JP2010166951A - Bag - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a bag which dissolves the problem that many waste cut pieces or others are generated in manufacturing the bag, whose manufacturing process is simple, which has excellent design, and which can be compactly stored if needed. <P>SOLUTION: The bag uses the bag body formed such that the upper side and the lower side in a lateral direction of the base sheet with an aspect ratio of substantially 1:3 are divided by the ratio of substantially 1:1:1, a border part of the upper side 10a and the upper side 10b of the respective divided upper sides 10a, 10b, 10c are folded inward in a triangle shape, the border part of the lower side 11b and the lower side 11c of the respective divided lower sides 11a, 11b, 11c are folded inward in a triangle shape, the upper side 10a and the upper side 10b are sewn and the lower side 11b and the lower side 11c are sewn. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  TECHNICAL FIELD The present invention relates to a bag that can effectively use a fabric and can eliminate as much as possible when making a bag.

  Conventionally, various types of structures have been used for the bag, and the bag is generally composed of a bottom portion, a side surface portion, and a handle portion of the bag.

  Therefore, each component is cut from the fabric and is used to make a bag to form a bag.

  In this case, for example, there is a bag shown in Japanese Patent Application Laid-Open No. 2007-89999 (Patent Document 1), which shows a structure that can be stored in a particularly compact manner.

  Furthermore, there is a configuration shown in Utility Model Registration No. 3127875 (Patent Document 2) as a bag that can store the bag body in a compact manner.

JP 2007-89999 Utility model registration No.3127875

As described above, a bag is generally composed of a bottom portion, a side surface portion, and a handle portion, and is formed by cutting each member separately and further sewing them to form a bag shape. At the time of each cutting, a cut or the like occurs for each.
Therefore, many troubles and unnecessary cuts are inevitably caused.

  On the other hand, there is a simple bag body using a soft resin film or the like, and there is a bag body that folds one film base and forms a bag by stacking two film bases. These are, in the first place, easy to make a bag of thermoplastic film by heat fusing seal, etc., are very simple and easy to tear bags, are only used for specific simple and temporary packaging in shopping, etc. The bag is originally used as a bag that is different from a bag that can be used for a long time, is not easily broken, and can be safely packaged.

Therefore, in the case of a firm bag that can withstand long-term use, the bag manufacturing process is inevitably complicated, and in particular, the drawbacks of cutting off and the like cannot be solved.
In particular, in the case of a bag that looks good as a bag and has a high degree of design, it is inevitable that a lot of labor, end cuts, and the like occur during bag making.
As described above, the bag is excellent in design, and it is required to provide an innovative bag that is easy to make, avoids unnecessary tearing, and has excellent cost performance. Therefore, it is an object to provide such a bag.

  Therefore, the invention according to claim 1 is a bag in which a bag body is formed with one base sheet, and the upper side and the lower side of the base sheet in the lateral direction with an aspect ratio of about 1: 3 are substantially 1: 1. Dividing by the ratio, among the divided upper sides 10a, 10b, and 10c, the boundary portion between the upper side 10a and the upper side 10b is folded inward in a triangular shape, and the lower side 11b of the divided lower sides 11a, 11b, and 11c The bag comprises a bag that forms a bag body by folding the boundary portion between the upper side 10a and the lower side 11c in a triangular shape, sewing the upper side 10a and the upper side 10b, and sewing the lower side 11b and the lower side 11c. The above problem can be solved.

Further, the invention according to claim 2 forms the bag body by connecting the upper side 10a and the upper side 10b so as to be openable and closable with a fastener and / or connecting the lower side 11b and the lower side 11c so as to be openable and closable with a fastener. The invention may be a bag.
In these cases, the boundary portion between the upper side 10a and the upper side 10b may be folded outward in a triangular shape as in the invention according to claim 3, or the boundary between the lower side 11b and the lower side 11c as in the invention according to claim 4. The part may be either folded in a triangular shape outward.

