Static structures (e.g. – buildings) – Enclosure or cover – with supplemental fluid-guiding port... – Attic vent
Patent
1978-03-06
1979-07-10
Faw, Jr., Price C.
Static structures (e.g., buildings)
Enclosure or cover, with supplemental fluid-guiding port...
Attic vent
52218, 285 42, 277152, 277181, E04B 700
Patent
active
041603478
ABSTRACT:
To form a seal between a roof and a pipe projecting through this roof, it is known to construct roof flashing structures having a flat plate which has a centralized opening and an upstanding tapered housing attached to the flat plate and extending around said opening. Such roof flashing structures can be improved by providing the top of the housing with an annular sealing ring seat which has an external wall formed as an extension of the housing wall, an interior wall, parallel to the exterior wall, and a top wall connecting the exterior and interior walls. These three walls define a channel within the housing. The channel opens in a downward direction toward the plate and a rib on a sealing ring fits into this channel and seats the sealing ring into the sealing ring seat. The sealing ring has a groove extending circularly around its upper surface and this groove defines both the rib which fits into the sealing ring seat channel and a second inner rib which has a plurality of flanges extending circularly around this second rib. These flanges meet up against and form a seal with a pipe.
REFERENCES:
patent: 2893770 (1959-07-01), Poncet
patent: 3098663 (1963-07-01), Dibley
Faw Jr. Price C.
Friedman Carl D.
O'Brian Edward D.
The Logsdon Foundation
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