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Document |
Document Title |
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5478052 |
Carriage 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...
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4747886 |
Tube 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...
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4716271 |
Apparatus 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...
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4448340 |
Apparatus 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...
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4346873 |
Lead 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...
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4312498 |
Fixture 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...
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4285503 |
Apparatus 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...
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4283043 |
Cutting 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,...
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4279405 |
Device 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...
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4238663 |
Tube 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...
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4158315 |
Track 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...
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4054179 |
Stone 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...
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3908973 |
Apparatus for squaring the upper end of a ground driven h-beam pile
The apparatus includes an elongated frame structure and a carriage unit movable longitudinally of such structure. A cutting torch assembly is releasably locked on the carriage unit with the cutting...
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3785631 |
PARTING AND BEVEL BURNING DEVICE
The disclosure is to a device which can be employed in combination with a welding torch fixed therein in a predetermined position and direction, the device being adapted to be moved, carrying the...
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3779444 |
POWER PROPELLED WELDING AND CUTTING APPARATUS
Power propelled apparatus for welding, cutting and similar work operations, in which a wheel supported carriage attached to an elongate workpiece is movably guided therealong while performing the...
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3747911 |
CIRCLE METAL CUTTER
The circle metal cutter comprises a radial arm mounted on a centering block which has been centered on the circle to be cut in the metal work piece, an acetylene torch mounted on the end of the...
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3713636 |
INCENDIARY CUTTING TORCH FOR UNDERWATER USE
An incendiary torch having a cylindrical housing with a nozzle positioned one end thereof. The nozzle is held in place by a retainer cap threadedly attached to the housing which includes a...
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3713637 |
PORTABLE FLAME CUTTING MACHINE
A portable flame cutting machine which includes an elongated guideway or base rail with rack upon which a carriage is driven and supported. The carriage carrying an auxiliary rail with rack movable...
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3713635 |
OXY-ACETYLENE CUTTING TORCH-HOLDER AND GUIDE
A torch guide consisting of a rail which can be clamped onto a work piece adjacent an intended path of cut, a carriage movably supported on the rail, and a bracket on the carriage to receive a...
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3630506 |
RAIL-CUTTING MACHINE
In a rail-cutting machine, a blowtorch is so guided for pivotal movement in relation to the rail in a plane transverse thereof that the blowtorch remains at a constant distance from the rail while...
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3450398 |
MOTORIZED TORCH FOR CUTTING STRUCTURAL MEMBERS
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3417979 |
Welding or cutting machine with removable template
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3188069 |
Flame cutting and beveling machine
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2851264 |
Metal cutting apparatus
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