Terminal pipe fitting provided with a self-locking device for th

Details Terminal pipe fitting provided with a self-locking device for th Terminal pipe fitting provided with a self-locking device for th

1981-11-04

1984-01-17

Chambers, A. Michael

Valves and valve actuation

With correlated flow path

Flow path joint interlocked with valve or actuator

251 895, 285 85, 13761406, F16L 3728

Patent

active

044260636

ABSTRACT:
The pipe fitting includes a movable seat equipped with an appendix enagageable from its front side by the mouth during the approach of the pipe fitting to the mouth. As a result of such engagement, the movable seat moves to a latching position to put itself on a flange portion of the mouth and to keep the latter in close contact with the end of the pipe fitting. In the meantime the movable seat releases an elastically stressed bar which in its turn unlocks a check-valve in the fitting, allowing to open. Once it is free, the bar keeps moreover the movable seat in its latched position.

REFERENCES:
patent: 3168125 (1965-02-01), Rosell
patent: 3295553 (1967-01-01), Garrett et al.
patent: 3479005 (1969-11-01), De Graaf
patent: 3884448 (1975-05-01), Millar et al.
patent: 4030524 (1977-06-01), McMath et al.

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