AU576383B2 - Surface hardening of drill rod couplings with a laser - Google Patents
Surface hardening of drill rod couplings with a laserInfo
- Publication number
- AU576383B2 AU576383B2 AU46906/85A AU4690685A AU576383B2 AU 576383 B2 AU576383 B2 AU 576383B2 AU 46906/85 A AU46906/85 A AU 46906/85A AU 4690685 A AU4690685 A AU 4690685A AU 576383 B2 AU576383 B2 AU 576383B2
- Authority
- AU
- Australia
- Prior art keywords
- laser
- drill rod
- surface hardening
- rod couplings
- couplings
- 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.)
- Ceased
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/06—Surface hardening
- C21D1/09—Surface hardening by direct application of electrical or wave energy; by particle radiation
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
- C21D9/14—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes wear-resistant or pressure-resistant pipes
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/22—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for drills; for milling cutters; for machine cutting tools
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
- Earth Drilling (AREA)
- Adornments (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT22647/84A IT1176705B (en) | 1984-09-13 | 1984-09-13 | PROCEDURE PERFECTED FOR SURFACE HARDENING OF THE JOINTS OF THE DRILLING AUCTIONS AND AUCTIONS SO OBTAINED |
IT22647/84 | 1984-09-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
AU4690685A AU4690685A (en) | 1986-03-20 |
AU576383B2 true AU576383B2 (en) | 1988-08-25 |
Family
ID=11198819
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU46906/85A Ceased AU576383B2 (en) | 1984-09-13 | 1985-08-30 | Surface hardening of drill rod couplings with a laser |
Country Status (15)
Country | Link |
---|---|
JP (1) | JPS6179725A (en) |
AU (1) | AU576383B2 (en) |
BE (1) | BE903227A (en) |
BR (1) | BR8504550A (en) |
CA (1) | CA1253054A (en) |
DE (1) | DE3532451A1 (en) |
DK (1) | DK413185A (en) |
ES (1) | ES8609491A1 (en) |
FR (1) | FR2570084A1 (en) |
GB (1) | GB2164358B (en) |
IT (1) | IT1176705B (en) |
NL (1) | NL8502505A (en) |
NO (1) | NO853543L (en) |
NZ (1) | NZ213327A (en) |
PT (1) | PT81120B (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE450151B (en) * | 1985-11-21 | 1987-06-09 | Ffv Transmission Ab | DEVICE WITH CONTROLLED FRICTION AND PROCEDURE TO RECEIVE CONTROL FRICTION BY SUCH A DEVICE |
US4708752A (en) * | 1986-03-24 | 1987-11-24 | Smith International, Inc. | Process for laser hardening drilling bit cones having hard cutter inserts placed therein |
CA2038378C (en) * | 1991-03-25 | 1998-08-18 | Irvin Joseph Laporte (Bud) | Stabilized drill tube |
GB2257163B (en) * | 1991-07-02 | 1995-04-05 | Res & Dev Min Def Gov In | A process for improving fatigue crack growth resistance |
DE69938712D1 (en) | 1998-01-05 | 2008-06-26 | Weatherford U S | DRILLING RODS AND METHOD FOR PROVIDING AND RESTORING DRILLING RINGS |
WO2005001234A1 (en) * | 2003-06-30 | 2005-01-06 | Todd Andrew Haines | Sub-assembly for drill strings |
DE102007044696A1 (en) * | 2007-06-29 | 2009-01-08 | Ks Kolbenschmidt Gmbh | Melt-treated bowl rim of a piston combustion bowl |
JP4790767B2 (en) * | 2008-07-16 | 2011-10-12 | 川崎重工業株式会社 | Swash plate type hydraulic rotating machine |
SE535814C2 (en) | 2011-05-20 | 2013-01-02 | Atlas Copco Secoroc Ab | Threading device, threaded joint and drill string component for striking rock drilling |
