AU7025881A - Valveless hammer drill - Google Patents

Valveless hammer drill

Info

Publication number
AU7025881A
AU7025881A AU70258/81A AU7025881A AU7025881A AU 7025881 A AU7025881 A AU 7025881A AU 70258/81 A AU70258/81 A AU 70258/81A AU 7025881 A AU7025881 A AU 7025881A AU 7025881 A AU7025881 A AU 7025881A
Authority
AU
Australia
Prior art keywords
hammer drill
valveless
valveless hammer
drill
hammer
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.)
Abandoned
Application number
AU70258/81A
Inventor
Nigel Bruce Cox
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.)
Halco Directional Drilling Products Ltd
Original Assignee
Halco Directional Drilling Products 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 Halco Directional Drilling Products Ltd filed Critical Halco Directional Drilling Products Ltd
Publication of AU7025881A publication Critical patent/AU7025881A/en
Abandoned 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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/06—Down-hole impacting means, e.g. hammers
    • E21B4/14—Fluid operated hammers

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Actuator (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Reciprocating Pumps (AREA)
AU70258/81A 1980-05-09 1981-05-08 Valveless hammer drill Abandoned AU7025881A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB8015389 1980-05-09
GB8015389 1980-05-09
GB8040286 1980-12-16
GB8040286 1980-12-16

Publications (1)

Publication Number Publication Date
AU7025881A true AU7025881A (en) 1981-11-12

Family

ID=26275454

Family Applications (1)

Application Number Title Priority Date Filing Date
AU70258/81A Abandoned AU7025881A (en) 1980-05-09 1981-05-08 Valveless hammer drill

Country Status (5)

Country Link
EP (1) EP0040026A1 (en)
AU (1) AU7025881A (en)
CA (1) CA1151027A (en)
ES (1) ES8302186A1 (en)
PT (1) PT73003B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0081897B1 (en) * 1981-12-10 1986-04-09 WEAVER & HURT LIMITED Percussive drills
EP0099594B1 (en) * 1982-07-23 1986-02-19 WEAVER & HURT LIMITED Rock drills
AU608441B2 (en) * 1988-06-15 1991-03-28 Abraham Gien Down the hole hammer equipment
SE9200995L (en) * 1992-03-31 1993-05-24 Uniroc Ab BATTERY PISTON FOR PUMP DRILLING MACHINE
AUPO957097A0 (en) * 1997-10-01 1997-10-30 Rear, Ian Graeme Hammer
CZ136198A3 (en) 1998-05-04 1999-11-17 Permon S. R. O. Air-operated underwater drilling tools
US7272579B1 (en) * 2000-02-17 2007-09-18 Fedbid, Inc. Auction based procurement system
US8046269B2 (en) 2000-02-17 2011-10-25 Fedbid, Inc. Auction based procurement system
US7617889B2 (en) * 2005-11-03 2009-11-17 Rockmore International, Inc. Backhead and drill assembly with backhead

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2774334A (en) * 1953-05-01 1956-12-18 Hughes Tool Co Reciprocating prime mover
US3944003A (en) * 1972-04-24 1976-03-16 Bakerdrill, Inc. Bore hole air hammer
US3964551A (en) * 1974-09-20 1976-06-22 Reed Tool Company Pneumatic impact drilling tool
GB1472501A (en) * 1975-01-13 1977-05-04 Gien Abraham Pneumatic percussive machines
US4030554A (en) * 1975-07-07 1977-06-21 Bakerdrill, Inc. Bore hole airhammer and anvil bit
US4084647A (en) * 1976-07-01 1978-04-18 William Lister Pneumatic percussion hammer

Also Published As

Publication number Publication date
ES502022A0 (en) 1982-12-16
ES8302186A1 (en) 1982-12-16
PT73003B (en) 1982-04-30
PT73003A (en) 1981-06-01
CA1151027A (en) 1983-08-02
EP0040026A1 (en) 1981-11-18

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