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Class Information
Number: 299/81.3
Name: Mining or in situ disintegration of hard material > Cutter tooth or tooth head > Cleansing fluid passage > Nozzle or seal details
Description: Cleansing fluid passage having a particular type of projecting vent or fluid-tight joint.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7390066 |
Method for providing a degradation drum |
Jun. 24, 2008 |
| 7198332 |
Device for producing a gas-liquid mixture in the vicinity of cutting tools |
Apr. 3, 2007 |
| 7097257 |
Cutting tool with nozzle for spraying water on cutter bit |
Aug. 29, 2006 |
| 7073869 |
Shield tunneling machine |
Jul. 11, 2006 |
| 6839989 |
Drilling apparatus for hard ground |
Jan. 11, 2005 |
| 6764141 |
Rear mounted bit holder water spray |
Jul. 20, 2004 |
| 6758529 |
Mining nozzle with two ring latch |
Jul. 6, 2004 |
| 6485104 |
Cutting tool assembly with replaceable spray nozzle housing |
Nov. 26, 2002 |
| 6257672 |
Clip for retaining a water spray nozzle within a pick box of a cutting head |
Jul. 10, 2001 |
| 6247759 |
Cutting tool assembly with replaceable spray nozzle |
Jun. 19, 2001 |
| 6161635 |
Drilling system drive steel |
Dec. 19, 2000 |
| 6139112 |
Mining machine with internal water supply for the cutting drums |
Oct. 31, 2000 |
| 6102485 |
Water seal arrangement |
Aug. 15, 2000 |
| 6099081 |
Point attack tooling system for mineral winning |
Aug. 8, 2000 |
| 5498069 |
Bit holder with a detachably fixed bit bushing |
Mar. 12, 1996 |
| 5498068 |
Non-entry mining method equipment |
Mar. 12, 1996 |
| 5380068 |
Deep kerfing in rocks with ultrahigh-pressure fan jets |
Jan. 10, 1995 |
| 5378048 |
Spray nozzle for mining |
Jan. 3, 1995 |
| 5291957 |
Method and apparatus for jet cutting |
Mar. 8, 1994 |
| 5234258 |
Cutter for extraction machines |
Aug. 10, 1993 |
| 5199512 |
Method of an apparatus for jet cutting |
Apr. 6, 1993 |
| 5195805 |
Water spray nozzle for use with a mineral pick box |
Mar. 23, 1993 |
| 5071195 |
Tool and nozzle supporting device for use in mining machines |
Dec. 10, 1991 |
| 5007684 |
Water spray unit for mining |
Apr. 16, 1991 |
| 4842337 |
Mining bit and holder |
Jun. 27, 1989 |
| 4705321 |
Device for supplying fluid to a tool for breaking hard material |
Nov. 10, 1987 |
| 4668018 |
Rotary cutter with spray nozzles for removal of ores from mine faces |
May. 26, 1987 |
| 4652056 |
Mineral cutting device |
Mar. 24, 1987 |
| 4650253 |
Pick and the combination of a pick and holder |
Mar. 17, 1987 |
| 4624505 |
Mineral cutter picks and pick assemblies |
Nov. 25, 1986 |
| 4583786 |
Mineral mining pick and holder assembly |
Apr. 22, 1986 |
| 4573744 |
Pick and the combination of a pick and holder |
Mar. 4, 1986 |
| 4529250 |
Mineral mining apparatus |
Jul. 16, 1985 |
| 4498707 |
Cutting roller |
Feb. 12, 1985 |
| 4488758 |
Pick and the combination of a pick and holder |
Dec. 18, 1984 |
| 4465320 |
Cutter drum assembly for longwall mining machines |
Aug. 14, 1984 |
| 4452324 |
Rotary drill bit |
Jun. 5, 1984 |
| 4437707 |
Spraying nozzle arrangement |
Mar. 20, 1984 |
| 4389075 |
Device for preventing ingress of dust through the annular gap between the cutting arm and the cutting head of a cutting machine |
Jun. 21, 1983 |
| 4280735 |
Non-rotary mining cutter with recessed nozzle insert |
Jul. 28, 1981 |
| 4251109 |
Dust controlling method using a coal cutter bit |
Feb. 17, 1981 |
| 4084855 |
Water-driven air pumping and dust-suppressing apparatus |
Apr. 18, 1978 |
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