HEADREST FOR VEHICLE SEATS AND METHOD OF MANUFACTURING HEADREST

摘要

A headrest that facilitates the assembly of a structural member for absorbing impact, and a method for producing the same. The method for manufacturing the headrest having surface material headrest stay, seal sealing an opening at the bottom of headrest, plate-like impact-absorbing member, one end of which is connected to seal, and foamed body in headrest includes a step of inserting headrest stay in insertion holes and of seal and assembling it, a step of inserting headrest stay and impact-absorbing member through the opening, a step of inserting a circumferential portion of the opening of surface material into seal, a step of injecting a foaming material through injection hole of seal and foaming it, and a step of forming a foamed body by curing the injected foaming material. The opening is sealed when the foaming material impregnates and cures at the circumferential portion of the opening.

主权项

1. A method of manufacturing a headrest for a vehicle seat having a surface material forming an outer contour, a headrest stay inserted into said headrest, a seal sealing an opening formed at the bottom of the surface material of said headrest, a plate-like impact-absorbing member one end of which is connected to said seal and provided in the headrest, and a foamed body formed in said headrest and comprising the following steps:
inserting a pair of legs of said headrest stay through an insertion hole provided at said seal and assembling them at a predetermined position; inserting the assembled said headrest stay and said impact-absorbing member into said surface material through the opening of said surface material; inserting a circumferential portion of said opening into said seal; injecting a foaming material forming said foamed body into said surface material through an injection hole provided at said seal and foaming it; and forming the foamed body by curing the foaming material injected in said surface material; whereby the circumferential portion of the opening of said surface material inserted into said seal is mounted at said seal and said opening is sealed when said foaming material impregnates and cures at a circumferential portion of the opening of said surface material.