Constant pressure spraying apparatus

Details Constant pressure spraying apparatus Constant pressure spraying apparatus

1978-05-11

1979-12-11

Gluck, Richard E.

Dispensing

Automatic control

Motor control

222318, 417 38, 417435, 417440, F04B 4908, F04B 4906

Patent

active

041779371

ABSTRACT:
Disclosed is a constant pressure spraying apparatus in which the motor driven pump piston moves within a pump housing and valve assembly which are carried by a cap or closure for the fluid tank forming the reservoir of fluid to be pumped and sprayed. The cap structure is shaped so as to provide a drain sump for fluid leaking past the pump piston.

REFERENCES:
patent: 1947088 (1934-02-01), Johnson et al.
patent: 2309339 (1943-01-01), Calaway
patent: 2858964 (1958-11-01), North
patent: 3430577 (1949-03-01), Wagner

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