DE3783160D1 - Hartloetverfahren. - Google Patents

Hartloetverfahren.

Info

Publication number
DE3783160D1
DE3783160D1 DE8787302869T DE3783160T DE3783160D1 DE 3783160 D1 DE3783160 D1 DE 3783160D1 DE 8787302869 T DE8787302869 T DE 8787302869T DE 3783160 T DE3783160 T DE 3783160T DE 3783160 D1 DE3783160 D1 DE 3783160D1
Authority
DE
Germany
Prior art keywords
hardloet
hardloet process
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 - Fee Related
Application number
DE8787302869T
Other languages
English (en)
Other versions
DE3783160T2 (de
Inventor
Klaus Tank
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.)
De Beers Industrial Diamond Division Pty Ltd
Original Assignee
De Beers Industrial Diamond Division Pty 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 De Beers Industrial Diamond Division Pty Ltd filed Critical De Beers Industrial Diamond Division Pty Ltd
Application granted granted Critical
Publication of DE3783160D1 publication Critical patent/DE3783160D1/de
Publication of DE3783160T2 publication Critical patent/DE3783160T2/de
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
    • E21B10/54—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
    • B23K31/025—Connecting cutting edges or the like to tools; Attaching reinforcements to workpieces, e.g. wear-resisting zones to tableware
DE8787302869T 1986-04-03 1987-04-02 Hartloetverfahren. Expired - Fee Related DE3783160T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA862471 1986-04-03

Publications (2)

Publication Number Publication Date
DE3783160D1 true DE3783160D1 (de) 1993-02-04
DE3783160T2 DE3783160T2 (de) 1993-04-22

Family

ID=25578347

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787302869T Expired - Fee Related DE3783160T2 (de) 1986-04-03 1987-04-02 Hartloetverfahren.

Country Status (4)

Country Link
US (1) US4880154A (de)
EP (1) EP0244947B1 (de)
AU (1) AU589259B2 (de)
DE (1) DE3783160T2 (de)

