Self-sealing closure dispenser for plastic stain bottles

Details Self-sealing closure dispenser for plastic stain bottles Self-sealing closure dispenser for plastic stain bottles

1980-11-20

1982-07-20

Knowles, Allen N.

Dispensing

Resilient wall

Internally extending outlet pipe

222212, 222148, 222215, B65D 3700

Patent

active

043401570

ABSTRACT:
A dispenser mechanism is provided for capping squeeze-bottle type containers, wherein a dual valve arrangement provides for the dispensing of the contents of the container with automatic closure during periods of non-use. The contents of the container are not exposed to ambient until such time as it is dispensed. The dual valves respond to differences in pressure, and cooperate to dispense the contents of the container, or seal the openings thereof during non-use. The cap may include a dispenser spout which is cleaned of material at the end of the dispensing period by the action of the dispenser mechanism herein.

REFERENCES:
patent: 2275051 (1942-03-01), Maloney
patent: 2690278 (1954-09-01), Bacheller
patent: 2853210 (1958-09-01), Stewart et al.
patent: 2879924 (1959-03-01), Bacheller
patent: 3162333 (1964-12-01), Davidson
patent: 3474936 (1969-10-01), McDonnell
patent: 4073294 (1978-02-01), Stanley et al.
patent: 4122979 (1978-10-01), Laauwe

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