Liquid flow controlling dispensing plug for wipe-on applicator

Details Liquid flow controlling dispensing plug for wipe-on applicator Liquid flow controlling dispensing plug for wipe-on applicator

1979-02-23

1980-09-30

Yasko, John D.

Coating implements with material supply

Including means for dispensing material directly to work...

401265, A47L 108

Patent

active

042252555

ABSTRACT:
A fluid-flow-regulating contact applicator consisting of a plug or sleeve secured as a closure for a liquid dispensing bottle or similar container. The applicator is formed with a plurality of liquid-permeable ducts extending through a top wall thereof to provide fluid flow communication between the interior of the container and the ambient system. The ducts are physically dimensioned so as effectively to invoke surface tension molecular forces including capillary forces to preclude free flow of liquid through the ducts in response to gravitation alone, but to allow through flow of liquid when an outer face of the applicator is presented to and establishes contact between liquid contained in the duct and a surface to which the liquid is to be applied, thereby overcoming flow-inhibiting surface tension forces.

REFERENCES:
patent: 1826587 (1931-10-01), Wright
patent: 2853727 (1958-09-01), Nadai
patent: 2921324 (1960-01-01), Gibbons
patent: 3179972 (1965-04-01), Fillmore
patent: 3192923 (1965-07-01), Ackerman
patent: 3365745 (1968-01-01), Conte
patent: 3467478 (1969-09-01), Webber
patent: 3610766 (1971-10-01), Herrnring
patent: 3680968 (1972-08-01), Schwartzman et al.

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