Pipe joints or couplings – Connector for conduit housing electromagnetic line: – Having box and connector
Patent
1975-05-05
1976-10-19
Arola, Dave W.
Pipe joints or couplings
Connector for conduit housing electromagnetic line:
Having box and connector
285376, F16L 304
Patent
active
039867331
ABSTRACT:
A water outlet has a collector funnel for water to be drained from a roof surface or the like. A ring is fitted, with a groove and projection bayonet-type fixing, in the funnel, and thereby secures to the funnel a covering sheet or film. The sheet is intended to extend over an annular flange on the funnel, and be joined to the roof surface, to seal the outlet to the roof surface. The ring is preferably embedded in the sheet.
REFERENCES:
patent: 655672 (1900-08-01), Engel
patent: 2421228 (1947-05-01), White
patent: 2522757 (1950-09-01), Larson
patent: 2839316 (1958-06-01), Kasper
Arola Dave W.
Jeffery Donald D.
Klaus Esser KG
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