초록 ▼

Disclosed herein is a hand operated sprayer for liquids, in which the spraying unit is provided with a small bore which is factory sealed at the assembly by a special fitting properly located, to be eliminated by the pumping lever when first operated, said bore communicating with the inner space of

Disclosed herein is a hand operated sprayer for liquids, in which the spraying unit is provided with a small bore which is factory sealed at the assembly by a special fitting properly located, to be eliminated by the pumping lever when first operated, said bore communicating with the inner space of the container.

대표청구항 ▼

A hand operated sprayer for use with a liquid, comprising in combination: a tank containing the liquid to be sprayed; a sprayer body fastened to said tank and provided with a squeezable lever; and means to vent said tank comprising a passageway in said tank to allow said tank to communicate with amb

A hand operated sprayer for use with a liquid, comprising in combination: a tank containing the liquid to be sprayed; a sprayer body fastened to said tank and provided with a squeezable lever; and means to vent said tank comprising a passageway in said tank to allow said tank to communicate with ambient air, and a rupturable fitting integrally formed with said sprayer body for sealing said passageway, said lever including rod means responsive to said lever being squeezed a first time for permanently opening said passageway and for simultaneously providing a permanent visual indication that the sprayer has been used by irreplaceably rupturing said rupturable fitting; wherein said sprayer body includes nozzle means for modifying spray nebulization, comprising: a ring nut threaded on said sprayer body and including means defining an opening along a longitudinal axis at one extremity thereof, a diffuser disposed within said sprayer body and said ring nut, and including ribs, said sprayer body including inner projections, said diffuser being capable of abutting against said sprayer body along a conically tapering surface, and said diffuser being further retained within said sprayer body by cooperation of said ribs on said diffuser with said inner projections on said sprayer body, and an O ring disposed in a peripheral groove on said sprayer body underlying said ring nut to prevent liquid seepage.