JPH0453686Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to an engaging member having a surface fastener that can be easily joined integrally to various synthetic resin molded articles such as cushions.

[Prior art]

Surface fasteners are widely used as members for joining fiber fabrics and other various articles. As an example, one side of the hook-and-loop fastener is attached to a predetermined position on the surface of the cushion body, and the other hook-and-loop fastener is attached to the back side of the skin material, and both hook-and-loop fasteners are engaged and bonded. Methods of fixing skin materials to cushion bodies are known. In this method, for attaching the hook-and-loop fastener to the surface of the cushion body, for example, (a) a sheet made of non-woven fabric or the like is attached to the back surface of the hook-like engagement element by an appropriate means to serve as an engagement member; A method of fixing and sealing the mold with an adhesive and then introducing a molding material into the mold and foaming it (see Utility Model Publication No. 184599/1983).
The entire hook-like engaging element of the hook-and-loop fastener (2) is covered with a film, and the engaging member comprising a thin metal sheet is attracted and fixed by a magnet provided in the mold, and then the molding material is introduced into the mold. A method is known in which the engaging member is foamed and integrally joined to the molded body (see Japanese Patent Application Laid-Open No. 179003/1983).

[Problem that the invention attempts to solve]

Among the above-mentioned methods for attaching the hook-and-loop fastener to the cushion body, the method using adhesive in parentheses has the problem that fixing the hook-and-loop fastener in the mold is troublesome and it is difficult to adjust the attachment position. Ta. Furthermore, in the engaging member used in method (), the entire hook-like engaging element is covered with a film, which prevents the molding material from entering between the hook-like engaging elements during molding. Although the effect is excellent, it takes time and effort to remove the film covering the hook-like engagement element after the molded body is removed from the mold after molding, or the film that melts when the molding material foams. Even when used, there is a drawback that an undissolved film remains as a residue on the hook-like engaging element, reducing the engagement force.

Therefore, the purpose of the present invention is to not only easily prevent raw materials from entering between the hook-like engaging elements without requiring the trouble of fixing and sealing the engaging members in the mold with adhesive. To provide an engaging member in which there is no need to remove a film covering a hook-like engaging element, and there is no reduction in engaging force caused by residual substances remaining on the upper part of the hook-like engaging element after the film is dissolved. It is in.

[Means for solving problems]

According to the present invention, the engagement member is integrally attached to the surface of the cushion body when the cushion body is molded, and the engagement member includes a base fabric and a plurality of erected parts on the surface of the base fabric. a hook-like engagement element; a thin band-shaped body having one side edge fixed to a flat part provided on both side edges of the base fabric, and the other side edge protruding from the side edge of the base fabric; An engaging member is provided, comprising a fixing member that is attached to the back surface of the cloth and embedded in the cushion body to fix the engaging member to the surface of the cushion body.

The hook-like engagement element used in the present invention may be any shape having an engagement function, such as a hook shape, a mushroom shape, or an umbrella shape. A non-woven fabric can be used for the fixing member provided on the back side of the hook-and-loop fastener, and in order to firmly embed the fixing member in the molded body and adhere it, this material is provided with a large number of protruding monofilament loops, mushroom-shaped or umbrella-shaped fixing members. You can also attach elements.

In addition, the thin band-shaped body extending in the horizontal direction constituting the engaging member of the present invention is formed so that when the engaging member is placed in the groove provided in the mold and the foamed synthetic resin raw material is injected, the edge of the engaging member It is used to prevent raw materials from entering through the gap created at the contact surface between the groove edge and the groove edge, and uses a thin film made of polyolefin, polyethylene, cellose acetate, etc., or a thin strip of foamed resin. be able to. These thin strips may be attached to the edge portion of the fixing member or the hook-and-loop fastener by appropriate means such as adhesive or ultrasonic melting, or the strips may be placed between the hook-and-loop fastener and the fixing member, These three members may be integrated into a band-like body extending in the transverse direction by means of ultrasonic melting or the like.

It is convenient to arrange a magnetic metal body between the hook-and-loop fastener and the fixing member, since magnetic attraction force can be used to fix the engaging member in the mold.

The present invention will be explained below with reference to the drawings.

FIG. 1 shows a large number of hook-like engaging elements 2 provided on the surface of a hook-and-loop fastener base fabric 1, which is an example of the present invention.
FIG. 2 is a perspective view of an engaging member in which a thin strip 4 made of polyethylene or the like is provided on an edge portion 5 thereof, and a fixing member 3 is provided on the back surface of the hook-and-loop fastener base fabric. FIG. 2 is a sectional view taken along the line -' of FIG. 1.
FIG. 3a shows a convenient method of using the engaging member, which is an example of the present invention, by applying an adhesive or the like to the hook-like engaging element surface of the engaging member in the groove 8 provided inside the mold 7. FIG. 7 is a cross-sectional view showing the arrangement of the engagement member before it is engaged with the fixed loop 9. FIG. FIG. 5b shows that after the hook-like engaging element 2 of the engaging member and the loop 9 are engaged, the film 4 is brought into close contact with the edge of the groove 8, and the engaging member is securely fixed in the groove, the foamed synthetic resin is It is a sectional view showing a state in which raw materials are injected, a lid 11 is covered, and foaming is performed. At this time, the film 4 seals the edges of the groove, thereby preventing the raw material from entering the groove, and therefore also preventing the raw material from entering between the hook-like engaging elements. FIG. 4 is a sectional view of the molded body 12 with an engaging member.

[Effect of idea]

According to the present invention, the work is extremely easy, and
An engaging member is provided that does not require the trouble of removing the film remaining on the engaging member embedded and bonded to the molded body after foam molding, and does not reduce the engaging force due to residual substances of the film.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing an example of the engagement member of the present invention. FIG. 2 is a sectional view taken along the line -' in FIG. 1.
FIGS. 3a and 3b are cross-sectional views showing a state in which the engaging member is placed in the mold and the raw material is injected. FIG. 4 is a sectional view of a molded body with an engaging member. 5 and 6 are cross-sectional views of the present invention showing another example. DESCRIPTION OF SYMBOLS 1... Velcro fastener base fabric, 2... Hook-like engagement element, 3... Fixing member, 4... Thin strip-shaped body, 5...
...Edge portion, 6...Magnetic metal body, 7...Mold, 8
... Groove, 9 ... Loop, 10 ... Foamed synthetic resin raw material, 11 ... Lid, 12 ... Molded object.

Claims (1)

[Scope of utility model registration request] An engagement member that is integrally attached to the surface of the cushion body when the cushion body is molded,
The engagement member has a base fabric, a large number of hook-like engagement elements erected on the surface of the base fabric, and one side edge each fixed to a flat part provided on both side edges of the base fabric, and a thin band-like body whose other side edge protrudes from the side edge of the base fabric, and a fixing member that is attached to the back surface of the base fabric and embedded in the cushion body to fix the engaging member to the surface of the cushion body. An engagement member characterized by comprising: