JP2006068152A - Manufacturing method of cold/heat retaining body and cold/heat retaining device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a manufacturing method of a highly practical cold/heat retaining body highly efficiently manufacturing the highly practical cold/heat retaining body capable of favorably retaining the cold/heat of a drink put in a container such as a PET bottle. <P>SOLUTION: The cold/heat retaining body is constituted of a trunk member 1 formed of a metal inner cylindrical body 1a, a metal outer cylindrical body 1b and a clearance part 6 between the inner cylindrical body 1a and the outer cylindrical body 1b formed of a vacuum heat insulating layer; and a bottom member 2 closing a lower part opening 1d of the trunk member 1. This manufacturing method of the cold/heat retaining body is so formed that the lower part opening 1d of the trunk member 1 is closed by the bottom member 2 in a position near an exhaust hole 12 for evacuation provided in the trunk member 1, a brazing material 11 is disposed in a connecting part between the bottom member 2 and the trunk member 1 or its adjacency, the trunk member 1 is exhausted by vacuum heating via the exhaust hole 12, and the brazing material 11 is melted to join the trunk member 1 with the bottom member 2 and seal the exhaust hole 12. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a method for manufacturing a cold insulator and a cold insulator.

  2. Description of the Related Art Conventionally, a insulated cold container with a bottomed cylindrical body having heat insulation properties has been proposed. This cold insulation container is composed of an inner cylinder and an outer cylinder, and joins the upper end of the inner cylinder, the upper end of the outer cylinder, the lower end of the inner cylinder and the lower end of the outer cylinder, respectively. A double structure having a gap portion is formed between the inner cylinder body and the outer cylinder body, and then exhausted from an exhaust hole for vacuum exhaust provided in the double structure body in a vacuum heating furnace. The body is evacuated and the exhaust hole is sealed to form a body member of a vacuum double structure, and a bottom member is provided below the body member.

  Therefore, since the body member is first formed and then the bottom member is provided, the manufacturing efficiency is reduced accordingly. In particular, when the body member and the bottom member are formed of different metal members, normal welding such as argon welding may not be able to join the two well, which is also troublesome.

  The present invention has been completed in view of the above-mentioned problems, has a good production efficiency, and therefore provides an innovative method for producing a cold insulator having excellent mass productivity. It provides a practical cold insulation device that employs a cold insulation body and is excellent in mass productivity.

  The gist of the present invention will be described with reference to the accompanying drawings.

  A body member 1 comprising a metal inner cylinder 1a and a metal outer cylinder 1b, and a gap 6 between the inner cylinder 1a and the outer cylinder 1b being a vacuum heat insulating layer, and a lower part of the body member 1 A method of manufacturing a cold insulation body comprising a bottom member 2 that closes an opening 1d, wherein a lower opening of the barrel member 1 is located near a vacuum exhaust vent 12 provided in the barrel member 1. The portion 1d is closed by the bottom member 2 and a brazing material 11 is disposed at or near the connecting portion between the bottom member 2 and the barrel member 1, and then the exhaust from the barrel member 1 by vacuum heating. A cold insulation temperature characterized by exhausting through the hole 12 and melting the brazing material 11 to join the body member 1 and the bottom member 2 and seal the exhaust hole 12 by the brazing material 11. This relates to a method for manufacturing a body.

  Further, in the method for manufacturing a cold insulator according to claim 1, the body member 1 includes an upper part of the inner cylindrical body 1a, an upper part of the outer cylindrical body 1b, a lower part of the inner cylindrical body 1a, and the outer cylindrical body 1b. The present invention relates to a method for manufacturing a cold insulator, characterized in that it is formed by joining the lower part of each.

  The method for manufacturing a cold insulator according to any one of claims 1 and 2, wherein the exhaust hole 12 for vacuum exhaust is provided in a lower portion of the body member 1. This relates to the manufacturing method.

