JP3106195B2 - Method for fixing two members and structure for fixing mounting leg member to button body - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for fixing a mounting leg member to clothes or the like to a button body, fixing a hanging part to a decorative article, fixing a leg member to a plate-like body, and the like. Two
The present invention relates to a method for fixing a member and a structure for fixing a mounting leg member to a button body.

[0002]

2. Description of the Related Art There are already many techniques and materials for fixing two materials. As a physical method,
There are a method of fixing with a bolt and a nut, a method of fixing a tap with a cut screw, a method of using a rivet, a method of pressing and welding, a method of soldering, and the like, and a method of chemically using an adhesive. However, there are cases where these methods cannot be applied in terms of structure and design in practical use. In addition, it is said that it is quite difficult to obtain a sufficient adhesive strength with substances such as delrin, teflon and polyethylene. A button using the above-mentioned adhesive is known as a button in which a mounting leg portion to a garment is fixed to a polyester button body. This button is made up of a button body 21 made of polyester as shown in FIG.
After an appropriate amount of adhesive 23 is dripped into the fitting recess 24 of FIG. 2, an external force is applied to the button body 21 in a heated state as shown by a solid line in FIG. After the attachment legs 22 are pushed into the fitting recesses 24 in this expanded state, the external force is released and cooled, and the state before cooling is expanded (see the phantom line in FIG. 4).
However, the process of making the button main body 21 in an inverted shape is complicated and the production efficiency is not good.

[0003]

SUMMARY OF THE INVENTION In view of the above-mentioned circumstances, the present invention provides a novel technique which can improve the fixing force, improve the workability, improve the productivity, reduce the cost, etc. by taking various measures. It is an object of the present invention to provide a method for fixing two members and a structure for fixing a mounting leg member to a button body.

[0004]

In order to achieve the above object, a method for fixing two members according to the present invention comprises the steps of: fixing a fixing hole having a small opening and an enlarged inside to a first member; Through the mouth of the fixing hole as much as possible without passing through the opening of the fixing recess, and into the inside of the enlarged portion of the fixing hole. A first step of providing a lid portion to be fitted to the second member in a playless state, a second step of putting a fixed amount of thermoplastic synthetic resin material in the fixing hole, and an expanding head for fixing in the fixing hole; The part is inserted and the thermoplastic synthetic resin material is heated and melted while applying a pressing force to the part, and the material is wrapped around the back side of the enlarged head for fixing, and the lid is in the mouth of the fixing hole. The third step in which the thermoplastic synthetic resin material heated and melted is solidified by cooling. 4 process are as hereinbefore to form the listed order of, and, thermoplastic synthetic resin material is a small piece shaped body, also, a thermoplastic synthetic resin material is granules.

[0005] Further, the fixing hole having a small opening and having an enlarged inside is passed through the first member, and the opening of the fixing hole is passed through the opening of the fixing hole with as little play as possible so that the inside of the inside of the fixing hole is enlarged. A first step of providing the second member with a fixed enlarged head immersed in the second member, and a lid portion fitted on the back side of the fixed enlarged head in the opening of the fixing hole with as little play as possible. The second step of putting a certain amount of thermosetting synthetic resin material into the fixing hole, inserting the fixing head into the fixing hole and applying a pressing force to the same to fix the material to the fixing head And a fourth step of solidifying the thermosetting synthetic resin material in a sequence in which the third step is performed in a state in which the cover is fitted on the back side and the state in which the lid is fitted in the opening of the fixing hole. And, the thermosetting synthetic resin material is a liquid material, and the thermosetting synthetic resin material is a powder. It is.

Further, a fixing hole having a small opening and an enlarged inside is provided in the button body, and the fixing leg is attached to clothes or the like by passing the opening of the fixing hole with as little play as possible. A fixed enlarged head is provided which is sized so as to be immersed in the inside enlarged portion of the concave hole, and the fixed enlarged head is immersed in the fixed hole, and a fixed concave hole is provided on the back side of the fixed enlarged head. A lid portion is fitted to the opening of the fixing hole with as little play as possible, and the inside of the fixing recess is filled with a synthetic resin material, and the synthetic resin material is solidified in a state of being wrapped around the back side of the enlarged head for fixing. It is characterized by having.

[0007]

According to the present invention, the synthetic resin material is diffused in the inside enlarged portion of the fixing hole and solidified while being wrapped around the back side of the enlarged fixing head to secure a firm fixing. In the present invention, the lid suppresses the protrusion of the synthetic resin material while allowing the air to be expelled from between the outer peripheral surface and the peripheral surface of the concave hole when it is fitted into the opening of the fixing concave hole. In addition, the fitting of the lid serves as a so-called centering function, and after the fitting is completed, the lid remains closed even when the synthetic resin is left in an incompletely solidified state (semi-solidified state). To prevent deformation of the resin.

