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7122147 |
An emergency cutting torch system adapted to be stored within a compartment of a rescue vehicle. The emergency cutting torch system may comprise a wheeled cart adapted to maintain a first gas storage tank and a second gas storage tank to...
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7074360 |
An apparatus for positioning a tool relative to a workpiece, including a first carrier rotatable on a first axis and a second carrier carried by the first carrier and rotatable about a second axis defined by the first carrier. The second...
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7052646 |
In accordance with the method and the device according to the invention, previous pure pyrotechnic primers for initiating the ignition charges ( 6 a, 6 b ) of the oxygen lance igniters ( 13 ) are replaced by a small quantity of powdered...
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7011789 |
A scraper removes debris from under a work table, particularly slag resulting from cutting of metal. A pair of parallel tracks extends along opposite sides of a collection area under the table. A blade carriage is carried on the tracks a...
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6786979 |
A steel cutting apparatus includes a cutting torch that is moved in an arcuate path for guiding the cutting torch so that a cutting flame of the cutting torch is always aimed at a bottom corner of the steel at the side where the cutting ...
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6761776 |
A torch cutter exhaust system has a torch and an exhaust shroud at least partially encircling a discharge tip of the torch and mounted to the torch for movement therewith. The shroud is a crescent-shaped enclosure having an intake port a...
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6712911 |
The invention concerns a procedure for flame-cutting a slab using at least one oxycutting torch at a workstation and a device for implementing this procedure. The slab and the oxycutting torch are moved in relation to each other, with th...
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6627004 |
A carriage for guiding a cutting, beveling or welding torch on the surface of a metal work piece has a chassis which is transported along a main path on the work piece by a magnetic wheel assembly driven by a reversible motor mounted on ...
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6508975 |
The invention is a remotely controlled internal pipe cutting device primarily used for cutting pipes where the outside of the pipe is inaccessible at the line where the cut is to be made. The device includes an axial ram within a rotatio...
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5891266 |
A method and system for cutting hub bores in metal railroad wheels is disclosed. The system includes a lead and second torch for cutting the hub bores. In the method, the lead torch is moved to an initial position above the wheel. The le...
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4755232 |
A method and apparatus for mechanically controlling the flame cutting and/or connection welding of workpieces. The difficulty encountered during the mechanized burning of holes in vessels, containers or tanks and the welding of connectin...
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4747886 |
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 o...
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4707898 |
A semi-automated beam cutting machine simultaneously cuts with two torches the flanges of the beam in a presettable plane in each of two axis. The web of the beam is cut with a further torch in response to a template, to obtain two rat h...
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4693761 |
A process for the thermal cutting of profiles with a cutting torch which is guided by a control unit in accordance with the workpiece contour includes storing the contour in the control unit. The absolute values of the profile are determ...
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4450014 |
A method of controlling the operation of a copying apparatus which includes a tracer for tracing automatically a contour of a pattern to be copied and a working machine arranged in conjunction with the tracer in a given relationship is d...
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4434015 |
A device for cutting circular piece parts of various diameters comprising a shaft having a central axis and a cutting element mounted on a rack at a random radius from the axis. The rack supports the cutting element for changing the posi...
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4384901 |
A method and apparatus for cutting a pipe. A pipe is positioned on a plurality of support rollers for rotating the pipe. A cutting torch, mounted on a telescoping arm, is movable along the longitudinal axis of the pipe. The angle that th...
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4383870 |
Single or ganged cutting torches for steel plates preheat the center of each hole to be cut prior to any displacement of the torches. On completion of the preheating, the torches are laterally repositioned in correspondence with the comm...
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4356043 |
A cutting tool carrier for holding a plurality of cutting tools, each tool requiring certain utilities to operate. The carrier includes a body, a plurality of tool holders pivotally mounted within the body and each adapted to receive a c...
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4328050 |
A method of controlling an operation of a copy-cutting apparatus including a tracer for tracing automatically a pattern and a cutting gas torch interconnected to the tracer in a given relationship. Prior to the actual working, the tracer...
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4319933 |
An accessory for facilitating the accurate cutting of holes with a cutting torch. A die is attached to the workpiece by legs and presents a die opening which controls the size and shape of the hole. A bridge piece fits against the die an...
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4222795 |
Apparatus for cutting and beveling pipe comprising a horizontally positioned and movable member, roller means to support and axially rotate a horizontal pipe parallel to the member, a photocell scanner mounted on the member and positione...
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4219370 |
Apparatus for cutting a pipe end for intersection with another surface comprising a horizontally positioned and movable boom, roller means to support and axially rotate a horizontal pipe parallel to the boom, a photocell scanner mounted ...
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4131490 |
There is described a marking method for distinguishing the kind, depth, position and area of surface defects of a metal piece as well as a method for detecting marks on the metal piece and a method for arranging detected signals in a ele...
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4052039 |
The invention relates to an automatic cutting torch assembly for making cuts of any predetermined shape in a metallic pipe. Rollers are provided for the pipe to be processed which permit back and forth movement of the pipe. A photoelectr...
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3950189 |
A method for cutting out work pieces which have similar contours on both sides of an axis of symmetry thereof comprising the steps of scanning the contour of the work piece for developing control signals corresponding to the shape of the...
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3944441 |
In making sheet metal parts by means of oxygen cutting, the cutting torch is positioned so as to direct the oxygen jet at an angle of 4°-5° from the vertical in the direction of the cut and at an equal angle toward the part being cut o...
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3900346 |
The automatic guiding of a work tool on the curves of intersection of two pipes or tubes whose axes are at an acute cutting angle to each other and wherein at least one of the pipes has a noncylindrical cross section and one of the pipes...
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3552731 |
Apparatus for automatically cutting pipe or tubing according to a desired pattern by securing the pattern to the tubing and by rotatably mounting around the tubing a constant linear speed, positive contact drive which traces the pattern ...
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3533442 |
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3441999 |
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3330547 |
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3153109 |
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3119724 |
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3037888 |
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2628539 |
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2508468 |
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2442013 |
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2269526 |
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2190360 |
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2172313 |
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1605493 |
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3783036 |
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3701692 |
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