  Further, in the method for manufacturing a cold insulation body according to any one of claims 1 to 3, a taper portion 13 is formed in the lower portion of the inner cylindrical body 1a so as to expand toward the lower end. A tapered portion 14 that matches the tapered portion 13 is formed on the surface, and the brazing material 11 melted by the tapered portion 13 is filled in the vicinity of the exhaust hole 12 of the bottom member 2. The present invention relates to a method for manufacturing a cold insulator, wherein a cutout portion 15 is formed.

  Further, in the method for manufacturing a cold insulation body according to any one of claims 1 to 3, the bottom member 2 is provided with an annular recess 16 into which a lower portion of the body member 1 is fitted. A cold insulation temperature is set such that the exhaust hole 12 of the body member 1 is positioned in the annular recess 16 and the annular recess 16 is a space filled with the molten brazing material 11. This relates to a method for manufacturing a body.

  Moreover, the heating part which heats this bottom member 2 to the outer surface of the said bottom member 2 of the cold insulation warm body manufactured by the manufacturing method of the cold insulation warm body of any one of Claims 1-5, the cooling part which cools Or the heating and cooling part 4 which heats or cools is provided, It concerns on the cold insulation temperature apparatus characterized by the above-mentioned.

  Further, in the cold insulation temperature apparatus according to claim 6, the heating and cooling unit 4 includes a heat source unit 5 that generates heat or absorbs heat when a direct current flows through the Peltier element 5a, and a power source unit that supplies direct current to the heat source unit 5. 7 and a switching unit 8 for switching the direction of the direct current are provided.

  Further, in the cold insulation temperature apparatus according to any one of claims 6 and 7, the bottom member 2 is constituted by a member having high thermal conductivity.

  In the present invention, since the joining of the body member and the bottom member and the air gap of the body member can be made into a vacuum heat insulating layer at the same time, the production efficiency is improved accordingly, and therefore, the cold insulator is excellent in mass productivity. It becomes a manufacturing method.

  In addition, according to the invention described in claim 6, of course, it is possible to heat or cool a beverage in a plastic bottle stored in a cold insulation body, for example, to exhibit an excellent cold insulation temperature effect. It becomes a cold insulation temperature apparatus excellent in mass productivity that can reheat or recool a beverage that has become unsuitable temperature to an optimum temperature again.

  An embodiment of the present invention which is considered to be suitable will be briefly described with reference to the drawings showing the operation of the present invention.

  A lower opening 1d of the body member 1 is closed with a bottom member 2 at a position in the vicinity of an exhaust hole 12 for evacuation provided in the body member 1, and a connecting portion of the bottom member 2 and the body member 1 or its The brazing material 11 is disposed in the vicinity, and in this state, for example, vacuum heating is performed in a vacuum heating furnace.

  By heating up to the melting temperature of the brazing material 11 in the vacuum heating furnace, the space 6 in the body member 1 is evacuated through the exhaust holes 12, and when the heating reaches the melting temperature of the brazing material 11, the brazing material 11 is heated. When the material 11 is melted and the brazing material 11 is solidified, the connecting portion of the body member 1 and the bottom member 2 is joined and the exhaust hole 12 is sealed, so that the cold insulation temperature of the vacuum double structure is achieved. The body is formed.

  That is, since the body member 1 (formation of the vacuum heat insulating layer) and the continuous joining of the body member 1 and the bottom member 2 are performed at the same time, the cold insulator is manufactured very efficiently. .

  In addition, when dissimilar metals are joined together by welding, for example, sufficient adhesion may not be obtained and they may not be satisfactorily separated and may not be joined well. Even if there is such a case, the body member 1 and the bottom member 2 are joined together by the brazing material 11 that can reliably join the two with sufficient adhesive force. In this case, the bonding between the two is firmly and reliably performed.

  Moreover, in invention of Claim 6, when the PET bottle etc. which accommodated the drink in the trunk | drum member 1 are accommodated, for example, the drink in the said PET bottle is by the said trunk | drum member 1 which used the space | gap part 6 as the vacuum heat insulation layer. The heat in the plastic bottle is passed through the bottom member 2 by the heating unit for heating the bottom member 2, the cooling unit for cooling, or the heating / cooling unit 4 for heating or cooling. It is heated or cooled, so that it becomes a cold insulation temperature apparatus having a heating function or a cooling function as well as an excellent cold insulation temperature function.

