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Class Information
Number: 299/1.8
Name: Mining or in situ disintegration of hard material > Automatic control; signaling or indicating > Of hard material disintegrating machines > Of rotary cutter with advance direction coincident or parallel to rotary axis
Description: Process or apparatus in which the cutter is continuously moved unidirectionally about an axis and is caused to translate along said axis.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7510025 |
Boring machine |
Mar. 31, 2009 |
| 7360844 |
Geosteering detectors for boring-type continuous miners |
Apr. 22, 2008 |
| 7014271 |
Apparatus for detecting the state of rotation of cutting rollers of a shield tunneling machine |
Mar. 21, 2006 |
| 6772134 |
Control means for a horizontal boring tool |
Aug. 3, 2004 |
| 6332652 |
Tunnel excavator with variable pressure water jets |
Dec. 25, 2001 |
| 6062650 |
Continuous control system for a mining or tunnelling machine |
May. 16, 2000 |
| 5938288 |
Automatic control system and method for a machine used for excavating drifts, tunnels, stopes, or caverns |
Aug. 17, 1999 |
| 5501548 |
Method for controlling the direction of a shield tunneling machine and an apparatus therefor |
Mar. 26, 1996 |
| 5312163 |
System for aiding operation of excavating type underground advancing machine |
May. 17, 1994 |
| 5296915 |
Method and apparatus for controlling direction of excavating machine |
Mar. 22, 1994 |
| 5060735 |
Device for positioning of a drill bit |
Oct. 29, 1991 |
| 4984289 |
Apparatus for controlling underground excavator |
Jan. 8, 1991 |
| 4588230 |
Control for mining machine |
May. 13, 1986 |
| 4523651 |
Coal auger guidance system |
Jun. 18, 1985 |
| 4470635 |
Method and apparatus for excavating a tunnel or gallery face |
Sep. 11, 1984 |
| 4412700 |
System for monitoring the movement of a cutting tool of a tunnel-driving machine relative to a desired profile |
Nov. 1, 1983 |
| 4403664 |
Earth boring machine and method |
Sep. 13, 1983 |
| 4391336 |
Acoustic system to guide a coal seam auger |
Jul. 5, 1983 |
| 4285546 |
Tunnel profile control |
Aug. 25, 1981 |
| 4261617 |
Method of controlling the working motion of a cutting tool of a tunnel-driving machine over the breast, and apparatus for carrying out the method |
Apr. 14, 1981 |
| 4238828 |
Position detecting apparatus |
Dec. 9, 1980 |
| 4033626 |
Method and apparatus for controlling a tunneling machine |
Jul. 5, 1977 |
| 4027210 |
Method and control system to limit shifting movement of a winning tool for a tunneling machine |
May. 31, 1977 |
| 4023861 |
Method and apparatus for controlling a tunneling machine |
May. 17, 1977 |
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