Patents for B23D 73 - Making files or rasps (64)
02/2015
02/04/2015CN104325193A 一种数控锉刀磨床 One kind of CNC grinder rasp
07/2014
07/29/2014US8789444 Longitudinally ground file having increased resistance to torsional and cyclic fatigue failure
07/16/2014CN203712003U 全自动剁齿机 Automatic cut tooth machine
03/2014
03/26/2014CN203495335U Automatic file oiling device
02/2014
02/05/2014CN103551669A File manufacturing method
11/2013
11/07/2013US20130292880 Ceramic files and burs
07/2013
07/17/2013EP2613904A1 Ceramic files and burs
05/2012
05/23/2012EP1677935B1 Rasp blade with cutting teeth laterally displaced from a planar body
03/2012
03/15/2012WO2012032468A1 Ceramic files and burs
02/2012
02/01/2012CN202129514U 多层电镀钻石锉 Multi-layer plating diamond burrs
01/2011
01/26/2011EP2277420A2 Formed or domed cutting teeth formed by improved double etching processes
06/2009
06/03/2009CN201249297Y Pullout auxiliary device of connector
05/2009
05/21/2009US20090129873 Metal sanding devices
05/2008
05/14/2008EP1164905B1 Improved grater and method of making a grating device
04/2008
04/16/2008EP1910001A1 Improvements in metal sanding devices
03/2008
03/11/2008US7341407 Rasp blade with cutting teeth laterally displaced from a planar body
10/2007
10/24/2007EP1677935A4 Rasp blade with cutting teeth laterally displaced from a planar body
10/03/2007CN200954590Y Portable electric multifunction cutter-grinder
06/2007
06/23/2007CA2572029A1 Transition metal nitride coated file
05/2007
05/29/2007CA2365194C Improved grater and method of making a grating device
05/03/2007DE102005052538A1 Callus file for e.g. skin care, has friction surface consisting of synthetic or natural resin laminate dry film that comprises special sieve-like impressed friction surface structure
01/2007
01/18/2007WO2007008207A1 Improvements in metal sanding devices
07/2006
07/12/2006EP1677935A2 Rasp blade with cutting teeth laterally displaced from a planar body
08/2005
08/23/2005US6932680 Tool mounting assembly
06/2005
06/02/2005WO2005037475A3 Rasp blade with cutting teeth laterally displaced from a planar body
04/2005
04/28/2005WO2005037475A2 Rasp blade with cutting teeth laterally displaced from a planar body
04/21/2005US20050085154 Rasp blade with cutting teeth laterally displaced from a planar body
07/2003
07/29/2003CA2055945C Chemically machined sheet metal cutting tools and method
09/2002
09/11/2002EP1237668A1 Barbed endodontic instrument
08/2002
08/06/2002US6428317 Barbed endodontic instrument
03/2001
03/08/2001WO2001015832A1 Barbed endodontic instrument
10/1999
10/26/1999US5971840 Abrasive plate
06/1999
06/16/1999EP0921885A1 Abrasive plate
05/1998
05/06/1998CN2280580Y Reciprocating type electric file machine
02/1998
02/05/1998WO1998004380A1 Abrasive plate
02/05/1998CA2261953A1 Abrasive plate
03/1996
03/06/1996CN2221462Y Domestic knife grinder
11/1995
11/02/1995EP0679466A1 Method for manufacturing round files
10/1995
10/30/1995CA2145108A1 Method of manufacturing round tiles
03/1992
03/31/1992US5100506 Chemically machined sheet metal cutting tools and method
02/1991
02/13/1991CN2071101U Spring chiselling machine head
06/1990
06/26/1990US4936055 Spring file
03/1990
03/28/1990EP0359883A1 Hand files
07/1988
07/20/1988CN87100060A Low-noise hydraulic system for file-marking press
03/1987
03/26/1987WO1987001634A1 Process and device for pressure-sintering for the production of metal-embedded diamond tools
03/26/1987DE3615127A1 Pressure sintering method of manufacturing metal-bonded diamond tools and apparatus for carrying out the method
01/1987
01/21/1987CN86200273U File with tungsten carbide particles welded on it
02/1986
02/18/1986US4571184 Implement for abrasion
07/1985
07/02/1985US4526589 Polisher element
06/1984
06/26/1984US4456500 Deposition photoresist films on metal, masking, and etching to form cutting teeth
03/1983
03/17/1983WO1983000824A1 Implement for abrasion
03/1981
03/24/1981CA1097951A1 Method for producing a spark wheel
03/10/1981CA1097050A1 Abrading tool blade
01/1981
01/27/1981USRE30494 Cutting teeth for etched abrasives
09/1980
09/02/1980US4219915 Abrading tool blades and method of making same
08/1980
08/19/1980US4217797 Method for producing a spark wheel
01/1980
01/08/1980US4182204 Method for making file teeth
10/1979
10/30/1979US4172341 Faucet seat refinisher
11/1978
11/07/1978CA1041767A1 Grinding machine for carbide cutting elements
07/1978
07/11/1978US4099935 Cutting teeth for etched abrasives
01/1978
01/10/1978US4067701 Grinding machine for carbide cutting elements
02/1977
02/01/1977US4005597 File forming press
04/1976
04/20/1976US3951012 Process for making a file and article resulting therefrom
02/1976
02/03/1976US3935756 Method for manufacturing a file from a thin-walled tube