WO2020050210A1

WO2020050210A1 - Folding vertical bag

Info

Publication number: WO2020050210A1
Application number: PCT/JP2019/034406
Authority: WO
Inventors: みなみ菊田
Original assignee: 株式会社マーナ
Priority date: 2018-09-04
Filing date: 2019-09-02
Publication date: 2020-03-12
Also published as: CN112638198A; TWI743553B; JP6587726B1; CN112638198B; JP2020036739A; KR20210034659A; TW202015583A; KR102381631B1

Abstract

A folding vertical bag (A) is provided with: a bag main body (B) including folded surfaces (5) formed centrally by folding a sheet material (3) along fold lines parallel to a vertical bisector (CL) of a first edge (2), in such a way that second edges (1) facing one another across the vertical bisector are in proximity to one another, and a plurality of pleats (4) formed at both sides of the folded surfaces; a handle opening portion (6) formed in a central portion of the bag main body, and cut along the vertical bisector; a handle portion (B1) formed on a folded-back portion (8) side of the bag main body, which has been folded back in such a way that the folded surfaces face the outside, along a folding-back line (FL) bisecting the bag main body in the longitudinal direction; an accommodating portion (B2) formed by bonding together only side end portions (7) of the second edges of overlapping pleats of the folded back bag main body; and a converged bottom portion (C) formed by sealing the side end portions of the overlapping pleats of the folded back bag main body, in an overlapping state.

Description

Folding vertical bag

The present invention relates to a folding vertical bag, and more particularly, to a folding vertical bag that is small and easily portable when not in use.

縦 Various proposals have been made for a vertical bag that is made of a sheet material and can be folded small in consideration of carrying when not in use.

As an example of such a vertical bag, a flexible sheet such as cloth is provided with at least one or more folds of mountain folds and valley folds in an accordion shape in the longitudinal direction, and cloth, paper, vinyl, etc. Both ends of the flexible sheet are sewn into a tubular shape, the mountain fold and the valley fold are sorted and folded, the upper is an opening, and the bottom is sewn with the mountain fold and the valley fold overlapped and folded. By forming a bottom part, providing a string through hole in the middle of each mountain fold part and each valley fold part of the opening, passing a string, and pulling the string and the bottom part, easily and compactly, without wrinkling 2. Description of the Related Art A shopping bag that can be folded in a conventional manner is known (for example, see Patent Document 1).

Further, as a foldable bag that can be formed into a predetermined rectangular flat band shape in which both ends in the longitudinal direction are closed simply by pulling in a direction in which both ends are separated after use, the bag is formed of a sheet material. An opening portion 100a for extending the center portion in the width direction or one side edge linearly from one end portion to the other end portion in the form of a band, and inserting and removing an object, and sandwiching the opening portion 100a A bellows-shaped bag body comprising a plurality of pleats 12 formed by repeating mountain folds and valley folds at a predetermined width, which are located on one side half 10a and the other half 10b thereof, First and second plies 12 are formed in the bag body closed in a state where the respective ends of the pleats 12 are overlapped, the one half 10a and the other half 10b, and extend along the opening 100a. T And a first flat strap ST1 having a width inserted through the first tunnel portion 18a and a second flat strap having a width inserted through the second tunnel portion 18b. ST2 and the first and second straps while the opening 100a is made small by pulling out a part of the first and second straps ST1 and ST2 from both ends of the first and second tunnels. A carrying bag that can be carried using ST1 and ST2 is also conventionally known (for example, see Patent Document 2).

JP-A-2015-58343 International Publication No. WO 2017/033902

The shopping bag described in Patent Document 1 can be easily folded compactly by pulling the string and the bottom, but it is necessary to separately prepare the string as a handle and attach it to the opening. There was a problem that it took time to manufacture.

Further, in the collapsible bag described in Patent Document 2, although both ends in the longitudinal direction can be closed by simply pulling in the direction in which both ends are separated after use, a strap is separately provided as a handle separately from the sheet material. It is necessary to prepare a foldable bag and to insert the bag into the tunnel, as in the case of the above-mentioned Patent Document 1, and there is a problem that it takes time to manufacture a foldable bag.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and is manufactured integrally with a handle portion by folding a single sheet material. After use, only tension is applied in a direction in which both longitudinal ends are pulled apart. It is an object of the present invention to provide a folding vertical bag that can be easily folded.