  A first embodiment of the present invention will be described with reference to the drawings.

  This embodiment comprises a body member 1 comprising a metal inner cylinder 1a and a metal outer cylinder 1b, and a gap 6 between the inner cylinder 1a and the outer cylinder 1b being a vacuum heat insulating layer. A method of manufacturing a cold insulation body A comprising a bottom member 2 that closes a lower opening 1d of a body member 1, in the vicinity of an exhaust hole 12 for vacuum exhaust provided in the body member 1. A lower opening 1d of the body member 1 is closed by the bottom member 2, and a brazing material 11 is disposed at a portion where the bottom member 2 and the body member 1 are connected or in the vicinity thereof, and the body is then heated by vacuum heating. Exhaust from the member 1 through the exhaust hole 12 and melt the brazing material 11 to join the body member 1 and the bottom member 2 and seal the exhaust hole 12 by the brazing material 11 It is.

  The manufacturing method of the cold insulator A according to the present embodiment will be specifically described.

  First, the upper end portion of the inner cylindrical body 1a, the upper end portion of the outer cylindrical body 1b, the lower end portion of the inner cylindrical body 1a, and the lower end portion of the outer cylindrical body 1b are joined by argon welding, respectively, and the body member 1 Form.

  A taper portion 13 is formed in the lower opening 1d of the body member 1 so that the lower end of the inner cylindrical body 1a is bent outward and expanded downward. The bottom member 2 is placed in the lower opening 1d of the body member 1 at the position near the exhaust hole 12 for evacuation provided in the lower inner surface, and the tapered portion 13 of the lower opening 1d and the peripheral surface of the bottom member 2 are placed. The formed taper portion 14 is fitted and fitted.

  The exhaust hole 12 is a hole having a width of about 0.5 mm that is drilled at a predetermined position near the lower inner surface of the body member 1, that is, near the lower end of the inner cylinder 1a. In the present embodiment, the exhaust hole 12 is formed after the body member 1 is formed. For example, before the body member 1 is formed, the exhaust hole 12 is formed in the inner cylinder 1a in advance. You can keep it.

  As shown in FIGS. 2 and 5, an annular notch 15 is formed in the lower portion of the bottom member 2 in the vicinity of the exhaust hole 12 and filled with the brazing material 11 melted by the tapered portion 13. The lower opening 1d of the body member 1 is turned upside down while being closed by the bottom member 2, and is disposed in the annular notch 15 (FIGS. 3 and 5). The brazing material 11 is disposed so as to avoid only the position of the exhaust hole 12 as shown in FIG. 3 in consideration of the exhaust in the gap 6 through the exhaust hole 12.

  In the present embodiment, the annular notch 15 is formed in the lower part of the peripheral surface of the bottom member 2. However, the present invention is not limited to this, and for example, the notch 15 is formed at any location on the peripheral surface of the bottom member 2. Whatever the shape, the brazing filler metal 11 melted in the vicinity of the exhaust hole 12 can seal the exhaust hole 12 and can satisfactorily join the body member 1 and the bottom member 2 together. It may be in shape.

  Subsequently, the cold insulation warming body A facing upside down is placed in a vacuum heating furnace, and the space 6 in the body member 1 is exhausted through the exhaust hole 12 by heating up to the melting temperature of the brazing filler metal 11. Then, the temperature inside the vacuum heating furnace is further raised, and when the heating reaches the melting temperature of the brazing material 11, the brazing material is melted, and as shown in FIG. The molten brazing filler metal 11 is filled into the annular notch 15 by flowing into the portion 15, and the molten brazing filler metal 11 flows into the exhaust hole 12.

  By solidifying the brazing material 11, the body member 1 and the bottom member 2 are joined and the exhaust hole 12 is sealed as shown in FIGS. The body A will be formed.

  The cold insulation warming body A manufactured as described above is provided with the cold insulation warming body A for heating or cooling the bottom member 2 on the outer surface of the bottom member 2 to be a cold insulation thermal apparatus.

