Fluent material handling – with receiver or receiver coacting mea – Filling or refilling of dispensers – By operation of means causing or controlling dispensing
Patent
1986-02-18
1987-12-15
Thronson, Mark John
Fluent material handling, with receiver or receiver coacting mea
Filling or refilling of dispensers
By operation of means causing or controlling dispensing
2221465, 433167, A61C 1320
Patent
active
047125896
ABSTRACT:
An apparatus for handling substances which are rendered fluid by heating, such as wax, the apparatus including a body defining a chamber having opposite walls and a filter therebetween separating the chamber into a liquid chamber and an air chamber, openings for introducing air into and withdrawing air from the air chamber, openings for drawing liquid into and ejecting liquid from the liquid chamber in response to the respective withdrawal and introduction of air into the air chamber, a resistor in the liquid chamber for maintaining substances therein liquid, the resistor being housed in a tube extending between the walls and through the filter having at least one bore for placing the tube in fluid communication with the liquid chamber, a hand piece, a duct in the hand piece, and a part of the resistor and a short tubular element maintaining the body and hand piece in coupled but readily decoupled relationship.
REFERENCES:
patent: 897782 (1908-09-01), Reilley
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patent: 3406875 (1968-10-01), Park
patent: 3665158 (1972-05-01), Froedge
patent: 3882909 (1975-05-01), Ogle
patent: 3963061 (1976-06-01), Kenney
patent: 4176693 (1979-12-01), Stoner et al.
patent: 4360046 (1982-11-01), Streit et al.
patent: 4485831 (1984-12-01), Ungerleider
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