Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Neil Andrew Abercrombie Simpson0
Alexander Craig Mackay0
Date of Patent
November 28, 2006
0Patent Application Number
104902420
Date Filed
March 19, 2003
0Patent Primary Examiner
Patent abstract
A tubing injector for injecting tubing (4) into a pipeline or bore or the like comprises: an annular piston for moving the tubing (4); a collet for gripping the tubing on movement of the piston in an injecting direction, the collet (14) and the tubing being movable with the piston, and the collet being releasable from the tubing (4) on movement of the piston in another direction, and a ratchet collet for preventing the tubing from being ejected.
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