will be described with reference to FIG.
FIG. 3 is a diagram showing an example of a mitten-type heat insulating holder.
According to FIG. 3(1), the heat insulating holder 100 of the present invention has a first finger insertion means 110 for inserting four fingers from the index finger to the little finger and a second finger insertion means 120 for inserting the thumb. It has
High-density heat insulating materials 10A and 10B are attached or sewn to the portion of the first finger insertion means 110 that contacts the palm side.

Here, in FIG. 3(1), the high-density heat insulating materials 10A and 10B have a belt-like or tape-like, vertically elongated substantially rectangular shape, and are attached or sewn together substantially parallel to each other. It is
The boundary between the high-density heat insulating materials 10A and 10B is generally attached or sewn at positions corresponding to the second joints of the four fingers from the index finger to the little finger.
As a result, in order to sufficiently improve the heat insulation, even if thick, hard and hard to deform material is used as the material of the high-density heat insulating materials 10A and 10B, it is possible to bend the fingers and grasp an object flexibly. can be done.

In this case, the high-density heat insulating materials 10C and 10D in the second finger-insertion means 120 for inserting the thumb may be made of one rectangular part or the like to fit the thumb, instead of using two parts. do not have.

Next, a modification of FIG. 3(1) will be described with reference to FIGS. 3(2) and 3(3).
As shown in FIG. 3(2), the high-density heat insulating material 10 may be configured to have a rectangular shape or the like divided for each finger. As a result, it is possible to more flexibly cope with different joint bending angles for each finger. Furthermore, in the drawing, the boundary between the high-density heat insulating materials 10A and 10B is configured so that each finger draws the same line, but the position may be adjusted according to the joint position of each finger.

In this case, the second finger-insertion means 120 for inserting the thumb is made smaller than the first finger-insertion means 110 so as to correspond to the shape of the thumb, and the high-density insulation material 10C is used accordingly. The shape of 10D can also be adjusted accordingly. Alternatively, instead of using two parts 10C and 10D for the belt or tape-like high-density heat insulating material 10 having a vertically elongated substantially rectangular shape, one rectangular part or the like may be used to fit the thumb. I don't mind.

Alternatively, as shown in FIG. 3(3), a high-density heat insulating material 10 having a belt or tape-like elongated substantially rectangular shape that matches the position of the finger in the direction from the base of the finger to the fingertip is used. Also good. In this case, the boundaries corresponding to the positions of the joints are not formed, but since the high-density heat insulating material 10 is divided and attached or sewn to each finger, the object can be flexibly accommodated to the bending and stretching of each finger to some extent. can grab.

Also, in the mitten-type heat-insulating retainer of FIG. 3, the high-density heat-insulating material 10 may be pasted or sewn on the back side of the hand at the position corresponding to the fingers or at the position in contact with the back of the hand.

<Usage state of the present invention in Examples 1 to 3>
Next, the usage conditions of Examples 1 to 3 of the present invention will be described with reference to FIGS. 4 and 5. FIG.
FIG. 4 is a diagram showing an example of the appearance after completion in the configuration example of FIG. 2, and is a diagram showing an example of a mode when using the heat insulating holder 100 of FIG. This is an example of a case where it is configured as a so-called puck-puck-type heat insulating holder.
When the portion (not shown) that covers the back of the hand, which is formed on the back side of the heat-insulating holder 100 of FIG. 2, is folded back, it becomes the state shown in FIG.

FIG. 5 is a diagram showing an example of a usage state, and shows a state in which the completed heat insulating holder 100 in the configuration example of FIG. 2 is worn on a hand.
Four fingers from the index finger to the little finger are inserted into the first finger insertion means 110, and the thumb is inserted into the second finger insertion means 120. As shown in FIG.
In this case, between each finger and the hot cooking utensil, there should be a contact cloth, a low-density insulating material such as cotton integrated with the contact cloth, or a high-density woven material. A high-density heat insulating material 10, etc. is present and can exhibit a heat insulating effect.

