KR102544380B1 - How to attach slider and handle for zipper and the zipper produced by this - Google Patents

Abstract

The present invention relates to a method of attaching a slider and a handle for a zipper, comprising: a fixing step of fixing a plurality of sliders to a middle mold of a mold composed of an upper mold, the middle mold, and a lower mold; a mounting step of positioning the middle mold between the upper mold and the lower mold; a supply step of inserting a molten resin through a first sprue by an insertion unit approaching to an upper surface of the upper mold; a molding step of molding a handle injection having a handle by allowing the molten resin supplied from the first sprue of the supply step to flow through a second sprue of the middle mold into the lower mold, and connecting the handle to the slider of a zipper; a curing step of slowly cooling and solidifying the handle injection having the handle; a cutting step of cutting off the handle of the handle injection solidified in the curing step; and a finishing step of removing the slider of molding step from the middle mold to form the zipper. According to the present invention, the handle to be attached to the slider of the zipper can be manufactured through an injection method and easily integrated with the slider, thereby promoting the simplicity of the product and the simplicity of the work process, achieving a virtuous cycle of the manufacturing process due to improved work efficiency with reduced manufacturing costs due to mass production by shortening the work time and increasing the production, and reducing the burden on consumers by reducing the product price as efficient responses to zipper customers become possible.

Description

Attachment method of slider and handle for zipper and zipper produced thereby {How to attach slider and handle for zipper and the zipper produced by this }

The present invention relates to a method of fastening a slider and a handle for a zipper and to a zipper manufactured thereby, and more specifically, by manufacturing a handle to be attached to a slider of a zipper through an injection method, etc., and then easily integrating the slider with the slider, Simplicity and the simplicity of the work process are promoted, and through mass production through reduction of working time and increased production, it is possible to achieve a virtuous cycle in the manufacturing process by reducing manufacturing cost and improving work efficiency, as well as efficient As the response becomes possible, it relates to a method of binding a slider and a handle for a zipper that can relieve even the consumer's burden due to a drop in product price, and a zipper manufactured thereby.

In general, zippers are used in various fields such as bags, tents, clothing, shoes, and automobiles. These zippers are widely used not only in the clothing industry but also in other industries as a configuration capable of opening and closing. am. Such a zipper allows a plurality of zipper teeth to be engaged with each other through a slider, and a handle is attached to the slider so that it can be gripped by hand and at the same time freely opened and closed. However, in the process of mounting the handle to be attached to the slider, most of them rely on manual work, which significantly reduces workability and decreases production volume, which is a factor in increasing prices, and its development is urgently needed.

For example, according to Korean Patent Publication No. 2016-21482 (Prior Document 1), 'parts of both sides of the zipper handle in a zipper handle that is attached to the top of a slide of a zipper that engages or separates those adhered to both strips and moves the slide. Alternatively, a 'zipper handle' characterized in that it includes a fixing part protruding a predetermined distance from the whole is proposed.

However, since the zipper handle of Prior Document 1 requires a separate device to fix the handle to the slider, workability is significantly reduced, and the price increase due to this is a factor that acts as a burden.

As another example, according to Korean Utility Model Registration No. 456626 (Prior Document 2), 'a loop-shaped zipper formed by fixing both ends of a string 11 of a certain length to the inside of a fixture 21 made of synthetic resin material In the auxiliary handle 10, the ends of the left and right straps 11 embedded and fixed inside the synthetic resin fixture 21 are attached to each other, but a hole 12 is formed in the center of the attachment portion, and the fixture ( 21) to insert the synthetic resin material so that the fastener 21 and the ends of the left and right straps 11 are firmly fixed. 'A zipper auxiliary handle' is proposed.

However, in the case of the zipper auxiliary handle of Prior Document 2, difficulties in operation may occur due to the strap being installed in an inserted state, and a problem in that the bearing capacity may be greatly reduced may occur.

