Piston carrying guide tube

Details Piston carrying guide tube Piston carrying guide tube

2011-01-04

2011-01-04

Shaver, Kevin P (Department: 3754)

Dispensing

With discharge assistant

With movable nozzle interconnected therewith

C222S321100

Reexamination Certificate

active

07861898

ABSTRACT:
A piston pump is provided in which the piston-chamber forming member has a chamber within which a piston of a piston forming element is coaxially slidable. A locating member is provided on the piston forming element for engagement of the piston-chamber forming member externally of the chamber to assist the piston-chamber forming member and the piston forming element while sliding axially maintaining the piston centered and coaxial relative to the chamber.

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patent: 7025233 (2006-04-01), Masuda

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