Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 7255406 | Method for manufacturing track for auger boring machine An auger boring machine having a drive mechanism for moving the machine along a desired direction of travel includes a drive motor having a shaft and a pinion mounted on the shaft. A method for manufacturing a track for such a boring machine includes providing a tra... | 08/14/2007 |
| 7186947 | Process monitor for laser and plasma materials processing of materials A method for monitoring the processing of a workpiece includes directing an incident laser beam onto the workpiece and measuring a signal emitted from the workpiece. At least two signals are generated by a detector based upon the emitted signal. A workpiece processi... | 03/06/2007 |
| 7007737 | Slab handling apparatus A slab handling apparatus comprising a foundation structure, a plurality of longitudinally spaced buffer members positioned on the foundation structure, and a plurality of longitudinally spaced roller assemblies connected to the respective buffer members with a lost... | 03/07/2006 |
| 6966958 | Precision alignment of tire building drum to automated tire building system working axis Method and apparatus for precision alignment of a moving tire building drum to an automated tire building system working axis, wherein the automated tire building system comprises one or more work stations with application drums aligned to the working axis, and the ... | 11/22/2005 |
| 6947802 | Centralized control architecture for a laser materials processing system Apparatus, systems, and methods for monitoring the processing of a workpiece that includes directing an incident laser beam onto the workpiece and using an optical detector for measuring a signal emitted from the workpiece as a result of the incident laser beam. The... | 09/20/2005 |
| 6917041 | Event-driven charge-coupled device design and applications therefor An event-driven X-ray CCD imager device uses a floating-gate amplifier or other non-destructive readout device to non-destructively sense a charge level in a charge packet associated with a pixel. The output of the floating-gate amplifier is used to identify each pi... | 07/12/2005 |
| 5787566 | Method and apparatus for cutting flat stock A method and apparatus are provided for cutting through flat stock with at least one cutting tool, such as a torch, drill, or the like. The stock is supported in a plane defined by X and Y axes of a mutually orthogonal X, Y, and Z-axis coordinate system. ... | 08/04/1998 |
| 5160549 | Tube fin trimming machine and method for use A tube fin trimming machine adapted for clamping and cutting elongated finned structures, such as finned tubes. The trimming machine includes an elongated main frame having at least one guideway, support means attached to the baseplate and adapted for sup... | 11/03/1992 |
| 5071106 | Apparatus for the opto-electronic control of a flame cutting machine Apparatus for the opto-electronic control of a flame cutting machine having photoelectric sensors of different spectral sensitivity. The sensors may be positioned within a cutting torch and directed during operation on a flame and a workpiece to be cut. T... | 12/10/1991 |
| 4928932 | Band casting-setting-burn-cutting machine in a line-like layout With a band casting-setting-burn-cutting machine in a line-like layout, to thermochemically separate from raw material of great width and thickness to roll out sheets of steel, in particular with high finishing speeds, is presented an attachment system; t... | 05/29/1990 |
| 4782208 | Method and apparatus for slitting metal strips A non-contact cutting system and method cuts a strip of metal into narrow strands having varying width defining successive, longitudinally spaced portions from which end product pieces can be removed. An array of cutting heads is arranged to project cutti... | 11/01/1988 |
| 4767102 | Thermal cutting torch A hand-held thermal cutting torch of the plasma arc or oxyfuel type commonly used for cutting metal workpieces such as steel plates, employs a new concept of motorized driving to provide more uniform cutting rates and improved quality of cut. A driving el... | 08/30/1988 |
| 4723762 | Apparatus for sealing the skirt of a converter waste gas recovery system A device for sealing the skirt of a converter waste gas recovery system is disclosed, which comprises a primary sealing apparatus adapted to enclose the converter mouth and mounted along the skirt along a lower edge thereof, a secondary sealing apparatus ... | 02/09/1988 |
| 4694579 | Device for guiding a tool along a curve Apparatus to guide a tool along a curved template, has a curve follower connected to the tool, the curve follower includes two rotatable elements, one of which is driven and the other is freely rotatable. The two rotatable members resiliently contact the ... | 09/22/1987 |
| 4693761 | Process and device for handling workpieces, especially for the thermal separation of profiles with a cutting torch 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 determined by means of m... | 09/15/1987 |
| 4593887 | Cutting torch guide A strip made up of a linear series of rigid links hinged together. Magnets are mounted on certain links, at spaced points, for holding the strip on the object to be cut by a torch. Spacers are located on the links on which the magnets are not mounted, hol... | 06/10/1986 |
| 4549725 | Cutting tool guide A cutting guide for a blowtorch comprises a channel-shaped body member with front, back, and intermediate limbs, and a holder attachment for a blowtorch on its exterior. The back and intermediate limbs of the body member form a female slide member for rec... | 10/29/1985 |
| 4471948 | Cutting apparatus A cutting apparatus for cutting a longitudinally extending member such as rail comprises a frame; means for clamping the frame to the member to be cut; and a cutting torch which is pivotally attached to the frame. A pivoted torch holder is provided having... | 09/18/1984 |
| 4466069 | Flame cutting machine with lost cut re-establishment A flame cutting machine is provided having a CNC control with a programmable memory wherein the memory is programmed to cause automatic cutting of rows of pieces continuously in succession, and wherein the memory also includes selectively actuatable instr... | 08/14/1984 |
