Fluid control method and device

Details Fluid control method and device Fluid control method and device

1991-05-10

1991-12-03

Rivell, John

Fluid handling

Processes

Cleaning, repairing, or assembling

137241, 137522, 141 90, 141 91, 141DIG1, 251 65, 251340, F16K 1518, B08B 903

Patent

active

050692399

ABSTRACT:
A liquid packaging machine includes a filler containing a non-return valve spring-biased closed. The valve includes a closure member to a stem of which is fixed a centering spider, the spokes of which contain iron members. Distributed around the valve housing are horseshoe, permanent magnets. During production of filled cartons, the magnet device is positioned so as not to interfere with the movement of the closure member. However, when air is to be bled from the filler and/or the filler is to be steam-sterilized, the magnet device is positioned to attract the iron members to open the valve against the spring bias.

REFERENCES:
patent: 2698120 (1954-12-01), Fairchild
patent: 2845099 (1958-07-01), Bailey
patent: 3385327 (1968-05-01), Granier
patent: 3500880 (1970-03-01), Meyer, Sr.
patent: 3513024 (1970-05-01), Culliton
patent: 3650678 (1972-03-01), Hansen
patent: 3774655 (1973-11-01), Trusselle
patent: 4245814 (1981-01-01), Shimizu
patent: 4349042 (1982-09-01), Shimizu
patent: 4631923 (1986-12-01), Smith
patent: 4716921 (1988-01-01), Rangwala

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