Families Citing this family (81)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2295837B (en) * 1994-12-10 1998-09-02 Camco Drilling Group Ltd Improvements in or relating to elements faced with superhard material
IT1297321B1 (it) * 1997-10-03 1999-09-01 Inoxriv Di Rivadossi F & Figli Apparecchiatura perfezionata per la saldobrasatura uniforme di elementi a spessori e/o superfici di contatto differenziati
US6189766B1 (en) * 1998-07-10 2001-02-20 Northrop Grumman Corporation Zero stress bonding of silicon carbide to diamond
GB2364529B (en) * 1998-08-18 2002-05-08 Baker Hughes Inc Methods of high temperature infiltration of drill bits and infiltrating binder
US8109349B2 (en) * 2006-10-26 2012-02-07 Schlumberger Technology Corporation Thick pointed superhard material
US7740414B2 (en) 2005-03-01 2010-06-22 Hall David R Milling apparatus for a paved surface
US7568770B2 (en) 2006-06-16 2009-08-04 Hall David R Superhard composite material bonded to a steel body
US7950746B2 (en) * 2006-06-16 2011-05-31 Schlumberger Technology Corporation Attack tool for degrading materials
US7469972B2 (en) * 2006-06-16 2008-12-30 Hall David R Wear resistant tool
US7980582B2 (en) * 2006-08-09 2011-07-19 Atc Leasing Company Llc Front tow extended saddle
US8714285B2 (en) 2006-08-11 2014-05-06 Schlumberger Technology Corporation Method for drilling with a fixed bladed bit
US8485609B2 (en) * 2006-08-11 2013-07-16 Schlumberger Technology Corporation Impact tool
US7410221B2 (en) * 2006-08-11 2008-08-12 Hall David R Retainer sleeve in a degradation assembly
US7669674B2 (en) 2006-08-11 2010-03-02 Hall David R Degradation assembly
US8590644B2 (en) 2006-08-11 2013-11-26 Schlumberger Technology Corporation Downhole drill bit
US7997661B2 (en) * 2006-08-11 2011-08-16 Schlumberger Technology Corporation Tapered bore in a pick
US7992945B2 (en) * 2006-08-11 2011-08-09 Schlumberger Technology Corporation Hollow pick shank
US9051795B2 (en) 2006-08-11 2015-06-09 Schlumberger Technology Corporation Downhole drill bit
US7832809B2 (en) * 2006-08-11 2010-11-16 Schlumberger Technology Corporation Degradation assembly shield
US7320505B1 (en) 2006-08-11 2008-01-22 Hall David R Attack tool
US7648210B2 (en) 2006-08-11 2010-01-19 Hall David R Pick with an interlocked bolster
US8123302B2 (en) 2006-08-11 2012-02-28 Schlumberger Technology Corporation Impact tool
US7419224B2 (en) * 2006-08-11 2008-09-02 Hall David R Sleeve in a degradation assembly
US7445294B2 (en) * 2006-08-11 2008-11-04 Hall David R Attack tool
US7469971B2 (en) 2006-08-11 2008-12-30 Hall David R Lubricated pick
US8622155B2 (en) 2006-08-11 2014-01-07 Schlumberger Technology Corporation Pointed diamond working ends on a shear bit
US8500209B2 (en) 2006-08-11 2013-08-06 Schlumberger Technology Corporation Manually rotatable tool
US8118371B2 (en) 2006-08-11 2012-02-21 Schlumberger Technology Corporation Resilient pick shank
US7946657B2 (en) * 2006-08-11 2011-05-24 Schlumberger Technology Corporation Retention for an insert
US8292372B2 (en) 2007-12-21 2012-10-23 Hall David R Retention for holder shank
US7390066B2 (en) 2006-08-11 2008-06-24 Hall David R Method for providing a degradation drum
US8007051B2 (en) * 2006-08-11 2011-08-30 Schlumberger Technology Corporation Shank assembly
US8414085B2 (en) 2006-08-11 2013-04-09 Schlumberger Technology Corporation Shank assembly with a tensioned element
US7600823B2 (en) * 2006-08-11 2009-10-13 Hall David R Pick assembly
US8453497B2 (en) * 2006-08-11 2013-06-04 Schlumberger Technology Corporation Test fixture that positions a cutting element at a positive rake angle
US8567532B2 (en) 2006-08-11 2013-10-29 Schlumberger Technology Corporation Cutting element attached to downhole fixed bladed bit at a positive rake angle
US7387345B2 (en) * 2006-08-11 2008-06-17 Hall David R Lubricating drum
US7963617B2 (en) 2006-08-11 2011-06-21 Schlumberger Technology Corporation Degradation assembly
US9145742B2 (en) 2006-08-11 2015-09-29 Schlumberger Technology Corporation Pointed working ends on a drill bit
US7338135B1 (en) * 2006-08-11 2008-03-04 Hall David R Holder for a degradation assembly
US7396086B1 (en) 2007-03-15 2008-07-08 Hall David R Press-fit pick
US7992944B2 (en) * 2006-08-11 2011-08-09 Schlumberger Technology Corporation Manually rotatable tool
US7637574B2 (en) * 2006-08-11 2009-12-29 Hall David R Pick assembly
US8449040B2 (en) 2006-08-11 2013-05-28 David R. Hall Shank for an attack tool
US20090058174A1 (en) * 2006-08-11 2009-03-05 Hall David R Attack Tool
US8201892B2 (en) * 2006-08-11 2012-06-19 Hall David R Holder assembly
US8215420B2 (en) 2006-08-11 2012-07-10 Schlumberger Technology Corporation Thermally stable pointed diamond with increased impact resistance
US7413256B2 (en) * 2006-08-11 2008-08-19 Hall David R Washer for a degradation assembly
US7871133B2 (en) * 2006-08-11 2011-01-18 Schlumberger Technology Corporation Locking fixture
US7464993B2 (en) 2006-08-11 2008-12-16 Hall David R Attack tool
US7384105B2 (en) * 2006-08-11 2008-06-10 Hall David R Attack tool
US8033616B2 (en) * 2006-08-11 2011-10-11 Schlumberger Technology Corporation Braze thickness control
US8136887B2 (en) * 2006-08-11 2012-03-20 Schlumberger Technology Corporation Non-rotating pick with a pressed in carbide segment
US9068410B2 (en) 2006-10-26 2015-06-30 Schlumberger Technology Corporation Dense diamond body
US8960337B2 (en) 2006-10-26 2015-02-24 Schlumberger Technology Corporation High impact resistant tool with an apex width between a first and second transitions
US7976239B2 (en) 2006-12-01 2011-07-12 Hall David R End of a moldboard positioned proximate a milling drum
US8485756B2 (en) 2006-12-01 2013-07-16 David R. Hall Heated liquid nozzles incorporated into a moldboard
US8403595B2 (en) 2006-12-01 2013-03-26 David R. Hall Plurality of liquid jet nozzles and a blower mechanism that are directed into a milling chamber
US9051794B2 (en) * 2007-04-12 2015-06-09 Schlumberger Technology Corporation High impact shearing element
US7926883B2 (en) * 2007-05-15 2011-04-19 Schlumberger Technology Corporation Spring loaded pick
US8038223B2 (en) * 2007-09-07 2011-10-18 Schlumberger Technology Corporation Pick with carbide cap
US7832808B2 (en) 2007-10-30 2010-11-16 Hall David R Tool holder sleeve
US20110254350A1 (en) 2007-12-21 2011-10-20 Hall David R Resilent Connection between a Pick Shank and Block
US8540037B2 (en) 2008-04-30 2013-09-24 Schlumberger Technology Corporation Layered polycrystalline diamond
US7628233B1 (en) 2008-07-23 2009-12-08 Hall David R Carbide bolster
US8061457B2 (en) 2009-02-17 2011-11-22 Schlumberger Technology Corporation Chamfered pointed enhanced diamond insert
US20100242375A1 (en) * 2009-03-30 2010-09-30 Hall David R Double Sintered Thermally Stable Polycrystalline Diamond Cutting Elements
US8322796B2 (en) 2009-04-16 2012-12-04 Schlumberger Technology Corporation Seal with contact element for pick shield
US10543548B2 (en) 2009-04-16 2020-01-28 Us Synthetic Corporation Apparatuses and methods for induction heating
US8701799B2 (en) 2009-04-29 2014-04-22 Schlumberger Technology Corporation Drill bit cutter pocket restitution
US20100326740A1 (en) * 2009-06-26 2010-12-30 Hall David R Bonded Assembly Having Low Residual Stress
US8262168B2 (en) 2010-09-22 2012-09-11 Hall David R Multiple milling drums secured to the underside of a single milling machine
US8261471B2 (en) 2010-06-30 2012-09-11 Hall David R Continuously adjusting resultant force in an excavating assembly
US8449039B2 (en) 2010-08-16 2013-05-28 David R. Hall Pick assembly with integrated piston
US8728382B2 (en) 2011-03-29 2014-05-20 David R. Hall Forming a polycrystalline ceramic in multiple sintering phases
US8668275B2 (en) 2011-07-06 2014-03-11 David R. Hall Pick assembly with a contiguous spinal region
US9194189B2 (en) 2011-09-19 2015-11-24 Baker Hughes Incorporated Methods of forming a cutting element for an earth-boring tool, a related cutting element, and an earth-boring tool including such a cutting element
US9180539B1 (en) * 2014-03-18 2015-11-10 Flextronics Ap, Llc Method of and system for dressing RF shield pads
CN104259611B (zh) * 2014-07-23 2016-02-03 深圳市威勒达科技开发有限公司 一种低成本钨电极的制备方法
CN105364244B (zh) * 2015-12-21 2017-10-27 株洲通达合金股份有限公司 一种硬质合金与不锈钢复合棒销的焊接方法
CN115889918B (zh) * 2022-12-23 2024-03-08 郑州机械研究所有限公司 一种pdc截齿的钎焊方法及pdc截齿

