Pump

Details Pump Pump

2011-08-16

2011-08-16

Shaver, Kevin P (Department: 3754)

Dispensing

Automatic control

Motor control

C222S056000, C222S064000, C222S504000, C118S669000

Reexamination Certificate

active

07997446

ABSTRACT:
A minute quantity viscous material dispenser employing a pressurized material source and a reciprocating piston is driven by a variable drive which is controlled in response to a signal reflective of piston position and wherein the drive can be controlled for direction, stroke distance, speed, acceleration, and force and wherein the drive is coupled to the piston through a quick disconnect.

REFERENCES:
patent: 3128912 (1964-04-01), Cash
patent: 5022556 (1991-06-01), Dency et al.
patent: 5047012 (1991-09-01), Leuschner et al.
patent: 5782410 (1998-07-01), Weston
patent: 7028867 (2006-04-01), Acum et al.
patent: 3700212 (1988-07-01), None
patent: 4220048 (1993-12-01), None

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