Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Richard J. Buckwitz0
Mark R. Weber0
Peter D. McCowin0
Date of Patent
November 11, 2008
0Patent Application Number
108939130
Date Filed
July 20, 2004
0Patent Primary Examiner
Patent 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.
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