Cushion or seat structure of plastic foam with integrated cover

Details Cushion or seat structure of plastic foam with integrated cover Cushion or seat structure of plastic foam with integrated cover

1977-04-11

1978-09-19

Kittle, John E.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

264 465, 264 466, 264 468, 297452, 297DIG1, A47C 718

Patent

active

041151704

ABSTRACT:
An integrated cushion structure, such as automobile or aircraft seat or seat back, an office chair, or the like and the method of making it, are disclosed. The cushion structure is comprised of fabric or other pliable cover sheet material forming an envelope constituting the exposed surface as well as defining the shape or configuration of the cushion structure. The structure includes at least one internal pliable sheet material partitioning member disposed parallel to and co-extensive area-wise with the active seat or back-forming area of the finished product. The envelope is thus divided interiorily by the partitioning member into several compartments into which a foam mix is introduced. The method of manufacture involves first peripherally bonding together an assemblage of congruent cover and internal partitioning sheets, together with one or more similarly configured annular profile strips, to form a peripherally closed envelope. The envelope is provided with an access opening which permits the envelope to be inverted on itself (i.e., turned inside-out) upon completion of the seaming operation, preliminary to introduction of plastic foam mix. Such access opening may also serve to allow introduction of reinforcing grids, attachment fittings, etc., before introducing the plastic foam mix.

REFERENCES:
patent: 3161436 (1964-12-01), Hood
patent: 3270393 (1966-09-01), Levenson
patent: 3589967 (1971-06-01), Shirakawa

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