Dispenser of small quantities of liquids

Details Dispenser of small quantities of liquids Dispenser of small quantities of liquids

1982-03-03

1983-11-08

Rolla, Joseph J.

Dispensing

Resilient wall

Fluid pressure generating pump or pulsator and/or removable...

222541, 222183, 222323, 222325, B65D 3700

Patent

active

044137540

ABSTRACT:
This invention relates to an apparatus for dispensing small quantities of fluid which comprises a hinged clamping member with a bellows attachment for receiving an elongated cylindrical tube containing fluid and having sealed ends, wherein the hinged clamping member consists of two half-shells which enclose an inner space; the two half-shells are enclosed by a retaining and supporting member; the retaining and supporting member consists of symmetrical halves which are connected to each other by a hinge; the inner diameter of the inner space corresponds to the outer diameter of the tube; the two halves of the retaining and supporting member have, adjacent to the hinge, recesses with stops and, on the side opposite the hinge, a locking or snap-fit member; the hinged half-shells comprise, at one end, a shaft whose outer diameter corresponds to the inner diameter of the cylindrical shaft of a bellows attachment; the bellows attachment is provided with an opening which permits the bellows attachment to be pushed unto the shaft; and the retaining and supporting device comprises, on its outer periphery, recesses which are adapted to fit the thumb and middle finger.

REFERENCES:
patent: 3233785 (1962-09-01), Burke
patent: 3568673 (1971-03-01), Cowley
patent: 3574306 (1971-04-01), Alden
patent: 3834241 (1974-09-01), Garren et al.
patent: 4291694 (1981-09-01), Chai
patent: 4296071 (1981-10-01), Weiss et al.

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