CA2391359A1 - A method for the manufacturing of a drill bit for percussive rock drilling and a rock drill bit and buttons therefor - Google Patents

A method for the manufacturing of a drill bit for percussive rock drilling and a rock drill bit and buttons therefor Download PDF

Info

Publication number
CA2391359A1
CA2391359A1 CA002391359A CA2391359A CA2391359A1 CA 2391359 A1 CA2391359 A1 CA 2391359A1 CA 002391359 A CA002391359 A CA 002391359A CA 2391359 A CA2391359 A CA 2391359A CA 2391359 A1 CA2391359 A1 CA 2391359A1
Authority
CA
Canada
Prior art keywords
drill bit
buttons
rock
manufacturing
percussive
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.)
Granted
Application number
CA002391359A
Other languages
French (fr)
Other versions
CA2391359C (en
Inventor
Johan Linden
Lars-Gunnar Lundell
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.)
Sandvik Intellectual Property AB
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2391359A1 publication Critical patent/CA2391359A1/en
Application granted granted Critical
Publication of CA2391359C publication Critical patent/CA2391359C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • E21B10/56—Button-type inserts

Abstract

The present invention relates to a method for the manufacturing of drill bits for percussive rock drilling and a rock drill bit (10) and a button (14A). The rock drill bit includes a head portion (11) with a forward surface (13;
15), which has a number of buttons (16) provided in a peripheral wreath, and a number front buttons (14A) placed inside the peripheral buttons (16). At least one of said buttons has a diameter (D) and a height (H). The button (14A) is welded to an essentially flat part of the forward surface.
The button is metallurgically bound to the forward surface (13, 15) and the following formula applies: H/D < 1.2.
CA002391359A 1999-11-25 2000-11-17 A method for the manufacturing of a drill bit for percussive rock drilling and a rock drill bit and buttons therefor Expired - Fee Related CA2391359C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9904273-1 1999-11-25
SE9904273A SE515294C2 (en) 1999-11-25 1999-11-25 Rock drill bit and pins for striking drilling and method of manufacturing a rock drill bit for striking drilling
PCT/SE2000/002255 WO2001038683A2 (en) 1999-11-25 2000-11-17 A method for the manufacturing of a drill bit for percussive rock drilling and a rock drill bit and buttons therefor

Publications (2)

Publication Number Publication Date
CA2391359A1 true CA2391359A1 (en) 2001-05-31
CA2391359C CA2391359C (en) 2007-10-09

Family

ID=20417854

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002391359A Expired - Fee Related CA2391359C (en) 1999-11-25 2000-11-17 A method for the manufacturing of a drill bit for percussive rock drilling and a rock drill bit and buttons therefor

Country Status (11)

Country Link
US (2) US6508318B1 (en)
EP (1) EP1232320B1 (en)
JP (1) JP2003515020A (en)
AT (1) ATE288996T1 (en)
AU (1) AU775817B2 (en)
BR (1) BR0015600A (en)
CA (1) CA2391359C (en)
DE (1) DE60018098T2 (en)
SE (1) SE515294C2 (en)
WO (1) WO2001038683A2 (en)
ZA (1) ZA200203542B (en)

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JP2014196615A (en) * 2013-03-29 2014-10-16 三菱マテリアル株式会社 Drilling bit and drilling tip used therefor
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USD872142S1 (en) * 2015-05-21 2020-01-07 Center Rock Inc. Drill bit for a down-the-hole drill hammer
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Also Published As

Publication number Publication date
ATE288996T1 (en) 2005-02-15
SE9904273D0 (en) 1999-11-25
BR0015600A (en) 2002-07-09
EP1232320B1 (en) 2005-02-09
WO2001038683A8 (en) 2001-09-27
SE9904273L (en) 2001-05-26
DE60018098T2 (en) 2006-01-19
DE60018098D1 (en) 2005-03-17
US6508318B1 (en) 2003-01-21
US6658968B2 (en) 2003-12-09
ZA200203542B (en) 2003-08-04
US20020153174A1 (en) 2002-10-24
AU775817B2 (en) 2004-08-19
CA2391359C (en) 2007-10-09
JP2003515020A (en) 2003-04-22
WO2001038683A2 (en) 2001-05-31
WO2001038683A3 (en) 2001-12-20
EP1232320A2 (en) 2002-08-21
AU1565901A (en) 2001-06-04
SE515294C2 (en) 2001-07-09

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EEER Examination request
MKLA Lapsed

Effective date: 20161117