ATA359178A - Bohrkrone - Google Patents

Bohrkrone

Info

Publication number
ATA359178A
ATA359178A AT783591A AT359178A ATA359178A AT A359178 A ATA359178 A AT A359178A AT 783591 A AT783591 A AT 783591A AT 359178 A AT359178 A AT 359178A AT A359178 A ATA359178 A AT A359178A
Authority
AT
Austria
Prior art keywords
drill bit
drill
bit
Prior art date
Application number
AT783591A
Other languages
English (en)
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
Publication of ATA359178A publication Critical patent/ATA359178A/de

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)
AT783591A 1977-05-27 1978-05-18 Bohrkrone ATA359178A (de)

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 (1)

Publication Number Publication Date
ATA359178A true ATA359178A (de) 1980-04-15

Family

ID=20331460

Family Applications (1)

Application Number Title Priority Date Filing Date
AT783591A ATA359178A (de) 1977-05-27 1978-05-18 Bohrkrone

Country Status (6)

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

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 (de) * 2013-06-06 2014-12-10 Caterpillar Global Mining Europe GmbH Werkzeugträger für Schneidköpfe
USD818507S1 (en) 2017-02-28 2018-05-22 Kennametal Inc Replaceable tip for a rotatable cutting tool

Also Published As

Publication number Publication date
ZA782728B (en) 1979-05-30
SE7706282L (sv) 1978-11-28
JPS5416301A (en) 1979-02-06
SE415383B (sv) 1980-09-29
AU3601678A (en) 1979-11-15
AU520760B2 (en) 1982-02-25
DE2820642A1 (de) 1978-11-30

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Legal Events

Date Code Title Description
A1V Refusal
ELJ Ceased due to non-payment of the annual fee