KR100385734B1 - Vinyl bag and manufacturing method thereof - Google Patents

Abstract

The present invention relates to a vinyl bag and a method of manufacturing the same, wherein the rounding vinyl sheet 110 and the first and second side vinyl sheets 121 and 122 are fused to each other while the coupling member 130 for maintaining the storage space as a whole. The closed ring-shaped ring piece 131 and the adhesive piece 132 can be made to further simplify the manufacturing process of the vinyl bag 100 and is an invention that can ensure the excellent quality of the vinyl bag 100 itself.

Description

Vinyl bag and its manufacturing method {VINYL BAG AND MANUFACTURING METHOD THEREOF}

The present invention relates to a vinyl bag and a method of manufacturing the same, and more particularly, a ring-shaped ring member which is entirely closed by a coupling member for maintaining a storage space while fusion bonding a rounding vinyl sheet and a first and second side vinyl sheet to each other. The present invention relates to a vinyl bag and a method of manufacturing the same, which can be made of a ring piece and an adhesive piece to further simplify the manufacturing process of the vinyl bag and ensure the excellent quality of the vinyl bag itself.

In general, a bag is an item that can be carried in a wide range of items, from small suitcases that a person carries to a body, to suitcases that are big enough to carry, and can be classified into various types, uses, and materials. have.

For example, a bag may be a purse or purse that fits in a purse or purse, depending on the intended use, a rectangular shoulder bag with a handle on each side, or a travel bag or backpack. It can be divided into, depending on the material can be roughly divided into natural leather bags, artificial fiber bags, synthetic fiber bags and vinyl bags.

In particular, in recent years, it is possible to feel cool in the hot summer season, to store the small and simple items for a limited time, easier to manufacture and more affordable vinyl bags have been proposed.

Vinyl is a generic term for vinyl compounds and refers to vinyl resins obtained by polymerization of vinyl chloride, etc., which are obtained by addition polymerization (vinyl polymerization) of a raw material (vinyl monomer) having a vinyl group CH ₂ = CH-. And various kinds such as polyethylene, polyvinyl chloride, polyvinyl acetate, polyacrylic acid, methyl polyacrylate, and polyacrylonitrile.

Since vinyl is water resistant and can be easily bonded by high frequency fusion, it is frequently used as a fabric for manufacturing a vinyl bag.

1 is a perspective view including a partially enlarged view showing a transparent vinyl bag 10 according to the prior art, showing a shape providing a storage space with a zipper 13a. Since vinyl is flexible in its characteristics, it is possible to firmly hold the adhesive portions of the first and second side vinyl sheets 11 and 12 to store a plurality of articles while at least maintaining the frame of the storage space. Should be

Accordingly, as shown in FIG. 1, the vinyl bag 10 according to the related art has a rounded vinyl sheet 13 in which the first side vinyl sheet 11 and the second side vinyl sheet 12 determine the width of the storage space. A high frequency fusion is carried out with an strip-shaped piece 14 interposed therebetween to realize a box shape.

Here, the strip-shaped piece 14 is bonded to both corners of the vinyl bag 10 to maintain the storage space while fusion bonding the first and second side vinyl sheets 11 and 12 and the rounded vinyl sheet 13 to each other. In the case of subdivision, it can be divided into the adhesive piece 14c and the ring piece 14a, and the ring piece 14a is provided with a ring hole 14b and is rounded at both ends thereof to be integrated in a ring shape. The connecting pin 15 embedded with the adhesive (not shown) is inserted to complete the rounded vinyl sheet 13 that determines the width of the vinyl bag 10.

The manufacturing method of the vinyl bag 10 according to the related art having such a configuration will be described in more detail with reference to FIGS. 2A to 2F as follows.

First, as shown in FIG. 2A, as a basic step for completing the vinyl bag 10, the band piece 14 having an unlimited length is composed of a ring piece 14a having a ring hole 14b and an adhesive piece 14c. ) And then cut the strip piece 14 having a length standardized to the size of the plastic bag 10 as shown in Figure 2b (S2).

Then, as shown in FIG. 2C, two bands of band-shaped pieces 14 are fused at both ends of the rounded vinyl sheet 13 with the zipper 13a (S3), and the adhesive as shown in FIG. After the connecting pin 15, which is covered with water, is inserted into one end of the ring hole 14b (S4), as shown in FIG. 2E, the rounded vinyl sheet 13 is folded in the longitudinal direction to form a ring hole ( The rest of the connecting pin 15 fitted to one end of 14b) is inserted into the other end of the ring hole 14b to complete the round shape of the rounded vinyl sheet 13 (S5).

