Weight-loss weigh feeder with pressure compensation

Details Weight-loss weigh feeder with pressure compensation Weight-loss weigh feeder with pressure compensation

2007-03-20

2007-03-20

Kaufman, Joseph A. (Department: 3754)

Dispensing

Automatic control

Involving conveying conduit jacket and/or inert atmosphere...

C222S058000, C222S077000

Reexamination Certificate

active

10931556

ABSTRACT:
A system is disclosed that minimizes the effect of internal pressure upon weight-loss weighing systems. The system can include a flexible gas purge line that pressurizes the system as well as a pressure compensator that negates the adverse effects of internal pressure on weight sensing equipment during normal operation.

REFERENCES:
patent: 4494678 (1985-01-01), Klein
patent: 4579252 (1986-04-01), Wilson et al.
patent: 4702393 (1987-10-01), Chen
patent: 4867343 (1989-09-01), Ricciardi et al.
patent: 5670751 (1997-09-01), Hafner
patent: 6161723 (2000-12-01), Cline et al.
patent: 6168305 (2001-01-01), Marmsater
patent: 2004/0002789 (2004-01-01), Hachtel

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