ZA887697B - Hot-rolled steel bar with helically extending ribs,method of and apparatus for producing the steel bar - Google Patents

Hot-rolled steel bar with helically extending ribs,method of and apparatus for producing the steel bar

Info

Publication number
ZA887697B
ZA887697B ZA887697A ZA887697A ZA887697B ZA 887697 B ZA887697 B ZA 887697B ZA 887697 A ZA887697 A ZA 887697A ZA 887697 A ZA887697 A ZA 887697A ZA 887697 B ZA887697 B ZA 887697B
Authority
ZA
South Africa
Prior art keywords
steel bar
hot
producing
extending ribs
helically extending
Prior art date
Application number
ZA887697A
Other languages
English (en)
Inventor
Erich Richartz
Richartz Erich
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
Application filed by Dyckerhoff & Widmann Ag filed Critical Dyckerhoff & Widmann Ag
Publication of ZA887697B publication Critical patent/ZA887697B/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/16—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire rods, bars, merchant bars, rounds wire or material of like small cross-section
    • B21B1/163—Rolling or cold-forming of concrete reinforcement bars or wire ; Rolls therefor
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
    • E04C5/02—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance, i.e. of essentially one-dimensional [1D] or two-dimensional [2D] extent
    • E04C5/03—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance, i.e. of essentially one-dimensional [1D] or two-dimensional [2D] extent with indentations, projections, ribs, or the like, for augmenting the adherence to the concrete
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2275/00—Mill drive parameters
    • B21B2275/02—Speed
    • B21B2275/04—Roll speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B35/00—Drives for metal-rolling mills, e.g. hydraulic drives
    • B21B35/02—Drives for metal-rolling mills, e.g. hydraulic drives for continuously-operating mills

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
  • Reinforcement Elements For Buildings (AREA)
ZA887697A 1987-10-31 1988-10-14 Hot-rolled steel bar with helically extending ribs,method of and apparatus for producing the steel bar ZA887697B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873736942 DE3736942A1 (de) 1987-10-31 1987-10-31 Verfahren zum herstellen eines stahlstabes mit warmgewalzten, schraubenlinienfoermig verlaufenden rippen und vorrichtung zum durchfuehren des verfahrens

Publications (1)

Publication Number Publication Date
ZA887697B true ZA887697B (en) 1989-06-28

Family

ID=6339490

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA887697A ZA887697B (en) 1987-10-31 1988-10-14 Hot-rolled steel bar with helically extending ribs,method of and apparatus for producing the steel bar

Country Status (7)

Country Link
US (1) US4953379A (de)
EP (1) EP0314935B1 (de)
JP (1) JPH01148433A (de)
BR (1) BR8805594A (de)
DE (2) DE3736942A1 (de)
HU (1) HU204456B (de)
ZA (1) ZA887697B (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6298705B1 (en) * 2000-01-26 2001-10-09 Morgan Construction Company Method and apparatus for rolling concrete reinforcing elements
AUPQ624600A0 (en) * 2000-03-15 2000-04-06 Gray, Evelyn Frances Process for forming a threaded member
US6935997B2 (en) * 2000-09-14 2005-08-30 Rutgers, The State University Of New Jersey Patterning technology for folded sheet structures
EP1219366A3 (de) * 2000-12-27 2003-11-19 Christian Hoffmann Verfahren zum Herstellen eines Profils insbesondere eines Gewindes an Stangen aus Stahl sowie eine Anlage und eine Vorrichtung hierfür
US7624556B2 (en) 2003-11-25 2009-12-01 Bbv Vorspanntechnik Gmbh Threaded deformed reinforcing bar and method for making the bar
US20130209192A1 (en) * 2010-06-24 2013-08-15 Nucor Corporation Tensionable threaded rebar bolt
US9010165B2 (en) 2011-01-18 2015-04-21 Nucor Corporation Threaded rebar manufacturing process and system
CN102179403B (zh) * 2011-03-23 2012-12-05 中冶赛迪工程技术股份有限公司 高强度细晶粒热轧带肋钢筋生产设备及其生产工艺
ITMI20110937A1 (it) * 2011-05-25 2012-11-26 Siemens Vai Metals Tech Srl Gabbia ed impianto di laminazione
JP5925548B2 (ja) * 2011-07-19 2016-05-25 濱中ナット株式会社 ねじ節鉄筋の製造方法
CN102814322B (zh) * 2012-07-18 2015-11-25 重庆亨尔通冶金新技术股份有限公司 一种钢筋加工的粗轧机
CN106269853A (zh) * 2016-08-16 2017-01-04 重庆市晟庄建材有限责任公司 一种高延性冷轧带肋钢筋加工方法
JP6147404B1 (ja) * 2016-10-13 2017-06-14 福田 清子 異形鉄筋のねじ式鉄筋継手およびその製造方法
WO2018070429A1 (ja) 2016-10-13 2018-04-19 章 福田 異形鉄筋のねじ式鉄筋継手構造およびその製造方法
CN108176713A (zh) * 2017-12-08 2018-06-19 山东钢铁股份有限公司 一种热轧花纹h型钢、轧制方法和轧制设备
US10260234B1 (en) * 2017-12-22 2019-04-16 Yu-Liang Kuo Deformed reinforcing bar, truss structure, and floor module structure
US20220098099A1 (en) * 2019-01-10 2022-03-31 The Regents Of The University Of Michigan Striated fiber-based concrete reinforcement
JP6682122B1 (ja) * 2019-08-01 2020-04-15 山田 榮子 連続ねじを持つ棒鋼の製造方法
CN112588820B (zh) * 2020-12-25 2022-10-28 首钢长治钢铁有限公司 一种热轧矿用锚杆钢生产方法
BE1029201B1 (nl) * 2021-03-16 2022-10-17 Dubaere Walsrol, walsmachine en werkwijze voor het koudwalsen van walsdraad tot koud getrokken draad met een profiel
CN113458141B (zh) * 2021-07-15 2022-05-27 首钢长治钢铁有限公司 一种精轧螺纹钢轧制方法
CN114054526A (zh) * 2021-11-10 2022-02-18 陕西鼎益科技有限公司 一种高温合金盘圆丝材的mcr挤压成型装置

