Method of making floating seat cushion

Details Method of making floating seat cushion Method of making floating seat cushion

1976-09-13

1977-08-02

Van Balen, William J.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156290, 428 68, 428 12, 428 71, 428 76, 428194, 428311, 428315, B32B 3100

Patent

active

040393631

ABSTRACT:
A floating seat cushion which is capable of emergency use as a life preserver. The seat cushion comprises a center core of open cell polyurethane foam material surrounded by an outer layer of closed cell polyethylene foam material. A belt extends transversely adjacent one side of the center core to form a pair of loops which extend outwardly from opposite sides of the cushion. The belt is preferably laminated between the center core and outer layer. The cushion is preferably formed by placing the center core outer layer and belt in overlying relationship to each other with adhesive between them. The assembly is then placed in a press and compressed to cause the center core to collapse so that the peripheral portions of the outer layer can be bonded together to enclose the center core. Air is then replaced into the center core to cause the cushion to assume a convex or crown shape. The completed cushion is preferably coated with vinyl.

REFERENCES:
patent: 2660194 (1953-11-01), Hoffman
patent: 2878153 (1959-03-01), Hacklander

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