Solid material comminution or disintegration – Processes – Combined
Patent
1994-08-08
1996-06-18
Eley, Timothy V.
Solid material comminution or disintegration
Processes
Combined
241 30, 152465, 134 23, B02C 2300, B02C 2336
Patent
active
055269893
ABSTRACT:
A guidance system and method for positively guiding a tank sludge-removal unit or the like around the inside of a tank, including a plurality of winch assemblies mounted at radially spaced locations on the top perimeter of the tank each having a control line which extends into the tank for connecting either directly to the unit or indirectly to a lifting line via a pulley device used for raising and lowering the unit within the tank, thereby enabling the position and/or the direction of movement of the unit to be positively controlled by selective operation of the winch assemblies and/or lifting line. A line-forwarding device is also provided for use in forwarding control lines of the winch assemblies to an access opening in the tank.
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Staples Russell E.
Staples Wesley A.
Eley Timothy V.
Kerins John C.
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