DE60043083D1 - Schrauben mit ausgewählter Wärmebehandlung und Härtung - Google Patents

Schrauben mit ausgewählter Wärmebehandlung und Härtung

Info

Publication number
DE60043083D1
DE60043083D1 DE60043083T DE60043083T DE60043083D1 DE 60043083 D1 DE60043083 D1 DE 60043083D1 DE 60043083 T DE60043083 T DE 60043083T DE 60043083 T DE60043083 T DE 60043083T DE 60043083 D1 DE60043083 D1 DE 60043083D1
Authority
DE
Germany
Prior art keywords
selectively
heat treatment
hardening
screws
selected heat
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 - Lifetime
Application number
DE60043083T
Other languages
English (en)
Inventor
Mark D Bauer
William A Spring
Michael Starozhitsky
Riaz S Ulhasan
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.)
Illinois Tool Works Inc
Original Assignee
Illinois Tool Works Inc
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 Illinois Tool Works Inc filed Critical Illinois Tool Works Inc
Application granted granted Critical
Publication of DE60043083D1 publication Critical patent/DE60043083D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B19/00Bolts without screw-thread; Pins, including deformable elements; Rivets
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0093Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for screws; for bolts
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/008Martensite
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D2221/00Treating localised areas of an article
    • C21D2221/01End parts (e.g. leading, trailing end)

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat Treatment Of Articles (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
DE60043083T 1999-01-13 2000-01-13 Schrauben mit ausgewählter Wärmebehandlung und Härtung Expired - Lifetime DE60043083D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/229,435 US6109851A (en) 1999-01-13 1999-01-13 Screws having selected heat treatment and hardening

Publications (1)

Publication Number Publication Date
DE60043083D1 true DE60043083D1 (de) 2009-11-19

Family

ID=22861242

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60043083T Expired - Lifetime DE60043083D1 (de) 1999-01-13 2000-01-13 Schrauben mit ausgewählter Wärmebehandlung und Härtung

Country Status (12)

Country Link
US (2) US6109851A (de)
EP (1) EP1020536B1 (de)
JP (1) JP4741051B2 (de)
KR (1) KR20000052615A (de)
CN (2) CN1303228C (de)
AT (1) ATE445025T1 (de)
AU (1) AU729105B2 (de)
CA (1) CA2291577C (de)
DE (1) DE60043083D1 (de)
DK (1) DK1020536T3 (de)
NZ (1) NZ502265A (de)
TW (1) TW440657B (de)

