Roof drain

Details Roof drain Roof drain

1995-05-30

1997-04-08

Popovics, Robert J.

Liquid purification or separation

Structural installation

Grated inlet surface drain

210166, 285 42, E04D 1304, E03F 504

Patent

active

056184166

ABSTRACT:
A roof drain including a grated, inverted, frusto-conically-shaped cover received in a roofing material clamp having a radial, upstanding, debris-discouraging flange. The cover and roof material clamp are demountably fixed to a flanged drain body and clampingly maintain roof material therebetween. The drain body is received by a flanged sleeve. The drain body and sleeve flanges clampingly maintain roof substrate therebetween by means of a nut threadingly interengaged with threads on the drain body which urges the sleeve toward the roof substrate.

REFERENCES:
patent: 3809411 (1974-05-01), Emberson
patent: 3884809 (1975-05-01), Logsdon
patent: 3909412 (1975-09-01), Patry
patent: 4243251 (1981-01-01), Lindquist
patent: 4487690 (1984-12-01), Logsdon
patent: 4505499 (1985-03-01), Uglow
patent: 4505814 (1985-03-01), Marshall
patent: 5141633 (1992-08-01), Walczak et al.

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