Plastic article or earthenware shaping or treating: apparatus – Preform reshaping or resizing means: or vulcanizing means... – Including shaping means comprising fluid pressure contacting...
Reexamination Certificate
2006-12-05
2006-12-05
Gupta, Yogendra N. (Department: 1722)
Plastic article or earthenware shaping or treating: apparatus
Preform reshaping or resizing means: or vulcanizing means...
Including shaping means comprising fluid pressure contacting...
C425S393000, C425SDIG021, C166S380000, C072S393000
Reexamination Certificate
active
07144243
ABSTRACT:
A tubing expansion device (20) is adapted to be advanced axially, without rotation, through tubing (10) to be expanded. The device (20) comprises a body (22) and a plurality of expansion members (30,32,34) mounted on the body (22), the expansion members (30,32,34) being independently radially movable. The expansion members may be rotatable, or may be non-rotating.
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Abercrombie Simpson Neil Andrew
Adams Grant
Grant David H.
Stephenson David
Gupta Yogendra N.
Nguyen Thu Khanh T.
Patterson & Sheridan L.L.P.
Weatherford / Lamb, Inc.
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