Method of producing a headrest

Details Method of producing a headrest Method of producing a headrest

1985-09-09

1986-10-28

Ball, Michael

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156213, 156214, 156228, 297391, B32B 3104

Patent

active

046197257

ABSTRACT:
Herein disclosed is a method of producing a headrest comprising preparing a lower mold formed with a rectangular gutter-like cavity leaving a central land, extending a thermoplastic film over the shaped work face of the lower mold, and softening the plastic film by heating it. The method further includes placing an upper mold with a counter-shaped face onto the work face of the lower mold to provide a molded article of the thermoplastic film, applying the inner surface of the molded article with adhesive, putting a pad of shock-absorbing material into the molded article, and pressing the pad against the molded article to assure bonding therebetween. The method further comprises cutting the molded article at the portions other than the portions which substantially cover the pad, thereby to provide freely movable fragments of the film, and folding back the fragments of the film to cover the remaining portions of the pad, thereby to provide one pad unit. In addition, the method comprises preparing another pad unit by carrying out the preceding steps, putting the two pad units together in face-to-face relationship with a cored member installed between them, and thrusting welts between the mutually facing faces of the assembled first and second pads.

REFERENCES:
patent: 3146143 (1964-08-01), Bolesky et al.
patent: 3423267 (1969-01-01), Munk
patent: 4323410 (1982-04-01), Urai
patent: 4337116 (1982-06-01), Foster et al.
patent: 4416716 (1983-11-01), Ichikawa et al.

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