JP3021740U - A two-layer carrying bag that keeps food cold or warm - Google Patents

Abstract

(57) [Abstract] [PROBLEMS] To provide a two-layer bag that can be easily carried while keeping cold or warm foods such as tofu or cold foods such as bento. SOLUTION: The folds 2 are provided on the left and right side walls (5, 6) by a sheet of Esprit coated paper, the bottom portion 8 is pasted on a square bottom, and the backing paper 7 is pasted and closed to open the upper portion. The opening 9
The bag body having the hand strap 10 attached to it is formed as an outer bag A, and the outer dimension of the front and rear walls, the left and right side walls, and the outer dimension of the bottom are integrally formed by using a single polyethylene extruded foam sheet. The inner bag is a bag body which is slightly narrower than the inner dimension and is 20 mm higher in height than the outer bag. The inner bag is fitted into the outer bag, and the front and rear walls of the inner bag and the left and right side walls are the inner peripheral wall of the outer bag. By stacking the bottom portion 16 of the inner bag on the bottom portion of the outer bag via the corrugated board C, the opening portion 17 of the inner bag is positioned about 20 mm above the opening portion of the outer bag. A two-layer bag 1 for carrying, which can be carried in and taken out, and whose opening is easily sealed to carry, can also be used for keeping food food cold or warm.

Description

[Detailed description of the device]

[0001]

[Technical field to which the device belongs]

 The present invention is intended for use with dry ice or ice when carrying or delivering tofu, oil-boiled food, food such as sashimi that needs to be kept cold, or bento, fried food, food that needs to be kept warm such as okonomiyaki. Efficiently keep food items cool as described above, or carry them lightly, without the need to keep them cool using cooling items such as The present invention relates to a carrying two-layer bag that also serves to keep foods cool or warm.

[0002]

[Prior art]

 Conventionally, there are many multi-layer bags such as two-layer or three-layer bags in which a bag made of synthetic resin film or the like is used as the inner bag and a bag made of paper or synthetic resin film is used as the outer bag. Is complicated and time-consuming to manufacture, and is relatively inconvenient to use. Especially when carrying food while keeping it cold or warm, carry a cooling item such as dry ice or a warm item such as far infrared rays in a bag. There were some difficulties, such as having to put it inside.

[0003] For example, there are various types such as Japanese Utility Model Laid-Open No. 58-119395, Japanese Utility Model Laid-Open No. 64-20449, Japanese Utility Model Laid-Open No. 2-16746, Japanese Utility Model Laid-Open No. 5-26837, Japanese Utility Model Laid-Open No. 5-40146, and Japanese Utility Model No. 6-6033. However, all of these inventions are complicated in construction and have the above-mentioned drawbacks.

[0004]

[Issues to be solved by the device]

 The present invention is a carrying bag for shopping and delivering food items such as tofu and sashimi that need to be kept cold, and food items that need to be kept warm such as bento and fried food. We provide a two-layer bag that can be carried in a convenient manner by simply storing the above-mentioned food items by using a simple method without using heat-insulating products such as infrared rays and far infrared rays, and effectively keeping them cold or warm. It aims to solve the difficulties of.

[0005]

[Means for Solving the Problems]

Therefore, as a result of various researches, the applicant of the present application, using a sheet of 100 / m ^{2 to} 120 / m ² of esprit coated paper, provided folds on both left and right side walls, and stuck the bottom portion to a square bottom, Reinforcement paper is pasted on the base to close it, the upper part is opened, and a bag of arbitrary size is formed by attaching a hand strap to the opening, and this is used as an outer bag. Using a polyethylene extruded foam sheet with a thickness of m, the outer dimensions of the front and rear walls and left and right side walls and the outer dimension of the bottom are made narrower than the inner dimension of the outer bag by the integral molding, and the height is the above. A bag body having an upper part opened and a bottom part closed is formed about 20 mm higher than the outer bag to form an inner bag. The inner bag is fitted into the outer bag, and the outer peripheral wall of the inner bag is formed. On the inner wall of the outer bag and the bottom of the inner bag over the bottom of the outer bag through the corrugated board. By this, the opening of the inner bag projects about 20 mm above the opening of the outer bag to form a two-layer bag, and the inner bag can be easily opened and closed to allow food items to be taken in and out freely. You can easily fold and seal the opening of the inner bag and keep it cool as it is, while keeping the food cold or warm by using the material of the inner bag that has the ability of keeping heat, keeping the food cool or portable. We have developed a portable two-layer bag that also functions as a heat insulator, and have solved the above problems.