As another example, according to Korean Utility Model Registration No. 316498 (Prior Document 3), 'two fiber parts and the two fibers having teeth arranged at one corner at a predetermined size and at a predetermined interval and arranged to face each other. A zipper device composed of a zipper device body coupling parts to each other, wherein the zipper device body includes a handle for facilitating pulling or retracting the zipper device body, and a connecting portion for connecting the zipper device body and the handle; , The zipper device 'is characterized in that the connecting portion is formed at the front edge of the main body of the zipper device'.

However, the zipper device of Prior Document 3 has a problem in that it is formed through a complicated work process because it is difficult to mount and fix the handle and cannot be formed manually.

Korean Patent Publication No. 2016-0021482 "Zipper handle" Korea Registered Utility Model No. 0456626 "Zipper Auxiliary Handle" Korean Utility Model Registration No. 0316498 "Zipper Device"

The purpose of the present invention for fundamentally improving the above conventional problems is to manufacture a handle to be attached to a slider of a zipper through an injection method and then easily integrate with the slider, thereby simplifying the product and the simplicity of the work process. On the other hand, it is possible to achieve a virtuous cycle in the manufacturing process by reducing manufacturing costs and improving work efficiency through mass production due to reduction of working time and increased production, as well as efficient response to zipper orderers. It is an object of the present invention to provide a method of binding a slider and a handle for a zipper that can relieve even the burden of consumers due to a price drop, and a zipper manufactured thereby.

In order to achieve the above object, the present invention provides a method for attaching a zipper slider and a handle: a fixing step of attaching a plurality of slides to a middle mold among molds composed of an upper mold, a middle mold, and a lower mold; A seating step of positioning the middle mold of the fixing step between the upper mold and the lower mold; a supplying step of injecting molten resin through a first sprue through an input unit approaching the upper surface of the upper mold; a molding step in which the molten resin supplied from the first sprue of the supplying step is connected to the lower mold through the second sprue of the middle mold to form an injection-molded handle and then fasten the handle on the slide of the zipper; A curing step of solidifying the injection-molded product of the molding step while slowly cooling it for a certain period of time; A cutting step of cutting off the handle on the handle injection molding solidified in the curing step; And it is characterized in that it comprises a completion step of forming a zipper by separating the slide of the molding step from the medium-sized mold.

At this time, the fixing step according to the present invention is characterized by having a seating groove in which the slide is seated so that a plurality of slide ring parts can be fixed to the medium-sized mold, and a fixing groove in which the ring part is installed and fixed on the seating groove.

In addition, in the molding step according to the present invention, in a state where the molten resin is accommodated in the molding groove of the lower mold through the second sprue of the medium mold, a plurality of injection-molded handles are molded, and then the handles are connected and bound on the slide of the zipper. to be characterized

And the cutting step according to the present invention is characterized in that the handle is cut off using the cured handle injection molding using a cutting unit.

In addition, by using the method of fastening the zipper slider and the handle of claim 1 above, a plurality of slide hooks are fixed to the middle mold among the molds composed of the upper mold, the middle mold, and the lower mold, and the middle mold is attached to the upper mold and the lower mold. Then, the injection part close to the upper surface of the upper mold injects molten resin through the first sprue, and the supplied molten resin leads to the lower mold through the second sprue of the middle mold, so that the handle injection molding After molding, the handle is connected and bound on the slide of the zipper, the handle injection product is cooled slowly for a certain period of time to harden, and then the handle is cut on the handle injection product and the slide is separated from the medium-sized mold to connect and bind the slide and handle to each other. It is characterized by completing the zipper.

On the other hand, prior to this, the terms or words used in this specification and claims should not be construed as being limited to ordinary or dictionary meanings, and the inventors use the concept of terms to explain their invention in the best way. Based on the principle that it can be properly defined, it should be interpreted as meaning and concept consistent with the technical spirit of the present invention. Therefore, the embodiments described in this specification and the configurations shown in the drawings are only one of the most preferred embodiments of the present invention, and do not represent all of the technical ideas of the present invention, so various alternatives can be made at the time of this application. It should be understood that there may be equivalents and variations.

