Rapid coupling for plastic pipes

Details Rapid coupling for plastic pipes Rapid coupling for plastic pipes

1979-09-27

1981-10-06

Callaghan, Thomas F.

Pipe joints or couplings

With fluid pressure seal

Flexible lip

285319, 285322, 285331, F16L 1702

Patent

active

042931495

ABSTRACT:
The present invention relates to improved rapid coupling for plastic pipes, capable of being assembled by hand, comprising two cylindrical tubular pieces which are connected axially together by interlocking, with the interposition of a double-lipped gasket, the female piece being the receiver of the end of the pipe, the penetration of which causes the expansion of the female piece on the male piece, thus producing a watertight seal which is the greater, the higher the service pressure.

REFERENCES:
patent: 2103838 (1937-12-01), Bach
patent: 2727759 (1955-12-01), Elliott
patent: 3128476 (1964-04-01), Lash
patent: 3211476 (1965-10-01), Wagner
patent: 3219364 (1965-11-01), Wooldridge
patent: 3490793 (1970-01-01), Wagner
patent: 3565467 (1971-02-01), Haldopoulos et al.
patent: 4005883 (1977-02-01), Guest
patent: 4026581 (1977-05-01), Pasbrig

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