Irrigation pipe coupler

Details Irrigation pipe coupler Irrigation pipe coupler

1977-11-14

1979-02-13

Arola, Dave W.

Pipe joints or couplings

With fluid pressure seal

Coacting opposing duplicate

2771675, 277205, 285328, 285352, 285365, 285DIG19, F16L 1700

Patent

active

041392230

ABSTRACT:
The specification discloses a torque coupling having two tubular coupling members having flanges with interlocking teeth wedged together by a clamping ring. The flanges have opposed grooves in which are positioned elastomer sealing rings having shallow grooves with sharp edges forming vacuum seals with the bottoms of the grooves in the flanges, the rings being pressed together.

REFERENCES:
patent: 1071235 (1913-08-01), Hutton
patent: 2087916 (1937-07-01), Lanninger
patent: 3442515 (1969-05-01), Murauskas
patent: 3647229 (1972-03-01), Grimes

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