  This cold insulation temperature device is for storing a liquid storage container 10 containing a beverage such as a plastic bottle, and for keeping the beverage in the liquid storage container 10 at a cold temperature. It is.

  In the present embodiment, a 500 ml type PET bottle generally sold as the liquid storage container 10 is employed.

  The body member 1 is a bottomless cylindrical body having a double structure comprising an inner cylindrical body 1a made of stainless steel and an outer cylindrical body 1b made of stainless steel.

  The body member 1 is made of stainless steel, but may be made of any member as long as it has a low thermal conductivity such as titanium.

  On the outer periphery of the upper portion of the barrel member 1, there is provided a convex portion 21 that is formed by bending the upper portion of the outer cylindrical body 1 b that constitutes the barrel member 1 and that engages with a concave strip 20 of a ceiling member 9 described later. It has been.

  The body member 1 has an inner diameter of about 70 mm so that the plastic bottle can be satisfactorily accommodated in the body member 1 and is not too large.

  Moreover, when the said plastic bottle is accommodated in this trunk | drum member 1, the upper part protrudes from the middle part of the shoulder part (cone-shaped part of the upper part of a plastic bottle) of the trunk | drum member 1 height. It is formed at such a height.

  Further, a tapered portion 13 is formed in the lower opening 1d of the body member 1 so that the lower end of the inner cylindrical body 1a is bent outward and widens downward.

  A bottom member 2 that closes the lower opening 1 d is provided in the lower opening 1 d of the body member 1.

  The bottom member 2 is formed of an aluminum plate-like member, and a tapered portion 14 that matches the tapered portion 13 formed in the lower opening 1d of the body member 1 is formed on the peripheral surface.

  The bottom member 2 is made of aluminum, but may be formed of any member as long as it has a high thermal conductivity such as copper.

A heating / cooling unit 4 is provided on the outer surface of the bottom member 2.
Specifically, the heating / cooling unit 4 includes a heat source unit 5 that generates heat or absorbs heat by the Peltier element 5a, a power source unit 7 that supplies a direct current to the heat source unit 5, and a switching unit 8 that switches the direction of the direct current. It consists of

  The Peltier element 5a provided in the heating / cooling section 4 is said to transfer heat from one thermoelectric material to the other thermoelectric material when an electric current is passed through the junction of two different types of thermoelectric materials (not shown). It is an element using the Peltier effect, and when the current direction is reversed, the heat transfer direction is also reversed.

  Further, the heating / cooling unit 4 is provided with a power supply unit 7 for supplying a current in a fixed direction to the Peltier element 5a. The power supply unit 7 not only supplies a current in a fixed direction to the Peltier element 5a. In addition, a temperature control unit (not shown) for appropriately adjusting the amount of current flowing from the power source unit 7 to the Peltier element 5a and the amount of voltage to be applied is provided so that the heat radiation and endothermic temperature of the Peltier element 5a can be appropriately maintained. Yes.

  In addition, the heating / cooling unit 4 is provided with a switching unit 8 that arbitrarily switches the current direction of the power supply unit 7 and switches between heat generation and heat absorption of the Peltier element 5a.

  In this embodiment, the heating / cooling section 4 for heating or cooling the bottom member 2 is provided on the outer surface of the bottom member 2. For example, the bottom member 2 is provided on the outer surface of the bottom member 2. A heating unit for heating 2 or a cooling unit for cooling the bottom member 2 may be provided.

  Further, in this embodiment, a top member 9 made of a flexible member is provided in the upper opening 1 c of the body member 1, and this top member 9 is an upper opening of the body member 1. It is formed in the shape which has an opening part in the center so that the shoulder part of a plastic bottle can protrude from 1c.

  Specifically, the ceiling member 9 has an opening at the center position, and a peripheral wall portion is suspended from the peripheral edge in a substantially orthogonal direction, and the inner surface of the peripheral wall portion is associated with the ridge 21. Concave recesses 20 are formed. The top member 9 is fitted on the upper end of the body member 1 and the recesses 20 are engaged with the protrusions 21 to be attached to the cold insulation body A.