The present invention, in order to solve the above-described problems, is a folding vertical bag, which is a folded vertical bag that is brought into a folded state by being stretched in a longitudinal direction from a use state, wherein the first side and the second side are adjacent to each other. Is folded along a fold line parallel to the perpendicular bisector so that the opposing second sides are close to each other with the vertical bisector of the first side as the center. And a bag body having a plurality of pleats formed on both sides of the folding surface, and a central portion having a predetermined opening dimension along the vertical bisector of the folding surface. The handle opening is formed by incision, and the bag body is held by folding back along a folding line that bisects the bag body in the longitudinal direction so that the surface faces outward. A handle portion formed on the pair of folded portions separated by the hand opening, and a storage portion formed by joining the second sides of the overlapping pleats of the folded bag body only to the side end portions. A converging bottom formed by sealing the side ends of the folded pleat body with the overlapping pleats side by side.

As a specific embodiment of the sheet material constituting the bag body, the sheet material is opposed to a handle opening line formed at a central portion on a vertical bisector of a first side and from the vertical bisector. A pair of first mountain fold lines formed with a width S1 of the folding surface toward the second side, and an interval of less than の of the width S1 from the first mountain fold line toward the second side A plurality of sets of valley fold lines and mountain fold lines formed at S2, a pair of fold curves formed at a distance S2 from a pair of mountain fold lines near the second side, and a vertical bisector of the second side And a folding line formed in the second line.

In addition, as a specific embodiment of the handle portion, a configuration is adopted in which the handle portion includes a narrow portion formed by folding both sides of the pair of folded portions to the back side.

The folding vertical bag of the present invention can produce a folding vertical bag integrated with the handle portion by folding one rectangular sheet material by adopting the above configuration, and after use. It can be easily folded simply by tensioning both ends in the longitudinal direction in a direction to separate them.

In addition, in the folding vertical bag of the present invention, since the handle portion and the storage portion of the bag body are made of one rectangular sheet material, the manufacturing process can be simplified.

Furthermore, since the folding vertical bag of the present invention has a narrow width portion in the handle portion, the folding vertical bag can be easily held by hand and can be easily hooked on the shoulder.

It is a perspective view showing the folded state of the folding vertical bag which is an example of the present invention. It is a figure showing the state where the sheet material for producing the folding vertical bag of the example was developed. FIG. 3 is a schematic diagram illustrating a folded state of the sheet material of FIG. 2. FIG. 4 is a schematic diagram showing a state where the folded sheet material of FIG. 3 is folded. FIG. 2 is a schematic view showing a cross section of FIG. 1, wherein (a) is a schematic cross sectional view taken along arrow X1-X1, and (b) is a schematic cross sectional view taken along arrow X2-X2. It is a perspective view showing the use condition of the folding vertical bag of an example. It is a figure which shows the use condition of the folding vertical bag of an Example, (a) is a top view, (b) is a front view, (c) is a side view.

Next, a folding vertical bag according to the present invention will be described with reference to the drawings showing examples.

In the following description, in the perspective view of FIG. 1, the vertical direction is “up and down”, the upper left to lower right is “left and right”, and the lower left to upper right is “back and forth”.

In FIG. 1, A is a folded vertical bag and shows a folded state, B is a bag body folded into a flat shape by forming pleats 4 on both sides, and B1 is formed on an upper portion of the bag body B. The handle portion, B2 is a storage portion formed continuously from the lower end portion of the handle portion B1, and C is formed by sealing the side end portions 7 of the pleats 4 formed on the bag body B in an overlapping state. The focusing bottom D, which is provided near the focusing bottom C of the bag body B, is a fastening band that binds the folded vertical bag A in a state of being folded in the longitudinal direction.

As shown in FIG. 2, the bag body B is formed of a rectangular sheet material 3. In this embodiment, for convenience of explanation, the sheet material 3 has a first side as a short side 2 and a second side as a long side. Although the rectangle is assumed to be 1, the first side may be the long side 1 and the second side may be the short side 2. Further, the sheet material 3 may be a square whose first side and second side are equal sides.

In the present embodiment, a polyester fabric is used as the material of the sheet material 3, but a fabric made of a synthetic fiber such as nylon or a natural fiber such as cotton, or a laminated material obtained by coating the fabric with a synthetic resin, Any flexible sheet material having the necessary strength and flexibility can be selected.

In order to form the plurality of pleats 4 shown in FIG. 3, the sheet material 3 is parallel to the long side 1 (center line CL) in line symmetry with respect to a center line CL which is a perpendicular bisector of the short side 2. A pair of first mountain fold lines M1 formed at an interval S1 and a pair of first mountain folds formed at an interval S2 that is less than half of the interval S1 from the first mountain fold line M1 toward the long side 1 side. A valley fold line V1, a pair of second fold fold lines M2 formed at an interval S2 from the first valley fold line V1 toward the long side 1, and a pair of second fold fold lines M2 from the second fold fold line M2 to the long side 1 side. A pair of second valley fold lines V2 formed at a distance S2 toward the long side, a pair of third valley fold lines M3 formed at a distance S2 from the second valley fold line V2 toward the long side 1; A pair of fold curves T formed at an interval S2 from the third mountain fold line M3 toward the long side 1 side, and the width from the fold curve T to the long side 1 is equal to the interval It is set to be narrower intervals S3 than 2.

