Pipe flashing unit

Details Pipe flashing unit Pipe flashing unit

1976-09-01

1978-10-17

Perham, Alfred C.

Static structures (e.g., buildings)

Flue connection to building structure

52 58, 285 4, 285 44, E04D 1314, E04G 1506

Patent

active

041201299

ABSTRACT:
A roof mountable pipe flashing unit allows penetration of the roof surface by a single pipe while effectively weather-proofing the site of penetration. A selectively separable sealing element enables a weathertight seal to be formed with pipes whose diameters fall within a selected range.

REFERENCES:
patent: 1258884 (1918-03-01), Fife
patent: 2510926 (1950-06-01), Goldstein
patent: 3313559 (1967-04-01), Kifer
patent: 3602530 (1971-08-01), Elwart
patent: 3677576 (1972-07-01), Gustafson
patent: 3731952 (1973-05-01), Elwart
patent: 3797181 (1974-03-01), Nievelt
patent: 3807110 (1974-04-01), Kaminski
patent: 3866950 (1975-02-01), Skoch et al.

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