Pan structure

Details Pan structure Pan structure

1977-06-23

1978-03-14

Lowrance, George E.

Receptacles

Receptacle side wall made of two or more layers of material...

Beverage receptacle

229 31R, 220 83, 220 75, B65D 742, B65D 524

Patent

active

040786900

ABSTRACT:
The top and sump pans of an evaporative cooler housing are formed of sheet metal and each have a planar surface with folded marginal flanges and are formed with diagonally folded corners that are structurally strong, leakproof and facilitate interconnection of the pans with interconnecting structural members.

REFERENCES:
patent: 927537 (1909-07-01), Hothersall
patent: 1933857 (1933-11-01), Jones
patent: 1975613 (1934-10-01), Nystrom et al.
patent: 2120902 (1938-06-01), Moore
patent: 4049150 (1977-09-01), Goettl

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