JP3180929U - Packaging bag - Google Patents

Abstract

The present invention provides a packaging bag that does not require laminating on the entire surface of the bag, even in a usage mode that requires laminating on the bag.
SOLUTION: A packaging bag 10 includes a peripheral wall portion 20, a bottom portion 30 connected to a lower end of the peripheral wall portion 20, an opening 50 provided on an upper end side of the peripheral wall portion 20, and an upward direction from the peripheral wall portion 20. A bag body 13 formed into a bag shape with a cover 70 extended, a cover section 40 disposed on the outside of the bag body 13, and an inner side of the bottom portion 30 and the lower end portion of the peripheral wall portion 20. And a printed part printed on the outside of the bottom part 30 and the peripheral wall part 20.
[Selection] Figure 3

Description

  The present invention relates to a packaging bag used when displaying food or the like at a store.

  As a packaging bag used when displaying food or the like at a store, there is one described in Patent Document 1 previously filed by the present applicant. According to this, a synthetic resin-based nonwoven fabric having both or one of water-absorbing and oil-absorbing properties is laminated on the lower inner surface of a transparent synthetic resin bag body having a bottom surface that is open at the top and can be self-supporting. In addition, at least the upper edge of the nonwoven fabric was bonded to the bag body.

  As a result, a food packaging and packaging operation for displaying foods has been further facilitated, and a packaging bag suitable for food display applications has been obtained.

JP 2007-308199 A

  However, the packaging bag may be laminated to the bag body due to demands for surface protection and improved durability. In that case, even if lamination processing is necessary only for a part of the bag body, it will be laminated on the entire surface of the bag body due to processing restrictions, resulting in increased manufacturing man-hours and material costs. Further improvements were desired.

  Moreover, the antifogging property of the synthetic resin which has antifogging property was impaired by the influence of the heat | fever, an adhesive agent, etc. by laminating the whole surface of a bag body.

  In view of the above circumstances, an object of the present invention is to provide a packaging bag that does not require laminating on the entire surface of the bag, even if the bag is used in a laminating manner.

  According to the first aspect of the present invention, there is provided a packaging bag that is flat when folded and is three-dimensional when accommodated, and is formed so as to be capable of self-supporting, and is connected to the peripheral wall portion and the lower end of the peripheral wall portion. A bag body having a bottom part that is bent inward of the peripheral wall part in a gusset shape and an opening provided on the upper end side of the peripheral wall part, and having a bag shape, and at least a part of the bag body The cover portion that is overlapped from the outside is disposed, and the cover portion is formed to have the same width as the peripheral wall portion and / or the bottom portion that are overlapped in a folded state, and the left and right side end portions of the cover portion are overlapped. It is adhered to the peripheral wall or / and the bottom.

  There is a demand for surface protection, durability improvement, etc. by overlapping the cover part on the outside of the bag body, even if it is a usage mode that requires lamination processing on the bag body, select the part that needs measures By substituting with the cover portion, it is possible to eliminate lamination on the entire surface of the bag body. Therefore, the number of manufacturing steps can be reduced.

  Furthermore, by adhering the cover part to the peripheral wall part and / or the bottom part that are overlapped at the left and right side edges of the cover part, the cover part can be attached with a smaller bonding area than when the cover part is adhered to the entire surface of the bag body. Since it can be bonded, the manufacturing cost can be reduced.

  Moreover, if the bag body and the cover part are formed of a synthetic resin having anti-fogging properties and are adhered to the left and right side end parts of the cover part, the heat received when the bag is laminated on the entire surface. Since the influence of the adhesive and the like is eliminated, it contributes to not impairing the antifogging property. In particular, it is effective in a usage mode in which prepared dishes such as fresh foods and fried foods are packaged.

  In addition, if a printing part to be printed is provided outside the peripheral wall part or / and the bottom part and the cover part is arranged so as to cover at least the printing part, the product name, the product description, etc. are printed on the packaging bag. In the case of use, it is possible to prevent discoloration, peeling or the like of printing due to contact or the like during storage work of stored items.

