B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
222/79
B65D 83/00 (2006.01) A61C 19/06 (2006.01)
Patent
CA 2004728
METHOD AND APPARATUS FOR DISPENSING A FLUID SUBSTANCE Abstract of the Disclosure A method and apparatus for controllably dispensing a fluid substance on a repetitive, variable basis utilize a piston-cylinder type handheld finger operated dispenser. The dispenser includes a generally cylindrical body for containing a supply of the fluid substance to be dispensed, a formed tip through which the fluid substance may be dispensed, a piston and a piston rod for use in dispensing the fluid substance from the cylinder and a formed gouge or actuator for initiating movement of the piston rod to dispense the fluid substance in amounts controlled by the skill and desire of the user. The actuator is formed from a harder material than the material used to form the piston rod so that gouges or teeth are formed by the actuator during usage along the length of the piston rod, the spacing between adjacent teeth being variably selected by the user. A specific application of the dispenser is for use in dispensing topical dental medicine by a user in his own oral cavity.
Fine Daniel H.
Stefaniak Philip S.
Curtis (helene) Inc.
Fine Daniel H.
Smart & Biggar
Stefaniak Philip S.
The Trustees Of Columbia University
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