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL268735A (de) * 1961-08-29
US3453719A (en) * 1967-03-06 1969-07-08 Shell Oil Co Manufacturing diamond bits
US4063909A (en) * 1974-09-18 1977-12-20 Robert Dennis Mitchell Abrasive compact brazed to a backing
US4107506A (en) * 1976-02-18 1978-08-15 Ismael Martinez Pelegri Soldering method
US4156329A (en) * 1977-05-13 1979-05-29 General Electric Company Method for fabricating a rotary drill bit and composite compact cutters therefor
ZA773813B (en) * 1977-06-24 1979-01-31 De Beers Ind Diamond Abrasive compacts
US4225322A (en) * 1978-01-10 1980-09-30 General Electric Company Composite compact components fabricated with high temperature brazing filler metal and method for making same
EP0104063B1 (de) * 1982-09-16 1986-08-27 De Beers Industrial Diamond Division (Proprietary) Limited Bornitrid enthaltende verschleissfeste Körper
US4610934A (en) * 1985-01-17 1986-09-09 Kennecott Corporation Silicon carbide-to-metal joint and method of making same

Also Published As

Publication number Publication date
EP0244947B1 (de) 1992-12-23
DE3783160T2 (de) 1993-04-22
AU589259B2 (en) 1989-10-05
EP0244947A1 (de) 1987-11-11
US4880154A (en) 1989-11-14
AU7097787A (en) 1987-10-08

Similar Documents

Publication Publication Date Title
DE3783160D1 (de) Hartloetverfahren.
DE3785617D1 (de) Immunassay-prozess.
DE3774909D1 (de) Antitumormittel.
FI875031A (fi) Hjullager.
FI871265A (fi) Databehandlings- och faerdinformationssystem foer jaernvaegstrafik.
FI862416A (fi) Handtag foer kraftsportsredskap.
FI871863A0 (fi) Kaernbraenslepatron.
FI871974A (fi) Foereningar.
FI873723A (fi) Manoeverdon foer elektriskt lyftblock.
FI874179A (fi) Beslag.
FI873331A0 (fi) Adhesivpapper foer kopiering.
DE3789121T2 (de) Entwicklungsverfahren.
FI875519A (fi) Elektronisk shf-kopplingsanordning.
FI884883A0 (fi) Ny process.
FI875473A (fi) Foertjockade gjutningskompositioner.
FI865294A (fi) Lyftmotorenhet.
FI884766A (fi) Syrakatalyserad process.
FI862040A (fi) Avstaengningsanordning.
DE3885851D1 (de) Modifizierungsverfahren.
FI875309A0 (fi) Konjugatvaccin.
FI873094A (fi) Spritsroer.
FI875588A (fi) Bindning foer terraengskida.
FI872788A0 (fi) Foerbaettrade fusionsprodukter.
FI873963A (fi) Kanylkonstruktion.
FI862497A (fi) Lastningsarrangemang.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee