Metal plate of high strength and flexibility

Details Metal plate of high strength and flexibility Metal plate of high strength and flexibility

1997-03-07

2000-04-25

Stodola, Daniel P.

Movable or removable closures

With operator for movably mounted closure

Drive within closure housing

49374, E05F 1144

Patent

active

060529458

ABSTRACT:
A strong metal plate having flexibility includes a flat portion, a plurality of first protuberances projecting from the flat portion in one direction of the thickness direction of the flat portion and a plurality of second protuberances projecting from the flat portion in the other direction of the thickness.

REFERENCES:
patent: Re7198 (1876-07-01), Barker et al.
patent: 2441476 (1948-05-01), Ewald
patent: 4044186 (1977-08-01), Stangeland
patent: 4221079 (1980-09-01), Becker
patent: 5008140 (1991-04-01), Schmertz
patent: 5101596 (1992-04-01), Moore
patent: 5255470 (1993-10-01), Dupuy
English Abstract of DE 43 37 678 A1.
Oehler. G., Die in Blech eingepragte Sicke als Versteifungselement, Konstruktion 22 (1970), 1st issue, pp. 5 to 9.
Official Letter dated Aug. 12, 1996 in corresponding German patent application.
English translation of official letter dated Aug. 12, 1996.

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