Quick-acting coupling

Details Quick-acting coupling Quick-acting coupling

1990-06-22

1991-02-05

Fox, John C.

Fluid handling

With cleaner, lubrication added to fluid or liquid sealing...

Cleaning or steam sterilizing

137614, 285 13, F16K 4900

Patent

active

049896300

ABSTRACT:
A first coupling (51) and a second coupling (52) composing a quick-acting coupling (26) are respectively provided with check valve bodies (54)(154) and non-spill valve bodies (55)(155). When both the couplings (51)(52) are manipulated for the disconnection thereof, a leak of liquid is adapted to be prevented by means of the respective check valve bodies (54)(154) as well as a spill of liquid is adapted to be prevented by means of the non-spill valve bodies (55)(155). The respective non-spill valve bodies (55)(155) are fitted slidably inside respective non-spill valve port surfaces (71)(171) so as to carry out a liquid sealing respectively. Further, at the time of disconnecting manipulation of the coupling (26), a volume of the liquid phase portion within a non-spill valve casing chamber (63) is adapted to be increased by the movement of a non-spill valve casing (56) in which the first non-spill valve body (55) is fitted.

REFERENCES:
patent: 3240225 (1966-03-01), Barrows
patent: 3429588 (1969-02-01), Nelson
patent: 4253684 (1981-03-01), Tolbert et al.

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