Pneumatic cleaning methods and systems

Details Pneumatic cleaning methods and systems Pneumatic cleaning methods and systems

2004-07-20

2008-11-11

Guidotti, Laura C (Department: 3723)

Brushing, scrubbing, and general cleaning

Machines

With means to pass a solid cleaning agent and a fluid...

C015S003510

Reexamination Certificate

active

07448105

ABSTRACT:
Techniques for cleaning the inside of complexly-bent tubing are disclosed using a combination of minimal amounts of solvent and pneumatically propelled foam pellets. In order to increase device efficiency, an escapement apparatus employs a vacuum-assisted loading mechanism and retaining pin to reliably load one pellet at a time.

REFERENCES:
patent: 3366337 (1968-01-01), Brooks et al.
patent: 3631555 (1972-01-01), Hurst et al.
patent: 4252255 (1981-02-01), Henderson
patent: 4467488 (1984-08-01), Creek
patent: 5555585 (1996-09-01), Fowler
patent: 2002/0124871 (2002-09-01), Rinne

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