| 4450014 | Method of controlling an operation of a copy-cutting apparatus 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 disclosed. At first... | 05/22/1984 |
| 4449699 | Method of controlling an operation of a copy-cutting apparatus A method of controlling an operation of a copycutting 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 is manually moved ... | 05/22/1984 |
| 4381854 | Guide bar for cutting torch A flexible guide bar for a cutting torch and the like having magnetic means for engaging the piece to be cut and also having adjustable means for engaging metal pipe. Stiffeners may be utilized to assist the guide bar when used to guide the cut of flat st... | 05/03/1983 |
| 4328050 | Method of controlling an operation of a copy-cutting apparatus 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 is manually moved... | 05/04/1982 |
| 4319933 | Bridge and die attachment for cutting torches 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 and maintains the cu... | 03/16/1982 |
| 4318439 | Hot steel cutting apparatus A cutting apparatus lights the surface of a moving hot steel material with lamps, locates any flaw with a video camera or the like, scarfs the surface of the steel material adjacent the flaw with a scarfing torch, measures the depth of the flaw with an ed... | 03/09/1982 |
| 4305573 | Flame cutting machine control system A flame cutting machine control system has a housing to hold the control units with a front plate for the housing; the control units are attached to the front plate with the front plate being designed as a housing cover and the control units being inserta... | 12/15/1981 |
| 4288681 | Apparatus for fabricating isolated phase bus The apparatus includes a pair of rotatable headstocks which are spaced apart. A side beam extends along at least a portion of the distance between the headstocks with the side beam being substantially parallel to a line connecting the centers of rotation ... | 09/08/1981 |
| 4283044 | Apparatus for guiding a tool along a curved path An apparatus for guiding a tool on a curved path which includes an elongated guide member elastically deformed in the shape of a spline curve and a means responsive to said elastically deformed curved guide member for directing or limiting the movement of... | 08/11/1981 |
| 4273313 | Guide for a cutting torch A guide is adapted to be adjustably mounted on the nozzle marginal end portion of a cutting torch. The guide has a convex lower cam surface adapted to slidably engage a straight-edge. The cutting torch may be tilted to a position determined by the operato... | 06/16/1981 |
| 4216945 | Apparatus for automatically controlling the cutting of pipes, plates and the like An automatic control means is provided with a pipe cutting and welding apparatus. The control means has a computer which controls the operation of the motors operating the main carriage, the tool heads, and the bracket arms for cutting or welding pipes, p... | 08/12/1980 |
| 4194727 | Shape cutting apparatus Shape cutting apparatus includes a transverse beam rigidly mounted on a pair of spaced carriages which are provided with wheels for translation along a pair of parallel, longitudinal rails. A tracer and holder assembly therefor are mounted for translation... | 03/25/1980 |
| 4192487 | Apparatus for cutting sheet plate Sheet plate is cut with a carriage having an elongated support rod journalled therein for linear movement along a path parallel to the longitudinal axis of the rod. The carriage is propelled in a direction substantially perpendicular to the longitudinal a... | 03/11/1980 |
| 4168056 | Torch cutting machine Torch cutting machines of the type embodying a plurality of torches adjustably mounted with respect to a moving conveyor, such that the torches may cut the flange and central web portions of I-beams, structural members and the like. The machine is charact... | 09/18/1979 |
| 4135701 | Automatic flame cutter for mitres with constant angle bevels on a pipe A boom carrying a cutting torch is synchronized with a turntable and the torch is mounted to follow an arcuate slide and is synchronized with the turntable to make a mitred cut on the pipe and form a constant angle bevel on the mitered cut.... | 01/23/1979 |
| 4121808 | Hole cutting method and apparatus A drilling attachment for a numerically controlled flame cutting apparatus of the type having a plurality of flame cutting assemblies mounted in spaced relation in a plane for controlled lateral movement along a horizontally translationally movable beam f... | 10/24/1978 |
| 4121081 | Apparatus for and method of refeeding electrodes in an electrical discharge machining apparatus This disclosure relates to the refeeding of one or more electrodes of an electrical discharge machining apparatus after the electrodes have been used and unevenly worn. The electrodes are mounted within a cartridge which includes an element which offers f... | 10/17/1978 |
| 4121087 | Method and apparatus for controlling laser welding A method and apparatus is provided for laser welding which utilizes the power reflected by the surface being welded to control the power input to the weld. A beam of laser light is projected on the surface to be welded and the power of the light reflected... | 10/17/1978 |
| 4111404 | Flame cutting machine for modification of railway car side sills A flame cutting machine for trimming side sill gussets comprises a trolley beam assembly mounted to roll longitudinally along the side sills of the car. A traveling beam is adjustable laterally on said trolley beam and includes side hanger frames on oppos... | 09/05/1978 |
| 4111403 | Apparatus for the treatment of the outer contour of a worm conveyor A worm is rotated while a cutting torch trims the edge of the worm. The torch is mounted on an arm along with a wheel which bears against the thrust surface of the worm. The arm is mounted on one part of a carriage, the carriage moving along a guide rail ... | 09/05/1978 |
| 4067555 | Heat-shaping apparatus This invention relates to apparatus for cutting or shaping material, as by heat-shaping, wherein the outline of a predetermined pattern is copied on the material which is to be worked on by following the pattern with a follower member whose movement is us... | 01/10/1978 |
