CN218617999U

CN218617999U - Hand-held hard bottom paper bag

Info

Publication number: CN218617999U
Application number: CN202223181971.XU
Authority: CN
Inventors: 朱佳佳
Original assignee: Kunshan Jinhongkai Packaging Co ltd
Current assignee: Kunshan Jinhongkai Packaging Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-03-14
Anticipated expiration: 2032-11-29

Abstract

The utility model discloses a hand-held hard bottom paper bag, which comprises a paper bag, an upper opening, a circle of the paper bag is formed by sequentially and vertically connecting four pieces of rectangular paper, the bottom edges of the rectangular paper are jointly connected with a piece of bottom paper, and the bottom paper is square; the junction of adjacent rectangular paper forms a vertical ridge; the inner wall and the outer wall of the rectangular paper are both provided with double-sided adhesive tapes adjacent to the vertical ridge; the bottom plate is a corrugated board formed by three layers of cardboard paper and two layers of corrugated paper at intervals alternately, the bottom plate is in contact with the upper surface of the bottom paper, and the shape of the bottom plate is circular; the diameter of the bottom plate is not more than the side length of the bottom paper; the bending of the container bag of vertical crest line department and constitute three-layer folding portion, be equipped with two-sided adhesive tape that bond in every three-layer folding portion. Adopt this utility model to let the cuboid container bag plastic of tradition manufacturing be cylindrical container bag, and vertical more stiff and smooth, the bottom is also to strengthening, is difficult for breaking, suitably holds and bears the weight of the granular material of big quality.

Description

Hand-held hard bottom paper bag

Technical Field

The utility model relates to a shopping container bag field, concretely relates to hand-held formula hard bottom container bag.

Background

Paper bags are a large consumer of fast-moving goods and retail markets. Most paper bags are hand-held paper bags, and a small part of paper bags are bottom-supporting hand-held paper bags, the hand-held paper bags are not provided with handles, the contents of the paper bags are large in quality, and the paper bags are easy to break by the same large-quality contents, so that the research direction of related subdivision industries is always directed on how to ensure the bearing capacity of the hand-held paper bags at a certain cost.

SUMMERY OF THE UTILITY MODEL

The to-be-solved problem of the utility model is to provide a formula hard end container bag holds in hands lets the cuboid container bag plastic of tradition manufacturing be cylindrical container bag, and is vertical stiff and more stiff and smooth, and the bottom is also to strengthening, is difficult for breaking, suitably holds and bears the graininess article of big quality.

In order to solve the above problems, the utility model provides a hand-rod hard-bottom paper bag, in order to achieve the above purpose, the utility model provides a technical scheme that its technical problem adopted is:

a hand-held hard-bottom paper bag comprising: the paper bag comprises an upper opening, and in a stretched state, a circle of the paper bag is formed by sequentially and vertically connecting four pieces of rectangular paper, the bottom edges of the rectangular paper are jointly connected with a piece of bottom paper, and the bottom paper is square; the junction of adjacent rectangular paper forms a vertical ridge; the inner wall and the outer wall of the rectangular paper are both provided with double-sided adhesive tapes adjacent to the vertical ridge; the bottom plate is a corrugated board formed by three layers of cardboard paper and two layers of corrugated paper at intervals alternately, the bottom plate is contacted with the upper surface of the bottom paper, and the shape of the bottom plate is circular; the diameter of the bottom plate is not more than the side length of the bottom paper; under fold condition, the bending of the paper bag at the vertical ridge line forms three-layer folding parts, and two double-sided adhesive tapes are bonded in each three-layer folding part.

The beneficial effect of adopting above-mentioned technical scheme is: the technical scheme is suitable for storing a large number of granular articles. The three-layer folding part enables the original cuboid paper bag to be shaped into an approximately cylindrical shape, so that the paper bag is suitable for wrapping and bearing a large number of granular articles; the double-sided adhesive tape firmly bonds the three-layer folding part, namely, a local paper bag is thickened, the vertical size of the paper bag is ensured, the paper bag is more stiff and smooth vertically, and the paper bag cannot fall down randomly; thirdly, as corrugated container board's bottom plate, possess sufficient bending strength, the bottom plate is put in the container bag bottom, can hold a large amount of granular article, avoids the bottom paper of container bag to be pressed sunken and tear.

