Underground drain pipe coupling

Details Underground drain pipe coupling Underground drain pipe coupling

1975-04-16

1976-07-13

Shapiro, Jacob

Pipe joints or couplings

With casing, lining or protector

Insulated

61 14, 285 13, 285419, E02B 1100

Patent

active

039686540

ABSTRACT:
A coupling for joining lengths of underground drainage pipe without inhibiting the flow of water into or along the pipe.

REFERENCES:
patent: 926532 (1909-06-01), Wilson
patent: 3679242 (1972-07-01), Hess

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