FR3015546B1 (en) | 2013-12-20 | 2015-12-25 | Vallourec Drilling Products France | DRILL LINING ELEMENT HAVING AN IMPROVED REFILL LAYER |
CN106761460A (en) * | 2017-03-15 | 2017-05-31 | 吉林大学 | Graphene shaped wear-resistant belt of drill pipe joint prepared by a kind of laser melting coating |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1496377A (en) * | 1974-11-26 | 1977-12-30 | Nippon Steel Corp | Method of heat-treatment of welded pipe and apparatus therefor |
GB1540683A (en) * | 1976-09-28 | 1979-02-14 | Torrington Co | Textile element and method of making same |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE920135C (en) * | 1951-06-22 | 1954-11-15 | Rheinische Roehrenwerke Ag | Process for the production of wear-resistant linkage pipe connectors and sleeves for oil field pipes |
US3489620A (en) * | 1967-03-01 | 1970-01-13 | United States Steel Corp | Method of processing sucker rods and resulting article |
DE1783058A1 (en) * | 1968-09-26 | 1971-02-18 | Gerd Hoeptner | Process for hardening cutting and chipping tools with higher cutting edge hardness |
DE3343783C1 (en) * | 1983-12-03 | 1984-07-05 | M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8900 Augsburg | Process for the production of wear-resistant cylinder running surfaces of internal combustion engines |
-
1984
- 1984-09-13 IT IT22647/84A patent/IT1176705B/en active
-
1985
- 1985-08-30 AU AU46906/85A patent/AU576383B2/en not_active Ceased
- 1985-09-02 NZ NZ213327A patent/NZ213327A/en unknown
- 1985-09-02 GB GB08521740A patent/GB2164358B/en not_active Expired
- 1985-09-10 CA CA000490381A patent/CA1253054A/en not_active Expired
- 1985-09-11 DK DK413185A patent/DK413185A/en not_active Application Discontinuation
- 1985-09-11 NO NO853543A patent/NO853543L/en unknown
- 1985-09-11 FR FR8513461A patent/FR2570084A1/en not_active Withdrawn
- 1985-09-11 DE DE19853532451 patent/DE3532451A1/en active Granted
- 1985-09-12 JP JP60200689A patent/JPS6179725A/en active Pending
- 1985-09-12 PT PT81120A patent/PT81120B/en not_active IP Right Cessation
- 1985-09-12 NL NL8502505A patent/NL8502505A/en not_active Application Discontinuation
- 1985-09-12 BE BE0/215578A patent/BE903227A/en not_active IP Right Cessation
- 1985-09-13 ES ES547703A patent/ES8609491A1/en not_active Expired
- 1985-09-13 BR BR8504550A patent/BR8504550A/en unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1496377A (en) * | 1974-11-26 | 1977-12-30 | Nippon Steel Corp | Method of heat-treatment of welded pipe and apparatus therefor |
GB1540683A (en) * | 1976-09-28 | 1979-02-14 | Torrington Co | Textile element and method of making same |
Also Published As
Publication number | Publication date |
---|---|
ES8609491A1 (en) | 1986-09-01 |
AU4690685A (en) | 1986-03-20 |
DE3532451C2 (en) | 1987-10-22 |
BE903227A (en) | 1986-03-12 |
NO853543L (en) | 1986-03-14 |
DE3532451A1 (en) | 1986-03-20 |
DK413185D0 (en) | 1985-09-11 |
NZ213327A (en) | 1987-05-29 |
PT81120A (en) | 1985-10-01 |
GB8521740D0 (en) | 1985-10-09 |
JPS6179725A (en) | 1986-04-23 |
IT1176705B (en) | 1987-08-18 |
ES547703A0 (en) | 1986-09-01 |
BR8504550A (en) | 1986-07-15 |
PT81120B (en) | 1992-05-29 |
GB2164358A (en) | 1986-03-19 |
FR2570084A1 (en) | 1986-03-14 |
DK413185A (en) | 1986-03-14 |
IT8422647A0 (en) | 1984-09-13 |
NL8502505A (en) | 1986-04-01 |
CA1253054A (en) | 1989-04-25 |
GB2164358B (en) | 1988-08-03 |
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