As a further improvement, the utility model has two double-sided adhesive tapes adjacent to the same vertical ridge, and the double-sided adhesive tapes respectively comprise an outer adhesive tape bonded with the outer wall of the rectangular paper and an inner adhesive tape bonded with the inner wall of the rectangular paper.

The beneficial effect of adopting above-mentioned technical scheme is: the three-layer folding part which is firmly bonded can be obtained only by the combined action of the outer adhesive tape and the inner adhesive tape.

As a further improvement of the utility model, the double-sided adhesive tape is a foam double-sided adhesive tape.

The beneficial effect of adopting above-mentioned technical scheme is: the thickness of the two-sided adhesive tape of bubble cotton is generally thicker, can let three-layer folding portion more stiff and more smooth.

As a further improvement, the three-layer folding part forms a convex external corner edge along the horizontal direction on the outer wall of the paper bag, and the convex direction of all the external corner edges is clockwise or counterclockwise.

The beneficial effect of adopting above-mentioned technical scheme is: this ensures that the folding of the sides of the bag is substantially uniform to avoid uneven structural strength at one location.

As a further improvement of the utility model, the juncture of the two pieces of rectangular paper and the bottom paper has the turning angle which turns upwards, and the turning angle covers the bottom of the three-layer folding part.

The beneficial effect of adopting above-mentioned technical scheme is: because the juncture of two rectangular papers and bottom paper can come out more naturally, so turn over the back firstly reduced the volume, secondly play certain parcel limiting displacement to the bottom of three-layer folding portion.

As a further improvement of the utility model, the diameter of the bottom plate is equal to the side length of the bottom paper.

The beneficial effect of adopting above-mentioned technical scheme is: the part of the bottom paper which is not covered by the bottom plate is just the part which needs to be folded and folded.

As a further improvement, the paper bag, the box board paper and the corrugated paper are kraft paper with equal thickness.

The beneficial effect of adopting above-mentioned technical scheme is: the same paper specification is convenient for field processing.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is an exploded view of one embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of an embodiment of the present invention at A;

FIG. 3 is a perspective view of an embodiment of the present invention;

fig. 4 is a schematic application diagram of an embodiment of the present invention.

1-paper bag; 1 a-vertical ridge; 1 b-upper opening; 1 c-rectangular paper; 2-a bottom plate; 2 a-boxboard; 2 b-corrugated paper; 3-double-sided adhesive tape; 3 a-an outer adhesive tape; 3 b-inner rubber strip; 4-a triple overlap; 5-turning over a folded angle; 6-granules; 7-arm.

Detailed Description

The following detailed description is made in conjunction with specific embodiments of the present invention:

in order to achieve the object of the present invention, a hand-held hard bottom paper bag comprises: the paper bag 1 comprises an upper opening 1b, in a stretched state, a circle of the paper bag 1 is formed by sequentially and vertically connecting four pieces of rectangular paper 1c, the bottom edges of the rectangular paper 1c are connected with a piece of bottom paper together, and the bottom paper is square; the vertical ridge 1a is formed at the junction of the adjacent rectangular paper 1 c; the inner wall and the outer wall of the rectangular paper 1c are both provided with double-sided adhesive tapes 3 adjacent to the vertical ridge 1a; the bottom board 2 is a corrugated board formed by three layers of box board paper 2a and two layers of corrugated paper 2b alternately at intervals as shown in fig. 2, the bottom board 2 is in contact with the upper surface of the bottom board, and the bottom board 2 is circular; the diameter of the bottom plate 2 is not more than the side length of the bottom paper; under fold condition, the bending of the paper bag 1 at the vertical ridge line 1a forms three-layer folding parts 4, and two-sided adhesive tapes 3 for bonding are arranged in each three-layer folding part 4.

Fig. 4 shows a typical application of the product, in which two arms 7 of a person hold the bottom of a paper bag 1, and a large amount of particulate matter 6 is stored in the paper bag 1. As the product is particularly suitable for storing particulate matter 6 such as grains, nuts and the like.

The beneficial effect of adopting above-mentioned technical scheme is: the technical scheme is suitable for storing a large number of granular articles. The three-layer folding part enables the original cuboid paper bag to be shaped into an approximately cylindrical shape, so that the paper bag is suitable for wrapping and bearing a large number of granular articles; the double-sided adhesive tape firmly bonds the three-layer folding part, namely, a local paper bag is thickened, the vertical size of the paper bag is ensured, the paper bag is more stiff and smooth vertically, and the paper bag cannot fall down randomly; and the bottom plate is placed at the bottom of the paper bag, can support a large amount of granular articles, and avoids the situation that the bottom paper of the paper bag is depressed, sunken and torn.

