Static structures (e.g. – buildings) – Flue connection to building structure
Patent
1994-12-09
1999-01-19
Canfield, Robert
Static structures (e.g., buildings)
Flue connection to building structure
52 58, 52218, 285 42, E04D 1314, E04D 136
Patent
active
058602569
ABSTRACT:
An improved two-piece roof flashing comprises a thermoplastic hard base and an elastomeric rain collar. The hard base comprises a planar base plate with a central dome-like portion, with the dome-like portion having a central opening with a solid flange inwardly disposed and encircling the opening. The rain collar has a central opening sized to accommodate an upstanding roof pipe. The rain collar is molded directly onto the solid flange of the hard base, with the resulting seam between the rain collar and hard base being strong and weathertight. When the collar is molded onto the flange of the base element, the materials of the collar and flange fuse together along the seam between the collar and base element. Additionally, with the collar directly molded to the flange, the design of the flange creates a lengthy path that water must traverse in order to penetrate the roof flashing.
REFERENCES:
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patent: 5347776 (1994-09-01), Skoff
Never-Leak device (as described in Info. Disclosure Statement attached hereto).
Canfield Robert
IPS Corporation
Yanny Joseph A.
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