Flange for a duct

Details Flange for a duct Flange for a duct

1980-01-02

1981-08-11

Arola, Dave W.

Pipe joints or couplings

Flange

285424, F16L 2300

Patent

active

042830800

ABSTRACT:
A flange for coupling one duct with another. The flange has four flange pieces, each of which has two walls connected so as to form an L-shaped section. One of the two walls has at one end thereof an extension. At the other end of the flange piece, the other of the two walls is provided with a hook.

REFERENCES:
patent: 696603 (1902-04-01), Smith
patent: 2498753 (1950-02-01), Deitsch
patent: 2679410 (1954-05-01), Boughton

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