Material dispenser with snap-acting outlet valve

Details Material dispenser with snap-acting outlet valve Material dispenser with snap-acting outlet valve

1976-01-21

1977-08-09

Reeves, Robert B.

Dispensing

Retarded or delayed action flow controllers or closures

222498, 222508, B65D 4720

Patent

active

040405443

ABSTRACT:
A material dispensing device having a discharge spout, passage of material through the spout being controlled by a curved blade spring which is operable to snap between two positions in each of which it co-operates with an obturating member in closing the spout.

REFERENCES:
patent: 3272399 (1976-07-01), Dight

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