[0008]

According to the method for fixing two members according to the first aspect of the present invention, as described above, the fixing recess having a small mouth and an enlarged inside is formed by the first method.
A fixed enlarged head having a size large enough to pass through the member and through the mouth of the fixed hole with as little play as possible and to be immersed in the inside enlarged portion of the fixed hole, and the back side of the fixed enlarged head. A first step of providing a lid on the second member to fit into the opening of the fixing hole with as little play as possible, a second step of putting a fixed amount of thermoplastic synthetic resin material into the fixing hole, fixing A state in which the fixing enlarged head is inserted into the recess for applying heat and the thermoplastic synthetic resin material is heated and melted while applying a pushing force to the same portion, and the material is wrapped around the back side of the fixed enlarged head. Since the third step in which the portion is fitted in the mouth of the fixing recess and the fourth step in which the heated and melted thermoplastic synthetic resin material is cooled and solidified are performed in the listed order, the two members are firmly fixed. The two members according to claim 2, which enable easy provision of a product that is resistant to a low-temperature environment. In the fixing method, since the thermoplastic synthetic resin material is in the form of small pieces, it is possible to prepare a large number of small piece-shaped bodies having a fixed size and put them into the fixing recess in a fixed number. It is easy to carry out fixed quantity of plastic synthetic resin material and it is effective to provide good products,
In the two-member fixing method according to the third aspect, since the thermoplastic synthetic resin material is a granular material, the fixed amount of the thermoplastic synthetic resin material can be easily carried out similarly to the two-member fixing method according to the fourth aspect. It is effective in providing good products,

According to a fourth aspect of the present invention, there is provided a method for fixing a two-member, wherein the first member has a small opening and the inside thereof is enlarged, and the first member is passed through the opening of the fixing hole with as little play as possible. The fixing enlarged head having a size to be immersed in the internal enlarged portion of the fixing hole, and a lid fitted on the back side of the fixing enlarged head in the opening of the fixing hole with as little play as possible. A first step of providing each member with a fixed amount of thermosetting synthetic resin material in the fixing hole, a second step of inserting a fixed enlarged head into the fixing hole and applying a pushing force to the same portion; The third step in which the same material is wrapped around the back side of the fixing enlarged head, the state in which the lid is fitted in the opening of the fixing hole, and the fourth step in which the thermosetting synthetic resin material is solidified are listed. Since it is made in order, it is easy to provide a product that is strong in a high temperature environment where two members are firmly fixed. The ability fixing method of the two members according to claim 5, since the thermosetting synthetic resin material is a liquid material,
A simple method of providing a product that is strong in a high-temperature environment in which the two members are firmly fixed is provided.
Since the thermosetting synthetic resin material is a powder, it is possible to easily provide a product that is strong in a high-temperature environment in which the two members are firmly fixed. The button body and the second member are attachment leg members to clothes or the like, so that it is possible to easily provide a button in which the attachment leg members to clothes or the like are firmly fixed. The fixing structure of the mounting leg member to the button body according to
It is possible to easily provide a button in which an attachment leg member to clothes or the like is firmly fixed.

In particular, in the two-member fixing method according to the present invention in general, the synthetic resin material is diffused in the inside enlarged portion of the fixing recess and solidified while being wrapped around the back side of the enlarged fixing head to be strong. Helps to secure, and when the lid fits into the mouth of the fixing hole, it protrudes the synthetic resin material while allowing air to be expelled from between the outer peripheral surface and the edge surface of the hole. In addition, the diffusion and wrap-around are suppressed to improve the diffusion, and the fitting of the lid portion performs a so-called centering function to enable easy provision of a good product. Further, after the fitting is completed, the synthetic resin is in an incompletely solidified state ( Even if left unattended while in the semi-solid state, the lid keeps the closed state and prevents deformation of the resin, so that the product can be removed from the manufacturing machine without waiting for solidification to be completed. Increase the number of units manufactured per unit time. A new method of fixing two members and a button body, which achieves excellent effects such as enabling the improvement of the fixing force, improving the workability, improving the productivity, and reducing the cost. Thus, the intended object of providing a fixing structure of the mounting leg member with respect to the above can be completely achieved.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention shown in FIGS. 1 to 3 is a button body (the button body is made of unsaturated polyester, wood, buffalo, stone, synthetic resin, metal, shell, etc.). 1 is provided with a fixing recess 3 having a small opening 2 and an enlarged inside, and a brass mounting leg member 4 (only a part is shown in the figure) for clothing or the like. Of the fixing recess 3 and the fixing recess 3 on the back side of the fixing enlarged head 6 having a size immersed in the inside enlarged portion 5 of the fixing recess 3 by passing through as little play as possible. A lid portion 8 (the fixing enlarged head 6 and the lid portion 8 are made of a zinc alloy, die-cast, or the like) which fits in the mouth 2 with as little play as possible is provided. In the hole 3, a small piece of thermoplastic synthetic resin (formed in a fixed amount, cut into a certain size, etc.) 7 is placed. Then, the fixing enlarged head 6 is inserted into the fixing concave hole 3, and the small piece 7 is heated and melted while applying a pressing force to the same portion 6, and the molten material is melted to fix the enlarged head. 6 and the cover 8 is fitted in the opening 2 of the fixing recess 3, and then the heated melt is cooled and solidified to fix the mounting leg member 4 to the button body 1. This is to get the button that was done.

