Dispenser valve and method of forming the same

Details Dispenser valve and method of forming the same Dispenser valve and method of forming the same

1988-06-16

1989-11-21

Rolla, Joseph J.

Dispensing

With relatively movable actuator for outlet element

222509, 222517, 222556, 137 15, 251298, 251339, B67D 300

Patent

active

048816698

ABSTRACT:
A valve structure formed from a single tubular plastic component having two integral tube sections. A first section includes a flow orifice. The second section constitutes the valve element for controlling flow through the orifice by being inverted relative to the first section to overlie the orifice in sealing relationship thereto. In the preferred embodiments of the specification, the second section is invaginated into a compressed position within the first section.

REFERENCES:
patent: 2021731 (1935-11-01), Leins
patent: 3195573 (1965-07-01), Daumy
patent: 3400866 (1968-09-01), Fattori
patent: 3416567 (1968-12-01), Von Dardel et al.
patent: 3434695 (1969-03-01), Green
patent: 3443728 (1969-05-01), Scholle
patent: 3690344 (1972-09-01), Braumm
patent: 4169548 (1979-10-01), Bond
patent: 4275765 (1981-06-01), Dugas
patent: 4355742 (1982-10-01), Scholle
patent: 4621750 (1986-11-01), Roethel

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