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Class Information
Number: 451/32
Name: Abrading > Abrading process > Tumbling
Description: Method wherein abrading of one or more workpieces is accomplished during a series of free fall movements, or propulsions, resulting from forces imparted thereon by a work receptacle in motion (generally rotational), and wherein the abrading contact may be: (a) that of mutual attrition between similarly freely moving work bodies; and/or (b) that between a work body and the receptacle wall structure; and/or (c) that exercised by an encompassing fluent particulate mass.

Sub-classes under this class:

Class Number Class Name Patents
451/34 In at least one of plural abrading steps 26
451/33 Including temperature modification or control 21
451/35 With auxiliary work treating or in critical fluent medium 83

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8469075 Coating film peeling apparatus for resin material Jun. 25, 2013
8210902 Surface treated implantable articles and related methods Jul. 3, 2012
8197302 Abrasive for blast processing and blast processing method employing the same Jun. 12, 2012
8016641 Method for manufacturing a golf club head Sep. 13, 2011
7871307 Fluid barrel-polishing device and polishing method Jan. 18, 2011
7674155 Process and apparatus for artificially ageing blocks Mar. 9, 2010
7641744 Superfinishing of high density carbides Jan. 5, 2010
7404755 Process and apparatus for artificially ageing blocks Jul. 29, 2008
7238091 Stone fabrication scheme Jul. 3, 2007
7140947 Barrel polishing method and barrel polishing apparatus Nov. 28, 2006
7128639 Process and apparatus for the artificial aging of stones Oct. 31, 2006
7118454 Machine and method for finishing automotive wheels Oct. 10, 2006
7056197 Dry surface treating apparatus and dry surface treating method using the same apparatus Jun. 6, 2006
6945852 Method for finishing automotive wheels and resulting wheels Sep. 20, 2005
6899600 Wrench manufacturing process May. 31, 2005
6887135 Ball finishing apparatus and process May. 3, 2005
6875081 Method of manufacturing a tool using a rotational processing apparatus Apr. 5, 2005
6821191 Ball finishing process Nov. 23, 2004
6821359 Yoke compartment of voice coil motor for hard disk drive and voice coil motor using said yoke compartment Nov. 23, 2004
6764384 System for the precision machining of rotationally symmetrical components Jul. 20, 2004
6705010 Method and apparatus for reducing the force required to insert a seal in a cavity Mar. 16, 2004
6688952 Machine and method for finishing automotive wheels Feb. 10, 2004
6666757 Centrifugal barrel finishing machine Dec. 23, 2003
6612907 Dry polishing of intraocular lenses Sep. 2, 2003
6575814 Dry polishing of intraocular lenses Jun. 10, 2003
6558230 Method for polishing and chamfering rare earth alloy, and method and machine for sorting out ball media May. 6, 2003
6431956 Surface treatment in a fabrication of a multilayered chip component Aug. 13, 2002
6431955 Method, device and plant for cleaning irregular pieces consisting of different materials Aug. 13, 2002
6403165 Method for modifying stoichiometric NiAl coatings applied to turbine airfoils by thermal processes Jun. 11, 2002
6367134 Method of producing a ceramic electronic part Apr. 9, 2002
6299509 Tumble medium and method for surface treatment Oct. 9, 2001
6277011 Deburring, burnishing and polishing machine with conveyor belt drive Aug. 21, 2001
6261154 Method and apparatus for media finishing Jul. 17, 2001
6254466 Abrading and polishing tumbler apparatus Jul. 3, 2001
6231426 Magnetic polishing machine May. 15, 2001
6220947 Tumble medium and method for surface treatment Apr. 24, 2001
6210258 Vibrational finishing assembly Apr. 3, 2001
6186868 Chilled temperature polishing method for soft acrylic articles Feb. 13, 2001
6146243 Method and apparatus for finishing works magnetically by generating alternating magnetic fields Nov. 14, 2000
5961370 Intraocular lens tumbling process using coated beads Oct. 5, 1999
5873770 Vibratory finishing process Feb. 23, 1999
5848929 Centrifugal finisher with fixed outer vessel and rotatable inner vessel Dec. 15, 1998
5829131 Method of making camshaft lobes Nov. 3, 1998
5803800 Vibratory finishing machine having a helical and tubular container Sep. 8, 1998
5766243 Abrasive polished canalicular implant Jun. 16, 1998
5743790 Vibrating abrasive cleaning apparatus and method Apr. 28, 1998
5733172 Dry barrel finishing machine having a device to wet media Mar. 31, 1998
5730645 Hard coated abrasive medium with selected density Mar. 24, 1998
5725811 IOL tumbling process Mar. 10, 1998
5704823 Method for removing at least one coating from metal scrap parts Jan. 6, 1998

1 2 3

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