JPH0318803B2 - - Google Patents

Description

Detailed Description of the Invention (Industrial Field of Application) The present invention relates to a method for manufacturing a perforated headrest. More specifically, the present invention relates to a method for manufacturing a perforated headrest. More specifically, the present invention has a hole in the center that penetrates back and forth, and a net-like material is inserted into the hole. The present invention relates to a method of manufacturing a perforated headrest provided with a perforated headrest.

(Prior art) The conventional perforated headrest is shown in Figures 6 and 7.
As shown in the figure, a net-like body 3 made of a net or the like is fixed to the headrest frame 2 using an appropriate fixing means, and then a separately formed headless pad material 4 is attached to the headrest frame 2, and the outer periphery of this pad material 4 is attached to the headrest frame 2. The surface is covered with a skin material 5, etc., and then the head rest stay 7 is inserted through the insertion holes 6 provided in the pad material 4 and the skin material 5, respectively, and the head rest stay 7 is fixed to the head rest frame 2 with bolts, etc. It is made to be.

(Problems to be Solved by the Invention) That is, since the perforated headrest 1 has a hole 1a in the center that penetrates back and forth, the work of attaching the pad material 4 and the skin material 5 is complicated, and the pad material 4 and the skin material The material 5 has a shape in which an opening 8 is formed in advance on the side facing the inner circumferential surface of the headrest frame 2, that is, on the side of the hole 1a, and the mesh body 3 is fixed to the headrest frame 2 through the opening 8. It's summery. The headrest stay 7 could only be fixed after the pad material 4 was attached to the headrest frame 2. Furthermore, there is a risk that the end portions of the net-like body 3 and the headrest frame 2 may be exposed through the openings 8 formed on the hole portions 1a side of the pad material 4 and the skin material 5, which has the disadvantage of impairing the appearance.

(Means for Solving the Problems) The present invention has been made in view of the above-mentioned drawbacks of the prior art. A net-like body is fixed to the part in advance, and then an integrated product consisting of a headrest frame and a headrest stay, which are integrated with the net-like body, is inserted between a pair of first and second molds of a foam mold,
The net-like body is tightly sandwiched between the first and second molds so that the net-like body exposed from the hole is not impregnated with the stock solution of the foamed synthetic resin, and then the stock solution of the foamed synthetic resin is injected into the foam mold. A pad material having a skin material molded on its surface side is integrally molded into a headrest frame which is integrated with the net-like body.

(Example) An example of the present invention will be described in detail below with reference to the drawings.

1 and 2 schematically show an embodiment of a perforated head rest manufactured by the perforated head rest manufacturing method according to the present invention, and a head rest frame 12 of this perforated head rest 11 has a As shown in FIG. 2, a headrest stay 13 is integrally formed, a net 14 made of a net or the like is disposed in the hole 12a of the headrest frame 12, and the end of the net 14 is connected to the headrest frame 12. 12 are respectively locked by a plurality of hook-shaped locking parts 15 fixed to the hole 12a side.

FIG. 3 shows a modified example of the net-like body 14, in which a band-like body 16 is fixed to the outer periphery of the net-like body 14. It is sufficient to simply lock it to the stop portion 15.

An integrated product 17 consisting of the headrest frame 12, the headrest stay 13, and the mesh body 14 is inserted between the pair of first and second molds 22 and 23 of the foaming mold 21, as shown in FIG. A locking portion 15 is provided at a position facing the end side of the net-like body 14 of the first and second molds 22 and 23, that is, on the hole portion 11a side.
Gaskets 22a and 23a protruding in the direction are fixed, respectively, and when the first and second molds 22 and 23 are matched, the end side of the net-like body 14 is sandwiched between the gaskets 22a and 23a in a sealed state. Next, a stock solution of foamed synthetic resin is injected through the injection port 24 formed in the foaming mold 21, and the foam is cured to form the pad material 18 integrally with the integral product 17.

This pad material 18 is formed by an integral skin method, a mold coat method, etc.
A method is adopted in which a stock solution of foamed synthetic resin for molding the skin material 19 is applied by spraying or the like to the molding surface of the foam mold 21, and then a stock solution of foamed synthetic resin for molding the pad material 18 is injected. Therefore, the skin material 19 is integrally molded on the outer peripheral surface of the pad material 18 at the same time as the pad material 18 is molded. In addition, the pad material 1 is made by foaming and curing the foamed synthetic resin stock solution.
8, the first and second molds 22, 23
Gaskets 22a, 2 fixed to the net-like body 14 side of
3b, a small recess 18a is formed on the hole 11a side of the pad material 18, and when the pad material 18 is molded, the foamed synthetic resin stock solution leaks from the mold mating surfaces of the first and second molds 22, 23. Even Patsukin 22a,
23a, and can prevent the net-like body 14 from becoming dirty.

After the pad material is foam-molded, the pad material 18 is molded integrally with the integral product 17 from the foam mold 21.
and a perforated headrest 1 consisting of a skin material 19
1, the mesh body 14 is integrally fixed to the hole 11a of the perforated headrest 11 shown in FIGS.
A perforated headrest 11 is formed, which is covered with the resin foam 8 and which is free from the possibility that the end of the net-like body 14 on the side of the hole 11a will be contaminated by the foamed synthetic resin stock solution.

(Effects of the Invention) According to the method for manufacturing a perforated headrest according to the present invention, the headrest frame and the headrest stay can be integrally formed in advance, and the headrest stay can be fixed by a fixing means such as a bolt. The locking means of the net-like body that locks on the hole side of the headrest frame is a pad material that is integrally molded on the headrest frame without having to lock in multiple locking parts, as in the past. Since the pad material is held down by the pad material, its strength is improved, and since there are no openings in the pad material, there is no risk of exposing the ends of the mesh body or the headrest frame, and there is no risk of the end of the mesh body on the hole side becoming dirty. It is possible to obtain a perforated head rest that has an excellent appearance and is highly economical.

[Brief explanation of the drawing]

1 to 5 each schematically show an embodiment of the method for manufacturing a perforated headrest according to the present invention. FIG. 1 is a perspective view, and FIG. FIG. 3 is a perspective view showing a modified example of the net-like body, FIG. 4 is a cross-sectional explanatory view showing the state in which the pad material is molded, and FIG. 5 is a perspective view of one part of the perforated headrest. FIGS. 6 and 7 are a perspective view and a partially sectional view of a conventional perforated headrest. In the figure, 11... perforated headrest, 11a...
...Hole part, 12...Headrest frame, 12a
...Hole part, 13...Head rest stay, 14...
... Net-like body, 15 ... Locking part, 17 ... Integral product, 1
8... Pad material, 18a... Small recess, 19... Skin material, 21... Foaming mold, 22a, 23a...
Patsukin.

Claims (1)

[Claims] 1. In a method for manufacturing a perforated headrest, which has a hole in the center that penetrates from front to back, and in which a net-like body is provided in an exposed state in the hole, the headrest frame and headrest stay of the perforated headrest are integrated. The net-like body is fixed in advance to the hole of the headrest frame, and then the integral product consisting of the headrest frame and the headrest stay, which are integrated with the net-like body, is placed in a pair of first and second molds of foam molding molds. The net-like body is sandwiched between the first and second molds in a sealed state so that the net-like body exposed from the hole is not impregnated with the stock solution of the foamed synthetic resin, and then the foamed synthetic resin is inserted into the foam mold. A method for producing a perforated headrest, characterized in that a pad material having a skin material molded on the surface side is integrally molded into a headrest frame integral with the net-like body.