FIG. 6 is a diagram showing a state in which the completed heat insulating holder 100 in the configuration example of FIG. 2 is worn on a hand, and is a diagram showing the positional relationship of the high-density heat insulating material 10 in contact with the fingers.
According to FIG. 6, in the first finger insertion means 110 for inserting four fingers from the index finger to the little finger, the boundary between the high-density heat insulating materials 10A and 10B is just the average position of the second joint such as the index finger. It can be seen that it can flexibly accommodate the bending and stretching of the fingers from the index finger to the little finger.
In addition, the second finger insertion means 120 for inserting the thumb is configured so that the boundary between the high-density heat insulating materials 10C and 10D is positioned at the first joint or the second joint of the thumb. It can be seen that it is possible to respond flexibly to

FIG. 6 shows an example in which a high-density heat insulating material having a predetermined thickness is provided inside the finger insertion means of the heat insulating holder and in the portion that contacts the finger. It may be pasted or sewn onto the outside of the insulating retainer that abuts the cookware.

2-5. Example 5
Next, another modified example will be described with reference to FIGS. 8 to 10. FIG.
It should be noted that, in Example 5 as well, a plurality of parts are divided and pasted or sewn at least on the palm side of the first finger insertion means at positions corresponding to the outer edges of the fingers or the finger joints. are the same as in Examples 1-4.
FIG. 8 is a view showing an embodiment of the heat insulating holder 100 of the present invention when roughly divided into three high-density heat insulating materials are used, and shows the structure of the portion that comes into contact with the finger.
FIG. 8 is one of the modifications of FIG. 2(1) of Example 1, and has a configuration in which 10B and 10C of FIG. 2(1) are combined into one. For this reason, for convenience of explanation, the reference numerals of the high-density heat insulating material in the center are described as "10B, 10C".

Here, in FIG. 8, the high-density heat insulating material 10A has a belt-like or tape-like, slightly elongated substantially rectangular shape, and the high-density heat insulating materials 10B and 10C have substantially rectangular shapes. Various substantially rectangular shapes such as a parallelogram and an ellipse can be employed. For example, the four corners of the substantially rectangular shape may not be 90 degrees, and may be curved.

According to FIG. 8, the boundaries (arrows A) between the high-density heat insulating material 10A and the high-density heat insulating materials 10B and 10C are generally at positions corresponding to the second joints of the four fingers from the index finger to the little finger. It can be seen that they are respectively pasted or sewn so that
Also, the boundaries (arrows B) between the high-density heat insulating material 10D and the high-density heat insulating materials 10B and 10C are attached or sewn so as to correspond to the second joint of the thumb. I understand.
With these configurations, it is possible to flexibly bend the fingers to grasp an object.

In addition, unlike the first embodiment shown in FIG. 2(1), the central high-density heat insulating materials 10B and 10C are composed of a single sheet of material, so it is difficult to bend when inserting a hand and grasping an object. It seems so. However, since the joints of the fingers are not bent, but the approximately central portion of the palm (CT in FIG. 10) is bent, there is no particular problem even if the boundary portion of the high-density heat insulating material is not provided in this portion. In short, it is sufficient to provide a boundary portion of high-density heat insulating material corresponding to the finger joint portion.

FIG. 9 is one of the modifications of FIG. 8, and is a diagram showing an example of a form in which the high-density heat insulating material 10B, 10C portion in the center of FIG. 8 is divided into left and right. By dividing the high-density heat insulating material 10B, 10C into two left and right parts, the rigidity or strength of this part against bending is reduced, and it is easy to bend when bending at the approximate center part (CT in FIG. 10) of the palm. have the effect of Similarly, it is also possible to adopt a configuration in which this portion is divided into three, four, . . .

In FIG. 9, the same material can be used if the width W1 seen from the longitudinal direction of the high-density heat insulating material 10A and the width W3 seen from the longitudinal direction of the high-density heat insulating materials 10B and 10C are the same. can. For example, a tape-shaped high-density heat insulating material having a predetermined width is cut to an appropriate length and used.

FIG. 10 is a diagram showing a state in which the heat insulating holder 100 after completion in the configuration example of FIGS. 8 and 9 is worn on the hand, and is a diagram showing the positional relationship of the high-density heat insulating material 10 in contact with the fingers. .
According to FIG. 10, in the first finger insertion means 110 into which four fingers from the index finger to the little finger are inserted, the boundary between the high-density insulation material 10A and the high-density insulation materials 10B and 10C is just the index finger. It is configured to come to the average position of the second joint, and it can be seen that bending and stretching of the fingers from the index finger to the little finger can be flexibly accommodated.

Also, in the second finger insertion means 120 for inserting the thumb, the boundary between the high-density heat insulating materials 10B, 10C and the high-density heat insulating material 10D is configured to be positioned at the first joint or the second joint of the thumb. It can be seen that it can flexibly respond to the bending and stretching of the thumb.
Note that FIG. 10 shows an example in which a high-density heat insulating material having a predetermined thickness is provided inside the finger insertion means of the heat insulating holder and in a portion that contacts the finger. It may be pasted or sewn onto the outside of the insulating retainer that abuts the cookware.

Regarding the width W1 of the high-density woven material 10A, for example, like the high-density woven material 10A in FIGS. For example, a width of about 25 mm to 60 mm can be used according to the length from the tip of the middle finger to the second joint of the finger.
8 and 9, the width W2 of the high-density woven materials 10B and 10C is matched to the length from the second joint of the index finger or middle finger to the second joint of the thumb when viewed in the vertical direction of the drawings. For example, a width of about 60-100 mm can be used.

As for the width W3 of the high-density fabric materials 10B and 10C in FIG. 9, for example, about 25 to 60 mm can be used according to about half the length from the index finger to the little finger.
Also, regarding the length L of the high-density fabric material 10A in the horizontal direction of the drawing, it is possible to use a material having a width of, for example, about 60 to 110 mm in accordance with the length from the index finger to the little finger.

2-6. Example 6
Next, another modified example will be described with reference to FIGS. 11 to 13. FIG.
In the sixth embodiment as well, a plurality of parts are divided and pasted or sewn at least on the palm side of the first finger insertion means at positions corresponding to the outer edges of the fingers or the finger joints. are the same as in Examples 1-5.

FIG. 11 is a diagram illustrating the entirety of FIG. 2(3) of Example 3, and in the direction from the base of the finger to the fingertip, a belt or tape-like elongated substantially rectangular shape that is aligned with the position of the finger. 3A and 3B are diagrams showing an example in which a high-density heat insulating material 10 having a substantially rectangular shape is used.
In this example, the boundaries corresponding to the positions of the joints are not formed between the high-density heat insulating materials 10, but the high-density heat insulating materials 10A to 10D are divided and pasted for each finger through the gaps D to E. Therefore, the rigidity or strength against bending can be moderately suppressed, and an object can be grasped with a certain degree of flexibility corresponding to the degree of bending of each finger.

In this case, the first finger insertion means 110 for inserting four fingers from the index finger to the little finger and the second finger insertion means 120 for inserting the thumb can be handled without distinction. may all have approximately the same length, or the first finger insertion means 110 for inserting four fingers from the index finger to the little finger and the second finger insertion means 120 for inserting the thumb are specified. , The portions 10B to 10D, excluding the portion (for example, 10A) that contacts the thumb, may be shortened to half the length of the figure.

FIG. 12 is one of the modifications of FIG. 11, showing an example of a case where the high-density insulation materials 10A and 10B are integrated into one part, and the high-density insulation materials 10C and 10D are integrated into one part. By dividing the high-density heat insulating material into left and right halves, the rigidity or strength against bending of this portion is lowered, and there is an effect that it becomes easier to bend when bending the finger joints and the approximate center of the palm.
FIG. 13 is a view showing a state in which the completed heat insulating holder 100 in the configuration example of FIGS. 11 and 12 is worn on the hand, and is a view showing the positional relationship of the high-density heat insulating material 10 in contact with the fingers. .
In FIG. 13, the boundary between the high-density insulating materials corresponding to the knuckles of the fingers is not visible, but since the corresponding boundary is provided between the fingers, the bending rigidity or stiffness of the high-density insulating material is increased. The strength can be moderately suppressed, and it is possible to grasp objects by responding to the degree of bending of each finger flexibly to some extent.

Although the examples of Examples 1 to 6 have been described above, the present invention is not limited to these, and various modifications can be applied.
In all examples, the gap between the high-density heat insulating materials can be adjusted as appropriate, and for example, about 1 to 5 mm can be adopted, but it is sufficient if the materials are divided and they are almost in close contact. I don't mind.

As for the width of the high-density woven material, as shown in FIG. 11, a width of about 10 to 20 mm, for example, can be used to match the width of the finger. In the case where two fingers are put together as shown in FIG. 12, for example, a width of about 20 to 40 mm can be used.