  Further, the bottom portion is formed in a rectangular shape having the same width as the peripheral wall portion in a folded state, and the left and right side end portions of the bottom portion are respectively bonded to the peripheral wall portion, and at the left and right side end portions of the peripheral wall portion, The non-bonded part is formed by bonding the front side part and the rear side part of the peripheral wall part, and the cover part is formed in a rectangular shape having the same width as the peripheral wall part in a folded state, and the bottom part and at least the bottom part side of the peripheral wall part And so as to cover.

  According to this, it can respond | correspond appropriately according to a usage condition by covering the bottom part and the bottom part side of a surrounding wall part with a high degree of a request | requirement of anti-fogging property and printing especially.

  In addition, if any one of the pair of valley fold lines formed at the boundary between the bottom and the peripheral wall in the folded state is positioned above the other valley fold line, in a self-supporting state in which the stored items are stored Since it inclines to the valley fold line side located on the upper side, when the packaging bag is displayed on a flat table, it can appeal to the human eye.

  In addition, if a non-woven fabric having oil-absorbing property and / or water-absorbing property is disposed inside the bottom and the lower end of the peripheral wall portion, when storing prepared foods such as fresh food or fried foods that have oil or / and moisture In addition, the oil or / and moisture can be absorbed to improve the storage condition.

It is an exploded development view of the packaging bag of one embodiment in the present invention. It is an expanded view of the packaging bag of the embodiment. It is a front view of the packaging bag of the embodiment. It is IV-IV sectional drawing in FIG. It is a perspective view of the state which stored the storage thing. It is a right view of the state which stored the storage thing.

A first embodiment of a packaging bag of the present invention will be described based on the drawings. In the following description, the front and rear of arrows shown in the drawings are front, rear is right, right is left, left is left, top is top, and bottom is bottom. For the sake of explanation, the printing unit 80 is omitted in FIGS. 3 and 5. The packaging bag 10 includes a peripheral wall 20 and a bottom connected to the lower end of the peripheral wall 20 as shown in FIGS. 30, a bag body 13 formed into a bag shape having an opening 50 provided on the upper end side of the peripheral wall portion 20, and a lid portion 70 extending upward from the peripheral wall portion 20, Cover 40 disposed outside body 13, non-woven fabric 60 disposed inside the bottom 30 and the lower end of peripheral wall 20, and printed part printed on the outside of bottom 30 and peripheral wall 20 80.

  1 and 2 are development views facing the inner side of the packaging bag 10. In FIG. 1, the vertical positions of the respective members are associated with each other.

  The packaging bag 10 has the synthetic resin film F which comprises the bag body 13, the cover part 40, and the nonwoven fabric 60 in the expansion | deployment state shown to FIGS.

  The bag 13 is formed of a substantially transparent synthetic resin film F that is colorless and transparent and has flexibility and anti-fogging properties. Valley fold lines 11a and 11b are formed at the boundary between the bottom 30 and the peripheral wall 20; A mountain fold line 12 is formed between the valley fold lines 11a and 11b. In the present embodiment, mountain fold and valley fold refer to the mountain fold and valley fold in FIG. The length L1 from the mountain fold line 12 to the valley fold line 11a and the length L2 from the mountain fold line 12 to the valley fold line 11b are formed to satisfy L1> L2.

  The bottom part 30 is comprised by the rectangular-shaped part pinched | interposed by the valley fold lines 11a and 11b of the synthetic resin film F1.

  The peripheral wall portion 20 is composed of rectangular portions that are respectively connected in the vertical direction of the bottom portion 30.

  The lid portion 70 extends downward (upward in the folded state) from a later-described front side portion 13a of the lower peripheral wall portion 20, and is formed in a trapezoidal shape in which the lower sides of the left and right side end portions 70a and 70b are cut off. ing.

  The printing unit 80 is provided on the rear side (outside in the folded state) of the bottom 30 and the peripheral wall 20 and is printed with a product name, quality display, and the like by an existing method. When expressed in FIG. 1, it becomes a portion indicated by a thin ink portion.