Subsequently, as shown in FIG. 2F, the first side vinyl sheet 11 and the second side vinyl sheet 12 are subjected to high frequency fusion with the rounded vinyl sheet 13 interposed therebetween (S6), and then the zipper 13a is removed. By flipping the center as a whole it is possible to implement the desired desired plastic bag 10 as shown in FIG.

However, the vinyl bag 10 according to the related art having the above-described configuration and process keeps the storage space while fusion bonding the rounded vinyl sheet 13 and the first and second side vinyl sheets 11 and 12 to each other. In order to complete the shape of the vinyl bag 10, the strip-shaped piece 14 requires a ring hole 14b or a connection pin 15 with adhesive, and the manufacturing process is complex and difficult to produce. And not only the workability is greatly reduced, but also the connection portion of the strip-shaped piece 14 is easily dropped or separated has a disadvantage of poor productability.

The present invention has been made in order to solve the above problems, the purpose of the first and second side vinyl sheet and the rounded vinyl sheet fusion bonding member for maintaining the storage space as a whole as a whole The present invention provides a vinyl bag and a method of manufacturing the same, which can be manufactured by using closed ring pieces and adhesive pieces to further simplify the manufacturing process of the vinyl bag and ensure the excellent quality of the vinyl bag itself.

1 is a perspective view including a partially enlarged view showing a transparent vinyl bag according to the prior art.

2a to 2f is a process chart for explaining the manufacturing method of the vinyl bag according to the prior art.

Figure 3 is a perspective view of a vinyl bag according to the present invention.

Figures 4a to 4d is a process chart for explaining the manufacturing method of the vinyl bag according to the present invention.

Explanation of symbols on the main parts of the drawings

Description of Codes According to the Prior Art

10 vinyl bag 11: first side vinyl sheet

12: second side vinyl sheet 13: rounding vinyl sheet

13a: zipper 14: strip type

14a: ring piece 14b: ring hole

14c: adhesive piece 15: connecting pin

S1: Band-shaped piece manufacturing step S2: Band-shaped piece cutting step

S3: High frequency fusion step of rounded vinyl sheet and strip type

S4: Insertion pin insertion step S5: Rounding vinyl sheet completion step

S6: high frequency fusion step of the rounded vinyl sheet and the first and second side vinyl sheets

* Explanation of the Symbols According to the Invention *

100: vinyl bag 110: rounded vinyl sheet

111: opening and closing part 121: the first side vinyl sheet

122: second side vinyl sheet 130: coupling member

131: ring piece 132: adhesive piece

S10: mass production stage of the coupling member

S20: high frequency fusion step of the coupling member and the first and second side vinyl sheets

S30: Rounding vinyl sheet completion stage

S40: high frequency fusion step of the rounded vinyl sheet and the first and second side vinyl sheets

The present invention for achieving the above object,

In the vinyl bag comprising a rounded vinyl sheet for determining the width of the storage space, and the first side vinyl sheet and the second side vinyl sheet which is fused at both ends of the rounded vinyl sheet with a coupling member interposed therebetween,

The coupling member has a thickness for maintaining the frame of the storage space and extends from the ring piece so as to allow high frequency fusion of the first and second side vinyl sheets at both ends of the ring-shaped ring piece and the rounded vinyl sheet. It is a basic feature of the technical configuration that includes a closed adhesive ring as a whole.

The present invention for achieving the above object,

Mass-producing a ring member of the annular ring piece which is closed entirely, and the coupling member which consists of the annular adhesive piece which is extended from the ring piece and closed entirely;

High frequency welding each of the first side vinyl sheet and the second side vinyl sheet on the adhesive piece of the coupling member;

High frequency fusion of the rounded vinyl sheet provided with the opening and closing in a longitudinal circle;

A high frequency fusion bonding of the first side vinyl sheet and the second side vinyl sheet to both ends of the rounded vinyl sheet is a basic feature of the technical method.

Hereinafter, a preferred embodiment of a vinyl bag according to the present invention and a manufacturing method thereof will be described with reference to FIGS. 3 to 4, and a plurality of embodiments may exist, and the objects and features of the present invention may be obtained through such embodiments. And advantages will be better understood, and the technical spirit of the present invention is defined by the claims.

Figure 3 is a perspective view showing a vinyl bag 100 according to the present invention showing a transparent state as an embodiment, between the coupling member 130 between both ends of the rounded vinyl sheet 110 to determine the width of the storage space The shape including the first side vinyl sheet 121 and the second side vinyl sheet 122 which are fused at high frequency is shown.

