CA1020152A - Excavating tool - Google Patents

Excavating tool

Info

Publication number
CA1020152A
CA1020152A CA224,333A CA224333A CA1020152A CA 1020152 A CA1020152 A CA 1020152A CA 224333 A CA224333 A CA 224333A CA 1020152 A CA1020152 A CA 1020152A
Authority
CA
Canada
Prior art keywords
excavating tool
excavating
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
CA224,333A
Other languages
French (fr)
Other versions
CA224333S (en
Inventor
Michael A. College
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 CA1020152A publication Critical patent/CA1020152A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/64—Drill bits characterised by the whole or part thereof being insertable into or removable from the borehole without withdrawing the drilling pipe

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
CA224,333A 1974-06-12 1975-04-10 Excavating tool Expired CA1020152A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US478503A US3924697A (en) 1974-06-12 1974-06-12 Excavating tool

Publications (1)

Publication Number Publication Date
CA1020152A true CA1020152A (en) 1977-11-01

Family

ID=23900215

Family Applications (1)

Application Number Title Priority Date Filing Date
CA224,333A Expired CA1020152A (en) 1974-06-12 1975-04-10 Excavating tool

Country Status (3)

Country Link
US (1) US3924697A (en)
CA (1) CA1020152A (en)
DE (1) DE2517329C3 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4917196A (en) * 1989-08-15 1990-04-17 Kennametal Inc. Excavating tooth for an earth auger
US5067262A (en) * 1990-08-03 1991-11-26 Kennametal Inc. Digging tooth
US5086852A (en) * 1990-08-27 1992-02-11 Wada Ventures Fluid flow control system for operating a down-hole tool
US5143163A (en) * 1991-08-29 1992-09-01 Kennametal Inc. Digging tooth
US5366031A (en) * 1993-05-03 1994-11-22 Pengo Corporation Auger head assembly and method of drilling hard earth formations
CA2115004A1 (en) * 1994-02-04 1995-08-05 Vern Arthur Hult Pilot bit for use in auger bit assembly
DE19938646C2 (en) * 1999-08-16 2003-03-06 Heinz-Ludwig Haub rotary drill head
CN102561952A (en) * 2011-11-28 2012-07-11 中煤科工集团重庆研究院 Large-through-hole opening type all-dimensional drilling bit and sieve tube lowering method thereof
CN102877791A (en) * 2012-10-17 2013-01-16 淮南矿业(集团)有限责任公司 Drill bit and drilling device
CN103912221A (en) * 2014-04-22 2014-07-09 铁道第三勘察设计院集团有限公司 Casing pipe drill bit and application thereof to rock fixed-depth static sounding

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3074703A (en) * 1960-02-24 1963-01-22 Salem Tool Co Lump producing head for coal augering
US3092190A (en) * 1960-04-04 1963-06-04 Gruere Charles Large diameter earth drill
US3136376A (en) * 1961-05-12 1964-06-09 Eli I Robinsky Cutter head for hollow stem auger
US3170526A (en) * 1962-09-13 1965-02-23 Willie L Chanvin Drill bit
US3388949A (en) * 1965-12-22 1968-06-18 Salem Tool Co Mining machine head
US3650565A (en) * 1970-05-04 1972-03-21 Kennametal Inc Pick type mining bit and support block therefor
US3734214A (en) * 1971-09-24 1973-05-22 Pengo Corp Head for horizontal boring

Also Published As

Publication number Publication date
DE2517329B2 (en) 1977-07-21
US3924697A (en) 1975-12-09
DE2517329C3 (en) 1980-01-17
AU8020975A (en) 1976-10-21
DE2517329A1 (en) 1975-12-18

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