  The cover portion 40 is formed of a substantially rectangular synthetic resin film F2 that is colorless and transparent and has flexibility and anti-fogging properties, and is formed in a rectangular shape having the same width as the peripheral wall portion 20 and the bottom portion 30. It has an area that can be covered.

  The nonwoven fabric 60 is an oil-absorbing and water-absorbing member, is formed in a rectangular shape having the same width as the peripheral wall portion 20 and the bottom portion 30, and has an area that can cover the bottom portion 30 and the bottom portion 30 side portion of the peripheral wall portion 20 from the inside. Have.

  A method for manufacturing the packaging bag 10 will be described.

  The non-woven fabric 60 is overlapped on the surface of the front side (the inner side in the folded state) of the bottom part 30 side of the synthetic resin film F1 and the bottom part 30 side of the peripheral wall part 20 (the lower end part of the peripheral wall part of the claims). The side wall portions 20a and 60b are bonded to the left and right side edge portions 20a, 20b, 30a, and 30b of the peripheral wall portion 20 and the bottom portion 30 to be overlapped, respectively, and the peripheral wall portion 20 along the left-right direction at the upper and lower ends. Adhere with. Note that “adhesion” includes heat welding.

  Next, the cover portion 40 is overlapped so as to cover the printing portion 80 from the rear side (outside in the folded state), and the left and right side wall portions 20a and 60b are overlapped at the left and right sides of the peripheral wall portion 20 and the bottom portion 30. Adhere to the side ends 20a, 20b, 30a, 30b, respectively.

  Through the above-described steps, a multilayer film body F3 in a state of being superimposed on three layers as shown in FIG. 2 is formed.

  Then, the bottom portion 30 of the single multilayer film body F3 is folded inside the peripheral wall portion 20 into a gusset shape along the valley fold lines 11a and 11b and the mountain fold line 12 together with the cover portion 40 and the nonwoven fabric 60 overlapping the bottom portion 30. The bag formed in the bag shape which has the bottom part 30, the surrounding wall part 20, and the opening part 50 as shown in FIGS. 3-4 by laminating | stacking and adhering (sealing) the left and right side edge part of the multilayer film body F3. The packaging bag 10 having the body 13 is completed.

  More specifically, the left and right side edges 60a and 60b of the nonwoven fabric 60 that is bent and arranged on the innermost side are bonded to each other, and the left and right sides of the facing cover part 40 that is bent and arranged on the outermost side are bonded. Each side edge part 40a, 40b is adhere | attached.

  In other words, the left side end portion 60a of the overlapping nonwoven fabric 60, the left side end portion 30a of the bottom portion 30, the left side end portion 20a of the peripheral wall portion 20, and the left side end portion 40a of the cover portion 40 The right side end portion 60b of the nonwoven fabric 60 that overlaps, the right side end portion 30b of the bottom portion 30, the right side end portion 20b of the peripheral wall portion 20, and the right side end portion 40a of the cover portion 40. Are bonded to form an integrated bonded portion S.

  The part which becomes the front side other than the bottom part 30 of the bag body 13 of the completed packaging bag 10 is the front side part 13a, and the part which is the rear side is the rear side part 13b.

  In the left and right side end portions 20a, 20b of the peripheral wall portion 20, the front side portion 13a and the rear side portion 13b of the peripheral wall portion 20 are bonded to the portion not bonded to the nonwoven fabric 60.

  As shown in FIGS. 3 and 4, the packaging bag 10 in the folded state has a length L1 from the mountain fold line 12 to the valley fold line 11a and a length L2 from the mountain fold line 12 to the valley fold line 11b. Is formed so that L1> L2, and the valley fold line 11b formed at the boundary between the bottom 30 and the peripheral wall 20 is positioned above the other valley fold 11a.

  A method of using the packaging bag 10 in a three-dimensional shape will be described.

