Stock material or miscellaneous articles – Sheet including cover or casing
Patent
1979-11-13
1981-08-25
Czaja, Donald E.
Stock material or miscellaneous articles
Sheet including cover or casing
264 451, 264 464, 264219, 264250, 236 352, B32B 302, B32B 304
Patent
active
042860016
ABSTRACT:
The present invention concerns a process for the production of industrial parts of synthetic material comprising a portion of a rigid material surmounted by a portion of a flexible material, and in particular industrial parts serving as a means for making a seal between different parts of heating or air-conditioning equipment.
REFERENCES:
patent: 3123403 (1964-03-01), Hood
patent: 3466700 (1969-09-01), Harrison
patent: 3478134 (1969-11-01), Gruss et al.
patent: 3929948 (1975-12-01), Welch et al.
patent: 4106658 (1978-08-01), Brandon
patent: 4118553 (1978-10-01), Buckethal et al.
Czaja Donald E.
Les Manufactures de Saint Marcel
Thompson W.
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