In the present embodiment, the sheet material 3 is formed up to the third mountain fold line M3 and the fold curve T (corresponding to the third valley fold line), but the mountain fold line and the valley fold line corresponding to the number of pleats 4 are formed. And the interval S2 corresponding to the pleat width can be arbitrarily set according to the shape of the folding vertical bag.

As shown in FIG. 3, the bag body B folds the sheet material 3 along the mountain fold lines M1 to M3, the valley fold lines V1 to V2, and the fold curve T to fold the center material CL therebetween. 5, a pair of bellows-shaped pleats 4 are formed on both sides.

Further, in the bag body B, a handle opening 6 is formed by incising an opening line OL (see FIG. 2) at a central portion along the center line CL of the folding surface 5 with a predetermined opening dimension L1 using a cutter or the like. Is done.

Next, the bag body B on which the pleats 4 are formed moves along the folding line FL, which is a perpendicular bisector of the long side 1 of the sheet material 3, such that the third mountain fold lines M3 of the pleats 4 face each other. As shown in FIG. 4, the side ends 7 on the short side 2 of the folding surface 5 are opposed to each other.

As described above, the bag body B is folded along the folding line FL so that the folding surface 5 faces outward, so that the bag body B has the pair of folded portions 8 separated by the handle opening 6 ( A handle portion B1 is formed on the side opposite to the side end 7).

As shown in FIG. 1, the handle B1 is provided with an opening edge 11 to reinforce the entire handle opening 6 formed on the folding surface 5 as shown in FIG. A reinforcing tape 12 such as a grosgrain tape is sewn over, and a reinforcing tape 13 is sewn to reinforce the opening end 6 a of the handle opening 6.

Furthermore, if the width of the folded portion 8 is large, the handle portion B1 is difficult to hold by hand or hung on the shoulder, so the handle portion B1 is folded on both sides of the folded portion 8 to the back side and stitched. Thus, the narrow portion 14 is formed.

Further, as shown in FIG. 6, in order to separate the fold curves T of the pleats 4 from each other, as shown in FIG. 6A, each fold curve T is folded in the back side as shown in FIG. Sewed in this state, the pleated opening 15 is formed.

Next, as shown in FIG. 1, the folded bag body B has a storage portion B2 formed continuously from the lower end of the handle portion B1. As shown in FIG. 5B, the storage portion B <b> 2 is formed by sewing the sides that are adjacent to the fold curve T of the pleat 4 and that overlap with each other so as to be folded back.

As shown in FIG. 1, the focusing bottom portion C is formed of a reinforcing tape 17 having a total length corresponding to slightly more than twice the interval S1 which is the width of the folding surface 5 of the bag body B, and the pleats formed on the bag body B. In order to seal the side edges 7 of the bag 4 in an overlapping state, the reinforcing tape 17 is folded back on both sides of the folding surface 5 and sewn so as to clamp the side edge 7 of the bag body B.

Further, as shown in FIG. 1, the bag body B is folded forward in the longitudinal direction from both sides of the folding surface 5 toward the focusing bottom portion C of the bag body B to bind the bag body B together. ), A tape-shaped rubber fastening band D is sewn.

In this embodiment, the fastening band D is made of tape-like rubber, but is not limited to this type, and may be any as long as the bag body B can be folded in the longitudinal direction and bound.

As described above, since the folded vertical bag A is manufactured in a folded state, the appearance of the folded vertical bag A in use will now be described with reference to FIG.

As shown in the top view of FIG. 7A, the folded vertical bag A expanded in the use state has a front folding surface 5 of the bag body B and pleats formed on both sides of the front folding surface 5. 4, a pair of curved gussets 19 (side surfaces) having a curved surface, a rear folded surface 5 that continues rearward from the pair of gussets 19, and a bottom gusset 20 (bottom surface) composed of pleats 4 expanded from the focusing bottom C. ).

Next, the usage mode and the operation and effect of this embodiment will be described with reference to the drawings.
As shown in FIG. 3, the folding vertical bag A of the present embodiment is configured such that the sheet material 3 forming the bag body B is formed along the mountain fold lines M1 to M3, the valley fold lines V1 to 2, and the fold curve T, respectively. After being folded, the handle opening 6 is cut in the center of the folding surface 5 and the bag body B is folded back along the folding line FL so that the folding surface 5 faces outward as shown in FIG. .