Families Citing this family (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19840298A1 (de) * 1998-09-04 2000-03-16 Ejot Verbindungstech Gmbh & Co Selbstgewindeformende Schraube aus Leichtmetall und Verfahren zu ihrer Herstellung
US6109851A (en) * 1999-01-13 2000-08-29 Illinois Tool Works Inc. Screws having selected heat treatment and hardening
US6386810B1 (en) * 1999-05-21 2002-05-14 Hiroshi Onoe High strength screw
US6332741B1 (en) * 2000-09-19 2001-12-25 Textron, Inc. Masonry anchor device
DE10158197A1 (de) * 2001-11-28 2003-06-12 Ejot Verbindungstech Gmbh & Co Aus einem niedrig legierten Kohlenstoffstahl bestehendes Befestigungselement und Verfahren zu seiner Herstellung
DE10205031B4 (de) * 2002-02-07 2004-01-08 Hilti Ag Verfahren zum Herstellen eines, mittels eines Setzgerätes eintreibbaren Befestigungselementes sowie ein Setzgerät hierfür und ein Befestigungselement
DE20208439U1 (de) * 2002-05-31 2003-10-09 Voith Paper Patent Gmbh Schraubelement sowie Verbindungsteile zum Drehen des Schraubelementes
JP4188010B2 (ja) * 2002-07-04 2008-11-26 有限会社新城製作所 耐熱ドリルねじ
FR2841947B1 (fr) * 2002-07-05 2005-04-29 Valmex Vis en acier a tete creuse
US6908126B2 (en) * 2002-10-15 2005-06-21 Sargent Manufacturing Company Enhanced security catch assembly for retaining a handle on a spindle
JP4284405B2 (ja) * 2002-10-17 2009-06-24 独立行政法人物質・材料研究機構 タッピングネジとその製造方法
DE10315957A1 (de) * 2003-04-08 2004-10-28 Ejot Gmbh & Co. Kg Schraube mit einer partiell gehärteten Funktionsspitze und Verfahren zu ihrer Herstellung
US20050092403A1 (en) * 2003-10-29 2005-05-05 Lloyd David J. Functionally graded aluminum alloy sheet
US20100239386A1 (en) * 2004-10-08 2010-09-23 Innozinc, Inc. Supporting device
US9493936B2 (en) 2004-10-08 2016-11-15 Sdb Ip Holdings, Llc System, method, and apparatus for monitoring wear in a flush valve using pressure detection
US7735513B2 (en) 2004-10-08 2010-06-15 I-Con Systems, Inc. Diaphragm valve with electronic pressure detection
CA2484381C (en) * 2004-10-08 2013-03-19 Anne Marie Sedgwick Supporting device
US7607448B2 (en) * 2004-10-08 2009-10-27 I-Con Systems, Inc. Method for modifying a plastic body valve for use in a waste water system
CN100463827C (zh) * 2004-12-04 2009-02-25 浙江福林国润汽车零部件有限公司 汽车电动助力转向系统及其转动轴的处理方法
DE102006012089B4 (de) * 2006-02-10 2010-06-10 Yildirim Karamahmut Brennerdüse, System, Ofenanlage und Anlage
US20070201966A1 (en) * 2006-02-24 2007-08-30 M & W Fastener Co., Ltd. Flat head screw
JP2008064310A (ja) * 2006-08-11 2008-03-21 Nsk Ltd 車両用軸受装置
US20080163728A1 (en) * 2007-01-05 2008-07-10 Snap-On Incorporated Dual hardness connector
US20080197640A1 (en) * 2007-02-19 2008-08-21 Ronald C Clarke Method and apparatus for driving a bolt
US9943934B2 (en) 2008-10-08 2018-04-17 Snap-On Incorporated Method and tool product of differential heat treatment process
US9004835B2 (en) 2010-02-19 2015-04-14 Nucor Corporation Weldless building structures
US8529178B2 (en) 2010-02-19 2013-09-10 Nucor Corporation Weldless building structures
DE102010063677A1 (de) * 2010-12-21 2012-06-21 Hilti Aktiengesellschaft Verfahren zur Herstellung eines Schraubankers und Schraubanker