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US116218A (en) * 1871-06-20 Improvement in machines for forming spiral grooves on metallic rods
GB132219A (de) * 1900-01-01
US879444A (en) * 1906-07-19 1908-02-18 Edward F Crane Metallic reinforcing structure for cementitious bodies.
US2089311A (en) * 1933-12-18 1937-08-10 Waterbury Farrel Foundry Co Tandem mill
JPS4415538Y1 (de) * 1966-03-14 1969-07-04
JPS4532121Y1 (de) * 1967-06-30 1970-12-09
DE1784630C2 (de) * 1968-08-29 1974-09-19 Dyckerhoff & Widmann Ag, 8000 Muenchen Betonbewehrungsstab, insbesondere Spannstab
DE1938120B2 (de) * 1969-07-26 1973-12-20 Iiseder Huette Walzenpaar zum Herstellen von mit Rippen versehenen Betonbewehrungsstaben
DE2033759C3 (de) * 1970-07-08 1980-08-21 Wilhelm 8602 Schluesselfeld Schwarz Betonbewehrungsstab
US3722249A (en) * 1970-12-03 1973-03-27 Stosha E Zhukevich Device for rolling corrugated tubular parts
AT324268B (de) * 1972-07-28 1975-08-25 Oesterr Alpine Montan Verfahren und vorrichtung zum warmwalzen von stäben mit in reihen periodisch angeordneten erhebungen oder vertiefungen und nach dem verfahren hergestellter stab
DE2437684C2 (de) * 1974-08-05 1982-09-02 SMS Schloemann-Siemag AG, 4000 Düsseldorf Walzwerk zur Herstellung von Draht und Rippenstahl
DE2704819C2 (de) * 1977-02-05 1985-03-21 Dyckerhoff & Widmann AG, 8000 München Betonbewehrungsstab mit schraubenlinienförmig verlaufenden und Teile eines Gewindes bildenden Rippen
JPS5412486A (en) * 1977-06-30 1979-01-30 Showa Electric Wire & Cable Co Apparatus for making cable wire
DE2843245A1 (de) * 1978-10-04 1980-04-10 Walter Hoff Schraubbarer stahlstab, insbesondere fuer das bauwesen
NZ214897A (en) * 1985-01-25 1988-05-30 Titan Mining & Eng Rock bolt with thread formed on helical ridges
JPS62258040A (ja) * 1986-05-02 1987-11-10 住友電気工業株式会社 コンクリ−ト構造物用棒鋼

Also Published As

Publication number Publication date
JPH01148433A (ja) 1989-06-09
HU204456B (en) 1992-01-28
HUT51516A (en) 1990-05-28
US4953379A (en) 1990-09-04
EP0314935A3 (en) 1989-11-15
EP0314935A2 (de) 1989-05-10
BR8805594A (pt) 1989-06-20
EP0314935B1 (de) 1993-03-31
DE3736942A1 (de) 1989-05-11
DE3879869D1 (de) 1993-05-06

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