According to the present invention, the handle to be attached to the slider of the zipper is manufactured through an injection method and then easily integrated with the slider to promote simplicity of the product and work process, while reducing working time and increasing production Through mass production, it is possible to achieve a virtuous cycle in the manufacturing process by reducing manufacturing costs and improving work efficiency, as well as reducing the burden on consumers caused by product price declines as it becomes possible to respond efficiently to zipper orderers. provide an effect.

1 is a block diagram sequentially showing a method of fastening a slider and a handle for a zipper according to the present invention.
2a to 2c are perspective views of a mold showing a method of fastening a slider and a handle for a zipper according to the present invention;
3a to 3h are perspective views sequentially showing a method of coupling a slider and a handle for a zipper according to the present invention;
Figure 4 is a perspective view of the zipper completed by the binding method of the zipper slider and the handle according to the present invention
5 is a front view of a used state of a zipper completed by the method of fastening a slider and a handle for a zipper according to the present invention;

Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to the accompanying drawings.

The present invention relates to a method for fastening a zipper slider and a handle so that a zipper slide and a handle are coupled to each other, and includes a fixing step (S10), a seating step (S20), a supply step (S30), a forming step (S40), and curing. Step (S50), cutting step (S60), completion step (S70), etc. are the main components.

In the fixing step (S10) according to the present invention, a plurality of slides 2 are fixed to the middle mold 30 among the molds 10 composed of the upper mold 20, the middle mold 30, and the lower mold 40. In the fixing step (S10), the operator fixes the plurality of slides 2 to the medium mold 30 one by one. The upper mold 20, the middle mold 30, and the lower mold 40 constituting the mold 10 are sequentially stacked from top to bottom.

At this time, the fixing step (S10) is performed on the mounting groove 32 in which the slide 2 is mounted so that the hook portion 2a of the plurality of slides 2 is fixed to the medium-sized mold 30, and the mounting groove 32 It is characterized in that it is provided with a fixing groove 33 to which the ring portion 2a is installed and fixed. In the fixing step (S10), a plurality of seating grooves 32 and fixing grooves 33 are formed so as to correspond to each other on both sides of the medium mold 30, and the rings of the slide 2 are attached to these fixing grooves 33. By mounting the part (2a) to prevent separation, the slide (2) is easily and safely seated in the seating groove (32).

In addition, in the seating step (S20) according to the present invention, the middle mold (30) of the fixing step (S10) is positioned between the upper mold (20) and the lower mold (40). In the above-described fixing step (S10), in a state in which a plurality of slides 2 are mounted in the seating groove 32 and the fixing groove 33 of the medium mold 30, the medium mold 30 is connected to the upper mold mold 20 It is located between the lower mold 40, and at this time, the slide 2 is turned upside down and the ring part 2a is mounted in the direction of the lower mold 40, which is the lower direction. When the ring part 2a is mounted in the fixing groove 33 in the direction of the lower mold 40, the resin material is accommodated in the molding groove 41 of the lower mold 40 to form the handle 3. be able to

In addition, in the supplying step (S30) according to the present invention, the injection unit 50, which is close to the upper surface of the upper die mold 20 in the seating step (S20), injects the molten resin through the first sprue 21. In the supplying step (S30), the upper mold 20, the middle mold 30, and the lower mold 40 are sequentially stacked, and the upper mold 20 approaches the first sprue 21 formed on the upper surface of the mold 20. Molten resin is injected through the inlet 50. That is, the injection unit 50, which can flow up and down, moves and approaches the first sprue 21 of the upper mold 20, thereby injecting the molten resin.

