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Class Information
Number: 72/299
Name: Metal deforming > By use of non-deforming work-gripping clamp and relatively movable clamp, tool or work-forcer > By individually non-deforming clamps > With means to rotate clamp about fixed axis > About axis intersecting work-gripping regions of two clamps (e.g., twisting)
Description: Subject matter wherein said pivot line extends directly between the opposed jaws or surface elements of the work-gripping instrumentalities.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7477965 |
Twisting wire actuator |
Jan. 13, 2009 |
| 7111483 |
Method and apparatus for fabricating helically shaped ribbons of material |
Sep. 26, 2006 |
| 7069757 |
Twisting apparatus for ultrafine rectangular bar |
Jul. 4, 2006 |
| 6959572 |
Fixture for holding metals parts for bending or twist correction |
Nov. 1, 2005 |
| 6857303 |
Machine for bending and twisting flat metal wire |
Feb. 22, 2005 |
| 6751998 |
Method for forming a three dimensional object |
Jun. 22, 2004 |
| 6729026 |
Rotational grip twist machine and method for fabricating bulges of twisted wire electrical connectors |
May. 4, 2004 |
| 6397653 |
Folded metal bellows |
Jun. 4, 2002 |
| 6378347 |
Machine for manufacturing twisted and offset electrical conductors |
Apr. 30, 2002 |
| 6318142 |
Spacer device for a basket forming apparatus |
Nov. 20, 2001 |
| 6287210 |
Process of forming a twisted, spirally grooved member and the member formed thereby |
Sep. 11, 2001 |
| 6260398 |
Forming of hollow extrusions with double plane bends and twists |
Jul. 17, 2001 |
| 6220072 |
Forming press of crankshafts |
Apr. 24, 2001 |
| 6189359 |
Twisting machine for polygonal cross-section bars |
Feb. 20, 2001 |
| 6009738 |
Apparatus for forming metal |
Jan. 4, 2000 |
| 5771726 |
Apparatus and method for twisting hollow rods |
Jun. 30, 1998 |
| 5676013 |
Spiral component for a baluster and method and machine for making same |
Oct. 14, 1997 |
| 5410808 |
Method of making a double wall twist tube |
May. 2, 1995 |
| 5295381 |
Twist-forming press for crank shaft or the like |
Mar. 22, 1994 |
| 5170654 |
Method for wire bending in three dimensions |
Dec. 15, 1992 |
| 5063662 |
Method of forming a hollow blade |
Nov. 12, 1991 |
| 4972696 |
Forming elongate structural components |
Nov. 27, 1990 |
| 4878369 |
Apparatus for forming elongate structural components |
Nov. 7, 1989 |
| 4827753 |
Extrusion former with three-way powered movement |
May. 9, 1989 |
| 4766751 |
Apparatus for continuously producing tube having helical grooves in its inner surface |
Aug. 30, 1988 |
| 4735071 |
Apparatus for continuously producing tube having helical grooves in its inner surface |
Apr. 5, 1988 |
| 4656860 |
Dental apparatus for bending and twisting wire pieces |
Apr. 14, 1987 |
| 4627254 |
Cutting device for a multi-dimensional bending apparatus |
Dec. 9, 1986 |
| 4624121 |
Method of, and apparatus for producing multi-dimensionally bent elongate articles |
Nov. 25, 1986 |
| 4604884 |
Twisting apparatus of root canal reamer or file material and method for manufacturing root canal reamer or file |
Aug. 12, 1986 |
| 4596064 |
Method for manufacturing a screw flight |
Jun. 24, 1986 |
| 4591788 |
Magnetic field sensing device |
May. 27, 1986 |
| 4580430 |
Torsional molding apparatus for crank shaft |
Apr. 8, 1986 |
| 4459164 |
Method and apparatus for compensating for axial deformation of screw shafts due to heat treatment |
Jul. 10, 1984 |
| 4437329 |
Method of manufacturing twisted tubes |
Mar. 20, 1984 |
| 4373241 |
Method of making propeller blade |
Feb. 15, 1983 |
| 4369643 |
Closure with smooth edge |
Jan. 25, 1983 |
| 4363233 |
Method and apparatus for cold forming stabilizer blade means from elongated members |
Dec. 14, 1982 |
| 4317353 |
Tube twisting apparatus |
Mar. 2, 1982 |
| 4203312 |
Corrugated tubing with variable depth corrugations and method of making the same |
May. 20, 1980 |
| 4188813 |
Method and machine for the manufacture of long concrete drills provided with helical splines over part of their length |
Feb. 19, 1980 |
| 4171634 |
Method of making corrugated tubing with graduated pitch |
Oct. 23, 1979 |
| 4059004 |
Method of forming helically corrugated tubing |
Nov. 22, 1977 |
| 4026137 |
Twisting and bending machine for elongated metallic strips |
May. 31, 1977 |
| 4019356 |
Apparatus for the cold working of bar stock |
Apr. 26, 1977 |
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