Corrugated pipe coupling

Details Corrugated pipe coupling Corrugated pipe coupling

1992-09-11

1994-03-08

Reese, Randolph A.

Pipe joints or couplings

With assembly means or feature

With holding means functioning only during transportation...

285318, 285322, 285356, 285903, B65D 5900, F16L 1902

Patent

active

052921565

ABSTRACT:
A pipe coupling for the union of a corrugated pipe therewith is formed of a pipe coupling proper and a lock cylinder for fixing a corrugated pipe. The lock cylinder is helically joined to the inner surface of the leading part of the pipe coupling proper and fixes the corrugated pipe by rotationally closing the lock cylinder helically tacked to the pipe coupling proper, and at the same time seals the pipe coupling proper by pressing the leading terminal part of the lock cylinder against a seal ring attached fast to the interior of the pipe coupling proper, enabling the corrugated pipe to be infallibly locked and sealed owing to the provision of a spacer adapted to preset and keep a closing distance for the lock cylinder. The spacer is detachably attached to the periphery of the pipe coupling proper.

REFERENCES:
patent: 1371981 (1921-03-01), Rose
patent: 2112238 (1938-03-01), Guarnaschelli
patent: 2503169 (1950-04-01), Phillips
patent: 4063757 (1977-12-01), Fuhrmann
patent: 4437691 (1984-03-01), Laney
patent: 4606564 (1986-08-01), Kurachi
patent: 4674775 (1987-06-01), Tajima et al.
patent: 4904002 (1990-02-01), Sasa et al.
patent: 4995832 (1991-02-01), Thommen et al.
patent: 5080405 (1992-01-01), Sasa et al.
patent: 5131696 (1992-07-01), Sykes et al.

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