Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1974-05-23
1976-05-11
Rutledge, L. Dewayne
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
29193, 291935, B44C 504
Patent
active
039552616
ABSTRACT:
Panel of nonferrous metal sheet for covering facings, particularly a panel consisting of aluminium metal sheet, characterized in that said panel has an embossed surface provided with irregular areal depressions predominantly having a width of at least 10 mm and a depth of 10 to 30%, preferably approximately 25%, of the greatest panel thickness, the total area of the depressions corresponding to 20 to 50%, preferably to approximately 25%, of the whole panel surface, and that the rear side of the panel is flat.
REFERENCES:
patent: 2577423 (1951-12-01), Ludwig et al.
patent: 2684291 (1954-07-01), Wilson et al.
patent: 2941930 (1960-06-01), Mostovych et al.
patent: 3109331 (1963-11-01), Cordray et al.
patent: 3280614 (1966-10-01), Cordray et al.
Appel Carl
Gsollpointner Helmuth
Heiss Wilhelm
Rutledge L. Dewayne
Steiner Arthur J.
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