Removable vent stack test cap

Details Removable vent stack test cap Removable vent stack test cap

1995-01-18

1996-05-28

Scherbel, David

Pipes and tubular conduits

With closures and plugs

Test plugs

138 96R, F16L 55115

Patent

active

055202195

ABSTRACT:
Apparatus for use in capping a plumbing system vent pipe during testing of the plumbing system. The apparatus includes a capping member for capping the vent pipe which includes a mechanism responsive to force for removal of at least a portion of the capping member by an operator located remote from the plumbing system vent pipe. The plumbing system capping member is highly visible and may be removed from ground level.

REFERENCES:
patent: 1746999 (1930-02-01), Gits
patent: 4372585 (1983-02-01), Evora
patent: 4717608 (1988-01-01), Meltsch
patent: 4798301 (1989-01-01), Bullock et al.
patent: 4899903 (1990-02-01), Miyasaka et al.
patent: 4903855 (1990-02-01), Ducay et al.
patent: 5033510 (1991-07-01), Huber
patent: 5377361 (1995-01-01), Piskula
patent: 5411158 (1995-05-01), Kays et al.

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