  As shown in FIGS. 5 to 6, from the folded state of the packaging bag 10, the bent mountain fold line 12 portion is pushed in to widen the bottom portion 30, and the left and right side end portions 30 a and 30 b of the bottom portion 30 are moved upward. The packaging bag 10 has a three-dimensional shape that can be stored independently by storing the stored item P. The stored item P is stored from the opening 50, the lid 70 is bent downward, and the peripheral wall on the rear side The opening 50 is closed by fastening it to the portion 20 with a tape or the like. And it displays on the display stand B with the bottom part 30 down.

  In this state, the packaging bag 10 has a length L1 from the mountain fold line 12 to the valley fold line 11a and a length L2 from the mountain fold line 12 to the valley fold line 11b such that L1> L2. Since it is formed, as seen from the left and right direction, the lower end of the adhesive portion S at the left and right ends of the packaging bag 10 and the valley fold line 11b cause a height difference in the vertical direction, as shown in FIG. It will be inclined to the rear side. In particular, when the packaging bag 10 is displayed at a position lower than the line of sight of the person, it is possible to expect the effect of making the stored item P easier to see and making the printing of the printing unit 80 easier to see.

  The packaging bag 10 having the above configuration is a packaging bag that is flat when folded and has a three-dimensional shape when the stored item P is stored, and is formed so as to be able to stand on its own. It has a bag body 13 formed in a bag shape having a bottom portion 30 connected to the lower end and bent into the gusset shape inside the peripheral wall portion 20 and an opening 50 provided on the upper end side of the peripheral wall portion 20. At least a part of the bag body 13 is provided with a cover portion 40 that is overlapped from the outside. The cover portion 40 is formed to have the same width as the peripheral wall portion 20 and the bottom portion 30 that are overlapped in a folded state. The left and right side end portions 40 a and 40 b of the portion 40 are bonded to the peripheral wall portion 20 and the bottom portion 30 to be overlapped.

  By overlapping the cover 40 on the outside of the bag body 13, there is a demand for surface protection, improved durability, etc. Even if the bag body 13 requires a lamination process, a portion requiring measures is required. By selecting and substituting with the cover part 40, it is possible to eliminate lamination on the entire surface of the bag body 13. Therefore, the number of manufacturing steps can be reduced.

  Furthermore, by bonding the cover part 40 to the peripheral wall part 20 and the bottom part 30 that are overlapped by the left and right side end parts 40a and 40b of the cover part 40, compared to the case where the cover part 40 is bonded to the entire surface of the bag body 13. Since the cover portion 40 can be bonded with a small bonding area, the manufacturing cost can be reduced.

  If the bag body 13 and the cover portion 40 are made of a synthetic resin having anti-fogging properties and bonded at the left and right side end portions 40a and 40b of the cover portion 40, the entire bag body 13 is laminated. This eliminates the effects of heat, adhesives, etc., and contributes to not impairing the antifogging property. In particular, it is effective in a usage mode in which prepared dishes such as fresh foods and fried foods are packaged.

  Moreover, since the printing part 80 on which printing is performed is provided outside the peripheral wall part 20 and the bottom part 30, and the cover part 40 is disposed so as to cover at least the printing part 80, the product name, When product descriptions are printed and used, it is possible to prevent discoloration, peeling, etc. of printing due to contact or the like during storage operation of the storage item P.

  In addition, the bottom portion 30 is formed in a rectangular shape having the same width as the peripheral wall portion 20 in a folded state, and the left and right side end portions 30a and 30b of the bottom portion 30 are bonded to the peripheral wall portion 20, respectively. In the side end portions 20a and 20b, the front portion 13a and the rear portion 13b of the peripheral wall portion 20 are bonded to each other, and the cover portion 40 is the same as the peripheral wall portion 20 in a folded state. It is formed in a rectangular shape with a width, and is disposed so as to cover the bottom 30 and at least the bottom of the peripheral wall 20.

  According to this, the cover part 40 covers the bottom part 30 and the bottom part 30 side of the peripheral wall part 20 with high antifogging requirements and a high degree of printing. be able to.