Meanwhile, in the molding step (S40) according to the present invention, the molten resin supplied from the first sprue 21 of the supply step (S30) passes through the second sprue 31 of the middle mold 30 to form a lower mold 40. After molding the handle injection molding 60 having the handle 3 formed thereon, the handle 3 is connected and bound to the slide 2 of the zipper 1. In the molding step (S40), when the input unit 50 moves through the above-described supplying step (S30) and approaches the first sprue 21 of the upper die mold 20 and injects molten resin, the first sprue ( The molten resin supplied from 21) continues to the lower mold 40 through the second sprue 31 of the middle mold 30 to mold the handle injection molding 60 having the handle 3 formed thereon, followed by the slide 2 ), so that the handle (3) is connected and bound.

At this time, in the above molding step (S40), the molten resin passes through the second sprue 31 of the middle mold 30 and is accommodated in the molding groove 41 of the lower mold mold 40, so that the handle 3 is formed. 60), and then connecting and binding the handle 3 to the slide 2 of the zipper 1. In the molding step (S40), when molten resin is injected in close proximity to the first sprue 21 of the upper mold 20, the molten resin supplied from the first sprue 21 is passed through the second sprue of the middle mold 30. It flows into the molding groove 41 of the lower mold 40 through (31) and is molded in a state in which the handle 3 is mounted on the ring portion 2a of the slide 2 protruding downward.

In addition, in the curing step (S50) according to the present invention, the handle injection molding product 60 having the handle 3 of the molding step (S40) is slowly cooled for a certain period of time to solidify it. In this curing step (S50), the molten resin to be composed of the handle injection molding 60 with the handle 3 is slowly cooled for a certain period of time so that it can be hardened. Curing is possible through natural cooling for a certain period of time, but a separate drying device, etc. It will be free to use .

In addition, the cutting step (S60) according to the present invention cuts the handle (3) from the handle injection molding 60 solidified in the curing step (S50). Cutting step (S60) is a configuration of cutting to obtain (收得) the handle (3) from the handle injection molding 60 solidified in the above-described curing step (S50). In this cutting step (S60), the operator separately separates the handle 3 from the handle injection molding 60 by a method such as manual cutting or automatic cutting using a cutting device.

At this time, in the above-described cutting step (S60), the solidified handle injection molding 60 is characterized in that the handle 3 is cut off using the cutting portion 61. In the cutting step (S60), the handle injection product 60 itself formed through the molding groove 41 of the lower mold 40 in the molding step (S40) is connected to the cutting portion 61 to form the handle 3, At this time, by cutting the cut portion 61, the handle 3 is separated from the handle injection molding 60.

In addition, in the completion step (S70) according to the present invention, the slide 2 of the cutting step (S60) is separated from the medium mold 30 to form the zipper 1. In the completion step (S70), the handle 3 is separated and cut from the handle injection molding 60 using the cut portion 61 of the cutting step (S60), and then the slide 2 is separated from the medium-sized mold 30 to handle the handle. (3) completes the zipper (1) of the slide (2).

In addition, by using the above-mentioned method of connecting the zipper slider and the handle of claim 1, the middle mold 30 is slide ( A plurality of hook parts 2a of 2) are fixed, and the middle mold 30 is positioned between the upper mold 20 and the lower mold 40, and then put close to the upper surface of the upper mold 20 The handle (3) ) After molding the handle injection molding 60 formed, connecting and binding the handle 3 on the slide 2 of the zipper 1, and then slowly cooling the handle injection molding 60 for a certain period of time to harden Next, after cutting the handle 3 on the handle injection molding 60, the slide 2 is separated from the medium mold 30 to complete the zipper 1 in which the slide 2 and the handle 3 are connected and connected to each other. will do

According to the present invention, the handle to be attached to the slider of the zipper is manufactured through an injection method and then easily integrated with the slider to promote simplicity of the product and work process, while reducing working time and increasing production Through mass production, it is possible to achieve a virtuous cycle in the manufacturing process by reducing manufacturing costs and improving work efficiency, as well as reducing the burden on consumers caused by product price declines as it becomes possible to respond efficiently to zipper orderers. It works.

