Flue cap

Pipes and tubular conduits – End protectors – Threaded

Reexamination Certificate

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Details

C220S287000, C215S319000, C454S367000

Reexamination Certificate

active

06978803

ABSTRACT:
A flue cap is provided comprising a body defining a plurality of attachment surfaces adapted for selectively matingly engaging a selected flue from a plurality of different size flues. The flue cap comprises a polymer material defining an attachment surface that is adapted for a close mating engagement with an outer diameter of the selected flue and defines an aperture establishing a passageway in fluid communication with the flue and passing through the cap. A flue assembly is constructed by steps comprising providing an open end of the flue; providing a flue cap comprising a polymer material defining an attachment surface that is adapted for a close mating engagement with an outer diameter of a flue, bonding the flue cap to the flue with an adhesive; and flowing a fluid out the open end of the flue and through the flue cap.

REFERENCES:
patent: 510884 (1893-12-01), Bradley
patent: 1139129 (1915-05-01), Lyons
patent: 1371669 (1921-03-01), Davis
patent: 2277982 (1942-03-01), Hosbein
patent: 2488249 (1949-11-01), White
patent: 2873765 (1959-02-01), Gregory
patent: 3031783 (1962-05-01), Burke
patent: 3807457 (1974-04-01), Logsdon
patent: 3884134 (1975-05-01), Jordan
patent: 4285440 (1981-08-01), Adams
patent: 4399743 (1983-08-01), Izzi, Sr.
patent: 5374121 (1994-12-01), Draenert
patent: 5645347 (1997-07-01), Draenert
patent: 5678720 (1997-10-01), Van Melle
patent: 5915418 (1999-06-01), Turner
Photograph of standard plumbing fittings attached to the flue, taken in Jan., 2004.
Photograph of standard plumbing fittings attached to the flue, taken in Jan., 2004.
Photograph of standard plumbing fittings attached to the flue, taken in Jan., 2004.

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