DE102011087683A1 (de) * 2011-12-04 2013-06-06 Baier & Michels Gmbh & Co. Kg Korrosionsbeständige Schraube, Verwendung einer derartigen Schraube in einer korrosiven Umgebung und Verfahren zur Herstellung einer solchen Schraube
DE102012102019B3 (de) * 2012-03-09 2013-07-04 Sfs Intec Holding Ag Bolzenartiges Befestigungselement, insbesondere Bohrschraube, und damit hergestellte Verbindung
TW201344068A (zh) * 2012-04-24 2013-11-01 Shehkai Prec Co Ltd 鑽尾螺絲的製造方法
CN104100622B (zh) * 2013-04-08 2017-02-15 彭亮生 一种超大规格高强度铆钉连接副及其制造方法
CN103644208A (zh) * 2013-11-18 2014-03-19 苏州蓝王机床工具科技有限公司 一种齿轮与驱动轴的连接机构
CN104690519B (zh) * 2013-12-10 2018-03-13 全球传动科技股份有限公司 螺杆的制造方法
TWI552815B (zh) * 2013-12-24 2016-10-11 Screw thread forming method
CN104141657A (zh) * 2014-07-12 2014-11-12 汤荣民 一种汽车卡槽型连接件及其热处理工艺
CN104962701B (zh) * 2015-07-29 2017-03-08 山东伊莱特重工股份有限公司 一种油压机冲头无氧化脱碳局部强化热处理工艺
US10047561B1 (en) * 2015-09-08 2018-08-14 Philip F. Lanzafame Adjustable ladder extension
FR3043348B1 (fr) * 2015-11-09 2018-03-02 Airbus Operations Bague d'expansion comprenant au moins deux portions cylindriques avec des proprietes mecaniques differentes, procede de fabrication d'une telle bague d'expansion et procede d'expansion a froid utilisant ladite bague d'expansion
US10378676B2 (en) 2015-12-15 2019-08-13 Sdb Ip Holdings, Llc System, method, and apparatus for optimizing a timing of a flush valve
CN105909647A (zh) * 2016-03-10 2016-08-31 天津市福厚盈科技有限公司 一种使用美观型螺丝钉的制备方法
US10385415B2 (en) 2016-04-28 2019-08-20 GM Global Technology Operations LLC Zinc-coated hot formed high strength steel part with through-thickness gradient microstructure
US10619223B2 (en) 2016-04-28 2020-04-14 GM Global Technology Operations LLC Zinc-coated hot formed steel component with tailored property
CA3211072A1 (en) 2016-05-02 2017-11-02 Asia Fastening (Us), Inc. Double threaded standoff fastener
CN105821195B (zh) * 2016-06-03 2017-12-08 昆山土山建设部件有限公司 支重轮轮体的分段加热冷却淬火工艺
ES2786191T3 (es) * 2016-07-29 2020-10-09 Kamax Holding Gmbh & Co Kg Tornillo de alta resistencia con una capa de recocido
DE102017101931B4 (de) * 2017-02-01 2022-05-05 Kamax Holding Gmbh & Co. Kg Hochfeste Schraube mit einem enthärteten Gewindeende
US11028457B2 (en) 2017-07-17 2021-06-08 Caterpillar Inc. Method of heat treating a fastening member
CN108526826A (zh) * 2018-04-28 2018-09-14 鹏驰五金制品有限公司 一种高强度螺栓的加工工艺
US11613789B2 (en) 2018-05-24 2023-03-28 GM Global Technology Operations LLC Method for improving both strength and ductility of a press-hardening steel
CN112534078A (zh) 2018-06-19 2021-03-19 通用汽车环球科技运作有限责任公司 具有增强的机械性质的低密度压制硬化钢
US11530469B2 (en) 2019-07-02 2022-12-20 GM Global Technology Operations LLC Press hardened steel with surface layered homogenous oxide after hot forming
CN110453051B (zh) * 2019-09-16 2021-07-02 威德车业部件有限公司 一种螺栓紧固件自动淬火设备
DE102020102982A1 (de) * 2020-02-05 2021-08-05 Böllhoff Verbindungstechnik GmbH Fügeelement, Verbindungsstruktur mit dem Fügeelement, Herstellungsverfahren des Fügeelements und entsprechendes Verbindungsverfahren
DE102020107194A1 (de) * 2020-03-16 2021-09-16 Ejot Gmbh & Co. Kg Verfahren zur Herstellung einer Schraube und Schraube

