Apparatus for mechanically projecting devices through tubes
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United States of America Patent
Stats
-
Nov 30, 1993
Issued Date -
N/A
app pub date -
Dec 4, 1991
filing date -
Apr 13, 1989
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An apparatus is disclosed for projecting a stiffly flexible conduit or cable through a bore of a tube to be cleaned, surveyed or otherwise processed, said apparatus comprising a drum enabling the conduit or cable to be stored therein in a plurality of wound coils with a distal or free end of the conduit or cable to be projected from the apparatus and into the bore of the tube to be cleaned, surveyed or the like, the drum being mounted for simultaneous axial and rotary motion and drive means being provided to effect the axial and rotary motion of the drum, restraining means being provided to prevent radial expansion of the wound coils on the drum.
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