TWM611699U - Improved structure of bag - Google Patents

Abstract

An improved structure of a bag body. A plastic film is folded in half to form a first side surface and a second side surface. The bottom ends of the first side surface and the second side surface are folded inward to form a first bottom surface and a second bottom surface. For the bottom of the bag, the two sides of the first side and the second side are melt-cut to the top of the first and second bottom surfaces, and an inwardly inclined first is provided on both sides of the junction of the first side and the first bottom. A welding line welds the first side surface and the first bottom surface, and the second bottom surface and the second side surface are also welded by a second welding line inclined inward, thereby forming an improved structure of the bag body, which is packed in the bag When goods are loaded, the bottom of the bag is opened to form a flat bottom surface due to the loading of the goods, and then various shapes of containers, such as toast, bread and other products, are loaded.

Description

Improved structure of bag body

This creation relates to an improved structure of the bag body, in particular to a first welding line (side) inclined inwardly on both sides of the first side surface and the first bottom surface, and the second bottom surface and the second side surface have the same Improved structure of the bag body formed by the second welding line (side) inclined inward.

Generally speaking, there are many types of conventional plastic bags, including coiling, extracting and stacking. The plastic packaging bags used for toast, bread and other products, and toast are shown in Figure 9. They are folded in half by a plastic film to form a first A side surface 10' and a second side surface 20', the bottom ends of the first side surface 10' and the second side surface 20' are folded inward to form a bag bottom 30 having a first bottom surface 31' and a second bottom surface 32', The two sides of the first side surface 10' and the second side surface 20' are melt-cut. Therefore, the first side surface 10', the second side surface 20', and the first bottom surface 31' and the second bottom surface 32' are original It is melted and cut together to form an improved structure of the bag body. When the bag is put into the bag, because the first bottom surface and the second bottom surface are welded together, the two sides of the bag body cannot be fully opened, so the bottom of the bag cannot be formed If the bottom surface is flat, food of various shapes such as bread, toast, etc. cannot be placed or stacked evenly.

In view of the various shortcomings derived from the above-mentioned conventional bag body structure, we are eager to improve and innovate. After years of painstaking and intensive research, we have finally successfully developed an improved bag body structure, which is tied to the bottom of the bag body with one side inward. Inclined tangent line welding, formed when the bag is loaded with items, so that when the bag is loaded, the bottom of the bag is opened to form a flat bottom surface.

The main purpose of this creation is to provide an improved structure of the bag body with the remaining part of the welding cut, which is welded and removed by an inwardly inclined first welding line on both sides where the first side surface and the first bottom surface meet. The two bottom surfaces are welded together with the second side surface by a second fusion cutting line inclined inward to form an improved structure of the bag body. When the bag is filled with items, the improved structure of the bag body formed thereby is placed in the bag When items are inserted and the bag body is opened, the bottom of the bag can form a flat bottom surface, which is convenient for loading various shapes of containers, such as toast, bread and other food materials.

Another purpose of this creation is to provide an improved structure of the bag body with the remaining part of the welding line, which is welded with an inwardly inclined first welding line on both sides where the first side surface meets the first bottom surface. The second bottom surface and the second side surface are welded by a second welding line that is inclined inward to form an improved structure of the bag body. When goods are placed in the bag, the improved structure of the bag body formed thereby is placed in the bag. When goods are loaded, because there is still a remaining portion on the outside of the weld line, the bag bottom is expanded to form a flat bottom surface when the goods are loaded, and it is not easy to be split by the weld line.

Another purpose of this creation is to provide an improved structure for the bag body, in which an inwardly inclined first weld line is formed on both sides of the first adhesive film and the first bottom surface, and a part of the remainder is cut off, and the second bottom surface Then the second weld line that is inclined in the same way as the second adhesive film and cut off part of the remaining part to form a protective sheet, thereby forming an improved structure of the bag body. When items are placed in the bag, the outside of the weld line has only a part of the remaining part The protective sheet has been formed, and the bag bottom is opened to form a flat bottom surface when the article is loaded. Except for those that are not easy to be split by the weld line, the remaining part of the bag is cut off to facilitate the expansion of the bag bottom to form a flat bottom surface.

