KR940009650B1 - Ornamental button body with clasp and method of manufacturing the same - Google Patents

Abstract

No content.

Description

Decorative button body assembly and manufacturing method thereof

1 is a cross-sectional view of the male button.

2 is an exploded perspective view of a decorative button body assembly.

3 is a cross-sectional view of a decorative button body assembly according to one embodiment of the invention.

4 is a cross-sectional view of a decorative button body assembly adapted according to another embodiment.

5 is a cross-sectional view of a decorative button body assembly according to another embodiment.

Section 6 is a section of a converted tubular clasp.

7 is a cross-sectional view of a device for manufacturing a decorative button body assembly.

* Explanation of symbols for the main parts of the drawings

1: decorative button body 2: groove

3: inner wall 4: flange

5: clasp 6: spring

10, 10 ': edge 11, 12: die

13: punch 14, 15: hole

The present invention relates to decorative buttons, such as male-shaped buttons to be used in garments or tack buttons to be used in denim of garments, and more particularly to decorative button body assemblies and methods of making the same.

The presently known decorative button body assembly (Japanese Patent Laid-Open No. 1-37122) is made of hard plastic and has a groove on the back side and a decorative button body having grooves extending along the deepest portion of the outer circumferential wall, and on the base. It includes a metal clasp in the form of a tube with a raised flange that can be deformed to expand outwardly, and during assembly, the flange is compressed and inflated with the tool to be inserted into the groove and fit into the groove.

Another type of decorative button body assembly (Japanese Utility Model Laid-Open Publication No. 2-130214) known therein is a decorative button body having a groove having a truncated conical outer wall which gradually increases in diameter from the bottom to the entrance, and a groove A clasp having a flange having a diameter larger than the inlet side of the groove, and during assembly, the clasp is forcibly pressed against the decorative button body to bend the outer peripheral portion of the flange until the flange contacts the outer wall of the groove. Insert in.

In the first mentioned prior art, in a decorative button body assembly made of hard plastic, bone or ivory, a raised flange of a metal tubular clasp is inserted into the groove to fit into the groove extending along the deepest part of the outer circumferential wall. When compressed and inflated with a tool, the inlet edge of the groove can be loosely damaged or expanded to accommodate the flange so that the decorative button body can pivot about the latch. In addition, since the tool is used to force the raised flange against the decorative button body, the pressure is transmitted directly to the decorative button body disposed on the fixed die, thereby damaging the front face of the decorative button body.

In the second state of the art mentioned above, a clasp having a flange having a diameter larger than the inlet side of the groove formed on the rear side of the decorative button body is used as a decorative button body as a tool to bend the outer peripheral portion of the flange to fit the flange into the groove. Forcedly pressed against the flange, and by loosely accommodating the flange, the inlet edge of the groove may be damaged, and pressure is transferred directly to the decorative button body disposed on the stationary die, thereby damaging the front face of the decorative button body. do.

It is therefore an object of the present invention to provide a decorative button body assembly in which the tubular clasp can be easily attached to the back side of the decorative button body in a very simple structure without any damage to the front surface of the decorative button body and the clasp. . Another object of the present invention is to provide a method of manufacturing such a decorative button body assembly.

According to the first aspect of the present invention, there is provided a decorative button body having a groove having a larger diameter at a lower side than an entrance side at a rear surface thereof; A tubular clasp with a flange at one end having a diameter substantially equal to the inlet edge of the groove; And an annular spring disposed between the flange and the inlet side inner wall of the groove.

The groove has an inverted frustoconical contour, and the flange of the clasp is bent along the outer circumferential edge to complement the inclined inner wall of the frustoconical groove.

According to a second aspect of the present invention, there is provided a step of inserting a flange of a tubular clasp into a groove having a lower side larger in diameter than an inlet side on a rear surface of a decorative button body, the diameter of the tubular clasp being approximately equal to the diameter of the inlet edge of the groove, Forcibly inserting the annular spring between the flange and the inlet inner wall of the groove; And returning the compressed annular spring.