  In addition, since the top member 9 is formed of a flexible member, the top member 9 can be brought into contact with the shape of the plastic bottle, so that a good cold insulation temperature state can be obtained and In order to facilitate the insertion or removal, and to facilitate the removal of the PET bottle, four notches are provided at the opening edge of the opening in the radial direction, in the present embodiment, at substantially equal intervals.

  If the top member 9 is made of a flexible member and the slit is formed long, the opening may be omitted. In this case, when the liquid storage container 10 having a low height, such as can juice, is stored in the cold insulation body A, heat radiation can be effectively prevented by the absence of the opening.

  Since the present embodiment is as described above, the body member 1 and the bottom member 2 are connected together at the same time as the body member 1 is formed, so that the cold insulator A is manufactured very efficiently. This is an innovative and practical method for producing the cold insulation body A.

  Further, since the body member 1 and the bottom member 2 are formed of different metal members, for example, when they are joined by welding or the like, a sufficient joining force cannot be obtained and the members are easily separated. However, in this embodiment, the body member 1 and the bottom member 2 are joined to each other by a brazing material 11 that can reliably join the two metals with sufficient adhesive force. Therefore, both of the different kinds of metals can be firmly and surely continuously joined together, and in this respect also, the method for manufacturing the cold insulator A having excellent practicality.

  In addition, when the brazing material 11 is disposed at a location where the body member 1 and the bottom member 2 are connected or in the vicinity thereof, the brazing material 11 is disposed so as to cover the opening of the groove-shaped notch 15. Inevitably, as shown in FIG. 5, the brazing material 11 is naturally positioned by the groove-shaped notch 15, and the brazing material 11 is easily and satisfactorily prevented from being misaligned. This is a manufacturing method of the cold insulator A that is excellent in workability also in that the notch 15 can be filled.

  By the way, in recent years, beverages contained in the liquid storage container 10 such as the PET bottles have been sold in various places such as vending machines and convenience stores, and can be easily purchased and drunk at any time.

  However, if the beverages contained in these containers cannot be consumed at one time, the remainder becomes slimy, and the drinking comfort and taste are significantly impaired compared with the time of purchase.

  As described above, these beverages placed in a container having poor heat insulation and warmth can be drunk at an optimal temperature only at the beginning, and the remainder becomes slimy and the taste is deteriorated.

  Therefore, in order to drink these beverages deliciously, either drink them up before they become slimy, or keep them cool at the optimal temperature when purchased by some means, or use some means to cool them Must be recooled or reheated.

  For example, if a beverage contained in a container such as a plastic bottle is put in a cool and warm container such as a cooler box and carried, the beverage can be maintained at an optimum temperature, and thus the beverage can be drunk at any time.

  However, the cooler box has only a cold-retaining function and cannot cool the beverage when it becomes slimy. Moreover, re-cooling is possible by using a lot of coolant such as ice, but it is not permanent.

  In this regard, the cold insulation temperature apparatus comprising the cold insulation temperature body A manufactured by the method for manufacturing the cold insulation temperature body A according to the present embodiment and the heating / cooling unit 4 provided on the outer surface of the bottom member 2 of the cold insulation temperature body A is as follows. Since it is configured as described above, the heat insulation of the beverage in the plastic bottle is prevented by the cold insulation body A by a simple operation of storing the beverage together with the plastic bottle in the cold insulation body A. Of course, for example, the heating / cooling unit 4 provided on the outer surface of the bottom member 2 of the cold insulation warmer A can reheat or re-heat a beverage that has become unsuitable temperature by the heating / cooling unit 4. The cool and warm device excellent in practicality, such as being able to return to the optimum temperature again by cooling, is mass-produced by this embodiment, and also by the manufacturing method of the cool and warm body A according to this embodiment. By adopting excellent cold insulation body A Also a Xiu the innovative cold temperature device sex.

  In addition, the body member 1 has an excellent cold insulation temperature property due to the vacuum heat insulating layer of the gap 6, and of course, the body member 1 is made of a stainless steel member having a low thermal conductivity. Since the bottom member 2 is formed of an aluminum member having a high thermal conductivity, heat generated or absorbed from the heat source part 5 is efficiently transmitted to the beverage in the plastic bottle via the bottom member 2 and efficiently heated. Or it becomes a cold insulation temperature apparatus excellent in thermal efficiency, such as exhibiting a cooling function.

