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SG155801A1 - Method for working a thread on deformed reinforcing bar - Google Patents

Method for working a thread on deformed reinforcing bar

Info

Publication number
SG155801A1
SG155801A1 SG200802314-5A SG2008023145A SG155801A1 SG 155801 A1 SG155801 A1 SG 155801A1 SG 2008023145 A SG2008023145 A SG 2008023145A SG 155801 A1 SG155801 A1 SG 155801A1
Authority
SG
Singapore
Prior art keywords
thread
working
deformed bar
reinforcing bar
deformed reinforcing
Prior art date
Application number
SG200802314-5A
Inventor
Chua Bong Sai
Original Assignee
Chua Bong Sai
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 Chua Bong Sai filed Critical Chua Bong Sai
Priority to SG200802314-5A priority Critical patent/SG155801A1/en
Priority to PCT/SG2008/000424 priority patent/WO2009120153A1/en
Priority to CN2008801091602A priority patent/CN101965236A/en
Priority to KR1020107002114A priority patent/KR20100027242A/en
Publication of SG155801A1 publication Critical patent/SG155801A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
    • B21J5/12—Forming profiles on internal or external surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H3/00—Making helical bodies or bodies having parts of helical shape
    • B21H3/02—Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H1/00—Making articles shaped as bodies of revolution
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/56—Making machine elements screw-threaded elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Forging (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)

Abstract

The present invention discloses a method for working a thread onto a deformed bar for reinforcing concrete.. The method comprises the steps of pressing the deformed bar to a predetermined diameter using a die having thread formations thereon to correspondingly form thread marks on the deformed bar; and rolling the pressed deformed bar to form the final thread.. The method increases the quality and consistency of the final thread.
SG200802314-5A 2008-03-24 2008-03-24 Method for working a thread on deformed reinforcing bar SG155801A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SG200802314-5A SG155801A1 (en) 2008-03-24 2008-03-24 Method for working a thread on deformed reinforcing bar
PCT/SG2008/000424 WO2009120153A1 (en) 2008-03-24 2008-11-06 Method for working a thread on deformed reinforcing bar
CN2008801091602A CN101965236A (en) 2008-03-24 2008-11-06 Method for working a thread on deformed reinforcing bar
KR1020107002114A KR20100027242A (en) 2008-03-24 2008-11-06 Method for working a thread on deformed reinforcing bar

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SG200802314-5A SG155801A1 (en) 2008-03-24 2008-03-24 Method for working a thread on deformed reinforcing bar

Publications (1)

Publication Number Publication Date
SG155801A1 true SG155801A1 (en) 2009-10-29

Family

ID=41114196

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200802314-5A SG155801A1 (en) 2008-03-24 2008-03-24 Method for working a thread on deformed reinforcing bar

Country Status (4)

Country Link
KR (1) KR20100027242A (en)
CN (1) CN101965236A (en)
SG (1) SG155801A1 (en)
WO (1) WO2009120153A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101007545B1 (en) 2009-12-11 2011-01-14 광신철강산업(주) Method and apparatus for forming threaded portion in reinforcing bar
CN103273645B (en) * 2013-05-31 2015-10-07 宁波汽车软轴软管有限公司 Flexible pipe embossing cutting machine
CN109465366A (en) * 2018-12-05 2019-03-15 中山市固耐特金属制品有限公司 Accurate thread rolling process for screw rod
CN112454489B (en) * 2020-11-03 2021-11-30 山东大学 Hose cutting device
CN114713653A (en) * 2022-03-24 2022-07-08 上海工程技术大学 Machining method and forming die assembly for long rod part with threaded teeth for vehicle

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5592241A (en) * 1978-12-29 1980-07-12 Shinjiyou Seisakusho:Kk Production of separator for concrete mold
KR830001707A (en) * 1980-02-06 1983-05-18 히로 게이다로오 Method and device for processing inner surface of cylindrical casting
US5158527A (en) * 1988-02-03 1992-10-27 Techniport S.A. Method and apparatus for mechanically joining concrete-reinforcing rods
EP0947642A2 (en) * 1998-03-31 1999-10-06 Gyeng Ok Chung Method of working connection end of deformed bar for reinforcing concrete, deformed bar worked by the method and structure of connecting deformed bar

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5592241A (en) * 1978-12-29 1980-07-12 Shinjiyou Seisakusho:Kk Production of separator for concrete mold
KR830001707A (en) * 1980-02-06 1983-05-18 히로 게이다로오 Method and device for processing inner surface of cylindrical casting
US5158527A (en) * 1988-02-03 1992-10-27 Techniport S.A. Method and apparatus for mechanically joining concrete-reinforcing rods
EP0947642A2 (en) * 1998-03-31 1999-10-06 Gyeng Ok Chung Method of working connection end of deformed bar for reinforcing concrete, deformed bar worked by the method and structure of connecting deformed bar

Also Published As

Publication number Publication date
WO2009120153A9 (en) 2010-10-14
KR20100027242A (en) 2010-03-10
WO2009120153A1 (en) 2009-10-01
CN101965236A (en) 2011-02-02

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