Fluid sprinkling – spraying – and diffusing – Including supply holder for material – Moving solid surface engages material to be sprayed
Patent
1994-02-28
1995-08-08
Grant, William
Fluid sprinkling, spraying, and diffusing
Including supply holder for material
Moving solid surface engages material to be sprayed
239463, 239468, 239471, 222209, 222212, 2223833, B05B 1102, B05B 134
Patent
active
054391784
ABSTRACT:
A collapsible pump chamber is provided which includes several functional elements of a pump device. For example, the collapsible pump chamber may be a bellows which includes a functional element of an outlet valve, a functional element of a biasing feature, and a functional element of a spin chamber. Consequently, a functional element of all of the downstream functions are incorporated into the bellows. This can significantly reduce costs due to reduced tooling and assembly, for example. In contrast, there are no upstream components incorporated into the bellows which enables the upstream or inlet end of the bellows to be wide open. This wide open upstream end of the bellows makes molding easier.
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Grant William
Hilton Michael E.
Howell John M.
Rasser J. C.
The Procter & Gamble & Company
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