GB1433556A - Step auger and rock bit combination - Google Patents

Step auger and rock bit combination

Info

Publication number
GB1433556A
GB1433556A GB5285273A GB5285273A GB1433556A GB 1433556 A GB1433556 A GB 1433556A GB 5285273 A GB5285273 A GB 5285273A GB 5285273 A GB5285273 A GB 5285273A GB 1433556 A GB1433556 A GB 1433556A
Authority
GB
United Kingdom
Prior art keywords
auger
bit combination
rock bit
step auger
pilot bit
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
GB5285273A
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.)
Taylor T L
Original Assignee
Taylor T L
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 Taylor T L filed Critical Taylor T L
Publication of GB1433556A publication Critical patent/GB1433556A/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
    • E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
    • E21B10/627—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable with plural detachable cutting elements
    • E21B10/633—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable with plural detachable cutting elements independently detachable
    • 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
    • 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
    • E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts

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)

Abstract

1433556 Boring earth &c T L TAYLOR 14 Nov 1973 [1 Dec 1972] 52852/73 Heading E1F An earth drilling tool comprises an auger 15, Fig. 1, and a pilot bit 21, the leading edge of the auger flight and the pilot bit being provided with pockets 26 and 44, Fig. 9, which receive identical cutting teeth 25.
GB5285273A 1972-12-01 1973-11-14 Step auger and rock bit combination Expired GB1433556A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00311311A US3794129A (en) 1972-12-01 1972-12-01 Step auger and rock bit combination

Publications (1)

Publication Number Publication Date
GB1433556A true GB1433556A (en) 1976-04-28

Family

ID=23206340

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5285273A Expired GB1433556A (en) 1972-12-01 1973-11-14 Step auger and rock bit combination

Country Status (7)

Country Link
US (1) US3794129A (en)
CA (1) CA992533A (en)
ES (1) ES421061A1 (en)
FR (1) FR2209039B1 (en)
GB (1) GB1433556A (en)
IT (1) IT1001892B (en)
ZA (1) ZA738875B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2348654A (en) * 1999-04-09 2000-10-11 Kvaerner Cementation Found Ltd Bearing capacity enhancement for piling applications

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3898895A (en) * 1974-01-14 1975-08-12 Thomas L Taylor Method of attaching teeth to an earth drilling tool
US4046207A (en) * 1976-09-01 1977-09-06 Thomas Lee Taylor Earth drilling tools
ES488902A0 (en) * 1980-02-25 1980-12-01 Pellicer Carlos F IMPROVEMENTS IN THE TOOLS FOR DRILLING MATERIALS PETREAS
US4380271A (en) * 1981-04-17 1983-04-19 Blue Streak Industries, Inc. Earth auger with removable cutting tooth support structure
US4917196A (en) * 1989-08-15 1990-04-17 Kennametal Inc. Excavating tooth for an earth auger
US5143163A (en) * 1991-08-29 1992-09-01 Kennametal Inc. Digging tooth
US7357200B2 (en) * 2005-09-29 2008-04-15 Harleman Ronald E Earth auger
US8226334B2 (en) * 2008-06-23 2012-07-24 The Boeing Company Variable diameter cutting tool
RU173373U1 (en) * 2015-12-16 2017-08-24 Александр Алексеевич Кабашов DRILLING CROWN

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2594261A (en) * 1949-01-13 1952-04-22 Frederick E Henning Earth auger with spirally arranged removable cutting bits
US2610829A (en) * 1949-10-12 1952-09-16 Central Mine Equipment Company Mining drill
US2701126A (en) * 1950-08-15 1955-02-01 Austin Powder Co Auger head
US2731237A (en) * 1951-11-28 1956-01-17 Frederick E Henning Combination earth auger with rock drilling point
US3235018A (en) * 1964-07-17 1966-02-15 Petersen Gerald A Earth auger construction
US3422915A (en) * 1967-06-30 1969-01-21 James P Watts Drilling auger and cutting tooth therefor
US3672455A (en) * 1970-04-14 1972-06-27 Tarton Ind Inc Drag bits

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2348654A (en) * 1999-04-09 2000-10-11 Kvaerner Cementation Found Ltd Bearing capacity enhancement for piling applications
GB2348654B (en) * 1999-04-09 2003-05-28 Kvaerner Cementation Found Ltd An Auger and a Method for Enhancing the Bearing Capacity of a Pile

Also Published As

Publication number Publication date
FR2209039A1 (en) 1974-06-28
ES421061A1 (en) 1976-05-01
US3794129A (en) 1974-02-26
IT1001892B (en) 1976-04-30
ZA738875B (en) 1974-10-30
CA992533A (en) 1976-07-06
FR2209039B1 (en) 1981-04-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee