Turning – Portable lathe for pipe turning
Reexamination Certificate
2007-06-11
2009-06-23
Prone, Jason Daniel (Department: 3724)
Turning
Portable lathe for pipe turning
C082S046000, C082S070200
Reexamination Certificate
active
07549359
ABSTRACT:
A utility service tee scraping tool having three basic components—a scraper or cutting element, a scraper holder, and an alignment body. The scraper includes a rigid, vertically oriented body to which one or more cutting blades are attached. The scraper holder includes a service pipe tee clamp having two gripping elements with surfaces adapted to fit snugly around the service pipe tee and maintain the tee scraping tool in a fixed position during operation. The tool may be manipulated from above ground. Although particularly suitable for use in keyhole excavations where remote operation of the tool is required, the tool may also be used in traditional excavations.
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Hennessey Frank
Jarnecke Dennis
Fejer Mark E.
Gas Technology Institute
Prone Jason Daniel
Swinney Jennifer
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