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Class 266/71 - Having torch solely supported by workpiece


Subclass of Class 266 - Metallurgical apparatus
Definition: Device wherein the cutting means is provided with supporting
No. of patents: 12
Last issue date: 12/26/1995


NumberTitleIssue Date
5478052Carriage for guiding a tool along a specified path on a workpiece
A carriage is disclosed for holding and guiding a tool along a specified path on a workpiece at a controlled, substantially constant speed. The carriage has at least one drive roller disposed on a bed with drive means for rotating the drive roller. A pair...
12/26/1995
4747886Tube fin removal robot
A robot drive for cutting fins having pipes extending on opposite sides therefrom, with the pipes laying in parallel spaced apart rows, comprises a carriage which can move in the longitudinal direction between rows of the pipes. A pair of driven guide rol...
05/31/1988
4716271Apparatus for positioning a tool with respect to a cylindrical work piece
An apparatus for circumferentially and longitudinally positioning a weld head or other tool with respect to the surface of a pipe. A first annular ring is affixed to the pipe. A longitudinally movable annular indexing track is also circumferentially fitte...
12/29/1987
4448340Apparatus for replacing bolster rings
The disclosure concerns a procedure for replacing a worn bolster ring on a freight car truck bolster which utilizes a motorized circle cutting and welding machine which rests upon the bolster and is centered by supporting structure positioned by locating ...
05/15/1984
4346873Lead screw portable torch drive
A portable torch support and guide having a torch mounting carriage advanceable along a track by a threaded member on the carriage in releasable engagement with a feed screw. Release of the bearing from the feed screw allows rapid return of the carriage....
08/31/1982
4312498Fixture for cutting tube turns
A fixture for selectively positioning a tube turn for acetylene torch cutting thereof to a desired included angle includes means for supporting a tube turn of particular dimension and for selectively positioning the tube turn relative to a vertical or hor...
01/26/1982
4285503Apparatus for steam generator tube wrapper spacer and support block removal
A spacer and block cutting torch is lowered through the wrapper-to-shell annulus of a removed-top steam generator by addition of vertical sections of hollow-back column by vertical movement of a motorized carriage along a rack-and-guide track extending up...
08/25/1981
4283043Cutting torch attachment
A system for using a cutting torch for making accurate curved, straight and beveled cuts. A supporting and guiding device is attached to cutting torches, which may be of various sizes and shapes, and includes an elongated bar having a ring and opposed set...
08/11/1981
4279405Device for making emergency exits in a crushed transport means
A device comprises a gas cutter in the form of an annular combustion chamber (10) provided with injectors and manifolds for delivery of oxidant and fuel into the combustion chamber (10) and an annular nozzle (9) adapted to cut an escape hatch out of the i...
07/21/1981
4238663Tube bundle cutting method and apparatus
One or more pairs of vertically-spaced-apart sidewardly-aimable plasma arc cutting torches, the upper one angled upward and the bottom one downward, on the end of a horizontal boom movable longitudinally fore and aft and angularly sideward, are used to do...
12/09/1980
4158315Track guided carriage unit
A track guided carriage unit for selectively supporting a variety of work performing devices, tools and the like for movement along a predetermined working path, in which a supporting platform has spring loaded wheels that are releasably clamped by a manu...
06/19/1979
4054179Stone and concrete cutting machine
A stone and concrete cutting machine is described for performing cutting operations on stone or concrete surfaces. The machine includes an elongated base that is mountable to a stone or concrete surface through a bracket mechanism that is releasably recei...
10/18/1977
 
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