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Class Information
Number: 72/67
Name: Metal deforming > By use of tool acting during relative rotation between tool and work about internal center (e.g., gyrating or rotating tool)
Description: Subject matter comprising a tool, or a step of using a tool, that turns with respect to work, or with respect to which tool the work turns, about an axis (or effective axis) that extends through the work, which tool engages the work for deformation while the turning occurs.


Sub-classes under this class:

Class Number Class Name Patents
72/80 During rotation of work 18
72/75 Spherical tool 80
72/112 Tool orbiting or rotating about an axis 57
72/70 With cutting of work or product 58
72/68 With metal deformation of different type 105
72/69 With modification or control of temperature of work, tool or machine, or with lubrication thereof 68
72/73 With oscillation of work about work-axis 6
72/74 With oscillation of work-engaging tool surface about work surface 11
72/77 With tool surface orbiting around axis parallel to direction of travel of longitudinally moving work 30
72/76 Work-hammering tool 49


Patents under this class:

Patent Number Title Of Patent Date Issued
7240529 Partially reinforcing method and apparatus of metal material Jul. 10, 2007
7225655 Method for producing a shaft comprising stop caps device containing one such shaft Jun. 5, 2007
7191626 Method for producing an inner contour with an internal arbor acting on the inside wall of a workpiece Mar. 20, 2007
7080438 Junction method and junction tool Jul. 25, 2006
6918277 Method of working end part of metallic tube body and metallic tube body, and method of manufacturing vibrationproof bush using the working method and vibrationproof bush Jul. 19, 2005
6782622 Method for manufacturing wheel-supporting hub unit and pressing mold for manufacturing same hub unit Aug. 31, 2004
6772615 Method of manufacturing hub unit for supporting wheel and die for manufacturing the same Aug. 10, 2004
6711817 Hypoid ring gear for differentials and method of producing the same Mar. 30, 2004
6639962 Preventive maintenance method and apparatus of a structural member in a reactor pressure vessel Oct. 28, 2003
6634199 Surface treating method, and treating member therefor Oct. 21, 2003
6626020 Method of producing vibration-isolating bushing Sep. 30, 2003
6612144 Dent repair tool and method Sep. 2, 2003
6532786 Numerically controlled forming method Mar. 18, 2003
6516647 Method of producing homokinetic joints Feb. 11, 2003
6473957 Method and device for connecting overlapping flat parts Nov. 5, 2002
6457339 Rocking press machine Oct. 1, 2002
6438844 Method and apparatus for manufacturing constant velocity joints Aug. 27, 2002
6276180 Method and apparatus for manufacturing a shift gearwheel and shift gearwheel manufactured by same Aug. 21, 2001
6176266 Housing block Jan. 23, 2001
5763777 Conical tool holder for precision balancer Jun. 9, 1998
5615569 Wobble press Apr. 1, 1997
5465598 Method for forming an annular member Nov. 14, 1995
5398536 Wobble press Mar. 21, 1995
5291644 Plastic belt fastener and apparatus therefor Mar. 8, 1994
5263238 Method of forming a stem and assembling a snap ring in a groove in the stem Nov. 23, 1993
5119659 Device for changing stroke of caulking machine Jun. 9, 1992
5007281 Plastic working method and apparatus Apr. 16, 1991
4984443 Plastic working method and apparatus Jan. 15, 1991
4982589 Swiveling type plastic working machine Jan. 8, 1991
4947668 Rolling milling tool Aug. 14, 1990
4936125 Plastic working method and apparatus Jun. 26, 1990
4795333 Rotary forging Jan. 3, 1989
4749375 Method for producing a multiple V-groove pulley and a pulley produced by said method Jun. 7, 1988
4704066 Turbine or compressor guide blade and method of manufacturing same Nov. 3, 1987
4698992 Wobble-die forging machine Oct. 13, 1987
4651548 Wobble-die forging machine Mar. 24, 1987
4497188 Process and apparatus for peeling wire Feb. 5, 1985
4391121 Orbital tool assembly for forming rivet heads Jul. 5, 1983
4313248 Method of producing heat transfer tube for use in boiling type heat exchangers Feb. 2, 1982
4131006 Fixed mechanical feed for a riveting device Dec. 26, 1978
4069698 Arrangement for forming form pieces by point rolling Jan. 24, 1978
4043160 Internal tooling for swaging apparatus Aug. 23, 1977
3990285 Method of and apparatus for shaping articles by rolling Nov. 9, 1976



 
 
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