Further, even if a pocket is provided on the outer surface of the triangular folding portion as in the invention according to claim 5, the triangular folding portion includes a hook and is detachable as in the invention according to claim 6. It may be locked by a stopper.
Furthermore, like the invention which concerns on Claim 7, it has a holding belt in the opening part of a bag main body, and both ends of this holding belt are connected with the bag opening part edge part of the both sides of an opening part respectively, , At least one end may be locked by a locking tool including a hook or a magnet that is detachable from the continuous portion.

Further, with respect to closing of the opening, as in the invention according to claim 8, each belt has an approximately strip-shaped folded piece at each end side of the opening, and each folded piece has an end in the opening direction. An opening portion of the bag body that can be freely opened and closed by a fastener including a fastener at the side portion, and a substantially strip-shaped folded piece portion at one end portion of the opening portion of the bag body as in the invention according to claim 9. The opening part of the bag body may be freely opened and closed by a locking tool including a fastener between the other end side part of the folded piece part and the other end side part of the opening part of the bag body.
In addition, regarding the bag configured as described above, the bag body may be reversible as in the invention according to claim 10.

  Further, as in the invention according to claim 11, the handle portion is formed by connecting the corner portion constituted by the side edge 12a and the lower side 11a and the corner portion constituted by the side edge 12d and the upper side 10c. However, as in the invention according to claim 12, both ends of the handle are connected to the corner constituted by the side 12a and the lower side 11a and the corner constituted by the side 12d and the upper side 10c. As shown in the thirteenth aspect of the invention, both ends of the handle with the respective corners may be detachably connected to the handle.

Next, the aspect ratio of the base sheet may be any ratio of 1: 2.5 to 1: 3 as in the invention according to claim 14.
Alternatively, as in the invention according to claim 15, instead of dividing the upper side and the lower side in the horizontal direction of the base sheet at a ratio of about 1: 1, the side divided into one or the side divided into two The ratio may be 1 or more and 1.5 or less, and may be divided by different ratios, or the ratio of the upper side and the lower side in the horizontal direction of the base sheet may be different as in the invention according to claim 16. It may be.

Since it comprised as mentioned above, the bag main body can be first formed by the invention which concerns on Claim 1 without producing the one base sheet efficiently and unnecessary cutting off.
Further, the bag can be formed without using a complicated process.

  Further, according to the invention of claim 2, a bag can be easily formed with a fastener. In particular, the user closes the fastener when necessary to form the bag, and when the user does not need it, the user opens the bag with the fastener to open the base. The sheet can be made into a ground shape, and can be folded very neatly and neatly, making it convenient for carrying and storage.

  Moreover, according to the invention which concerns on Claim 3 and Claim 4, the folding part of a triangular-shaped part can also be folded outside, and the convenience at the time of a user's shaping | molding can be obtained not only in a design surface It is.

Furthermore, according to the fifth aspect of the present invention, it is possible to hide the triangular folded portion by the pocket and to secure the design by exposing the pocket.
Further, according to the invention of claim 6, the triangular folding portion can be placed in a fixed position, and the bag is widened and deformed into a sheet or the like by forming the bag and removing the locking tool. It is something that can be done.

In addition, according to the invention which concerns on Claim 7, the opening part of a bag can be firmly hold | suppressed by a pressing belt, and not only an inadvertent further opening and a shape change but an inadvertent spilling of the contents etc. Can be prevented.
Next, according to the eighth and ninth aspects of the invention, the folded piece can function as a lid for the opening of the bag, and the opening can be freely opened and closed by a fastener.

It should be noted that the invention according to claim 10 can also be used for reversible.
According to the eleventh aspect of the present invention, the handle portion can be formed in a substantially furoshiki shape and can be easily tied and unfastened, so that the usability is enhanced.
Furthermore, it is possible to provide an extremely innovative bag in terms of design.
In addition, the invention according to claim 12 makes it possible to easily attach and detach a general handle, and it is possible to provide a highly convenient bag and to change the handle or carry the bag according to claim 13. The handle can be easily removed when the sheet is opened.

Further, by changing the ratio of the base sheet according to the invention according to claim 14, it is possible to provide a bag having a different shape such as a laterally spread bag or a deep bag.
Further, according to the inventions according to claims 15 and 16, it is possible to provide a specially shaped bag or a distorted and uniquely shaped bag, and to provide a bag that is versatile in design.