[0006]

[Embodiment of device]

 An embodiment of the present invention will be described below with reference to the accompanying drawings. The present invention is not limited to this.

A tubular body is made from a sheet of waterproof 100 / m ^{2 to} 120 / m ² Esprit coated paper, and folds 2 are provided in the center of the left and right side walls, and front and rear walls (3, 4) And the lower end flaps (3 ', 4', 5 ', 6') of the left and right side walls (5, 6) are bent inward and attached to each other, that is, they are attached to the bottoms (delta attachment). The height is about 440 mm, which is formed by pasting the paper 7 on the upper surface for the reinforcement and forming the bottom portion 8. The inner width of the front and rear walls (3, 4) is 290 mm, and the inner diameter of both side walls (5, 6). A bag body having a width of about 135 mm is formed, and a hand strap 10 is attached to the opening 9 of the bag body to form the outer bag A, which is further integrated with a polyethylene extruded foam sheet P having a thickness of about 1 mm. By molding, the height is about 460 mm, the outer width of the front and rear walls (11, 12) is about 288 mm, and both side walls (14, 1) ) Outer width is about 133 mm, and the outer size of the bottom part 16 is made slightly narrower than the inner size of the outer bag A to form a bag body having an opening 17 at the upper part, which is referred to as an inner bag B. As shown in FIG. 3, the inner bag B is fitted into the outer bag A, the outer peripheral wall of the inner bag is overlapped with the inner peripheral wall of the outer bag A, and the bottom portion 16 of the inner bag is inserted via the corrugated board C of the outer bag. By overlapping with the bottom portion 8, the upper part B ′ of the inner bag projects upward by about 20 mm from the opening 9 of the outer bag, that is, the opening 17 of the inner bag B is about 20 mm above the opening 9 of the outer bag A. As shown in FIG. 1, the portable two-layer bag 1 for keeping the food cold or warm is obtained as shown in FIG.

According to the present invention, as described above, the opening of the inner bag is made to project about 20 mm above the opening of the outer bag, so that the opening 17 of the inner bag can be easily opened and closed, and the food to the inner bag can be easily opened. It allows items to be put in and taken out freely, and the upper part B'of the inner bag is folded inward by a simple manual operation to seal the opening 17 so that the stored food items can be carried easily while keeping it cool or warm. It is a thing.

Further, the outer bag A according to the present invention is constructed such that the bottom portion 8 of the outer bag A is erected upward together with the reinforcing pad paper 7 and the paper board C, and the left and right side walls are folded in two by the folds 2. Similarly for the inner bag B, the bottom portion 16 is bent upward, and the front and rear walls and the left and right side walls are made horizontal by extending the central fold 2a of the side wall, so that the outer bag A and the inner bag B are both used except when they are in use. As shown in Fig. 5 and Fig. 6, it can be transported and stored in a flattened shape and low in bulk.

The manufacturing means in one embodiment of the inner bag will be described in detail below.

As shown in FIG. 2, a rectangular sheet having a thickness of about 1 mm, a length of about 1053 mm, and a width of about 288 mm has a central portion in the longitudinal direction of a polyethylene extruded foam sheet P such as a product name, Literon. The left and right sides of the part having a length of about 133 mm are partially cut off (14a, 15a) and the remaining part is a bottom part 16a (the inner size of the bottom part of the outer bag is made wider than this). None, the left and right sides each having a length of about 460 mm are divided into front wall portion 11a and both side edge portions (11a ', 11a') (left side wall portion) and rear wall portion 12a and both side edge portions (12a '). , 12a ') (right side wall portion), and the front and rear wall portions (11a, 12a) and their edge portions (11a', 11a ', 12a', 12a ') are raised to the left and right edge portions (11a) of the front wall. ', 11a') and the left and right edges of the rear wall By joining 13 the parts (12a ', 12a') to each other, the front and rear walls (11, 12) and the left and right side walls (14, 15) higher than the outer bag by about 20 mm are formed. By adhering the lower end edges (11b, 12b) to the edge 16 'of the bottom portion 16a, the height of about 460 mm, the outer width of both side walls is about 288 mm, and the outer width of both side walls is about 133 mm. A bag body is formed and is referred to as an inner bag B.

