AU412977B1 - Improvements in or relating to coal cutter picks and boxes - Google Patents

Improvements in or relating to coal cutter picks and boxes

Info

Publication number
AU412977B1
AU412977B1 AU8216/66A AU821666A AU412977B1 AU 412977 B1 AU412977 B1 AU 412977B1 AU 8216/66 A AU8216/66 A AU 8216/66A AU 821666 A AU821666 A AU 821666A AU 412977 B1 AU412977 B1 AU 412977B1
Authority
AU
Australia
Prior art keywords
boxes
relating
coal cutter
cutter picks
picks
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
AU8216/66A
Inventor
Russell Robert
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.)
Hall and Pickles Ltd
Original Assignee
Hall and Pickles Ltd
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 Hall and Pickles Ltd filed Critical Hall and Pickles Ltd
Priority to AU8216/66A priority Critical patent/AU412977B1/en
Application granted granted Critical
Publication of AU412977B1 publication Critical patent/AU412977B1/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK 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
    • E21C35/19—Means for fixing picks or holders
    • E21C35/197—Means for fixing picks or holders using sleeves, rings or the like, as main fixing elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
AU8216/66A 1966-07-12 1966-07-12 Improvements in or relating to coal cutter picks and boxes Expired AU412977B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU8216/66A AU412977B1 (en) 1966-07-12 1966-07-12 Improvements in or relating to coal cutter picks and boxes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU8216/66A AU412977B1 (en) 1966-07-12 1966-07-12 Improvements in or relating to coal cutter picks and boxes

Publications (1)

Publication Number Publication Date
AU412977B1 true AU412977B1 (en) 1971-05-04

Family

ID=3698898

Family Applications (1)

Application Number Title Priority Date Filing Date
AU8216/66A Expired AU412977B1 (en) 1966-07-12 1966-07-12 Improvements in or relating to coal cutter picks and boxes

Country Status (1)

Country Link
AU (1) AU412977B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU675315B2 (en) * 1993-04-26 1997-01-30 Kennametal Inc. Extraction undercut for flanged bits

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU675315B2 (en) * 1993-04-26 1997-01-30 Kennametal Inc. Extraction undercut for flanged bits

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