FR1002187A - Percussion punch - Google Patents

Percussion punch

Info

Publication number
FR1002187A
FR1002187A FR1002187DA FR1002187A FR 1002187 A FR1002187 A FR 1002187A FR 1002187D A FR1002187D A FR 1002187DA FR 1002187 A FR1002187 A FR 1002187A
Authority
FR
France
Prior art keywords
percussion
punch
percussion punch
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
Other languages
French (fr)
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.)
Fried Krupp AG
Original Assignee
Fried Krupp AG
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 Fried Krupp AG filed Critical Fried Krupp AG
Application granted granted Critical
Publication of FR1002187A publication Critical patent/FR1002187A/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
    • E21B10/02—Core bits
    • E21B10/04—Core bits with core destroying means
    • 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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/48—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of core type
    • 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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/58—Chisel-type inserts

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)
FR1002187D 1946-08-10 1946-08-10 Percussion punch Expired FR1002187A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1002187T 1946-08-10

Publications (1)

Publication Number Publication Date
FR1002187A true FR1002187A (en) 1952-03-03

Family

ID=9561920

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1002187D Expired FR1002187A (en) 1946-08-10 1946-08-10 Percussion punch

Country Status (1)

Country Link
FR (1) FR1002187A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2461804A1 (en) * 1979-06-13 1981-02-06 Inst Gornogo Dela Sibirskogo O DRILLING TOOL FOR PERCUSSION APPARATUS
EP0054721A1 (en) * 1980-12-24 1982-06-30 Hawera Probst GmbH + Co. Drill bit, especially rock drill bit
FR2538442A1 (en) * 1982-12-23 1984-06-29 Charbonnages De France JET ASSISTED ROTATING FORTIFIER
EP2747923B1 (en) * 2011-08-23 2019-10-30 Robert Bosch GmbH Hole saw, in particular hole saw for reinforced concrete

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2461804A1 (en) * 1979-06-13 1981-02-06 Inst Gornogo Dela Sibirskogo O DRILLING TOOL FOR PERCUSSION APPARATUS
EP0054721A1 (en) * 1980-12-24 1982-06-30 Hawera Probst GmbH + Co. Drill bit, especially rock drill bit
FR2538442A1 (en) * 1982-12-23 1984-06-29 Charbonnages De France JET ASSISTED ROTATING FORTIFIER
EP0114016A1 (en) * 1982-12-23 1984-07-25 Etablissement public dit: CHARBONNAGES DE FRANCE Drill bit for combined rotary and jet drilling
US4535853A (en) * 1982-12-23 1985-08-20 Charbonnages De France Drill bit for jet assisted rotary drilling
EP2747923B1 (en) * 2011-08-23 2019-10-30 Robert Bosch GmbH Hole saw, in particular hole saw for reinforced concrete

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