FR1051105A - Rock punch with hard metal tip - Google Patents

Rock punch with hard metal tip

Info

Publication number
FR1051105A
FR1051105A FR1051105DA FR1051105A FR 1051105 A FR1051105 A FR 1051105A FR 1051105D A FR1051105D A FR 1051105DA FR 1051105 A FR1051105 A FR 1051105A
Authority
FR
France
Prior art keywords
punch
rock
hard metal
metal tip
tip
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.)
SKF AB
Original Assignee
Svenska Kullagerfabriken AB
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 Svenska Kullagerfabriken AB filed Critical Svenska Kullagerfabriken AB
Application granted granted Critical
Publication of FR1051105A publication Critical patent/FR1051105A/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
    • E21B10/46—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)
FR1051105D 1951-03-01 1952-02-26 Rock punch with hard metal tip Expired FR1051105A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1051105X 1951-03-01

Publications (1)

Publication Number Publication Date
FR1051105A true FR1051105A (en) 1954-01-13

Family

ID=20419261

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1051105D Expired FR1051105A (en) 1951-03-01 1952-02-26 Rock punch with hard metal tip

Country Status (1)

Country Link
FR (1) FR1051105A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1177097B (en) * 1958-05-16 1964-09-03 Sandvikens Jernverks Ab Tungsten carbide cutting insert inserted into the groove of a percussion drill bit
EP0516581A2 (en) * 1991-05-02 1992-12-02 HILTI Aktiengesellschaft Drilling and chiselling tool with basic body and cutting element

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1177097B (en) * 1958-05-16 1964-09-03 Sandvikens Jernverks Ab Tungsten carbide cutting insert inserted into the groove of a percussion drill bit
EP0516581A2 (en) * 1991-05-02 1992-12-02 HILTI Aktiengesellschaft Drilling and chiselling tool with basic body and cutting element
EP0516581A3 (en) * 1991-05-02 1993-07-07 Hilti Aktiengesellschaft Drilling and chiselling tool with basic body and cutting element

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