  Further, the valley fold line 11b formed at the boundary portion between the bottom 30 and the peripheral wall part 20 in the folded state is positioned above the valley fold line 11a, so that in the self-supporting state in which the stored items P are stored, Since it inclines to the valley fold line 11b side which was located, when the packaging bag 10 is displayed on a flat stand, it can appeal to a human eye.

  Moreover, since the nonwoven fabric 60 which has oil absorption and water absorption is arrange | positioned inside the bottom part 30 and the lower end part of the surrounding wall part 20, the side dishes, such as fresh food and fried foods which have oil and water | moisture content, are accommodated. In this case, the oil and moisture can be absorbed to improve the storage state.

  The packaging bag 10 of the present invention is not limited to the above configuration. That is, various design changes can be made without departing from the gist of the present invention.

  For example, when the non-woven fabric 60 is not disposed, the left and right side end portions 30a and 30b of the bottom portion 30 are respectively bonded to the left and right side end portions 20a and 20b of the peripheral wall portion 20, and are further bent and face each other. The left and right side end portions 30a, 30b of the bottom portion 30 are bonded to each other. In other words, the left side end portion 30a of the overlapping bottom portion 30 and the left side end portion 20a of the peripheral wall portion 20 are bonded, and the right side end portion 30b of the overlapping bottom portion 30 and the right side end portion of the peripheral wall portion 20 are bonded. 20b is bonded and integrated.

  Moreover, the cover part 40 can also be arrange | positioned so that only the surrounding wall part 20 or the bottom part 30 may be covered.

  Moreover, the nonwoven fabric 60 can also be formed with the member which has only oil absorption or water absorption.

  Further, the printing unit 80 can be disposed only on the bottom 30 or the peripheral wall 20.

DESCRIPTION OF SYMBOLS 10 Packaging bag 11a Valley fold line 11b Valley fold line 13 Bag body 13a Front side part 13b Rear side part 20 Peripheral wall part 20a Side edge part 20b Side edge part 30 Bottom part 30a Side edge part 30b Side edge part 40 Cover part 40a Side edge part 40b Side end portion 50 Opening portion 60 Non-woven fabric 80 Printing portion L1 Length L2 Length P Storage

Claims (6)

A packaging bag that is flat in the folded state, three-dimensionally shaped in a state of storing the stored items, and formed so as to be capable of self-supporting,
It is formed in a bag shape having a peripheral wall portion, a bottom portion connected to the lower end of the peripheral wall portion and bent into a gusset shape inside the peripheral wall portion, and an opening provided on the upper end side of the peripheral wall portion Having a bag,
At least a part of the bag body is provided with a cover portion that is overlapped from the outside,
The cover portion is formed to have the same width as the peripheral wall portion and / or the bottom portion, which are overlapped in a folded state,
The packaging bag, wherein left and right side end portions of the cover portion are bonded to the peripheral wall portion and / or the bottom portion to be overlapped.   The packaging bag according to claim 1, wherein the bag body and the cover part are formed of a synthetic resin having antifogging properties. On the outer side of the peripheral wall part or / and the bottom part, a printing part to be printed is provided,
The packaging bag according to claim 1, wherein the cover part is disposed so as to cover at least the printing part. The bottom part is formed in a rectangular shape having the same width as the peripheral wall part in a folded state,
The left and right side end portions of the bottom portion are respectively bonded to the peripheral wall portion,
In the left and right side end portions of the peripheral wall portion, the portion not bonded to the bottom portion is bonded to the front side portion and the rear side portion of the peripheral wall portion,
The cover portion is formed in a rectangular shape having the same width as the peripheral wall portion in a folded state, and is disposed so as to cover the bottom portion and at least the bottom side of the peripheral wall portion. The packaging bag according to claim 1, 2 or 3.   2. One of a pair of valley fold lines formed at a boundary portion between the bottom portion and the peripheral wall portion in a folded state is positioned above the other valley fold line. 2, 3 or 4 packaging bag. 6. The packaging material according to claim 1, wherein a non-woven fabric having an oil absorption property and / or a water absorption property is disposed inside the bottom portion and the lower end portion of the peripheral wall portion. bag.

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