In other embodiments of the present invention, as shown in fig. 1, two double-sided adhesive tapes 3 are adjacent to the same vertical ridge 1a, and respectively include an outer adhesive tape 3a bonded to the outer wall of the rectangular paper 1c, and an inner adhesive tape 3b bonded to the inner wall of the rectangular paper 1 c.

In other embodiments of the present invention, the double-sided adhesive tape 3 is a foam double-sided adhesive tape.

The thickness of the foam double-sided adhesive tape is at least five times of that of the paper bag 1.

In other embodiments of the present invention, the three-layer folding portion 4 forms a convex external corner edge along the horizontal direction on the outer wall of the paper bag 1, as shown in fig. 3, the convex direction of all the external corner edges is clockwise or counterclockwise.

The beneficial effect of adopting above-mentioned technical scheme is: this ensures that the sides of the bag are substantially uniformly folded to avoid uneven structural strength at one location.

In other embodiments of the present invention, the junction between the two rectangular sheets of paper 1c and the bottom sheet of paper has the turning-over corner 5, and the turning-over corner 5 covers the bottom of the three-layer folding portion 4.

The beneficial effect of adopting above-mentioned technical scheme is: because the juncture of two rectangular papers and bottom paper can be more out naturally, so the volume has been reduced to the back of turning up, secondly plays certain parcel limiting displacement to the bottom of three-layer folding portion.

In other embodiments of the invention, the diameter of the bottom plate 2 is equal to the side length of the bottom paper.

In other embodiments of the present invention, the paper bag 1, the cardboard paper 2a, and the corrugated paper 2b are kraft paper with equal thickness.

The configuration of fig. 1 is very different from that of fig. 3, since fig. 1 is similar to the semi-finished state, and fig. 3 is the actual mode in use. Fig. 3 shows a state after the three-dimensional bending.

Fig. 3 shows the approximate position of the base 2 in the paper bag 1 by a broken line.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and the protection scope of the present invention can not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. A hand-held hard bottom paper bag, comprising:

the paper bag comprises an upper opening, under a stretched state, a circle of the paper bag is formed by sequentially and vertically connecting four pieces of rectangular paper, the bottom edges of the rectangular paper are connected with a piece of bottom paper, and the bottom paper is square; the junction of adjacent rectangular papers forms a vertical ridge; the inner wall and the outer wall of the rectangular paper are both provided with double-sided adhesive tapes adjacent to the vertical ridge;

the bottom plate is a corrugated board formed by alternately arranging three layers of box board paper and two layers of corrugated paper, the bottom plate is in contact with the upper surface of the bottom paper, and the shape of the bottom plate is circular;

the diameter of the bottom plate is not more than the side length of the bottom paper; under fold condition, the bending of the container bag department of vertical crest line constitutes three-layer folding portion, possesses two-sided adhesive tape that bond in every three-layer folding portion.

2. The hand-held hard bottom paper bag according to claim 1, wherein: two double-sided adhesive tapes are adjacent to the same vertical ridge line, and the double-sided adhesive tape respectively comprises an outer adhesive tape bonded with the outer wall of the rectangular paper and an inner adhesive tape bonded with the inner wall of the rectangular paper.

3. The hand-held rigid-bottom paper bag according to claim 1, characterized in that: the double-sided adhesive tape is a foam double-sided adhesive tape.

4. The hand-held hard bottom paper bag according to claim 1, wherein: the three-layer folding parts form convex external corner edges along the horizontal direction on the outer wall of the paper bag, and the convex directions of all the external corner edges are clockwise or anticlockwise.

5. The hand-held hard bottom paper bag according to claim 1, wherein: the junction of the two pieces of rectangular paper and the bottom paper is provided with an upturned folded angle which covers the bottom of the three-layer folding part.

6. The hand-held hard bottom paper bag according to claim 1, wherein: the diameter of the bottom plate is equal to the side length of the bottom paper.

7. The hand-held rigid-bottom paper bag according to claim 1, characterized in that: the paper bag, the boxboard paper and the corrugated paper are kraft paper with equal thickness.