  Further, the top member 9 provided in the upper opening 1c of the body member 1 prevents heat dissipation from the upper opening 1c side, and in this respect as well, the cold-reserving / warming device is further excellent in the cold-reserving property.

  Moreover, not only can the top member 9 prevent heat dissipation upward, but since the opening edge of the top member 9 has flexibility, a plastic bottle can be placed in the container 3 with the top member 9 attached. Since the shoulder portion of the plastic bottle protrudes from the opening edge of the bottle, it is possible to open the cap and pour it into the cup or drink it without taking out the plastic bottle. It can be a cool and warm device with excellent practicality.

  A second embodiment of the present invention will be described with reference to the drawings.

  The present embodiment is another example of the method for manufacturing the cold insulator A according to the first embodiment. Specifically, as illustrated in FIGS. 7 and 8, the bottom member 2 includes the body member 1. An annular recess 16 into which the lower portion is inserted is provided. The annular recess 16 is set to a depth at which the exhaust hole 12 of the body member 1 is located in the annular recess 16, and the annular recess 16 is melted. The space is filled with the brazing material 11.

  Specifically, the bottom member 2 has a shape in which an annular recess 16 having an annular shape in plan view is formed on the upper surface of a disk-shaped member having a diameter larger than the outer diameter of the lower opening of the body member 1.

  Further, the outer peripheral edge of the opening of the annular recess 16 of the bottom member 2 is notched as shown in FIG.

  That is, when the brazing material 11 is disposed, the brazing material 11 is naturally positioned by the notch shape, and further, the notch having a shape that expands toward the upper part so that the molten brazing material 11 flows into the annular recess 16 surely. The shape is such that the portion 17 is recessed.

  In this embodiment, the lower part of the body member 1 is fitted into the annular recess 16, and the brazing material 11 is arranged so as to cover the opening of the flow guide groove 17 provided at the opening edge of the annular recess 16. 7 is created.

  Subsequently, in this state, the body member 1 and the bottom member 2 are placed in a vacuum heating furnace, and the gap 6 of the body member 1 is interposed through the exhaust hole 12 by heating up to the melting temperature of the brazing material 11. Exhaust the air.

  When the exhaust of the gap 6 of the body member 1 is completed, when the temperature in the vacuum heating furnace is raised to the melting temperature of the brazing material 11 and the brazing material 11 is melted, as shown in FIG. The material 11 flows down the flow guide groove 17 and is filled into the annular recess 16, and the molten brazing material 11 also flows into the exhaust hole 12 located in the annular recess 16, The exhaust hole 12 is sealed.

  Since the present embodiment is as described above, as in the first embodiment, the connecting portions of the body member 1 and the bottom member 2 are joined and the exhaust hole 12 is sealed, so that the body member has a vacuum double structure. 1 is formed, it is an epoch-making manufacturing method of the cold insulator A that can manufacture the cold insulator A very efficiently.

  Further, when the brazing material 11 is disposed at a location where the body member 1 and the bottom member 2 are connected or in the vicinity thereof, the brazing material 11 is positioned at the opening of the notch 17 as shown in FIG. Therefore, the displacement of the brazing material 11 can be easily and reliably prevented, and when the brazing material 11 disposed in the opening of the notch 17 is melted, the brazing material 11 will be melted. The material 11 can flow down the notch 17 and reliably fill the annular recess 16 with the brazing material 11, and in this respect as well, this is a method for manufacturing the cold insulator A having excellent workability.

  In addition, after closing the lower opening 1d of the body member 1 with the bottom member 2, it is not necessary to place them in an upside down orientation in a vacuum heating furnace, so that the workability is excellent. Moreover, even if the amount of the brazing material 11 disposed in the annular recess 16 is excessively large and the molten brazing material 11 overflows from the annular recess 16, the overflow brazing material 11 causes the barrel member to overflow. 1 does not get dirty. That is, if the direction is upside down, the overflow brazing material 11 hangs down the barrel member 1 in a hanging direction, and the barrel member 1 is soiled. In the present embodiment, however, The problem will be solved.

