SE7800293L - BORRKRONA - Google Patents

BORRKRONA

Info

Publication number
SE7800293L
SE7800293L SE7800293A SE7800293A SE7800293L SE 7800293 L SE7800293 L SE 7800293L SE 7800293 A SE7800293 A SE 7800293A SE 7800293 A SE7800293 A SE 7800293A SE 7800293 L SE7800293 L SE 7800293L
Authority
SE
Sweden
Prior art keywords
borrkrona
Prior art date
Application number
SE7800293A
Other languages
Swedish (sv)
Other versions
SE437178B (en
Inventor
R E Generoux
Original Assignee
Lamage Ltd
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 Lamage Ltd filed Critical Lamage Ltd
Publication of SE7800293L publication Critical patent/SE7800293L/en
Publication of SE437178B publication Critical patent/SE437178B/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/02—Core bits
SE7800293A 1977-11-18 1978-01-11 DIAMANTKERNBORRKRONA SE437178B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA291,253A CA1053938A (en) 1977-11-18 1977-11-18 Drill bit

Publications (2)

Publication Number Publication Date
SE7800293L true SE7800293L (en) 1979-05-19
SE437178B SE437178B (en) 1985-02-11

Family

ID=4110073

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7800293A SE437178B (en) 1977-11-18 1978-01-11 DIAMANTKERNBORRKRONA

Country Status (8)

Country Link
AU (1) AU4162378A (en)
CA (1) CA1053938A (en)
DE (1) DE2850015A1 (en)
ES (1) ES475183A1 (en)
FR (1) FR2409372A1 (en)
GB (1) GB2009284B (en)
SE (1) SE437178B (en)
ZA (1) ZA786359B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8805789D0 (en) * 1988-03-11 1988-04-13 Reed Tool Co Improvements in/relating to cutter assemblies for rotary drill bits
DE8805449U1 (en) * 1988-04-25 1988-06-09 Maier, Wolfgang, 5630 Remscheid, De
DE3842673A1 (en) * 1988-12-19 1990-06-21 Atilla Dipl Chem Dr Ing Akyol Process for producing wear-resistant coats
DE3901528A1 (en) * 1989-01-20 1990-07-26 Hilti Ag HOLLOW DRILLING TOOL
CA2081033C (en) * 1992-10-21 1995-08-08 Barry Wolf Nest drill tube
US20030186636A1 (en) * 2002-03-27 2003-10-02 Devrim Akyuz Tool for cutting solid materials
CN101456216B (en) * 2009-01-09 2011-08-10 博深工具股份有限公司 Laser-welding diamond disc and preparation method thereof
US8991524B2 (en) 2010-09-13 2015-03-31 Longyear Tm, Inc. Impregnated drill bits with integrated reamers
MX2014014206A (en) 2012-05-22 2015-06-04 Owens Corning Intellectual Cap Laminated foam product and methods for making laminated foam products.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2182562A (en) * 1937-01-23 1939-12-05 Charles J Koebel Core bit
US2511991A (en) * 1948-02-13 1950-06-20 Nussbaum Leon Rotary drilling tool
US2506388A (en) * 1948-10-20 1950-05-02 Koebel Diamond Tool Co Core bit
US3106973A (en) * 1960-09-26 1963-10-15 Christensen Diamond Prod Co Rotary drill bits

Also Published As

Publication number Publication date
GB2009284A (en) 1979-06-13
ES475183A1 (en) 1979-05-16
SE437178B (en) 1985-02-11
DE2850015A1 (en) 1979-05-23
AU4162378A (en) 1979-05-24
CA1053938A (en) 1979-05-08
GB2009284B (en) 1982-03-24
FR2409372A1 (en) 1979-06-15
ZA786359B (en) 1979-10-31

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