BR8504032A - Processo para a fabricacao de produtos de aco laminado,especialmente de acos de protensao aparafusaveis ou similares - Google Patents

Processo para a fabricacao de produtos de aco laminado,especialmente de acos de protensao aparafusaveis ou similares

Info

Publication number
BR8504032A
BR8504032A BR8504032A BR8504032A BR8504032A BR 8504032 A BR8504032 A BR 8504032A BR 8504032 A BR8504032 A BR 8504032A BR 8504032 A BR8504032 A BR 8504032A BR 8504032 A BR8504032 A BR 8504032A
Authority
BR
Brazil
Prior art keywords
steel
content
martensite
screwable
steels
Prior art date
Application number
BR8504032A
Other languages
English (en)
Inventor
Max Aicher
Hans-Wilhelm Klein
Dieter Dr Russwurm
Dieter Dr Jugwirth
Original Assignee
Dyckerhoff & Widmann Ag
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6243708&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR8504032(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dyckerhoff & Widmann Ag filed Critical Dyckerhoff & Widmann Ag
Publication of BR8504032A publication Critical patent/BR8504032A/pt

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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
    • C21D8/08—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires for concrete reinforcement
    • 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
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S148/00—Metal treatment
    • Y10S148/902—Metal treatment having portions of differing metallurgical properties or characteristics
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S148/00—Metal treatment
    • Y10S148/902—Metal treatment having portions of differing metallurgical properties or characteristics
    • Y10S148/907—Threaded or headed fastener

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Heat Treatment Of Articles (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Laminated Bodies (AREA)
  • Metal Rolling (AREA)
  • Coating With Molten Metal (AREA)
BR8504032A 1984-08-23 1985-08-22 Processo para a fabricacao de produtos de aco laminado,especialmente de acos de protensao aparafusaveis ou similares BR8504032A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3431008A DE3431008C2 (de) 1984-08-23 1984-08-23 Wärmebehandlung von warmgewalzten Stäben oder Drähten

Publications (1)

Publication Number Publication Date
BR8504032A true BR8504032A (pt) 1986-06-10

Family

ID=6243708

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8504032A BR8504032A (pt) 1984-08-23 1985-08-22 Processo para a fabricacao de produtos de aco laminado,especialmente de acos de protensao aparafusaveis ou similares

Country Status (10)

Country Link
US (1) US4877463A (pt)
EP (1) EP0172544B2 (pt)
JP (1) JPH0660350B2 (pt)
AT (1) ATE49779T1 (pt)
AU (1) AU565805B2 (pt)
BR (1) BR8504032A (pt)
CA (1) CA1268957A (pt)
DE (2) DE3431008C2 (pt)
ES (1) ES8609490A1 (pt)
ZA (1) ZA856448B (pt)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3431008C2 (de) 1984-08-23 1986-10-16 Dyckerhoff & Widmann AG, 8000 München Wärmebehandlung von warmgewalzten Stäben oder Drähten
DE3631928C2 (de) * 1986-09-19 1994-06-09 Aicher Max Verfahren zur Herstellung von Walzstahlerzeugnissen
DE3730490A1 (de) * 1987-09-11 1989-03-23 Dyckerhoff & Widmann Ag Warmgewalzter betonbewehrungsstab, insbesondere betonrippenstab
DE8717650U1 (de) * 1987-09-11 1989-08-31 ARBED S.A., Luxemburg/Luxembourg Betonbewehrungsstab, insbesondere Betonrippenstab
DE4224222A1 (de) * 1992-07-22 1994-01-27 Inst Stahlbeton Bewehrung Ev Baustahl, insbesondere Betonstahl und Verfahren zu seiner Herstellung
GB9310854D0 (en) * 1993-05-26 1993-07-14 Asw Ltd Steel bars and rods and manufacturing process
DE29709213U1 (de) * 1997-05-26 1998-09-24 MiTek Industries GmbH, 63128 Dietzenbach Spann- oder Befestigungsschraube, insbesondere Rohrschraube
US6109851A (en) * 1999-01-13 2000-08-29 Illinois Tool Works Inc. Screws having selected heat treatment and hardening
CA2292166A1 (en) 1999-01-13 2000-07-13 Kent B. Godsted Chemically coated fasteners having improved penetration and withdrawal resistance
US6086305A (en) * 1999-01-13 2000-07-11 Illinois Tool Works Inc. Nails having selected heat treatment and hardening
DE19921286A1 (de) * 1999-05-07 2000-11-09 Sms Demag Ag Wärmebehandlungsverfahren zur Herstellung randschichtgehärteter Lang- nd Flachprodukte aus unlegierten oder niedriglegierten Stählen
ITMI20031031A1 (it) * 2003-05-22 2004-11-23 Danieli Off Mecc Metodo di rocchettatura di materiale metallico in barra.
US7624556B2 (en) 2003-11-25 2009-12-01 Bbv Vorspanntechnik Gmbh Threaded deformed reinforcing bar and method for making the bar
US8997420B2 (en) * 2004-11-29 2015-04-07 Victor Amend Reinforced insulated forms for constructing concrete walls and floors
CN1327008C (zh) * 2005-07-07 2007-07-18 东北大学 高强度带肋钢筋轧后超快速冷却生产工艺
DE202010006059U1 (de) * 2010-04-23 2010-07-22 Stahlwerk Annahütte Max Aicher GmbH & Co KG Gewindestab
AU2013205904B2 (en) * 2012-05-17 2017-12-07 Woodstock Percussion Pty Ltd Full Strength Threaded Bar
CH707301B1 (de) * 2013-04-08 2014-06-13 Empa Verfahren zum Erstellen von vorgespannten Betonbauwerken mittels Profilen aus einer Formgedächtnis-Legierung sowie Bauwerk, hergestellt nach dem Verfahren.
CZ307645B6 (cs) * 2017-02-15 2019-01-30 Západočeská Univerzita V Plzni Způsob výroby součástí z ocelí

