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| Number | Title | Issue Date |
| 7240528 | Method and device for shaping an orthodontic archwire An apparatus for bending orthodontic wires has means for guiding and holding a wire. In order to prevent forces resulting from compressive or stretching strain during the bending process, one of these means does not apply any longitudinal forces onto the wire by des... | 07/10/2007 |
| 6997027 | Forging punch There is disclosed a punch for forging a metallic plate member. A first die is adapted to be opposed to a first face of the plate member. A second die is adapted to be opposed to a second face of the plate member. A plurality of first projections are provided on the... | 02/14/2006 |
| 5987958 | Methods and apparatus for backgaging and sensor-based control of bending operation Several methods and subsystems are disclosed for aligning a workpiece as it is being loaded into a die space of a bending apparatus, and for performing sensor-based control of a robot as it moves a workpiece from one location to another within a bending a... | 11/23/1999 |
| 4732025 | Precision bending apparatus and process A precision bending apparatus is provided for precisely bending tubes. The precision bending apparatus includes a preprogrammed bender for placing a selected sequence of bends in the tube. The apparatus further includes a position sensing means for sensin... | 03/22/1988 |
| 4706491 | Process and apparatus for precision folding of sheet metal A process is described which makes use of a folding press and a numerically controlled manipulator device provided with mechanical pincers; the sheet metal to be worked is gripped by the manipulator device and carried against an abutment shoulder disposed... | 11/17/1987 |
| 4542635 | Apparatus for manufacturing solid tension coil springs having attachment loops at both ends thereof Apparatus for manufacturing solid tension coil springs providing loops at both ends with excellent productivity under the condition that shape of loop, facing angle of loops at both ends and number of turns between the loops are respectively set accuratel... | 09/24/1985 |
| 4434637 | Method and apparatus for flattening corrugated heat exchanger plate A method and apparatus (32) is provided for crushing a portion of a corrugated sheet (10) in an area (20, 22) extending transversely to the corrugations in the sheet without blocking the passages (14) between the crowns (12) of the uncrushed portions of t... | 03/06/1984 |
| 4135378 | Wire feeding means Feeding apparatus for feeding material for a predetermined distance past a predetermined point on a feed-path comprises a pair of feed rollers, one of which is coupled to a stepping motor. A sensing means in the form of a light beam is provided on the fee... | 01/23/1979 |
| 4079610 | Apparatus for stretching extruded lengths of metal An apparatus for stretching an extruded length of metal comprises a plurality of sets of tailstock jaws mounted at fixed positions in line with and spaced from each other, and a set of headstock jaws mounted in line with the sets of tailstock jaws and mov... | 03/21/1978 |
| 4026135 | Spring coiling machine with auxiliary drive and control A spring coiling machine with an auxiliary drive and control has a feed roll driving clutch with inputs from both a main machine drive and from the auxiliary drive. The main drive is set to rotate feed rolls to advance a length of wire an increment less t... | 05/31/1977 |
