Fluid handling – Destructible or deformable element controlled
Patent
1982-02-16
1983-09-20
Weakley, Harold W.
Fluid handling
Destructible or deformable element controlled
137360, 137362, F16K 1304
Patent
active
044049811
ABSTRACT:
Disclosed is a scupper or a drain device comprising an open-ended pipe adapted to be mounted through a wall at floor level and having a water-soluble substantially non-hygroscopic sealing film mounted and frictionally held in place adjacent the inlet opening of a pipe by a retaining ring.
REFERENCES:
patent: 1104806 (1914-07-01), Kahn
patent: 3209732 (1965-10-01), Laken
patent: 3787650 (1974-01-01), Lewis
patent: 3939863 (1976-02-01), Robison
Armstrong World Industries Inc.
Weakley Harold W.
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