3. Measurement of Effect (Experimental Results) Next, the heat insulating effect of the heat insulating holder 100 of the present invention will be described with reference to FIG.
FIG. 7 is an example of experimental results showing the heat insulation effect of the technique of the present invention.
As cooking utensils, an oven tray (item number 1), an iron pan (item number 2), and a gratin dish (item number 3) were used. The oven tray and iron pan are made of iron, and the baking dish is made of ceramic, both of which have a high emissivity of 0.9 or more. This is because by using a material with high thermal radiation, the difference in heat insulating effect can be remarkably exhibited.

Moreover, the measurement results show the results when a high-density woven material woven with polyester fibers having a thickness of 2 mm is used as the high-density heat insulating material 10 .
In addition, similar results were obtained when natural fibers such as cotton and other chemical fibers such as acrylic and nylon were used.
As the thickness increases to 4 mm, 6 mm, 8 mm, and 10 mm, the heat insulating effect increases, but it has been found that a thickness of about 1 to 4 mm has a sufficient heat insulating effect. On the other hand, if it is too thick, the flexibility will decrease, so a thickness of about 2 to 4 mm is preferable from the balance between flexibility and heat insulating effect, but a thickness of about 1 to 7 mm is preferable depending on the setting of the heat resistance temperature. Thickness can be adjusted within a range.

In the experiment, the surface temperature of the handle portion of the cooking utensil, etc., the surface temperature of the high-density heat insulating material 10 or the finger after 5 seconds have passed after gripping, and the surface temperature of the finger after 10 seconds after gripping. It was measured.
Since there are not so many situations where it is necessary to hold the cooking utensil for more than 15 seconds, the temperature continues to rise until a certain time elapses, such as 15 seconds after holding it and 30 seconds after holding it. It has been found that the temperature rises until 1 to 2 minutes after heat dissipation from cooking utensils and the like progresses.

FIG. 7(1) shows data showing measurement results of a conventional heat insulating holder (hereinafter abbreviated as “conventional product”), and numerical values of temperature rise after 5 seconds and 10 seconds after gripping were also calculated.
FIG. 7(2) shows data showing the measurement results of the heat insulating holder 100 of the present invention (hereinafter abbreviated as "the device"), and the numerical values of the temperature rise after 5 seconds and 10 seconds after gripping were also calculated. .

According to the measurement results of the conventional product in FIG. 7 (1), for example, in the case of the oven tray of Item No. 1 (surface temperature 222 ° C.), after 10 seconds of gripping, the measured value of the surface temperature of the finger was 56. It can be seen that the temperature rises to °C. In this case, although there are some differences depending on how each subject feels, in general, the situation is such that "it is too hot to hold."
This is because the contact cloth and the low-density insulation material such as cotton inside are crushed by the pressure when gripping the cooking utensils and lose their thickness. This is due to the strong influence of heat conduction and heat radiation.

On the other hand, according to the measurement results of the device shown in FIG. 7(2), in the case of item number 1 oven tray (surface temperature 222° C.), even after 10 seconds of gripping, the measured value of the surface temperature of the finger was slightly lower. The temperature was as low as 32°C, and all the subjects said that they did not feel the heat very much.
Even if the contact cloth or the low-density heat insulating material such as cotton inside is crushed to some extent by the pressure when the cooking utensil is gripped, the high-density heat insulating material 10 will not be crushed, and the high-temperature cooking utensil and the like will not be crushed. This is because the temperature rise due to heat conduction and heat radiation is effectively suppressed by securing the distance.

Also, when comparing the numerical value of the temperature rise, which is the difference between the temperature after 5 seconds of gripping and the temperature after 10 seconds of gripping in Figs. On the other hand, the temperature rises only 3 to 5°C with the invented product, and especially in the case of cooking utensils that need to be used for a long time, it is possible to benefit from a large heat insulating effect.
For example, when removing freshly baked bread from the bread case of a home bakery, it is difficult for the bread to come off from the screw that kneads the bread at the bottom of the bread case. Since it is necessary to remove it, the effect of the present invention can be felt more.

