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Class Information
Number: 72/102
Name: Metal deforming > By use of tool acting during relative rotation between tool and work about internal center (e.g., gyrating or rotating tool) > During rotation of work > Using non-cylindrical rotating tool
Description: Subject matter including a tool mounted to turn about an axis during metal deformation, the work-engaging surface of said tool being of a configuration that is other than a right circular cylinder.


Sub-classes under this class:

Class Number Class Name Patents
72/105 And cooperating, complementary tool 121
72/103 Having helical groove 39
72/107 Included in roller-cluster 44
72/109 Including in tool-couple 12
72/108 With cooperating tool rotating in same direction 72


Patents under this class:
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Patent Number Title Of Patent Date Issued
7610786 Apparatus for forming microscopic recesses on a cylindrical bore surface and method of forming the microscopic recesses on the cylindrical bore surface by using the apparatus Nov. 3, 2009
7600405 Microsurgical probe Oct. 13, 2009
7562549 Device and method for producing tooth-like profiled sections on workpieces Jul. 21, 2009
7540179 Method for producing longitudinal grooves in cylindrical workpieces Jun. 2, 2009
7509828 Tool for making enhanced heat transfer surfaces Mar. 31, 2009
7484394 Gear roll-forming apparatus Feb. 3, 2009
7392680 Rolling die and method for forming thread or worm and spline having small number of teeth by rolling simultaneously Jul. 1, 2008
7334444 Method for producing a gearwheel Feb. 26, 2008
7331206 Method of fabricating component having internal teeth and rolling machine thereof Feb. 19, 2008
7188499 Method and device for processing outer shape of can shell Mar. 13, 2007
7165430 Method and apparatus for patterning of bore surfaces Jan. 23, 2007
7152446 Method of forming internal gear, and internal gear Dec. 26, 2006
7150174 Reform rollers Dec. 19, 2006
7134304 Micro-roll forming device Nov. 14, 2006
7040131 Cold forming tool, machine and method May. 9, 2006
6959576 Cold forming of splined transmission hubs Nov. 1, 2005
6923032 Forming tool movement unit, particularly for manifold closing machines Aug. 2, 2005
6678929 Spiral shear gear burnishing dies Jan. 20, 2004
6666062 Pipe preparation device Dec. 23, 2003
6571475 Method of chamfering and deburring gear teeth, device implementing such a method, and relative tool Jun. 3, 2003
6530253 Method for producing cylindrical member having spline grooves, and cylindrical member having spline grooves Mar. 11, 2003
6494072 Method of and device for forming a clutch gear toothing on gearwheels for change speed gears Dec. 17, 2002
6470724 Tool for producing a gear part having external toothing Oct. 29, 2002
6367300 Sprocket with thin body and grooved teeth Apr. 9, 2002
6357272 Method and device for producing a toothed wheel Mar. 19, 2002
6343497 Method of manufacturing a speed gear and an apparatus for manufacturing a speed gear Feb. 5, 2002
6295855 Method and machine for making a finned body Oct. 2, 2001
6279366 Item with external teeth and method of forming the same Aug. 28, 2001
6223576 Method of thickening peripheral portion of circular plate blank by holding blank in pressing contact with bottom surface of forming groove formed in roller die May. 1, 2001
6151941 Apparatus and method for roll forming gears Nov. 28, 2000
6115920 Method of manufacturing multi-grooved V pulley Sep. 12, 2000
5826452 Method for the manufacture of a machine part with external teeth Oct. 27, 1998
5737955 Method for inclearing thickness of outer peripheral portion of disc, and method for molding disc member having transmitting portion in outer periphery thereof Apr. 14, 1998
5722138 Apparatus for manufacturing toothed gears Mar. 3, 1998
5615982 Gear finishing apparatus Apr. 1, 1997
5515708 Roll-forming die for helical gears May. 14, 1996
5379620 Apparatus and method for forming precision surfaces on shaft-like components Jan. 10, 1995
5197317 Process and means for automatically matching at least two substantially cylindrical surfaces, engaging each other, particularly for mechanical emboss engraving, and engraved plates obtained wi Mar. 30, 1993
5020352 Roller screening apparatus Jun. 4, 1991
4969345 Method and apparatus for forming a collar around a hole in a sheet metal blank Nov. 13, 1990
4924687 Quick release thread roll support May. 15, 1990
4903515 Heating container manufacturing apparatus Feb. 27, 1990
4885924 Method of forming containers Dec. 12, 1989
4869088 Ring shaping apparatus Sep. 26, 1989
4799372 Process for forming helical screw threads having a flank with zero or negative inclination Jan. 24, 1989
4706483 Method and device for finishing by burnishing of a helical thread cut on a cylindrical component Nov. 17, 1987
4671092 Method and apparatus for hot rolling of bevel gears Jun. 9, 1987
4627257 Tube spin close apparatus Dec. 9, 1986
4606102 Process for repairing labyrinth seal flanges Aug. 19, 1986
4563039 Hinge joint for use in the seats of motor vehicles and the like Jan. 7, 1986

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