Vent pipe shield

Details Vent pipe shield Vent pipe shield

1992-08-11

1993-09-21

Friedman, Carl D.

Static structures (e.g., buildings)

Enclosure or cover, with supplemental fluid-guiding port...

Attic vent

52105, 285 43, E04D 1308

Patent

active

052458040

ABSTRACT:
A roof vent pipe shield comprising an outer plastic cylinder and an inner plastic cylinder connected at one end by portions that are fusion bonded to one another such that there is a space between the cylinders. An outwardly flared portion extends from the other end of the outer cylinder for engagement with the roof. The flared portion terminates in a free edge lying in a plane which is at an angle to the axes of the cylinders. Indicia are provided on the inner surface of the flared portion to indicate the lines along which the flared portion should be cut to accommodate roofs of different pitch.

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patent: 4563847 (1986-01-01), Hasty
patent: 4768812 (1988-09-01), Katz
patent: 4897974 (1990-02-01), Lane
patent: 5010700 (1991-04-01), Blair
patent: 5018748 (1991-05-01), Schalle

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