Stock material or miscellaneous articles – Sheet including cover or casing
Patent
1983-12-22
1985-05-28
Van Balen, William J.
Stock material or miscellaneous articles
Sheet including cover or casing
428 76, 428 81, 428157, 428177, 428192, 428464, 428920, B32B 104, B32B 302, B32B 1510
Patent
active
045200572
ABSTRACT:
A composite plate including a core plate, and top surface and bottom surface metallic plates which are folded to enclose the core plate to provide an airtight seal to the core plate. The composite plate has particular utility for use as a structural plate, such as floor plate, ceiling plate, etc.
REFERENCES:
patent: 648632 (1900-05-01), Parker
patent: 1575842 (1926-03-01), Johnston
patent: 2011130 (1935-08-01), Ward
patent: 2042721 (1935-05-01), Loewy
Fujii Hideichi
Kawai Fumio
Yamane Chiyoki
Kawasaki Jukogyo Kabushiki Kaisha
Koshii & Co., Ltd.
Van Balen William J.
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