The size of the small piece 7 can be set to a size such that it slightly protrudes out from between the edge of the recess 3 and the outer edge of the lid 8. In order to prevent the heated melt that has protruded into the back surface of the lid 8 from flowing around,
It is necessary to provide a bank-like edge 9 on the outer peripheral edge of the back surface of the backing and to dam it (see the second embodiment shown in FIG. 3). In such a case, the bank-like edge 9 and the protrusion 10 are cut off in the finishing step. To get the finished product.

Further, as in the third embodiment shown in FIG. 4, the protruded heated melt 10 can be stored in a reservoir 11 so as not to go outside. Incidentally, the reservoir 11 is provided with the lid 8.
Is hidden by a collar 12 provided integrally on the outer periphery of the body.

[Brief description of the drawings]

FIG. 1 is a sectional view of a finished product showing a first embodiment of the present invention.

FIG. 2 is an exploded cross-sectional view showing the same manufacturing process.

FIG. 3 is a sectional view showing a second embodiment.

FIG. 4 is a sectional view showing a third embodiment.

FIG. 5 is a sectional view showing a manufacturing process of a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Button main body 2 Port | mouth 3 Fixing recessed hole 4 Mounting leg member 5 Inner enlarged place 6 Fixed enlarged head 7 Small piece-shaped body 8 Lid 9 Bank-shaped edge 10 Projection part 11 Pool part 12 Flange part

Claims (8)

(57) [Claims] 1. A fixing hole having a small opening and having an enlarged inside is passed through the first member and the opening of the fixing hole is passed through the opening of the fixing hole with as little play as possible. A first step of providing the second member with a fixed enlarged head immersed in the second member, and a lid portion fitted on the back side of the fixed enlarged head in the opening of the fixing hole with as little play as possible. The second to put a fixed amount of thermoplastic synthetic resin material into the recess
Step: Inserting the enlarged fixing head into the fixing hole, applying heat to the thermoplastic synthetic resin material while applying a pressing force to the same, and wrapping the material around the back of the enlarged fixing head. A third step of setting the state and the state in which the lid is fitted in the mouth of the fixing recess,
The fourth step of cooling and solidifying the heat-melted thermoplastic synthetic resin material
A method for fixing two members, wherein the steps are performed in the listed order. 2. The method for fixing two members according to claim 1, wherein the thermoplastic synthetic resin material is a small piece. 3. The method according to claim 1, wherein the thermoplastic synthetic resin material is a granular material. 4. A fixing member having a small opening and an inside of which is enlarged by passing through the fixing member through the first member and passing through the opening of the fixing member with as little play as possible. A first step of providing the second member with a fixed enlarged head immersed in the second member, and a lid portion fitted on the back side of the fixed enlarged head in the opening of the fixing hole with as little play as possible. The second to put a certain amount of thermosetting synthetic resin material into the recess
Step: Inserting the enlarged fixing head into the fixing hole, applying a pushing force to the same part, and wrapping the same material to the back side of the fixing enlarged head, and the lid part is the opening of the fixing hole. 3. A method for fixing two members, comprising: a third step in which the thermosetting synthetic resin material is fitted to the third step; and a fourth step in which the thermosetting synthetic resin material is solidified. 5. The method according to claim 4, wherein the thermosetting synthetic resin material is a liquid material. 6. The method according to claim 4, wherein the thermosetting synthetic resin material is a powder. 7. The method according to claim 1, wherein the first member is a button main body, and the second member is a mounting leg member to clothes or the like. 8. The button body is provided with a fixing hole with a small opening and an enlarged inside, and the fixing leg member for attachment to clothes or the like is passed through the opening of the fixing hole with as little play as possible and fixed. A fixed enlarged head is provided which is sized so as to be immersed in the inside enlarged portion of the concave hole, and the fixed enlarged head is immersed in the fixed hole, and a fixed concave hole is provided on the back side of the fixed enlarged head. A lid portion is fitted to the opening of the fixing hole with as little play as possible, and the inside of the fixing recess is filled with a synthetic resin material, and the synthetic resin material is solidified in a state of being wrapped around the back side of the enlarged head for fixing. A structure for fixing a mounting leg member to a button body.