Patent ID: 7837064
Filing Date: 2010-11-23
Classification: B01L,B67D,G01F

Abstract:
1. A fluid dispensing device that includes: a barrel having a hollow interior, an inlet opening at one end and an open second end, an inlet valve at said inlet opening of said barrel, a plunger slidably received within said hollow interior of said barrel through said open second end, said plunger including a head external to said barrel to facilitate manipulation of said plunger, said plunger having an outlet passage extending through its length to an outlet outside of said barrel, an outlet valve within said outlet passage of said plunger, a skirt surrounding said second end of said barrel with internal means for securing said barrel within a container neck finish, a closure lid including a base wall and being integrally hinged to said barrel at said open second end by an integral hinge that permits said closure lid to be pivoted from a closed position wherein said base wall engages said plunger head to resiliently urge said plunger into said barrel against said inlet valve such that said plunger engages said inlet valve and holds said inlet valve closed, to an open position spaced from said plunger to release said plunger, and a child-resistant latch opposite said integral hinge between said closure lid and said skirt, opening of said closure lid permitting said plunger to be withdrawn from said barrel to draw fluid into said barrel through said inlet opening and said inlet valve, return of said plunger into said barrel closing said inlet valve and forcing fluid from within said barrel through said outlet passage and said outlet valve, wherein said barrel, said closure lid, said integral hinge, said skirt, and said child-resistant latch are of one-piece integrally molded plastic construction.