Static structures (e.g. – buildings) – Flue connection to building structure
Patent
1998-10-20
2000-09-26
Callo, Laura A.
Static structures (e.g., buildings)
Flue connection to building structure
52 58, 527414, 4218, 285 42, 277314, 277605, 24279, 24280, E04D 1314
Patent
active
061228702
ABSTRACT:
A stack ban for sealing a pipe and boot extending from a roof of a building is disclosed. The stack ban includes a band of flexible material having a smooth inner surface and an outer surface. The inner surface has a circumference substantially equal to a circumference of the pipe and forms a seal between the pipe and boot. The stack ban is preferably secured in a place by a clamp threaded inside of the band and tightened during the installation process. The band is preferably made of neoprene rubber.
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Applicant installed an early prototype of the invention on his sister's house and a friend's house more than one year prior to filing the present patent application to test the invention. However, the use was not for profit, was out of the view of the public, was limited to two occurrences, and the utility of the invention was not known until the Applicant realized how well the invention has worked.
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