Pipe coupling

Details Pipe coupling Pipe coupling

1976-03-26

1977-09-20

Kundrat, Andrew V.

Joints and connections

Branched

Three or more radiating members

403402, 403295, F16B 700

Patent

active

040493555

ABSTRACT:
A pipe coupling includes a base portion and a plurality of insertion legs integrally extending from the base portion. Each of the insertion legs has the free end rounded and equally spaced longitudinal ridges so as to effect four side friction fits in the inner periphery of a pipe to be connected. At least one of the ridges is given an elasticity by opposing slots longitudinally provided below the ridge and has a round projection at the outer end portion and an upward slant extending towards the inner end. The extremity of the slant defines a sharp point for preventing the removal of the insertion leg out of the pipe.

REFERENCES:
patent: 3799685 (1974-03-01), Smith
patent: 3858989 (1975-01-01), Field
patent: 3873220 (1975-03-01), Kashiwabara
patent: 3932046 (1976-01-01), Kawazu

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