Laminated cookware units

Details Laminated cookware units Laminated cookware units

1973-01-24

1976-01-06

Lovell, C.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

291962, 220 64, B02D 2014

Patent

active

039308065

ABSTRACT:
A multiply durable laminated cookware unit includes components having a ferrous steel core ply roll plated with second and third aluminum plies which are softer and anodic relative to the core ply and which are bonded to the core ply under pressure so as to provide exposed surfaces on the unit which exhibit the properties of rolled solid aluminum sheets. The exposed edge of the steel core can be protected by drawing at least one of the softer anodic aluminum cover sheets such that it extends beyond the harder steel core and the extended portion of the aluminum sheet is folded over the steel core to seal the edge end of the steel core therebeneath.

REFERENCES:
patent: 1792377 (1931-02-01), Jordan
patent: 2468206 (1949-04-01), Keene
patent: 2664874 (1934-01-01), Graham
patent: 2941289 (1960-01-01), Chace
patent: 3173202 (1965-03-01), Farber
patent: 3456332 (1969-07-01), Belalov
patent: 3468695 (1969-09-01), Federman
patent: 3490126 (1970-01-01), Miller
patent: 3788513 (1974-01-01), Aaez

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