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Class Information
Number: 83/504
Name: Cutting > Rotatable disc tool pair or tool and carrier > Tool pair comprises rotatable tools > Tool element axially shiftable
Description: Device in which one cutter of tool pair is movable or adjustable relative to the other along the axis of said adjustable cutter.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8438959 Cutting device for shear-cutting of fibre strands May. 14, 2013
8210079 Programmable border slitter Jul. 3, 2012
8033203 Slitting knife cartridge Oct. 11, 2011
7832436 Movable blade unit for wood cutting machine Nov. 16, 2010
7757594 Longitudinal cutting machine with combined upper blade and lower blade positioning Jul. 20, 2010
7472635 Blade holder having displacement-dependent spring force compensation Jan. 6, 2009
7387057 Longitudinal slitter for moving web Jun. 17, 2008
7370562 Method for controlling slitter-scorer apparatus May. 13, 2008
7134372 CNC slitter machine Nov. 14, 2006
7086173 Method and device for calibrating the position of blades of a slitter-winder of a paper or board machine Aug. 8, 2006
6877412 Blade holder with cutting force adjustment independent of stroke Apr. 12, 2005
6874398 Assembly for cutting a tube Apr. 5, 2005
6868766 Knife holder Mar. 22, 2005
6763752 Apparatus for trimming a flange on a cylindrical opening of a plastic container Jul. 20, 2004
6715393 Cutting apparatus having adjustable cutter assembly Apr. 6, 2004
6689037 Machine for the lengthwise treatment of webs of corrugated board Feb. 10, 2004
6631664 Slitting shears Oct. 14, 2003
6474208 Cutting device with detachable cutter head for cutting sheet material length-wise Nov. 5, 2002
6418831 Tool holder and tab system for board cutting machine Jul. 16, 2002
6382066 Method and device for slitting a material web May. 7, 2002
6327950 Longitudinal cutting machine having blade holders that are individually removable from the traverse Dec. 11, 2001
6092354 Device for forming perforation for separation Jul. 25, 2000
6012372 Adjustable arbor and cutting elements Jan. 11, 2000
5992279 Slitting device to slit a material web Nov. 30, 1999
5961064 Apparatus for longitudinally slitting sheet material Oct. 5, 1999
5937721 Paper slitter or perforator automatic constant normal force system Aug. 17, 1999
5937722 Paper slitter or perforator magnetic automatic normal force system Aug. 17, 1999
5865083 Holder unit for a rotary knife pair Feb. 2, 1999
5735184 Powered tool positioner system Apr. 7, 1998
5669279 Shearing machine for trimming flat material particularly sheets and strips of metal Sep. 23, 1997
5632189 Saw shifting apparatus May. 27, 1997
5378221 Assembly and method for axially aligning slotting, trimming, scoring or like heads Jan. 3, 1995
5357832 Web feed apparatus with margin cutter Oct. 25, 1994
5325751 Gang rip saw assembly Jul. 5, 1994
5297464 Rotary shears Mar. 29, 1994
5293798 Sawing machine Mar. 15, 1994
5247865 Apparatus for subdividing running paper webs into narrower webs Sep. 28, 1993
5131304 Upper blade holder Jul. 21, 1992
5099734 Slitting width changing system for slitter Mar. 31, 1992
5083489 Control system for web slitting machine Jan. 28, 1992
5072641 Apparatus for positioning devices for operating upon sheets or webs Dec. 17, 1991
5048388 Rotary knife assembly Sep. 17, 1991
5036741 Saw apparatus with saw collar positioning means Aug. 6, 1991
5031494 Web processing machine having at least one web and roll and a slitter for said web Jul. 16, 1991
5025693 Side shifting apparatus for cutting blade in a web slitting machine Jun. 25, 1991
4989486 System for automatically positioning multiple tool-holding carriages Feb. 5, 1991
4934234 Control unit of the bidirectional traverse of the cutting members in a machine to cut material in sheet Jun. 19, 1990
4926730 Guide for slotting, scoring, trimming or like heads May. 22, 1990
4905554 Cutter for use in paper manufacturing Mar. 6, 1990
4899630 Sheet slitting apparatus Feb. 13, 1990

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