The figure which shows an example of the bag which concerns on this invention The figure which shows an example of the base sheet which shape | molds the bag which concerns on this invention The figure which shows one procedure of the process of shape | molding the bag which concerns on this invention The figure which shows one procedure of the process of shape | molding the bag which concerns on this invention The figure which shows one procedure of the process of shape | molding the bag which concerns on this invention The figure which shows another example of the bag which concerns on this invention The figure which shows another example of the bag which concerns on this invention The figure which shows an example of the arrangement | positioning state of the triangular folding part of the bag which concerns on this invention The figure which shows another example of the arrangement | positioning state of the triangular folding part of the bag which concerns on this invention The figure which shows another example of the bag which concerns on this invention The figure which shows another example of the bag which concerns on this invention The figure which shows another example of the bag which concerns on this invention

FIG. 1 is a view showing an example of a bag according to the present invention, which has a bag body 1 and a detachable handle portion 5.
The bag is a bag made by folding a base sheet as a base and sewing a necessary portion.
Accordingly, the bag body 1 has an opening at the center portion, and the handle 5 is detachably connected to both end portions of the bag body 1 by means of a continuous ring 51 connected to the bag body to form a bag shape. It is.

  Further, the bag opening has a holding belt 2 for preventing further opening of the bag opening. For example, one end of one belt 2a is connected to one side of the bag body by sewing or the like, The belt 2b is continuously connected to the other side surface of the bag body by sewing or the like, and a hook, a magnet or other general detachable locking tool 3 is provided at the other end of each holding belt. The pressing belts 2a and 2b are detachably locked by the tool 3.

That is, it is detachably locked by the locking tool 3 in the middle of the pressing belt.
Accordingly, both ends of the presser belt 2 are connected to the side edges of the bag opening in both sides of the opening, and the belt is locked by a locking tool including a hook or a magnet that is detachable. In addition to being easy to remove, the contents can be easily enclosed and removed from the bag.
In addition to this, for example, one holding belt has its both ends connected to the respective opening end sides of the bag, and either or both ends of the belt include various kinds of mag necks and hooks from the end side of the bag. It may be detachably locked by a locking tool.

FIG. 2 shows an example of a base sheet used when the bag of FIG. 1 is made.
The base sheet shown in the figure is a sheet having a length to width ratio of 1 to 3 with a length ratio of 3 in the horizontal direction when the length ratio in the vertical direction is 1.
The sheet base is formed by arbitrarily folding three portions, each of which is a substantially square sheet base, each having an upper side made of 10a, 10b and 10c, a lower side made of 11a, 11b and 11c, 12a and 12d.

The boundary lines for each block portion recognized by dividing each into three are 12b and 12c.
This bag is formed by folding or sewing the seat body to form the bag body shown in FIG. 1, and by further providing handles at corner portions located at both ends of the bag body constituting the back body. The handle part shown in FIG. 1 can be attached.

For example, three sheets can be taken out by dividing a square sheet into three parts. For example, by dividing an arbitrary square sheet into three parts, a sheet with a ratio of 1: 3 can be obtained. A sheet can be taken out.
A sheet having an aspect ratio of 1: 3 can form the most beautiful bag. However, the ratio may be changed slightly.

For example, an arbitrary aspect ratio may be determined between 1: 3 and 1: 4 or 1: 2.5.
A bag having changes such as a horizontally long shape or a vertically long shape can be formed.
Furthermore, although the upper sides 10a, 10b, and 10c and the lower sides 11a, 11b, and 11c are clearly shown on the premise of the same length, the lengths may be slightly changed.
A slightly distorted bag is formed by a slight change, and a special aesthetic appearance can be generated.

Accordingly, the best ratio of the block portions divided into the border lines 12b and 12c indicating the respective folding positions on the upper side and the lower side is one to one, but the present invention is not limited to this. These ratios may be slightly changed.
In other words, the upper side and the lower side in the horizontal direction of the base sheet may be divided into different ratios by changing the ratio of any one side or two sides to 1 or more and 1.5 or less. The ratio of the division between the upper side and the lower side in the horizontal direction may be different.

