Rubber linings

Stock material or miscellaneous articles – Structurally defined web or sheet – Nonplanar uniform thickness material

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Details

428213, 428217, 428493, B32B 300, B32B 702, B32B 2500

Patent

active

047343141

ABSTRACT:
A rubber lining component is composed of an upper part which has a different degree of hardness to a lower part. The upper part may have a Shore hardness of 70 while the lower part has a Shore hardness of 35.

REFERENCES:
patent: 2167716 (1939-08-01), Harkins
patent: 2744280 (1953-07-01), O'Neil, Jr.
patent: 4215178 (1980-07-01), Martin, Jr.
patent: 4366196 (1982-12-01), Maekawa et al.
patent: 4446192 (1984-05-01), Dehlen
patent: 4447488 (1984-05-01), Simm et al.
patent: 4567088 (1986-01-01), Skogman et al.

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