First of all, please refer to the three-dimensional schematic diagram of the improved structure of the bag body shown in FIG. 1 and the expanded schematic diagram of the improved structure of the bag body shown in FIG. 2, which includes a first side surface 10, a second side surface 20, and a second side surface. The bottom 30 of the bag, wherein the bottom ends of the first side 10 and the second side 20 are folded inward to form a bottom 30, and the length of the first side 10 is slightly longer than the second side 20, and the bottom 30 It is composed of a bag bottom 30 of a first bottom surface 31 and a second bottom surface 32. The welding of the two sides of the first side surface 10 and the second side surface 20 to the top of the first bottom surface 31 and the second bottom surface 32 is performed on the first bottom surface 31 and the second bottom surface 32. The first side surface 10 and the first bottom surface 31 are respectively welded to the first side surface 10 and the first bottom surface 31 at the two sides where the side surface 10 and the first bottom surface 31 meet with an inwardly inclined first welding line 41, and the second bottom surface 31 and the second side surface 20 The second fusion cutting line 42 which is inclined inward is also welded to form an improved structure of the bag body. When goods are placed in the bag, the bottom of the bag can be opened to form a flat bottom surface.

The improved structure of the bag body composed of the above-mentioned ship purchased is made up of a plastic film folding diagram of the bag body as shown in Figure 3, and a schematic diagram of the bag bottom inwardly folded as shown in Figure 4, which is made of a plastic film A Fold in half to form a first side surface 10 and a second side surface 20. The bottom ends of the first side surface 10 and the second side surface 20 are folded inward to form a bag bottom 30. The bag bottom 30 is folded inward to form a first bottom surface 31 and the second bottom surface 32, please refer to the fusion cutting schematic diagram of the improved structure of the bag body shown in FIG. 5, which is to fusion-cut the two sides of the first side surface 10 and the second side surface 20 to the first bottom surface 31 and the second bottom surface 31 and the second side surface. The top end of the bottom surface 32 and the two sides where the first side surface 10 meets the first bottom surface 31 are respectively welded to the first side surface 10 and the first bottom surface 31 with an inwardly inclined first welding line 41, and the welding line 41 is welded. The remaining part of the outer side, and the second bottom surface 32 is the same as the second side surface 20, and the remaining part of the outer side of the fusion-cut line 42 is welded with the second fusion-cut line 42 inclined inward, thereby forming an improved structure of the bag body, which is packed in the bag For articles, as shown in FIG. 6 is a schematic diagram of an application embodiment of the present creation of an improved structure of the bag body. The contents are put into the bag body to support the first side surface 10, the first bottom surface 31, and the second bottom surface. 32 and the second side surface 20 can form the bottom of the bag to form a flat bottom surface, which is convenient for loading various shapes of containers, such as toast, bread and other food materials.

Furthermore, please refer to FIG. 7 which shows a three-dimensional schematic diagram of another embodiment of an improved structure of a bag body of the present invention, which is welded on both sides of the first side surface 10 and the first bottom surface 31 by an inwardly inclined first welding line 51. , And the second bottom surface 32 and the second side surface 20 are welded by a second welding line 52 inclined inwardly, and the first welding line 51 and the second welding line 52 are burnt outside with a triangle 511, 521. Such a bag body structure can form a bottom of the bag to form a flat bottom surface, which is convenient for accommodating various shapes, and when the bag has a triangular shape, it is not easy to be broken by the weld line during bagging.

Next, please refer to FIG. 8 for a three-dimensional schematic diagram of another embodiment of the improved structure of the bag body according to the present invention. After the first welding line 51 and the second welding line 52 are respectively formed as in the foregoing embodiment, a part of the first welding line is cut off. The triangular margins 511 and 521 on the outer side of the weld line 51 and the second weld line 52 make the outer sides of the first weld line 51 and the second weld line 52 form strip-shaped margins 511 ′ and 521 ′. Such a bag body structure can form a bag bottom to form a flat bottom surface, which is convenient for accommodating various shapes of accommodating objects, and when it has a small margin, the bag body structure can form a bag bottom to form a flat bottom surface when accommodating items. , And it is easy to fit into the container of various shapes, and it is not easy to be broken by the welding line. Because the outer side of the first welding line 51 and the second welding line 52 forms a small margin, the bottom of the bag is more It is flat and easy to place and display the contents.

