Syringe metering unit for bottle top dispenser

Details Syringe metering unit for bottle top dispenser Syringe metering unit for bottle top dispenser

1998-01-22

2000-07-11

Shaver, Kevin

Dispensing

With discharge assistant

Container with follower

422100, 604110, B67D 542

Patent

active

06085944&

ABSTRACT:
A syringe made of plastic serves as a metering part for a bottle-top dispenser. It includes a piston-cylinder unit, which has a cylinder sleeve with an installation opening for the piston, and a retainer ring for the piston which lies in front of the installation opening and which is clipped onto the cylinder sleeve in such a way that the piston cannot be pulled out of the cylinder.

REFERENCES:
patent: 4117728 (1978-10-01), Johnson
patent: 4750373 (1988-06-01), Shapiro
patent: 5207646 (1993-05-01), Brunnel

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