Automatic valve

Details Automatic valve Automatic valve

1996-10-07

1997-05-13

Ferensic, Denise L.

Fluid handling

With repair, tapping, assembly, or disassembly means

Removable valve with normally disabled supplemental check valve

13761405, F16K 4300

Patent

active

056283407

ABSTRACT:
An automatic valve, which is able to automatically seal a pipe when a tap is removed from the pipe, is disclosed. The valve consists of a collar, a disc and an "X" shaped member. The collar defines a central hole and a male threaded portion at an outer periphery thereof to engage with a female threaded portioned portion at the outlet of the pipe. Two opposed protrusions extend from a side face of the collar. Each of the protrusions axially defines a pair of slots. The disc is shaped for being exactly received within the central hole of the collar. The "X" shaped member is formed of a pair of integrated and intersected arms and has four ends radially and respectively received within the slots. A stem integrally and perpendicularly extends from a crossover point of the arms to the disc through the central hole of the collar. In a preferred embodiment, the central hole of the collar is configured as a tapered hole and an outer periphery of the disc is shaped as a cone corresponding to the tapered hole of the collar.

REFERENCES:
patent: 1383272 (1921-06-01), Woore
patent: 1797132 (1931-09-01), Diggle

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