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Class Information
Number: 451/93
Name: Abrading > Machine > Sandblast > Abradant propulsion means > Magnetic
Description: Abrading machine wherein the propelling means is capable of impelling the abrasive material by the use of a magnetic field.










Patents under this class:

Patent Number Title Of Patent Date Issued
7969026 Flexible carrier for high volume electronic package fabrication Jun. 28, 2011
7297286 Methods for resist stripping and other processes for cleaning surfaces substantially free of contaminants Nov. 20, 2007
6960118 Surface roughening treatment method of object being treated, and apparatus therefor Nov. 1, 2005
6955589 Delivery system for magnetorheological fluid Oct. 18, 2005
6893322 Method and apparatus for measuring and controlling solids composition of a magnetorheological fluid May. 17, 2005
6475063 Grinding device Nov. 5, 2002
6238279 Magnetic filtration for slurry used in chemical mechanical polishing of semiconductor wafers May. 29, 2001
5971835 System for abrasive jet shaping and polishing of a surface using magnetorheological fluid Oct. 26, 1999
5813901 Method and device for magnetic-abrasive machining of parts Sep. 29, 1998
5795212 Deterministic magnetorheological finishing Aug. 18, 1998
5779523 Apparatus for and method for accelerating fluidized particulate matter Jul. 14, 1998
5775976 Method and device for magnetic-abrasive machining of parts Jul. 7, 1998
5569061 Method and device for magneto-abrasive machining of parts Oct. 29, 1996
5433654 Pressurized ferrofluid paint removal system using an electromagnet and eddy current encircling coil to adjust weight percentage of magnetic particles Jul. 18, 1995
5285601 Magnetic track self-propelled blast cleaning machine Feb. 15, 1994
5074083 Cleaning device using fine frozen particles Dec. 24, 1991
4680900 Device for accelerating an abrasive Jul. 21, 1987
4319436 Portable blasting device and sealing means Mar. 16, 1982
4140401 Cleaning apparatus and method Feb. 20, 1979











 
 
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