Family Cites Families (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1462775A (en) 1920-11-02 1923-07-24 Trivelloni Angelo Process for the manufacture of nails formed in two parts
US1767653A (en) 1925-11-18 1930-06-24 Scovill Manufacturing Co Metal article
US2086801A (en) * 1927-08-15 1937-07-13 Howard A Hayden Process of making tappet screws
GB502152A (en) * 1936-09-10 1939-03-10 Werner Theodor Schaurte Process of and apparatus for effecting local hardening of mass-production articles
DE684060C (de) * 1936-09-11 1939-11-21 Bauer & Schaurte Vorrichtung zum teilweisen Haerten von Massenerzeugnissen
US2229565A (en) * 1938-09-17 1941-01-21 Standard Pressed Steel Co Socketed metallic article
US2224659A (en) * 1940-04-12 1940-12-10 Clare L Brackett Method of making self-locking screw threaded elements
US2590585A (en) 1951-02-01 1952-03-25 Temple Velocity Equipment Inc Explosively actuated bonding tool
US3090712A (en) * 1960-02-02 1963-05-21 Ernest V Berry Method of prestressing a crankshaft and crankshaft formed as a result thereof
US3301120A (en) * 1964-11-27 1967-01-31 Caterpillar Tractor Co Tempered threaded members and method of making
US3344817A (en) * 1965-05-28 1967-10-03 Illinois Tool Works Method of selectively hardening a corrosion resistant part and the article produced thereby
US3376780A (en) * 1966-09-19 1968-04-09 Armco Steel Corp Stainless steel, products and method
US3769103A (en) * 1971-03-25 1973-10-30 Res Eng & Mfg Method of heat treating articles
US3765660A (en) * 1972-05-15 1973-10-16 Inland Steel Co Beam quenching apparatus and method
US3983304A (en) * 1973-09-19 1976-09-28 Hi-Shear Corporation Fastener with protective metal-organic base coating
US4021274A (en) * 1975-03-26 1977-05-03 Russell, Birdsall & Ward, Inc. Method for heat treating by induced current
US4233880A (en) * 1978-07-20 1980-11-18 Illinois Tool Works Inc. Stainless steel drill screw
US4295351A (en) * 1979-01-08 1981-10-20 Illinois Tool Works Inc. Self-tapping stainless steel screw and method for producing same
US4289006A (en) * 1979-01-08 1981-09-15 Illinois Tool Works Inc. Apparatus for producing threaded self-tapping stainless steel screws
US4583898A (en) * 1979-11-26 1986-04-22 Illinois Tool Works Inc. Drill screw and cutters for making same
US4385081A (en) * 1981-04-27 1983-05-24 International Standard Electric Corporation Process of coating an electric component with a setting artificial resin
US4486248A (en) * 1982-08-05 1984-12-04 The Algoma Steel Corporation Limited Method for the production of improved railway rails by accelerated cooling in line with the production rolling mill
GB8402191D0 (en) * 1984-01-27 1984-02-29 Ici Plc Coating process
DE3431008C2 (de) * 1984-08-23 1986-10-16 Dyckerhoff & Widmann AG, 8000 München Wärmebehandlung von warmgewalzten Stäben oder Drähten
SE452472B (sv) * 1984-11-26 1987-11-30 Lacani Ab Forfarande for behandling av spik for att oka dess utdragshallfasthet
JPS61130456A (ja) * 1984-11-29 1986-06-18 Honda Motor Co Ltd 高強度ボルト及びその製造方法
US4702880A (en) * 1986-07-07 1987-10-27 O'donnell & Associates, Inc. Process for improving resistance of split pins to stress corrosion cracking
US4835819A (en) * 1986-09-15 1989-06-06 Nylok Fastener Corporation Coated fasteners and process for making the same
US4730970A (en) * 1986-11-12 1988-03-15 Whyco Chromium Company Selectively hardened self drilling fasteners
US4842890A (en) * 1987-07-07 1989-06-27 Nylok Fastener Corporation Method for coating fasteners
JPS6487717A (en) * 1987-09-30 1989-03-31 Nippon Steel Corp Production of high tensile bolt
US4842655A (en) * 1988-02-16 1989-06-27 O'donnell & Associates, Inc. Process for improving resistance of metal bodies to stress corrosion cracking
US5178903A (en) * 1989-09-29 1993-01-12 Illinois Tool Works Inc. Coated metal fastener and method for making same
US5078083A (en) * 1989-10-17 1992-01-07 Nylok Fastener Corporation Method and apparatus for coating fasteners
US5033181A (en) * 1990-06-08 1991-07-23 Illinois Tool Works Inc. Method for manufacturing nails
US5302068A (en) * 1990-10-03 1994-04-12 Illinois Tool Works Inc. Fastener having recessed, non-circular head, and fastener-driving tool
US5120175A (en) * 1991-07-15 1992-06-09 Arbegast William J Shape memory alloy fastener
DE69107067T2 (de) * 1991-07-18 1995-06-01 Daido Oxygen Schraube aus hartem rostfreiem austenitischem Stahl.
US5391624A (en) * 1992-02-10 1995-02-21 S. C. Johnson & Son, Inc. Thermosettable compositions
GB2265911B (en) * 1992-04-02 1995-04-05 Inlex Locking Ltd Method of heat treating a zone of each of a plurality of articles
US5283280A (en) * 1992-11-05 1994-02-01 Tech One, Inc. Composition and method for coating an object of interest
JP3340225B2 (ja) * 1993-01-12 2002-11-05 新日本製鐵株式会社 耐銹性に優れた高強度マルテンサイト系ステンレス鋼およびドリリングタッピンねじ
EP0627474B1 (de) * 1993-05-13 2000-10-25 American Cyanamid Company Wässrige Siloxan-Beschichtungs-Zusammensetzung
US5484244A (en) * 1994-02-07 1996-01-16 Mse, Inc. Self-locking threaded fasteners
CA2147939C (en) * 1994-04-28 1999-07-06 Elliott Y. Spearin In-line application of solid lubricant to steel strip
US5614262A (en) * 1994-05-02 1997-03-25 Sundstrand Corporation Method of sealing resin to an alloy casting
DE4441124C2 (de) * 1994-11-18 1997-03-27 Heraeus Kulzer Gmbh Verfahren zur Erzeugung eines haftfesten, feuchtigkeitsdichten Überzugs aus Kunststoff auf einer Unterlage und dessen Verwendung
US5564876A (en) * 1995-02-15 1996-10-15 Illinois Tool Works Inc. Corrosion-resistant, headed fastener, such as nail for exterior applications, and manufacturing method
DE19542949A1 (de) 1995-11-17 1997-07-17 Hilti Ag Bolzen zum Eintreiben in harte Aufnahmewerkstoffe
US5605423A (en) * 1996-04-26 1997-02-25 Elco Textron, In. Self-drilling stud
JP3776507B2 (ja) * 1996-05-23 2006-05-17 神鋼ボルト株式会社 高強度ステンレスボルトの製造方法
JPH1036945A (ja) * 1996-07-19 1998-02-10 Nippon Steel Corp ねじ込み性に優れた高耐銹性マルテンサイト系ステンレス製ドリリングタッピンねじ及びその焼入方法
US5755542A (en) * 1996-08-06 1998-05-26 Elco Textron, Inc. Self-drilling/self-tapping fastener
JPH1053813A (ja) * 1996-08-09 1998-02-24 O & K:Kk 非調質高張力ボルトの製造方法
US6109851A (en) * 1999-01-13 2000-08-29 Illinois Tool Works Inc. Screws having selected heat treatment and hardening

Also Published As

Publication number Publication date
US6364972B1 (en) 2002-04-02
EP1020536A1 (de) 2000-07-19
ATE445025T1 (de) 2009-10-15
US6109851A (en) 2000-08-29
CA2291577A1 (en) 2000-07-13
TW440657B (en) 2001-06-16
JP4741051B2 (ja) 2011-08-03
AU729105B2 (en) 2001-01-25
DK1020536T3 (da) 2010-02-15
CN1260450A (zh) 2000-07-19
CN1116528C (zh) 2003-07-30
CN1442620A (zh) 2003-09-17
NZ502265A (en) 2001-04-27
CA2291577C (en) 2004-04-27
KR20000052615A (ko) 2000-08-25
JP2000230527A (ja) 2000-08-22
EP1020536B1 (de) 2009-10-07
CN1303228C (zh) 2007-03-07
AU1003100A (en) 2000-07-20

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