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Class Information
Number: 175/373
Name: Boring or penetrating the earth > Bit or bit element > Rolling cutter bit or rolling cutter bit element > Disk cutter
Description: Apparatus in which the rolling cutter element comprises a wheel having an unbroken, sharpened cutting edge portion at its periphery.










Patents under this class:

Patent Number Title Of Patent Date Issued
8307920 Roller cone disk with shaped compacts Nov. 13, 2012
7331410 Drill bit arcuate-shaped inserts with cutting edges and method of manufacture Feb. 19, 2008
7117960 Bits for use in drilling with casting and method of making the same Oct. 10, 2006
7025155 Rock bit with channel structure for retaining cutter segments Apr. 11, 2006
7017683 Cutter for tunnel boring machine Mar. 28, 2006
6935443 Mini disk bit Aug. 30, 2005
6857488 Boring head cutter Feb. 22, 2005
6533050 Excavation bit for a drilling apparatus Mar. 18, 2003
6367569 Replaceable multiple TCI kerf ring Apr. 9, 2002
6343842 Roller bit for tunnel-driving machines with segmented cutting rings Feb. 5, 2002
6296069 Bladed drill bit with centrally distributed diamond cutters Oct. 2, 2001
6230826 Drilling apparatus an excavation bit May. 15, 2001
6131676 Small disc cutter, and drill bits, cutterheads, and tunnel boring machines employing such rolling disc cutters Oct. 17, 2000
5961185 Shielded cutterhead with small rolling disc cutters Oct. 5, 1999
5904211 Disc cutter and excavation equipment May. 18, 1999
5785135 Earth-boring bit having cutter with replaceable kerf ring with contoured inserts Jul. 28, 1998
5626201 Disc cutter and method of replacing disc cutters May. 6, 1997
5598895 Cutter assembly having a plurality of independently rotatable cutting units thereon Feb. 4, 1997
5341889 Ring clamp for a cutter ring in a tunnel drilling machine Aug. 30, 1994
5295735 Rock saw Mar. 22, 1994
5253723 Ring cutter for tunnel drilling in rock Oct. 19, 1993
5234064 Roller cutter assembly having adjustable ring cutter spacing Aug. 10, 1993
5199832 Multi-component cutting element using polycrystalline diamond disks Apr. 6, 1993
5111894 Uninterrupted drill bit May. 12, 1992
4793427 Disc cutters for rock working machines Dec. 27, 1988
4784438 Tunneling machine rotatable member Nov. 15, 1988
4751972 Revolving cutters for rock bits Jun. 21, 1988
4706765 Drill bit assembly Nov. 17, 1987
4549614 Drilling device Oct. 29, 1985
4298080 Rock cutting tools Nov. 3, 1981
4202418 Roller cutter mounts May. 13, 1980
4102415 Drilling device Jul. 25, 1978
4004645 Disc cutting units for use on rock boring machines Jan. 25, 1977
3982595 ROCK BORING CUTTER WITH REPLACEABLE CUTTING ELEMENTS Sep. 28, 1976
3981370 Disc cutting unit for use on rock boring machines Sep. 21, 1976











 
 
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