Patent ID: 9217657
Filing Date: 2015-12-22
Classification: B05B,B05C,G01F

Abstract:
1. A device for dispensing, which comprises a walled, hollow housing having an inside wall surface and having an opening on a first end; a piston, which sealingly engages the inside wall surface along its path of traverse, beginning at a position away from the first end, and which is “pulled,” not “pushed,” through its course of travel; and an actuating connection to the piston internal the housing—such that a material for dispensing can be supplied to the inside of the hollow housing above the piston, and dispensed through the opening by actuation and movement of the piston, wherein: the actuating connection includes a flexible gear rack of one and only one integral piece of a flexible member having teeth for engagement with a protruding member that engages a tooth of the flexible gear rack; and the protruding member is present.