Based on the above, this creation has indeed achieved the desired enhancement effect under the breakthrough of the previous technology and is sufficient for industrial use. Moreover, this creation application has not been published before, and it is not easy to think about by those who are familiar with the art. It is obvious that the novelty and advancement have met the requirements of patent application, and the patent application is filed in accordance with the law. The above specific embodiment is used to explain in detail the purpose, features and effects of this creation. For those who are familiar with this kind of art, according to the above description, this specific embodiment may be partially changed and modified. The essence is not Anything that deviates from the spirit of this creation should be included in the scope of patent application in this case, and it is advisable to state it first.

10, 10’: First side 20, 20’: second side 30, 30’: bottom of the bag 31, 31’: the first bottom surface 32, 32’: the second bottom surface 41: The first welding line 42: The second welding line 51: The first weld line 511, 511’: Remaining copies 52: second weld line 521, 521’: remaining

Figure 1 A three-dimensional schematic diagram of an improved structure of the bag body created by this creation Figure 2 An expanded schematic diagram of an improved structure of the bag body created by this creation Figure 3 A schematic diagram of the folding of the plastic film with an improved structure of the bag body created by this invention Figure 4 A schematic diagram of the inner folding of the bottom of the bag with an improved structure of the created bag Figure 5 Schematic diagram of the melt-cutting of the improved structure of the bag in this creation Figure 6 Schematic diagram of an application embodiment of an improved structure of the bag body created by this invention Figure 7 A three-dimensional schematic diagram of another embodiment of an improved structure of a bag body created by this invention Figure 8 A three-dimensional schematic diagram of another embodiment of an improved structure of the bag body created by this invention Figure 9 Three-dimensional schematic diagram of the improved structure of the conventional bag body

10: First side

20: second side

30: bottom of bag

31: The first bottom surface

32: second bottom

Claims (10)

An improved structure of a bag body consists of a first side surface, a second side surface and a bag bottom. The bottom ends of the first side surface and the second side surface are folded inward to form a bag bottom. The second bottom surface is formed by the bottom of the bag. The two sides of the first side surface and the second side surface are accommodated to the top ends of the first bottom surface and the second bottom surface. An inwardly inclined first welding line is welded, and the second bottom surface is welded with an inwardly inclined second welding line similarly to the second side surface, thereby forming an improved structure of the bag body. When items are placed in the bag, The bottom of the bag can be opened to form a flat bottom surface. The improved structure of the bag according to claim 1, wherein the length of the first side surface is slightly longer than that of the second side surface. The improved structure of the bag body according to claim 2, wherein the first side surface is provided with at least one perforation. The improved structure of the bag according to any one of claims 1-3, wherein the first side surface and the two sides of the first bottom surface are respectively welded by a first welding line inclined inward, and the second bottom surface is welded to the The second side also has a second weld line inclined inward. According to claim 4, the improved structure of the bag body, wherein the first welding line and the second welding line are extended with strips. An improved structure of a bag body. A plastic film is folded in half to form a first side surface and a second side surface. The bottom ends of the first side surface and the second side surface are folded inward to form a first bottom surface and a second bottom surface. For the bottom of the bag, the two sides of the first side and the second side are melt-cut to the top of the first and second bottom surfaces, and an inwardly inclined first is provided on both sides of the junction of the first side and the first bottom. A welding line welds the first side surface and the first bottom surface, and the second bottom surface is the same as the second side surface In this way, an inwardly inclined second welding line is used to weld, thereby forming an improved structure of the bag body. When the bag is loaded with the article, the bag bottom is opened due to the loaded article to form a flat bottom surface. The improved structure of the bag body according to claim 6, wherein the length of the first side surface is slightly longer than that of the second side surface. The improved structure of the bag according to claim 7, wherein the first side surface is provided with at least one perforation. The improved structure of the bag according to any one of claims 6-8, wherein the first side surface and the two sides of the first bottom surface are respectively welded by a first welding line inclined inward, and the second bottom surface is welded to the The second side surface is also welded by a second welding line inclined inward. The improved structure of the bag body according to claim 9, wherein a portion of the triangular excess outside the first welding line and the second welding line is cut off to form a strip-shaped excess.

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