SE415383B - Borrkrona, speciellt en stiftborrkrona - Google Patents

Borrkrona, speciellt en stiftborrkrona

Info

Publication number
SE415383B
SE415383B SE7706282A SE7706282A SE415383B SE 415383 B SE415383 B SE 415383B SE 7706282 A SE7706282 A SE 7706282A SE 7706282 A SE7706282 A SE 7706282A SE 415383 B SE415383 B SE 415383B
Authority
SE
Sweden
Prior art keywords
chronicle
drilling
special
pin
pin drilling
Prior art date
Application number
SE7706282A
Other languages
English (en)
Swedish (sv)
Other versions
SE7706282L (sv
Inventor
B Rossander
Original Assignee
Fagersta 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 Fagersta Ab filed Critical Fagersta Ab
Priority to SE7706282A priority Critical patent/SE415383B/xx
Priority to DE19782820642 priority patent/DE2820642A1/de
Priority to AU36016/78A priority patent/AU520760B2/en
Priority to ZA00782728A priority patent/ZA782728B/xx
Priority to AT783591A priority patent/ATA359178A/de
Priority to JP6176978A priority patent/JPS5416301A/ja
Publication of SE7706282L publication Critical patent/SE7706282L/
Publication of SE415383B publication Critical patent/SE415383B/xx

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
    • E21B10/56—Button-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)
  • Earth Drilling (AREA)
SE7706282A 1977-05-27 1977-05-27 Borrkrona, speciellt en stiftborrkrona SE415383B (sv)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SE7706282A SE415383B (sv) 1977-05-27 1977-05-27 Borrkrona, speciellt en stiftborrkrona
DE19782820642 DE2820642A1 (de) 1977-05-27 1978-05-11 Bohrgeraet
AU36016/78A AU520760B2 (en) 1977-05-27 1978-05-11 Drilling tool
ZA00782728A ZA782728B (en) 1977-05-27 1978-05-12 Drilling tool
AT783591A ATA359178A (de) 1977-05-27 1978-05-18 Bohrkrone
JP6176978A JPS5416301A (en) 1977-05-27 1978-05-25 Tip end of drilling tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7706282A SE415383B (sv) 1977-05-27 1977-05-27 Borrkrona, speciellt en stiftborrkrona

Publications (2)

Publication Number Publication Date
SE7706282L SE7706282L (sv) 1978-11-28
SE415383B true SE415383B (sv) 1980-09-29

Family

ID=20331460

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7706282A SE415383B (sv) 1977-05-27 1977-05-27 Borrkrona, speciellt en stiftborrkrona

Country Status (6)

Country Link
JP (1) JPS5416301A (ja)
AT (1) ATA359178A (ja)
AU (1) AU520760B2 (ja)
DE (1) DE2820642A1 (ja)
SE (1) SE415383B (ja)
ZA (1) ZA782728B (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6096493U (ja) * 1983-12-08 1985-07-01 三菱マテリアル株式会社 カツタ−
US4725099A (en) 1985-07-18 1988-02-16 Gte Products Corporation Rotatable cutting bit
US4823893A (en) * 1987-07-17 1989-04-25 Ingersoll-Rand Company Metal insert mounting
DE4032066C2 (de) * 1990-10-05 1999-04-15 Siegfried Treitz Anordnung und Befestigung von stiftförmigen Schneideinsätzen in Gesteinsbohrkronen
EP2811114A1 (en) * 2013-06-06 2014-12-10 Caterpillar Global Mining Europe GmbH Tool support for cutting heads
USD818507S1 (en) 2017-02-28 2018-05-22 Kennametal Inc Replaceable tip for a rotatable cutting tool

Also Published As

Publication number Publication date
DE2820642A1 (de) 1978-11-30
JPS5416301A (en) 1979-02-06
SE7706282L (sv) 1978-11-28
AU3601678A (en) 1979-11-15
ZA782728B (en) 1979-05-30
AU520760B2 (en) 1982-02-25
ATA359178A (de) 1980-04-15

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