Switching valves

Details Switching valves Switching valves

1977-02-22

1979-08-21

Rosenthal, Arnold

Fluid handling

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

Cleaning or steam sterilizing

13762546, 425562, F16K 1107, F16K 11085

Patent

active

041649567

ABSTRACT:
Switching valves, e.g. for a closed-type molding apparatus for manufacturing polyurethane elastomers and the like, comprising a valve body having a plurality of openings, preferably five, serving as inlet and outlet ports, and a preferably rotatable valve sleeve which serves for switching the openings without any danger of introducing any other material into the switching valve system. Connections are made between pairs of adjacent openings, one of them being cut off from communication.

REFERENCES:
patent: 294216 (1884-02-01), Fletcher
patent: 525462 (1894-09-01), Jones
patent: 579432 (1897-03-01), Harrison
patent: 911858 (1909-02-01), Watters
patent: 2182459 (1939-12-01), Vickers
patent: 2822821 (1958-02-01), Gordon

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