Therefore, the inner bag B is suitable for being stacked on the inner peripheral wall of the outer bag A having an inner width of about 290 mm on the front and rear walls and an inner width of about 135 mm on the left and right side walls, and is tightly fitted into the outer bag. A two-layer bag is formed in which the opening 17 of the inner bag is about 20 mm higher than the opening 9 of the outer bag.

Therefore, the present invention has the following effects. Since the inner bag in this invention is made of a polyethylene extruded foam sheet, it has the ability of keeping the food cold or warm due to its material, and it does not need to keep the cold food or the warm food without using the cold food or the warm food. You can put food in a bag as it is and keep it cold or warm while carrying it with confidence.

In the two-layer bag of the present invention, since the opening of the inner bag is located about 20 mm above the opening of the outer bag, the inner bag for food can be easily stored and taken out, and the opening of the inner bag is easy. You can easily carry food items with the parts easily sealed.

The inner bag and the outer bag forming the two-layer bag of the present invention can be folded and stored flat before and after use.

[0015]

[Effect of device]

 Since the present invention has the above-mentioned effects, it can be easily stored and carried while keeping food cool or warm when shopping food items that need to be kept cold or warm, and when taking them home for delivery or delivering. It has the effect that it can be eaten with its original taste, and the double-layer bag of this invention can be easily folded and folded into a flat shape before and after its use for storage and transportation, which is easy to handle and reduces distribution costs. Is also effective, and it can be said that it is a double-layer bag with many benefits for consumers.

[Brief description of drawings]

FIG. 1 is a completed perspective view of the present invention.

FIG. 2 is an assembly process diagram of the inner bag of the present invention.

FIG. 3 is an assembly process diagram of the present invention.

FIG. 4 is a perspective view showing a central longitudinal section of the present invention.

FIG. 5 is a perspective view showing a folded outer bag of the present invention.

FIG. 6 is a perspective view showing a folded inner bag of the present invention.

[Explanation of symbols]

 1 Two-layer bag for carrying food that keeps cold or warm A Outer bag 2 Folds 2a Fold 3 Front wall of outer bag 3'Flap 4 Rear wall of outer bag 4'Flap 5 Left side wall of outer bag 5'Flap 6 Right side wall of outer bag 6'Flap 7 Bottom reinforcing pad 8 Bottom of outer bag 9 Outer bag opening 10 Handbag B Inner bag B'Inner bag upper part P Polyethylene extruded foam sheet 11a Inner bag front wall part 11a 'inner bag front wall edge 11b inner bag left wall lower edge 11 inner bag front wall 12a inner bag rear wall portion 12a' inner bag rear wall edge 12b inner bag right wall lower edge 12 Inner bag rear wall 13 Inner bag joint 14a Inner bag right cut portion 14 Inner bag right wall 15a Inner bag left cut portion 15 Inner bag left wall 16a Inner bag bottom portion 16 'Inner bag bottom edge Part 16 Bottom of inner bag 17 Opening of inner bag C Corrugated board

Claims (1)

[Scope of utility model registration request] 1. A sheet of 100 / m ^{2 to} 120 / m ² esprit coated paper is used, folds are provided on both left and right side walls, the bottom portion is pasted on a square bottom, and a reinforcing patch paper is glued on the upper surface. Paste and close, open the upper part, and form a bag body of arbitrary size by attaching a hand strap to the opening part, and use this as an outer bag,
Furthermore, by using a polyethylene extruded foam sheet having a thickness of about 1 mm, by integrally molding, the outer width of the front and rear walls and the left and right side walls and the outer dimension of the bottom are slightly narrower than the inner dimension of the outer bag, and the height is increased. By about 20 mm above the outer bag to form a bag body having an open top and a closed bottom, which is used as an inner bag, and the inner bag is fitted into the outer bag to form an outer peripheral wall of the inner bag. Is placed on the inner peripheral wall of the outer bag, and the bottom of the inner bag is placed on the bottom of the outer bag via the corrugated board, so that the opening of the inner bag projects about 20 mm above the opening of the outer bag. A double-layered bag that can be opened and closed easily and food items can be put in and taken out freely, and the opening of the inner bag can be easily folded and sealed to keep food items cool or warm. Keeping food cold or warm, which is characterized by being carried around Carrying for a two-layer bag, which also serves as.