Cushion and method

Details Cushion and method Cushion and method

1997-03-20

1998-11-10

O'Sullivan, Peter

Sewing

Method of sewing

On specified product

112402, 112420, 112429, 112440, 428 71, D05B 9300, B32B 708

Patent

active

058328521

ABSTRACT:
A method of forming cushions by needle punching is demonstrated in which superior structural integrity is achieved without adhesives or other external fasteners. The process is economical and utilizes polyurethane foam which is mechanically bound by needle punching to various polymeric fibers. In an alternate embodiment of the process, the needle punching causes the fibers to penetrate the foam block at an angle to the vertical for greater mechanical bonding between the fiber layer and the foam block. The cushion so formed by the various processes can be covered or upholstered as needed for furniture seating and other purposes.

REFERENCES:
patent: 3354020 (1967-11-01), Copeland
patent: 3821065 (1974-06-01), Copeland et al.
patent: 4369081 (1983-01-01), Curry et al.
patent: 4606088 (1986-08-01), Michaelson et al.
patent: 5100724 (1992-03-01), LaMarca, II et al.

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