FIG. 3 is a diagram showing a state in which the boundary portion between the upper side 10a and the upper side 10b shown in FIG. 2 is folded inward in a triangular shape and the boundary portion between the lower side 11b and the lower side 11c is folded inward in a triangular shape. is there.
By comprising in this way, the base sheet can comprise a central block part and a part of a bag bottom part and both side surfaces.
Moreover, a handle-related part can be comprised with a part of both sides | surfaces of a bag from both the block parts of a both-ends direction.

  FIG. 4 is a diagram showing a state in which the upper side 10a and the upper side 10b are further sewn and the lower side 11b and the lower side 11c are sewn, and FIG. 5 further includes a side side 12a and a lower side 11a. It is a figure which shows the state protruded as a connection part with the corner | angular part comprised by a corner | angular part, the side edge 12d, and the upper side 10c, or the connection part of a handle part, and the state of the boundary part of the upper side 10a and the upper side 10b It is a figure which shows an example which comprised the folding part which consists of a triangular part, and the folding part which consists of the triangular part of the boundary part of the lower side 11b and the lower side 11c as a bottom part, and shape | molded the bag.

By configuring in this way, the bag shown in FIG. 1 can be formed precisely.
In this case, a bag can be formed by folding a single sheet to form a bag, and not only can the bag be produced very economically without cutting off, but also easily with fewer steps. It can be manufactured.
In addition, this bag is extremely excellent in design in terms of its appearance, and it is possible to provide a good-looking bag.

Further, the bag shown in FIG. 1 is not clearly shown at the bottom, but has a bottom plate, and the strength of the bottom of the bag can be increased by using this bottom plate as necessary.
As for the bottom plate, for example, a foldable bottom plate whose bottom width can be changed as necessary, or a bottom plate divided into a plurality of portions may be used.
In addition, a handle 5 is disposed via a continuous ring 51 at each corner constituted by the side 12a and the lower side 11a and each corner constituted by the side 12d and the upper side 10c. is there.

Although not explicitly shown in the figure, a pocket may be provided inside the bag.
Next, regarding the base sheet, any material may be used as long as it is used for a bag, such as a fabric, a thick resin sheet, or leather, and further, whether it has a lining or not, as necessary. But you can.
In addition, the base sheet is subjected to various edging and seam stitching at the end portions and the like at the time of forming the bag. Generally, the edging is performed at the time when the bag is formed from the sheet material. It is what.

FIG. 6 shows a handle that connects a corner portion constituted by the side 12a and the lower side 11a and a corner portion constituted by the side 12d and the upper side 10c without using the handle shown in FIG. It is a figure which shows an example which comprised the part.
By configuring in this way, it is possible to provide a bag that is very easy to use and has a high production efficiency and has a very good design, as if it is like a furoshiki.

Next, FIG. 7 is a diagram showing an example in which a fastener 4 that can be opened and closed is used instead of sewing the upper side 10a and the upper side 10b and sewing the lower side 11b and the lower side 11c.
Even if it comprises in this way, not only can a user form a bag himself, but a wider opening part can be created when goods are put in or taken out from a bag.
In addition, by making it possible to open and close the part, the bag can be pushed open to form a sheet, which not only facilitates storage but also makes it extremely convenient to carry.

In addition, although the fastener 4 is shown in this figure, it is not limited to this, You may use the latching tool etc. which can be opened and closed and are removable.
Furthermore, in this configuration, as an example, the triangular folded portion at the boundary between the upper side 10a and the upper side 10b and the triangular folded portion at the boundary between the lower side 11b and the lower side 11c are folded outside the bag. is there.
Even with this configuration, the bag can be molded.

Of course, this triangular folded portion may be provided inside the bag and is sewn or locked on both sides of the bag in addition to the one sewn or locked on the bottom of the bag. Also good.
Of course, a pocket that covers the triangular folded portion may be provided.

FIG. 8 further includes a hook 6 in a triangular folded portion at the boundary between the upper side 10a and the upper side 10b and a triangular shape at the boundary between the lower side 11b and the lower side 11c, and can be detachably locked. An example is shown.
In this case, the hook 6 and the position and number of the hook 6 are merely examples, and other detachable locking tools may be used.

This figure shows an example having two hooks 6 each on the bottom surface portion and one hook 6 on the triangular folding portion. With this configuration, the bottom hook 6 and the folding portion at an arbitrary position are shown. By locking the hook 6, the bottoms having different widths can be exposed, and a plurality of types of bags 1 can be arbitrarily formed.
Therefore, the shape of the various bags 1 can be arbitrarily formed by itself according to the preference and the like, not limited to the products to be put.

FIG. 9 is a diagram showing an example in which the number of hooks 6 at the folded portion of the triangular shape and the number of hooks 6 at the bottom of the bag 1 are increased and locked at a plurality of locations. The folded portion can be locked with a plurality of locking tools to form a strong bag.
FIG. 10 shows an example in which a substantially band-like folded piece 7 is further provided at the opening of the bag body, and a fastener 8 is provided at one end side of the folded piece 7 to open the bag. It is a figure which shows an example which formed the cover part which covers.

In other words, a substantially strip-like folded piece 7 is provided at the end of each bag body 1 at the opening of the bag body, and can be opened and closed by a fastener 8 at the end of the folded piece 7 in the opening direction. Each folded piece 7 is provided continuously.
By configuring in this way, the opening of the bag can be closed.
In this figure, the pressing belt 2 portion at the center of the bag does not have the folded piece portion, has an opening, and has a substantially strip-like folded piece portion 7 in the direction of the handle 5 of the bag. It is possible to easily open and close the handle direction of each bag by opening and closing the fastener 8.

The fastener 8 is preferably a reversible fastener, that is, a fastener that can be used on both sides.
Further, as shown in the figure, a holding belt 2 is provided as required, thereby preventing the back from being deformed.
In this case, each of the end portions of the opening of the bag body 1 has a folded piece 7, and the folded portions 7 are connected to each other by a fastener 8. Even if it has the folded piece part 7 only in the opening part and the other edge part of this folded piece part 7 and the other edge part of the opening part of the bag main body 1 can be opened and closed freely. Good.

In this case, the fastener 8 is an example, and other openable / closable latches such as hooks may be used.
Furthermore, not only the configuration shown in this figure but also other configurations may have a reversible configuration in which the front and back are reversed as necessary.
As described above, not only in the case of having a lining but also in the case of having no lining, it is possible to expose the inside of the bag to the outside, and it is used reversibly as necessary. Also good.

In this case, for example, with respect to the triangular folded portion, a pocket or the like may be provided on the surface portion so as to be folded on both sides of the narrow width of the bag so as to hide the folded portion related to the position.
Further, in this configuration, instead of sewing the upper side 10a and the upper side 10b and sewing the lower side 11b and the lower side 11c, this portion is configured by using a fastener that can be opened and closed, for example, the configuration shown in FIG. But of course.

  Further, the handle 5 may be a handle using a handle different from the handle shown in the figure, or a corner portion constituted by the side 12a and the lower 11a without using the handle. A handle portion such as a furoshiki may be formed by connecting a portion, a corner portion constituted by the side 12d and the upper side 10c.

Next, FIG. 11 shows the figure which removed the handle 5 of the bag of the structure shown in FIG. 10, and was visually recognized from the upper part of the opening part direction.
As shown in the figure, folded-back piece portions 7 are connected to both ends of the opening in the direction of the handle side on the handle side, and the folded-back piece portions 7 are configured to be openable and closable by fasteners 8. It is what.
Further, an opening can be visually recognized at the center of the bag, and both sides of the bag are pressed by the pressing belt 2.