FIG. 7(3) is a table comparing the performance of the conventional product and the inventive product based on the results of temperature measurement as absolute values.
According to FIG. 7 (3), the surface temperature of the oven tray No. 1 is 222°C, while the finger surface temperature after 5 seconds of gripping is 43°C with the conventional product. On the other hand, it can be seen that the devised product has a temperature of 29°C, which is lower than human skin. Moreover, from this, the performance difference between the conventional product and the proposed product is 14°C.
In addition, the surface temperature of the finger after 10 seconds of gripping is 56°C, which is so high that it is difficult to hold the conventional product. It can be seen that Also, from this, the performance difference between the conventional product and the proposed product is 16°C.

In addition, according to the measurement results of iron pans and gratin dishes in Item No. 2, the performance difference between the conventional product and the invented product was 10 to 14°C after 5 seconds of gripping, and 15 to 17°C after 10 seconds of gripping. It can be seen that the difference becomes larger as time passes.

In conventional products, the fiber volume ratio of the insulating material was somewhat suppressed in an attempt to create a heat insulating effect by including a lot of air in the insulating material, so the pressure applied to the insulating material when holding cookware etc. , the heat insulation material is crushed and the thickness is reduced, so the influence of heat conduction and heat radiation is rather increased.
On the other hand, in the invention of the present application, emphasis is placed on the state when gripped, and by effectively combining a high-density heat-insulating material with a heat-insulating holder made of a general heat-insulating material or low-density heat-insulating material, cooking can be achieved. By securing a certain thickness even when pressure is applied when holding an instrument, it is possible to suppress the effects of heat conduction and heat radiation.

In addition, while using a thick, high-density heat-insulating material, flexibility is ensured by dividing the high-density heat-insulating material into multiple parts at positions corresponding to the outer edges of the fingers and finger joints. was made.
In addition, by using a thick, high-density heat insulating material with a predetermined area, it is possible to prevent heat from being transmitted at points, and it has the effect of dispersing heat over the area, effectively suppressing heat conduction. We were able to.

4. Summary As described above, when cooking utensils made of a material with high emissivity are used, the conventional product causes a significant temperature rise due to heat conduction and heat radiation. It was found that the longer the cooking utensils were held, the more the heat insulating effect was exhibited, effectively suppressing the temperature rise due to heat conduction and heat radiation.

The heat insulating holder of the present invention can be used not only for holding cooking utensils and the like, but also for holding items that reach high temperatures in the manufacturing process of various items.

1 contact cloth
2 Low-density insulating material (cotton, etc.)
3 contact cloth 10 high-density heat insulating material having a predetermined thickness
100 heat insulation holder 110 first finger insertion means
120 second finger entry means

Claims (6)

A holder for heat insulation comprising a first finger insertion means for inserting four fingers from the index finger to the little finger and a second finger insertion means for inserting the thumb,
At least at a position corresponding to the outer edge of the finger or the finger joint on the palm side of the first finger insertion means,
Dividing into a plurality of parts and pasting or sewing them so that there is a high-density heat insulating material with a predetermined thickness;
An insulating retainer characterized by: The high-density heat insulating material has a rectangular shape, and at least on the palm side of the first finger insertion means, the high-density heat insulating material is present at a position corresponding to the outer edge of the finger or the joint of the finger. 2, divided into multiple parts and pasted or sewn,
The heat insulating retainer according to claim 1, characterized by: The high-density heat-insulating material is divided into a plurality of parts and pasted or attached so that the high-density heat-insulating material exists at a position where the joints of the fingers are the boundaries between the high-density heat-insulating materials. sewn on,
The heat insulating holder according to claim 1 or 2, characterized by: The high-density heat insulating material is divided into a plurality of parts so that the high-density heat insulating material exists at a position where the position of the second joint from the index finger to the little finger is the boundary line between each high-density heat insulating material. pasted or sewn on,
The heat insulating retainer according to claim 3, characterized by: The above-mentioned high-density insulation material is made by weaving spun yarn composed of natural materials or chemical fibers as a material, and is configured to prevent thickness change due to pressure etc. when holding cooking utensils etc. be a woven material,
The heat insulating holder according to any one of claims 1 to 4, characterized by: The width (W1) of the high-density heat insulating material as viewed in the longitudinal direction is 25 to 60 mm at the part where the tip of the index finger or middle finger contacts the second joint of the finger,
The heat insulating holder according to any one of claims 1 to 5, characterized by:

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