Valve arrangement on packing machines

Details Valve arrangement on packing machines Valve arrangement on packing machines

1985-07-23

1986-09-02

Coan, James F.

Package making

Progressively seamed cover web or web folds

With closing of web between package units

53554, B65B 3700

Patent

active

046088105

ABSTRACT:
In packing machines of the type which manufacture packing containers with liquid contents a filling pipe with a valve arrangement situated at the outlet end is frequently used. The valve arrangement that is described comprises a movable valve element which is manoeuvred with the help of pressure variations in the filling pipe. The movable valve element is cup-shaped and is adapted so that it is lifted through excess pressure in the filling pipe from a fixed seat so that an annular discharge opening results.

REFERENCES:
patent: 3488914 (1970-01-01), Csernak
patent: 4219054 (1980-08-01), Carter et al.
patent: 4352977 (1982-10-01), Hardigg et al.
patent: 4494363 (1985-01-01), Rica et al.
patent: 4524563 (1985-06-01), Sassi

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