When assembling the decorative button body assembly of the present invention, a tubular clasp having a flange at one end is inserted into a groove formed on the back side of the decorative button body, and an annular spring is inserted between the inner wall of the groove and the front surface of the flange. With the tubular clasp securely attached to the decorative button body, the decorative button body assembly is durable in any application.

When the decorative button body assembly is used as a decorative button such as a male button, a male button or a tack button, a tubular portion protruding from the back side of the decorative button body, for example, passes through a piece of cloth and then ends the tubular portion. A clasp with a U-shaped tubular portion or a U-shaped tubular portion is placed on one surface of a piece of fabric and then the tack penetrates the fabric on the other surface to be secured to the tubular clasp.

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

As shown in FIGS. 1 and 2, the decorative button body assembly according to the first embodiment of the present invention is for decorative buttons for decorative buttons made of hard plastic, bone, ivory or metal, such as a male-male button or a tack button. It includes a button body (1). The decorative button body 1 is formed with a groove 2 having a frustoconical inner wall 3 formed in the center of its back surface and gradually increasing in diameter from the inlet to the bottom, so that the lower area of the groove 2 is at the inlet side. Slightly larger than the area The decorative button body assembly also comprises, at one end, a tubular clasp 5 inserted into the groove 2 if it has a diameter approximately equal to the inlet edge 10 of the groove 2. The annular spring 6 has a circular cross section and a cutout is inserted between the flange 4 and the inlet side inner wall 3 of the groove 2. The annular spring 6 functions to stably retain the flange 4 of the tubular clasp 5 in the groove 2 so that the flange 4 is not removed from the groove 2.

The annular spring 6 used in this embodiment is not limited to the cutout-ring spring, and may be a disc spring or a rubber spring as long as it is an elastic member that can be contracted and extended radially within a constant circumference. The tubular clasp 5 may also be a clasp having a tubular portion in which the distal end is folded in a U-shape, as shown in FIG. In FIG. 1, reference numeral 7 denotes a shaped button body and reference numeral 8 is a piece of cloth that penetrates the tubular portion of the clasp 5 attached to the back side of the decorative button body 1. The end portion of the tubular portion can be attached to the cloth 8 by tightly tightening the tubular portion of the male button body 7.

According to the second embodiment of the present invention shown in FIG. 3, the shape of the groove 2 formed in the center of the rear surface of the decorative button body 1 is exactly the same as in the first embodiment. The outer circumferential edge 9 shape of the flange 4 of the tubular clasp 5 is, unlike the embodiment described above, bent complementary to the inclined inner wall 3 of the inverted truncated conical groove 2. have. A cutout annular spring 6 is inserted between the bent outer peripheral edge 9 of the flange 4 and the inlet side inner wall 3 of the groove 2.

In this arrangement, when a force is applied to the button to restrain the tubular clasp 5 from the groove 2 of the decorative button body 1, the annular spring 6 is inclined to the inside wall of the groove 2. Contracted to move along (3) or expanded to move along the bent outer peripheral edge 9 of the flange 4, thereby maintaining a balanced state in which the flange 4 is not removed from the groove 2 .

In the third embodiment shown in FIG. 4, the grooves 2 formed on the rear surface of the decorative button body 1 are generally similar to those of the above-described embodiment, but the inlet edge 10 'of the grooves has an annular spring ( It is rounded for easy insertion. The annular spring 6 generally has a triangular cross section. One side of the annular spring 6 is complementary to the inner wall 3 of the groove 2, and a point of the annular spring is disposed inside the rounded inlet edge 19 ′ of the groove 2, the other vertex Since it comes into contact with the flange 4 of the tubular clasp 5, the annular spring 6 is compressed so that the decorative button body 1 can be replaced with a new one, and can be easily removed from the groove 2.

