Method and apparatus for circumferential interior treatment...

Details Method and apparatus for circumferential interior treatment... Method and apparatus for circumferential interior treatment...

2011-08-16

2011-08-16

Rose, Robert (Department: 3727)

Abrading

Precision device or process - or with condition responsive...

With feeding of tool or work holder

C451S021000

Reexamination Certificate

active

07997955

ABSTRACT:
A method for the circumferential interior treatment of pipe elbows, including a step of positioning a working member within a pipe elbow and moving the working member along a portion of a length of the pipe elbow between selected working positions, while concurrently manipulating the pitch and rotational positioning of the pipe elbow to maintain a concentric rotation of the pipe elbow about the working member.

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“Brospec: Fusionbond® Plate and Pipe,” Brospec Inc., Howick, Quebec, Canada, 12-page product brochure, published prior to Sep. 14, 1999.
“CF Ultra Tech Abrasion Resistant Piping Systems,” CF Ultra Tech Inc., Grafton, Wisconsin, 4-page product brochure, published prior to Sep. 14, 1999.
“Indulay® Abrasion Resistant Chromium Carbide Welded Overlay for Piping Products,” Indutech Industrial Technology, Indutech Canada Limited, Calgary, Alberta, Canada, 4-page product brochure, published prior to Sep. 14, 1999.

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