Patent ID: 6736290
Filing Date: 2004-05-18
Classification: B05C,B29C,B29L,B65D,Y10T

Abstract:
A fluid discharging apparatus, comprising:a receiving tube comprising a pressing body that is slidable inside said receiving tube; a piston for moving said pressing body; and a fluid dispensing cartridge comprising a film for insertion into said receiving tube, and for being squeezed by said pressing body when said pressing body is pressed through said receiving tube by said piston, to discharge fluid from said fluid dispensing cartridge; wherein said pressing body comprises a tubular member, which is slidable on an inner peripheral surface of said receiving tube, and a plate member having a perimeter integral with an inner peripheral surface of said tubular member, said tubular member comprising an intermediate portion and a pair of ring-shaped projection portions located at opposite edges of said intermediate portion, said pair of ring-shaped projection portions for sliding in contact with said receiving tube, with said intermediate portion not in contact with said receiving tube; and a central portion of said plate member for being pushed by said piston so that said plate member elastically deforms into a curved shape.