The coupling member 130 has a thickness for maintaining the frame of the storage space, and has an annular ring piece 131 that is entirely closed, and an annular adhesive piece that is extended from the ring piece 131 and completely closed. 132).

Since the ring piece 131 has a thickness for maintaining the frame of the storage space, it is possible to solve the difficulty in providing the ring hole 14b, which is mentioned in the related art, and the coupling member 130 itself is closed. It is made of a ring shape can solve the separation phenomenon that is considered in terms of the hassle and quality of having to insert a separate connection pin 15 described in the prior art.

That is, the vinyl bag 10 according to the related art compared with the present invention has to round the strip-shaped piece 14 only by inserting the connection pin 15 with the adhesive into the ring hole 14b as shown in FIG. 1. Although it is possible, the vinyl bag 100 according to the present invention, as shown in Figure 8 is made of a ring-shaped closed coupling member 130 as a whole separate member such as a conventional adhesive or connecting pin 15 is Not only is it unnecessary, but the additional work process can be omitted, resulting in a very good productivity and quality of the product.

Thus, the production method of the vinyl bag according to the present invention excellent in terms of productivity and quality in more detail as follows.

First, as shown in Figure 4a as a basic step for completing the vinyl bag 100 according to the present invention, the annular ring piece 131, which is entirely closed, and the annular ring that is entirely closed, extending from the ring piece 131. After mass-producing the coupling member 130 made of the adhesive piece 132 (S10), the first side vinyl sheet 121 and the second side on the adhesive piece 132 of the coupling member 130 as shown in Figure 4b High-frequency fusion of the side vinyl sheet 122, respectively, to complete the side of the vinyl bag 100 (S20).

Then, as shown in FIG. 4C, after the high-frequency fusion of the rounded vinyl sheet 110 provided with the opening and closing portion 111 in a longitudinal direction (S30), the first side vinyl is shown at both ends thereof as shown in FIG. 4D. High frequency fusion of the sheet 121 and the second side vinyl sheet 122, respectively (S40) to turn around the opening and closing portion 111 to complete the desired desired vinyl bag 100 as shown in FIG. It becomes possible.

At this time, the opening and closing portion 111 may employ a general zipper or button, the position is not limited to the rounded vinyl sheet 110 as in the embodiment of the present invention, the first side vinyl sheet 121 and the second side Of course, it can be made in any one or each of the vinyl sheet 122.

According to the vinyl bag and the manufacturing method according to the present invention as described above, the bonding member for maintaining the storage space while fusion bonding the rounded vinyl sheet 110 and the first, second side vinyl sheets (121, 122) ( 130 is a ring-shaped ring piece 131 and the adhesive piece 132 closed as a whole can further simplify the manufacturing process of the vinyl bag 100 and excellent quality that can ensure the excellent quality of the vinyl bag 100 itself It works.

That is, since the ring piece 131 of the coupling member 130 has a thickness for maintaining the frame of the storage space, it is possible to solve the difficulty in providing the ring hole 14b, which is mentioned in the related art, and the coupling member. (130) It is made of a closed ring itself as a whole can eliminate the inconvenience of having to insert a separate connecting pin (15) described in the related art and the separation phenomena considered in terms of product productivity and It is an invention that can greatly improve quality and the like.

Claims (2)

Rounded vinyl sheet 110 for determining the width of the storage space, and the first side vinyl sheet 121 and the second side vinyl which is fused at high frequency with the coupling member 130 between both ends of the rounded vinyl sheet 110 In the vinyl bag 100 including a sheet 122, The coupling member 130 has a thickness for maintaining the frame of the storage space, and has a ring-shaped ring piece 131 that is entirely closed, and the first and second side vinyl sheets at both ends of the rounded vinyl sheet 110. Vinyl bag (100), characterized in that it comprises a ring-shaped adhesive piece 132 extending from the ring piece 131 and closed as a whole so as to allow high-frequency fusion (121, 122). Mass-producing a ring member 131 that is entirely closed and a coupling member 130 that is extended from the ring piece 131 and is formed of an annular adhesive piece 132 that is completely closed (S10); High frequency fusion welding of the first side vinyl sheet 121 and the second side vinyl sheet 122 on the adhesive piece 132 of the coupling member 130 (S20), A high frequency fusion of the rounded vinyl sheet 110 provided with the opening and closing portion 111 in a longitudinal direction (S30); Method of manufacturing a vinyl bag comprising the step (S40) of high frequency fusion of the first side vinyl sheet (121) and the second side vinyl sheet (122), respectively, on both ends of the rounded vinyl sheet (110).