In the fourth embodiment shown in FIG. 5, the groove formed on the rear side of the decorative button body whose lower side is larger in diameter than the inlet side is different from the inverted truncated cone of the above-described embodiments and has a simple outer groove. Have The inlet edge 10 ′ of the groove 2 is rounded to allow easy insertion of the annular spring 6. The annular spring 6 has a trapezoidal cross section, for insertion, the inclined side of the annular spring orients the rounded inlet edge 10 'of the groove 2 of the decorative button body 1, of which the spring The apex contacts the flange 4 of the tubular clasp 5 with the annular spring 6 into the groove 2 with the lower surface of the spring facing the inlet side wall 3 of the groove 2. It is pushed in. Thus, the annular spring 6 can be inserted in a simple operation to stably fix the tubular clasp 5 to the decorative button body 1.

According to another feature of the invention, the tubular shape is approximately equal in diameter to the inlet edge of the groove 2 into the groove 2 formed in the center of the rear surface of the decorative button body 1 having a lower diameter larger than the inlet side. Inserting the flange 4 of the clasp 5, forcibly inserting the annular spring 6 compressed between the front face of the flange 4 and the inner side wall 3 of the inlet side of the groove 2; And returning the annular spring (6) compressed to secure the tubular clasp (5) to the decorative button body (1).

To implement this method, the apparatus shown in FIG. 7 can be used. The device comprises a decorative button body fixing die 11, an auxiliary die 12 and a punch 13. The fixed die 11 has a flat top surface which supports the decorative button body 1. The auxiliary die 12 has upper and lower passage holes 15 and 14 mounted on the top surface of the fixed die 11 and extending axially and vertically. The diameter of the upper through hole is equal to the outer diameter of the flange 4 of the tubular clasp 5 and the edge diameter of the groove 2 of the decorative button body 1. The diameter of the lower passage hole 14 is equal to the outer diameter of the decorative button body 1. The inlet edge 16 of the upper through hole 15 is inclined to support the annular spring 6 to be compressed. The punch 13 has a diameter equal to the diameter of the upper through hole 15 of the auxiliary die 12 and is capable of reciprocating in and out of the upper through hole 15 and capable of receiving the tubular portion of the clasp 5. It has an axial cavity 17 which is large enough.

In use, a decorative button body 1 with a downward front face is disposed on the stationary die 11, and then the flange 4 of the tubular clasp 5 is inserted into the groove 2 of the decorative button body 1. It is inserted, after which the auxiliary die 12 is placed on the decorative button body 1. The decorative button body 1 is disposed in the lower passage hole 14, and then the annular spring 6 is disposed on the inclined inlet edge 16 of the upper passage hole 15. The punch 13 is then lowered to compress the annular spring 6 to insert the compressed annular spring 6 into the groove of the decorative button body 1, and then the compression action is released to release the annular spring 6. By returning, ie expanding, the tubular clasp 5 is fixed to the decorative button body 1.

The decorative button body assembly of the present invention can be manufactured very simply and easily because the tubular clasp is attached to the decorative button body by simply compressing and expanding the annular spring.

In particular, no mechanical deformation occurs in the flange of the tubular clasp while the tubular clasp is attached to the decorative button body, so that it can be attached accurately and stably, thus producing products without defects. In addition, since the strong pressure of the punch is not directly applied on the decorative button body during assembly, no damage occurs to the front surface of the decorative button body, and a neat decorative button body assembly is obtained.

Claims (4)

(a) On the back side, a decorative button body with a groove having a larger diameter than the inlet side; (b) At one end, a flange which is about the same diameter as the inlet edge of the groove and is accommodated in the groove. Tubular clasp with; And (c) an annular spring disposed between the flange and the inlet inner wall of the groove. The decorative button body assembly of claim 1 wherein the groove has an inverted truncated cone shape. 3. The decorative button body assembly of claim 2 wherein the flange of the clasp is bent along the outer circumferential edge to take a form complementary to the inclined inner wall of the truncated conical groove. (a) inserting a flange of a tubular clasp of approximately the same diameter as the inlet edge of the groove into a groove formed on the rear side of the decorative button body having a lower diameter than the inlet side; (b) forcibly inserting the annular spring compressed between the surface of the flange and the inner side wall of the inlet of the groove; And (c) returning the compressed annular spring.