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE137729C (pt) *
CH364886A (de) * 1958-08-13 1962-10-15 Dyckerhoff & Widmann Ag Bewehrungsstab für Spannbeton
FR2004184A1 (pt) * 1968-03-18 1969-11-21 United States Steel Corp
DE2163163B2 (de) * 1971-12-20 1972-11-30 Fried. Krupp Hüttenwerke AG, 4630 Bochum Verwendung eines werkstoffes zur herstellung von stahldraht hoher festigkeit
BE790867A (fr) * 1972-10-31 1973-02-15 Centre Rech Metallurgique Procede pour ameliorer la qualite de produits lamines, tels quedes ronds ou des barres a beton, du fil machine, etc....
DE2353034B2 (de) * 1972-10-31 1980-03-13 Centre De Recherches Metallurgiques- Centrum Voor Research In De Metallurgie, Bruessel Verfahren zur Verbesserung der mechanischen Festigkeitswerte von Walzprodukten aus Stahl
FR2238768A1 (en) * 1973-07-23 1975-02-21 Sgtm Thermo-mechanical treatment of austenitic steel - followed by controlled quenching giving mech props similar to expensive alloys
US4180418A (en) * 1973-09-11 1979-12-25 Stahlwerke Peine-Salzgitter A.G. Method of making a steel wire adapted for cold drawing
DD106661A1 (pt) * 1973-09-24 1974-06-20
IT1090143B (it) * 1975-01-29 1985-06-18 Centre Rech Metallurgique Procedimento per fabbricare dei prodotti laminati di acciaio
NL7610472A (nl) * 1975-09-30 1977-04-01 Arbed Werkwijze voor de behandeling van gewalst staal.
IT1107284B (it) * 1977-05-13 1985-11-25 Centre Rech Metallurgique Procedimento per la produzione di profilati di acciaio di qualita migliorata
GB1587215A (en) * 1977-11-03 1981-04-01 British Steel Corp Manufacture of welded steel mesh
ES470858A1 (es) 1977-06-20 1979-10-01 British Steel Corp Ÿun procedimiento para producir redondo o varilla de acero laminado en calienteŸ
GB1576944A (en) 1977-06-20 1980-10-15 British Steel Corp Production of steeel rod or bar
DE2844331A1 (de) * 1977-10-14 1979-04-19 Centre Rech Metallurgique Verfahren zur behandlung rohrfoermiger stahlprofile
DE2900271C2 (de) 1979-01-05 1984-01-26 Stahlwerke Peine-Salzgitter Ag, 3150 Peine Schweißbarer Betonstahl und Verfahren zu seiner Herstellung
BE874535A (fr) * 1979-02-28 1979-06-18 Centre Rech Metallurgique Procede pour fabriquer des produits lamines en acier a haute limite elastique
DE2916218A1 (de) * 1979-04-21 1980-10-23 Florin Stahl Walzwerk Verfahren zur herstellung von walzstahlerzeugnissen mit mehrschichtigem gefuegeaufbau
DE3131078C1 (de) * 1981-08-06 1982-10-28 Dyckerhoff & Widmann AG, 8000 München "Verankerungs- oder Verbindungskörper für Stahlstäbe mit Oberflächenprofilierungen in Form von Rippen"
DE3431008C2 (de) 1984-08-23 1986-10-16 Dyckerhoff & Widmann AG, 8000 München Wärmebehandlung von warmgewalzten Stäben oder Drähten

Also Published As

Publication number Publication date
DE3431008C2 (de) 1986-10-16
ATE49779T1 (de) 1990-02-15
EP0172544A3 (en) 1987-10-28
ES546332A0 (es) 1986-07-16
AU4658285A (en) 1986-02-27
DE3431008A1 (de) 1986-03-06
JPH0660350B2 (ja) 1994-08-10
CA1268957A (en) 1990-05-15
AU565805B2 (en) 1987-10-01
ZA856448B (en) 1986-04-30
EP0172544B1 (de) 1990-01-24
EP0172544B2 (de) 1996-06-05
JPS6160824A (ja) 1986-03-28
DE3575577D1 (de) 1990-03-01
US4877463A (en) 1989-10-31
EP0172544A2 (de) 1986-02-26
ES8609490A1 (es) 1986-07-16

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Legal Events

Date Code Title Description
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 23/08/2000