Resilient cushion and method of manufacture

Details Resilient cushion and method of manufacture Resilient cushion and method of manufacture

2005-03-29

2005-03-29

Foelak, Morton (Department: 1711)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

C264S051000, C264S053000, C264S113000, C264S122000, C264S321000, C264SDIG006

Reexamination Certificate

active

06872755

ABSTRACT:
A method for making a resilient material includes providing a particulate polymer, discrete pieces of foam, a foaming agent 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: 4843105 (1989-06-01), Reischl et al.
patent: 5273697 (1993-12-01), Raad
patent: 5350776 (1994-09-01), Raad
patent: 5817703 (1998-10-01), Blair et al.

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