Metal fusion bonding – Process – Critical work component – temperature – or pressure
Patent
1979-04-09
1980-09-23
Larson, Lowell A.
Metal fusion bonding
Process
Critical work component, temperature, or pressure
113120E, 113120V, 228196, B21D 5118
Patent
active
042236193
ABSTRACT:
A baking pan comprising a bottom wall and side walls formed from a single blank of sheet metal having smooth inner and outer wall surfaces and providing corners connecting the adjacent side walls which are substantially thicker than the side walls. The terminal portions of the side walls remote from the bottom wall having flange portions formed to impart rigidity to the pan and provide securement means to other pans when positioned in a side-by-side relationship. A circumferential band encompassing multiple pans in a side-by-side relationship to complete the assembly of pans.
REFERENCES:
patent: 2237535 (1941-04-01), Wahl
patent: 3245143 (1966-04-01), Chopinet et al.
patent: 3265022 (1966-08-01), Kaufman
American Home Products Corporation
Larson Lowell A.
Teichert Robert D.
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