JPS6141512A - Manufacture of head rest with holes - Google Patents

Abstract

PURPOSE:To make it unrequired to use securing means such as a bolt, or the like to secure a head rest stay, by forming integrally a head rest stay and a head rest frame for a head rust having holes, and securing previously a net body to a hole section of the head rest frame. CONSTITUTION:After a raw liquid of a foamable synthetic resin for forming a skin material 19 is applied by spraying or the like to the molding surface of a foaming mold 21, an integral item 17 comprising a head rest frame 12, a head rest stay 13 and a net body 14 is inserted between a pair of first and second molds 22, 23 of the foaming mold 21. Packings 22a, 23a projecting to anchoring sections 15 are secured respectively on the side of the molds 22, 23 opposite to the end of the net body 14, that is, on the side of a hole section 11a, and when the molds 22, 23 are registered, the end side of the net body 14 is clamped between the packings 22a, 23a. Then, a raw liquid of a foamable synthetic resin is injected via an injection port 24 formed in the foaming mold 21, and is allowed to foam and cure to mold a pad material 18 integrally with the integral item 17.

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates to a method for manufacturing a perforated headrest, and more specifically, the present invention relates to a method for manufacturing a perforated headrest.
The present invention relates to a method of manufacturing a perforated headrest in which a mesh member is provided in the hole.

(Prior art) As shown in FIGS. 6 and 7, a conventional perforated headrest is constructed by fixing a net-like body 3 made of a net or the like to a headrest frame 2 using an appropriate fixing means, and then separately forming a headrest frame 2. The headrest pad material 4 is attached to the headrest frame 2, the outer peripheral surface of the pad material 4 is covered with a skin material 5, etc., and then the headrest stay 7 is inserted through the insertion holes 6 provided in the pad material 4 and the skin material 5, respectively. is inserted, and the headrest stay 7 is fixed to the headrest frame 2 with bolts or the like.

(Problems to be Solved by the Invention) That is, since the perforated headrest 1 has a hole 1a penetrating back and forth in the center, the work of attaching the pad material 4 and the skin material 5 is complicated. The skin material 5 is arranged in advance on the side where the opening 8 faces the inner circumferential surface of the headrest frame 2;
That is, it is formed on the hole la side, and the net-like body 3 is fixed to the headrest frame 2 through the opening 8. Furthermore, the headrest stay 7 could only be fixed after the pad material 4 was attached to the headrest frame 2. In addition, the hole portion l of the pad material 4 and the skin material 5
There was a risk that the ends of the net-like body 3 and the headrest frame 2 would be exposed through the opening 8 formed on the a side, which had 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, and includes integrally forming a headrest frame of a perforated headrest and a helad rest stay, and A net-like body is fixed in advance in the hole, then the headrest frame integrated with the net-like body is inserted into a foam mold, and then an undiluted solution of foamed synthetic resin is poured into the foam mold,
The present invention is characterized in that a pad material having a skin material molded on its surface side is integrally molded into a headrest frame that is integrated with the net-like body.

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

An example of a perforated headrest manufactured by the dress rest manufacturing method is schematically shown, and a headrest stay 13 is integrally formed in a headrest frame 12 of this perforated headrest 11, as shown in FIG. A net-like body 14 made of a net or the like is disposed in the hole 12a of the headrest frame 12, and the ends of the net-like body 14 are fixed to the hole 12a side of the headrest frame 12 with a plurality of hook-shaped locks. 15, respectively.

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, and the band-like body 16 is formed on the headrest frame 12 with a small amount of engagement. It is sufficient to simply lock it to the stop portion 15.

Headrest frame 12, headrest stay 13
As shown in FIG.
Insert between 23. The position of the first and second molds 22 and 23 facing the end side of the net-like body 14, that is, the part 11a side iC of the hole 3 is located at a position where the gasket 2 protrudes toward the locking portion 15.
2a23a are fixed respectively, and the first and second molds 22,
When 23 is matched, the packing 22a and 238
The end side of the net-like body 14 is held between them. 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 using the integral skin method.
This is done using a mold coating method, etc., and the foam molding mold 21
A method is adopted in which a stock solution of a foamed synthetic resin for molding the skin material 19 is applied by spraying or the like to the molding surface of the pad material 19, and then a stock solution of a 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, when molding the pad material 18 by foaming and curing the stock solution of the foamed synthetic resin, the mesh body 14 of the first and second molds 22 and 23 is
A small recess 18a is formed on the side of the hole 11a of the pad material 18 by the gaskets 22a and 23a fixed to the sides, and when molding the pad material 18, the first and second molds 22 and 23 are matched. Even if the foamed synthetic resin stock solution leaks from the surface, the gasket 22a remains intact.

23a, and can prevent the net-like body 14 from becoming dirty.

After foam-molding the padding material, the perforated headrest 11 consisting of the integral part 17, the padding material 18 and the skin material 19 integrally molded is taken out from the foaming mold 21, as shown in FIGS. 1 and 5. When the net-like body 14 is integrally fixed to the hole 11a of the perforated headrest 11 and the end of the net-like body 14 is covered with the pad material 18, the end of the net-like body 14 on the side of the tail hole 11a is foamed. A perforated headrest 11 is formed that is free from the risk of being contaminated by the synthetic resin undiluted solution.

(Effects of the Invention) According to the present invention [the method for manufacturing the perforated headrest]
The headrest frame and the headrest stay can be integrally formed in advance, and there is no need to fix the headrest stay with fixing means such as bolts, and the locking means of the net-like body is fixed to the hole side of the headrest frame. The headrest frame is held down by the padding material that is integrally molded into the headrest frame without having to be locked in many locking parts as in the past, so the strength is improved, and since there are no openings in the padding material, the net-like structure is To obtain a perforated headrest which has an excellent appearance and is highly economical since there is no risk of exposing the end portion or headrest frame and there is no fear of the end portion of the net-like body on the hole side being soiled.

[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. 3 is a perspective view showing a modified example of the net-like body, FIG. 4 is a cross-sectional explanatory view showing a state in which the pad material is molded, and FIG. 5 is a partial cross-section of the perforated headrest. The explanatory drawings, FIGS. 6 and 7, are a perspective view and a partially sectional explanatory view of a conventional perforated headrest. In the figure, 11... Hole headrest, lla... Hole, 12... Headrest frame, 12a... Hole, 13... Headrest stay, 14... Net-like body, 15... Locking portion, 17... Integral product, 18... Pad material, 18a... Small recessed portion, 19... Skin material, 21
... Foaming mold, 22a, 23a... Packing.

Claims (1)

[Claims] In a method for manufacturing a perforated head rest having a hole penetrating back and forth in the center and a net-like body provided in the hole, the head rest frame and the head rest stay of the perforated head rest are integrally formed, and the head rest is The net-like body is fixed in advance to the hole of the rest frame, then the head rest frame integrated with the net-like body is inserted into the foam mold, and then the stock solution of foamed synthetic resin is injected into the foam mold, and the surface layer is coated with the outer layer. A method for manufacturing a perforated headrest, comprising integrally molding a pad material into a headrest frame that is integrated with the net-like body.