FIG. 12 is a view showing another example. Folding piece portions 7 are continuously provided at the end portions on both side surfaces of the back opening portion, and the respective folded piece portions are attached so as to be freely opened and closed by fasteners 8. An example is shown.
In this case, there is no opening in the central portion of the bag, and the bag is closed by each folded piece 7.
For example, the fastener 8 may be a reversible fastener, that is, a fastener that can be used on both sides.
In this configuration, there is no holding belt.
Of course, this presser belt may be used as needed, and either a configuration having the presser belt or a configuration without the presser belt may be used.

DESCRIPTION OF SYMBOLS 1 Bag main body 10 Upper side of base sheet 11 Lower side of base sheet 12 Side of base sheet 2 Holding belt 3 Locking tool 4 Fastener 5 Hand 51 Connecting ring 6 Hook 7 Folding piece 8 Fastener

Claims (16)

A bag forming the bag body 1 with a single base sheet,
The upper side 10 and the lower side 11 in the horizontal direction of the base sheet having an aspect ratio of about 1 to 3 are divided by a ratio of about 1 to 1;
Of the divided upper sides 10a, 10b, and 10c, the boundary portion between the upper side 10a and the upper side 10b is folded inward in a triangular shape, and the lower side 11b and the lower side 11c of the divided lower sides 11a, 11b, and 11c Fold the border part into a triangle shape inside,
The bag body 1 is formed by sewing the upper side 10a and the upper side 10b and sewing the lower side 11b and the lower side 11c. The bag body 1 is formed by connecting the upper side 10a and the upper side 10b so as to be openable and closable with the fastener 4 and / or connecting the lower side 11b and the lower side 11c so as to be openable and closable with the fastener 4. Item 1. The bag according to item 1. The bag according to claim 1, wherein a boundary portion between the upper side 10 a and the upper side 10 b is folded outward in a triangular shape. The bag according to any one of claims 1 to 3, wherein a boundary portion between the lower side 11b and the lower side 11c is folded outward in a triangular shape. The bag according to any one of claims 1 to 4, wherein a pocket is disposed on an outer surface of the triangular folded portion. The bag according to any one of claims 1 to 5, wherein the triangular folded portion is locked by a detachable locking tool including a hook. A holding belt 2 is provided at the opening of the bag body 1, and both ends of the holding belt 2 are connected to the side edges of the bag opening in both sides of the opening. The bag according to any one of claims 1 to 6, wherein the bag is detachably locked by a locking tool 3 including a hook or a magnet in the middle of the bag. The bag body 1 has a substantially strip-like folded piece 7 at each end side of the opening of the bag body 1, and the latch body includes a fastener 8 at the end side in the opening direction of each folded piece 7. The bag according to any one of claims 1 to 7, wherein the opening of the bag is openable and closable. A substantially strip-shaped folded piece 7 is provided at one end of the opening of the bag body, and between the other edge of the folded piece 7 and the other edge of the opening of the bag body 1. The bag according to any one of claims 1 to 7, wherein an opening of the bag body (1) can be freely opened and closed by a locking tool including a fastener (8).    The bag according to any one of 1 to 9, wherein the bag body 1 is reversible. 11. The handle portion is configured by connecting a corner portion constituted by the side side 12a and the lower side 11a and a corner portion constituted by the side side 12d and the upper side 10c. Bag according to crab. A bag is formed by connecting both ends of a handle to a corner portion constituted by a side side 12a and a lower side 11a and a corner portion constituted by a side side 12d and an upper side 10c, respectively. Item 11. The bag according to any one of Items 1 to 10. The both ends of the handle of the corner portion constituted by the side side 12a and the lower side 11a and the corner portion constituted by the side side 12d and the upper side 10c are detachably connected to the handle, respectively. Item 13. The bag according to Item 12. The bag according to any one of claims 1 to 13, wherein the base sheet has an aspect ratio of 1: 2.5 to 1: 3. Instead of dividing the upper side 10 and the lower side 11 in the horizontal direction of the base sheet at a ratio of approximately 1: 1, one or two ratios are set to 1 to 1.5, and are divided according to different ratios. The bag according to any one of claims 1 to 14. The bag according to claim 15, wherein the ratio of the division between the upper side 10 and the lower side 11 in the lateral direction of the base sheet is different.

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