Cork chip moulding

Details Cork chip moulding Cork chip moulding

1992-03-17

1993-10-26

Ryan, Patrick J.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

4284111, 428489, 428455, 428326, B32B 900

Patent

active

052564789

ABSTRACT:
A cork chip moulding includes a mixture of cork chips and a viscoelastic material, which mixture is dispersed in or bound with a polyurethane. The cork chip moulding is superior in sound and heat insulations, and in rigidity.

REFERENCES:
patent: 2584959 (1948-09-01), Yocom et al.
patent: 3416244 (1968-12-01), Radcliffe et al.
patent: 3821135 (1974-06-01), King

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