  The rest is the same as in Example 1.

It is explanatory drawing of the use condition of the cold insulator warmer which concerns on Example 1. FIG. FIG. 3 is an explanatory perspective view illustrating a method for manufacturing a cold insulator according to Example 1. FIG. 3 is an explanatory perspective view illustrating a method for manufacturing a cold insulator according to Example 1. FIG. 3 is an explanatory perspective view illustrating a method for manufacturing a cold insulator according to Example 1. It is explanatory sectional drawing which shows the manufacturing method of the cold insulator warming body which concerns on Example 1. FIG. It is explanatory sectional drawing which shows the manufacturing method of the cold insulator warming body which concerns on Example 1. FIG. It is explanatory sectional drawing which shows the manufacturing method of the cold insulator warming body which concerns on Example 2. FIG. It is explanatory sectional drawing which shows the manufacturing method of the cold insulator warming body which concerns on Example 2. FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Body member 1a Inner cylinder 1b Outer cylinder 1d Lower opening 2 Bottom member 4 Heating part, cooling part, heating and cooling part 5 Heat source part 5a Peltier element 6 Air gap part 7 Power supply part 8 Switching part
11 Brazing material
12 Exhaust hole
13 Taper
14 Taper
15 Groove
16 annular groove

Claims (8)

  A body member comprising a metal inner cylinder body and a metal outer cylinder body, in which a gap between the inner cylinder body and the outer cylinder body is a vacuum heat insulating layer, and a bottom member for closing a lower opening of the body member And a bottom opening of the body member is closed with the bottom member at a position in the vicinity of an exhaust hole for evacuation provided in the body member. A brazing material is disposed at or near the connecting portion between the body member and the body member, and then, the heat is exhausted from the body member through the exhaust hole by vacuum heating and the brazing material is melted by the brazing material. A method for manufacturing a cold insulator, comprising joining the body member and the bottom member and sealing the exhaust hole.   2. The method for manufacturing a cold insulator according to claim 1, wherein the body member joins an upper portion of the inner cylindrical body, an upper portion of the outer cylindrical body, a lower portion of the inner cylindrical body, and a lower portion of the outer cylindrical body. A method for manufacturing a cold insulation body, characterized by comprising:   The method for manufacturing a cold insulator according to any one of claims 1 and 2, wherein the exhaust hole for vacuum exhaust is provided at a lower portion of the body member.   The method for manufacturing a cold insulation body according to any one of claims 1 to 3, wherein a tapered portion that expands toward a lower end is formed at a lower portion of the inner cylindrical body, and on the other hand, a tapered portion is formed on a peripheral surface of the bottom member. A taper portion that coincides with the taper portion is formed, and a notch portion that is filled with the brazing material melted by the taper portion is formed at a position near the exhaust hole of the bottom member. A method for producing a cold insulator.   The method for manufacturing a cold insulator according to any one of claims 1 to 3, wherein the bottom member is provided with an annular recess into which a lower portion of the body member is fitted, and the annular recess is formed in the annular recess. A method for manufacturing a cold insulator, wherein the body member is set to a depth where an exhaust hole is located, and the annular recess is a space filled with the molten brazing material.   A heating unit that heats the bottom member on the outer surface of the bottom member of the cold insulation warm body manufactured by the method for manufacturing a cold insulation body according to any one of claims 1 to 5, a cooling unit that cools, or heating or cooling A cooling and heating apparatus characterized in that a heating / cooling section is provided.   7. The cold insulation temperature apparatus according to claim 6, wherein the heating and cooling unit includes a heat source unit that generates heat or absorbs heat when a direct current is applied to the Peltier element, a power supply unit that supplies direct current to the heat source unit, A cool and warm device characterized in that a switching unit for switching directions is provided. 8. The cool and warm device according to claim 6, wherein the bottom member is formed of a member having high thermal conductivity.

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