Resilient cushion method of manufacture

Details Resilient cushion method of manufacture Resilient cushion method of manufacture

1998-06-03

2000-02-22

Theisen, Mary Lynn

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

Stratified or layered articles

264122, B29C 3502

Patent

active

060276746

ABSTRACT:
A method for making a resilient cushion includes providing a particulate polymer, discrete pieces of foam and a plasticizer. The polymer, foam pieces and plasticizer are mixed and disposed in a mold. The mold is heated to cause melting of the polymer without melting of the foam. After coating of the melted polymer, a heterogeneous resilient cushion is formed with gelated polymer surrounding the discrete foam pieces.

REFERENCES:
patent: 5366678 (1994-11-01), Nomizo et al.
patent: 5378296 (1995-01-01), Vesa
patent: 5456873 (1995-10-01), Nomizo
patent: 5482665 (1996-01-01), Gill
patent: 5494627 (1996-02-01), Kargol et al.
patent: 5569425 (1996-10-01), Gill et al.
patent: 5633286 (1997-05-01), Chen

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