PL326764A1 - Drilling bit - Google Patents

Drilling bit

Info

Publication number
PL326764A1
PL326764A1 PL96326764A PL32676496A PL326764A1 PL 326764 A1 PL326764 A1 PL 326764A1 PL 96326764 A PL96326764 A PL 96326764A PL 32676496 A PL32676496 A PL 32676496A PL 326764 A1 PL326764 A1 PL 326764A1
Authority
PL
Poland
Prior art keywords
drilling bit
drilling
bit
Prior art date
Application number
PL96326764A
Other versions
PL180429B1 (en
Inventor
Josef Mocivnik
Original Assignee
Techmo Entw & Vertriebs Gmbh
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 Techmo Entw & Vertriebs Gmbh filed Critical Techmo Entw & Vertriebs Gmbh
Publication of PL326764A1 publication Critical patent/PL326764A1/en
Publication of PL180429B1 publication Critical patent/PL180429B1/en

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
    • E21B10/36—Percussion drill bits

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)
  • Drilling Tools (AREA)
  • Earth Drilling (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Percussive Tools And Related Accessories (AREA)
PL96326764A 1995-11-23 1996-11-22 Drilling bit PL180429B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0064195U AT1513U1 (en) 1995-11-23 1995-11-23 DRILL BIT
PCT/AT1996/000234 WO1997019247A1 (en) 1995-11-23 1996-11-22 Drill bit

Publications (2)

Publication Number Publication Date
PL326764A1 true PL326764A1 (en) 1998-10-26
PL180429B1 PL180429B1 (en) 2001-02-28

Family

ID=3495962

Family Applications (1)

Application Number Title Priority Date Filing Date
PL96326764A PL180429B1 (en) 1995-11-23 1996-11-22 Drilling bit

Country Status (10)

Country Link
EP (1) EP0862678B1 (en)
AT (2) AT1513U1 (en)
AU (1) AU7684996A (en)
CZ (1) CZ290060B6 (en)
DE (1) DE59604134D1 (en)
ES (1) ES2143244T3 (en)
GR (1) GR3033073T3 (en)
PL (1) PL180429B1 (en)
PT (1) PT862678E (en)
WO (1) WO1997019247A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3961959B2 (en) 2001-05-17 2007-08-22 アトラス・コプコ・マイ・ゲーエムベーハー Drill bit
FR3004746B1 (en) * 2013-04-19 2015-05-15 Diager CUTTING PLATE
ES2667070T3 (en) * 2013-09-13 2018-05-09 Irwin Industrial Tool Company Shaft for a drilling tool, drilling tool and procedure for manufacturing a drilling tool
EP3850182A4 (en) 2018-09-10 2022-05-18 National Oilwell DHT, L.P. Drill bit cutter elements and drill bits including same

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB189021A (en) * 1921-11-21 1922-11-23 Arthur Lee Hawkesworth Drills
US1718462A (en) * 1923-07-02 1929-06-25 Hardsocg Martin Rock drill
DE918741C (en) * 1949-09-03 1954-10-04 Boehler & Co Ag Geb Rock drill with single or multiple cutting edges
US3062306A (en) * 1959-03-19 1962-11-06 Sandvikens Jernverks Ab Drill bit
CH544880A (en) * 1970-06-12 1974-01-15 Trident Ind Inc Churn drill bit for cable rigs - with detachable teeth and shims for gauge loss compensation
DE2216760C2 (en) * 1972-04-07 1982-11-11 Hawera Probst Gmbh + Co, 7980 Ravensburg Rock drill
DE4011441A1 (en) * 1990-04-09 1991-10-10 Hilti Ag ROCK DRILL

Also Published As

Publication number Publication date
WO1997019247A1 (en) 1997-05-29
AT1513U1 (en) 1997-06-25
ES2143244T3 (en) 2000-05-01
EP0862678B1 (en) 2000-01-05
DE59604134D1 (en) 2000-02-10
AU7684996A (en) 1997-06-11
GR3033073T3 (en) 2000-08-31
PT862678E (en) 2000-06-30
ATE188535T1 (en) 2000-01-15
CZ290060B6 (en) 2002-05-15
CZ155998A3 (en) 1998-09-16
PL180429B1 (en) 2001-02-28
EP0862678A1 (en) 1998-09-09

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Legal Events

Date Code Title Description
LAPS Decisions on the lapse of the protection rights

Effective date: 20121122