Trigger actuated pump and method of making same

Details Trigger actuated pump and method of making same Trigger actuated pump and method of making same

1988-12-19

1990-09-11

Shaver, Kevin P.

Dispensing

With discharge assistant

With movable nozzle interconnected therewith

222341, 222383, 239333, B67D 500

Patent

active

049555111

ABSTRACT:
An inexpensive, disposable trigger actuated pump in which the shroud and nose piece are molded as a single unit. In one form of the invention, the pump housing is molded as a single unit with the shroud and nose piece, and a trigger actuator and piston pump are also molded as a single unit for subsequent assembly with the shroud, housing and nose piece unit, return spring, nose valve, dip tube and container to form a completed pump. The trigger actuated pump of the invention thus comprises fewer parts than conventionally manufactured pumps, thereby reducing inventory requirements and assembly steps and consequently reducing the manufacturing costs, enabling the pump to be disposed of after the contents of the container are emptied.

REFERENCES:
patent: 3840157 (1974-10-01), Hellenkamp
patent: 4225061 (1980-09-01), Blake et al.
patent: 4606480 (1986-08-01), Gazulla
patent: 4624413 (1986-11-01), Corsette
patent: 4728009 (1988-03-01), Schmidt
patent: 4815663 (1989-03-01), Tada

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