Reinforcing

tapes

12 and 13 are sewn into the handle opening 6 formed in the handle portion B1 of the folded bag body B, and the handle portion B1 has both sides of the folded portion 8 folded back. The narrow portion 14 is formed by sewing.

Thereafter, as shown in FIG. 5B, the storage portion B2 of the bag body B is sewn with the overlapping sides adjacent to the fold curve T of the pleats 4 folded into the back side, and the bag body B is folded. As shown in FIG. 1, a folding vertical bag is sewn to the folded side end 7 by sewn a reinforcing tape 17 forming a focusing bottom C, and sewn a fastening band D to the folding surface 5 near the focusing bottom C. A is manufactured in a folded state.

Next, a procedure for making the folded vertical bag A usable will be described with reference to FIG.

(1) First, the fastening band D is removed from the foldable folded vertical bag A, and as shown in FIG. 1, the band is expanded in the longitudinal direction with the convergence bottom C down.

After that, when the handle opening 6 of the handle B1 is opened, the folded vertical bag A becomes usable as shown in FIG. The hand opening 6 can be closed, and the handle B1 can be used with a hand.

As described above, the folded vertical bag A expanded in the use state is formed between the front folded surface 5 and the rear folded surface 5 of the bag body B as shown in FIG. The pleats 4 are expanded to increase the volume of the storage portion B2 as the horizontal gusset 19, and the access to the storage portion B2 is facilitated by opening the handle opening 6 and the pleat opening 15 of the handle B1. be able to.

Next, the procedure for folding the folded vertical bag A after use will be described with reference to FIG.

First, after opening the handle opening 6 of the bag body B and taking out the stored articles, the user pulls the folded portion 8 of the handle B1 and the convergence bottom C with both hands in a direction to separate them, as shown in FIG. In addition, the folding vertical bag A can be formed into a flat shape in which the folding surface 5 exists on the front and back.

Thereafter, the bag body B is folded in the longitudinal direction, and finally, the bag body B is bound by the rubber fastening band D, thereby completing the folding.

The folding vertical bag of the present invention can produce a folding vertical bag integral with the handle portion by folding one rectangular sheet material, and after use, pulls apart both ends in the longitudinal direction. It can be easily folded simply by being tensed, so that it can be easily folded when carrying, and is particularly suitable as a shoulder bag to be carried when going out.

A Folding Vertical Bag B Bag Body B1 Handle B2 Housing C Focusing Bottom D Fastening Band CL Center Line FL Fold Line OL Open Line L1 Open Dimension M1, M2, M3 Mountain Fold Line V1, V2 Valley Fold Line T Fold Curve S1, S2, S3 Interval 1 Long side 2 Short side 3 Sheet material 4 Pleat 5 Folding surface 6 Handle opening 6a Open end 7 Side end 8 Folded part 11

Opening edge

12, 13, 17 Reinforcing tape 14 Narrow width Part 15 Pleated opening 19 Horizontal gusset 20 Bottom gusset

Claims

A folding vertical bag that is in a folded state by being tensioned in a longitudinal direction from a use state,
A rectangular sheet material composed of adjacent first and second sides is parallel to the perpendicular bisector so that the opposing second sides are close to each other with the vertical bisector of the first side as the center. A bag body having a folding surface formed at the center, and a plurality of pleats formed on both sides of the folding surface,
A handle opening formed by cutting a central portion along the vertical bisector of the folding surface with a predetermined opening dimension;
A handle portion formed on a pair of folded portion sides separated by a handle opening of the bag body by being folded so that a folding surface is directed outward along a folding line that bisects the bag body in the longitudinal direction. When,
A storage portion formed by joining the second sides of the overlapping pleats of the folded bag body only to the side end portions,
A folded vertical bag comprising: a folded bottom portion formed by sealing the side edges of overlapping pleats of the folded bag body in an overlapping state.
The sheet material has a handle opening line formed at a central portion on a vertical bisector of a first side and a width S1 of a folding surface from the vertical bisector toward a second side opposite to the handle. And a plurality of sets of valley fold lines and mountain folds formed at an interval S2 of less than 1/2 of the width S1 from the first mountain fold line toward the second side from the first mountain fold line. 2. A line, a pair of fold lines formed at an interval S <b> 2 from a pair of mountain fold lines near the second side, and a fold line formed on a perpendicular bisector of the second side. 3. Foldable vertical bag described in.
The folding vertical bag according to claim 1 or 2, wherein the handle portion includes a narrow portion formed by folding both sides of the pair of folded portions to the back side.