Coupling pipe part for interconnecting corrugated pipe parts

Details Coupling pipe part for interconnecting corrugated pipe parts Coupling pipe part for interconnecting corrugated pipe parts

1983-09-20

1984-04-10

Scanlan, Jr., Richard J.

Pipe joints or couplings

Sleeve

285390, 285319, 285DIG4, 285DIG22, F16L 2100, F16L 1500, F16L 3900

Patent

active

044417454

ABSTRACT:
A plastic coupling pipe part for connecting corrugated plastic pipe comprises abutment projections and a radially resilient displaceable lip, carrying an inwardly directed cam. The lip is surrounded by openings delimited by a rectangular incision in the plastic pipe. The transition part connecting the lip with the pipe wall has a smaller width than the end edge of the lip.
In a pipe connection with such a coupling pipe part the coupling cam engages a flank of a wave valley of a corrugated pipe.

REFERENCES:
patent: 2869099 (1959-01-01), Robinson
patent: 3785682 (1974-01-01), Schaller et al.
patent: 3899198 (1975-08-01), Maroschak
patent: 4247136 (1981-01-01), Fouss et al.
patent: 4286808 (1981-09-01), Fouss et al.

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