Fluid spray pump

Details Fluid spray pump Fluid spray pump

1979-07-11

1981-06-16

Tollberg, Stanley H.

Dispensing

With discharge assistant

With movable nozzle interconnected therewith

222383, G01F 1102

Patent

active

042732689

ABSTRACT:
An improved fluid spray pump is disclosed for spraying a fluid from a fluid container through a terminal orifice comprising a housing having an internal cylinder with a first and a second end. A collar with an internal collar aperture is mounted adjacent the first end of the housing internal cylinder. A pump barrel is slidably received in the internal collar aperture and includes a barrel internal bore communicating with a terminal orifice in the pump barrel. A piston comprising a piston stem is received in the barrel internal bore of the piston barrel and with a piston head received within the housing internal cylinder. Channels are provided along the piston stem for communicating the housing internal cylinder with the terminal orifice. An annular seal is slidably mounted relative to the piston and the pump barrel for sealing the channel means when the annular seal abuts a shoulder formed between the piston head and the piston stem. The annular seal enables fluid flow through the channel means to the terminal orifice when the annular seal is displaced from the piston shoulder by movement of the pump barrel toward the second end of the housing internal cylinder.

REFERENCES:
patent: 3463093 (1969-08-01), Pfeiffer et al.
patent: 3627206 (1971-12-01), Boris
patent: 3701478 (1972-10-01), Tada
patent: 4029261 (1977-06-01), Olegnowicz

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