The present invention is not limited to the described embodiments, and it is obvious to those skilled in the art that various modifications and variations can be made without departing from the spirit and scope of the present invention. Therefore, such variations or modifications should fall within the scope of the claims of the present invention.

1: Zipper 2: Slide
2a: hook 3: handle
10: mold 20: upper mold
21: first spout 30: medium-sized mold
31: second sprue 32: seating groove
33: fixing groove 40: lower mold
41: molding groove 50: input unit
60: handle injection molding 61: cutting part
S10: Fixing step S20: Settling step
S30: supply step S40: molding step
S50: curing step S60: cutting step
S70: Completion stage

Claims (5)

In constituting the binding method of the zipper slider and the handle:
A fixing step (S10) of fixing the plurality of slides 2 to the middle mold 30 among the mold 10 composed of the upper mold 20, the middle mold 30, and the lower mold 40;
A seating step (S20) of positioning the middle mold (30) of the fixing step (S10) between the upper mold (20) and the lower mold (40);
a supplying step (S30) of injecting molten resin through the first sprue 21 from the input unit 50 approaching the upper surface of the upper die mold 20;
A handle injection molding product in which a handle 3 is formed by allowing the molten resin supplied from the first sprue 21 in the supply step (S30) to be connected to the lower mold 40 through the second sprue 31 of the middle mold 30 A molding step of connecting the handle 3 on the slide 2 of the zipper 1 after molding 60 (S40);
A hardening step (S50) of solidifying (固形化) while slowly cooling the handle injection molding (60) formed with the handle (3) of the molding step (S40) for a certain period of time;
A cutting step (S60) of cutting off the handle (3) of the handle injection molding (60) solidified in the curing step (S50); and
A method of fastening a slider and a handle for a zipper, characterized in that it comprises a completion step (S70) of forming the zipper (1) by separating the slide (2) of the molding step (S40) from the medium-sized mold (30). According to claim 1,
In the fixing step (S10), a plurality of slides 2 and ring parts 2a are fixed to the medium mold 30, and the slide 2 is seated in the seating groove 32, and the ring on the seating groove 32. A method of fastening a slider and a handle for a zipper, characterized in that it has a fixing groove (33) fixed by inserting the part (2a) According to claim 1,
In the molding step (S40), a handle injection molding product in which a plurality of handles 3 are formed in a state in which the molten resin is accommodated in the molding groove 41 of the lower mold 40 through the second sprue 31 of the middle mold 30 ( 60), and then connecting and binding the handle (3) on the slide (2) of the zipper (1). According to claim 1,
The cutting step (S60) is a method of binding a slider and a handle for a zipper, characterized in that the cured handle injection molding (60) is cut off the handle (3) using the cutting portion (61) Using the method of binding the zipper slider and the handle of claim 1 above,
Among the molds 10 composed of the upper mold 20, the middle mold 30, and the lower mold 40, a plurality of slides 2 and hook parts 2a are fixed to the middle mold 30, and the middle mold 30 is positioned between the upper mold 20 and the lower mold 40, and then the injection unit 50, which approaches the upper surface of the upper mold 20, injects molten resin through the first sprue 21, The supplied molten resin is connected to the lower mold 40 through the second sprue 31 of the middle mold 30 so that the handle injection molding 60 having the handle 3 is formed, and then the slide of the zipper 1 ( 2) Connect and bind the handle (3) on the top, and slowly cool the handle injection molding (60) for a certain period of time to harden it, then cut the handle (3) on the handle injection molding (60), and slide (2) A zipper characterized in that by separating from the medium-sized mold 30 to complete the zipper 1 in which the slide 2 and the handle 3 are connected and bound to each other

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