Pipe coupling used with automatic connecting and disconnecting d

Details Pipe coupling used with automatic connecting and disconnecting d Pipe coupling used with automatic connecting and disconnecting d

1990-12-05

1991-11-12

Chambers, A. Michael

Fluid handling

Systems

Flow path with serial valves and/or closures

137614, F16L 3728

Patent

active

050639641

ABSTRACT:
A pipe coupling consisting of male and female elements for connecting and disconnecting a hydraulic or pneumatic piping used for industrial machinery. Each coupling element includes a check valve therein which is actuated by connecting and disconnecting operation to automatically open the passageway of the coupling when it is connected and to automatically close it when it is disconnected.
The inventive pipe coupling is designed for use with a conventional automatic connecting and disconnecting device such as automatic coupling device for large scaled industrial machinery.

REFERENCES:
patent: 2208286 (1940-07-01), Berger
patent: 2254997 (1941-09-01), Fisher
patent: 2304390 (1942-12-01), Wolfram
patent: 2854259 (1958-09-01), Clark
patent: 3285283 (1966-11-01), Calvin
patent: 4903730 (1990-02-01), Otsuki et al.

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