AU6581374A - Mining tool - Google Patents

Mining tool

Info

Publication number
AU6581374A
AU6581374A AU65813/74A AU6581374A AU6581374A AU 6581374 A AU6581374 A AU 6581374A AU 65813/74 A AU65813/74 A AU 65813/74A AU 6581374 A AU6581374 A AU 6581374A AU 6581374 A AU6581374 A AU 6581374A
Authority
AU
Australia
Prior art keywords
mining tool
mining
tool
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
AU65813/74A
Other versions
AU480802B2 (en
Inventor
And Michaela. College Robert J. Mchenry
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kennametal Inc
Original Assignee
Kennametal Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kennametal Inc filed Critical Kennametal Inc
Application granted granted Critical
Publication of AU480802B2 publication Critical patent/AU480802B2/en
Publication of AU6581374A publication Critical patent/AU6581374A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/183—Mining picks; Holders therefor with inserts or layers of wear-resisting material
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/02—Core bits
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/02—Machines slitting solely by one or more percussive tools moved through the seam
    • E21C25/04—Cutting crowns or other tools
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/183—Mining picks; Holders therefor with inserts or layers of wear-resisting material
    • E21C35/1837—Mining picks; Holders therefor with inserts or layers of wear-resisting material characterised by the shape
AU65813/74A 1973-02-20 1974-02-20 Mining tool Expired AU480802B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
USUS333,869 1973-02-20
US00333869A US3830321A (en) 1973-02-20 1973-02-20 Excavating tool and a bit for use therewith

Publications (2)

Publication Number Publication Date
AU480802B2 AU480802B2 (en) 1975-08-21
AU6581374A true AU6581374A (en) 1975-08-21

Family

ID=

Also Published As

Publication number Publication date
CA1003864A (en) 1977-01-18
FR2218468B1 (en) 1977-03-04
DE2407746B2 (en) 1975-02-27
DE2407746A1 (en) 1974-09-19
DE2407746C3 (en) 1979-07-05
GB1465185A (en) 1977-02-23
US3830321A (en) 1974-08-20
FR2218468A1 (en) 1974-09-13

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