Water barrier to prevent seepage past pipes installed through a

Details Water barrier to prevent seepage past pipes installed through a Water barrier to prevent seepage past pipes installed through a

1976-05-07

1977-12-20

Callaghan, Thomas F.

Pipe joints or couplings

End to side or plate

4172, F16L 502

Patent

active

040637590

ABSTRACT:
A water barrier device for assembly about a pipe passing through a masonry wall to prevent seepage of water along the interface between the exterior of the pipe and the wall material. The barrier comprises a tubular sleeve and encircled by flanges having a fluid-tight fit with the pipe along a portion thereof embedded in and sealed to an impervious coating for the wall surface.

REFERENCES:
patent: 1855258 (1932-04-01), Sirch
patent: 2073784 (1937-03-01), Day
patent: 2729093 (1956-01-01), Ridley
patent: 3278949 (1966-10-01), Whitaker
patent: 3591190 (1971-07-01), Winay et al.
patent: 3759285 (1973-09-01), Yoakum
patent: 3787061 (1974-01-01), Yoakum
patent: 3787078 (1974-01-01), Williams
patent: 3874063 (1975-04-01), Skinner et al.
patent: 3914843 (1975-10-01), Antonacci

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