HK1036027A1 - Manufacturing method for angled steel pipes. - Google Patents

Manufacturing method for angled steel pipes.

Info

Publication number
HK1036027A1
HK1036027A1 HK01107036A HK01107036A HK1036027A1 HK 1036027 A1 HK1036027 A1 HK 1036027A1 HK 01107036 A HK01107036 A HK 01107036A HK 01107036 A HK01107036 A HK 01107036A HK 1036027 A1 HK1036027 A1 HK 1036027A1
Authority
HK
Hong Kong
Prior art keywords
manufacturing
steel pipes
angled steel
angled
pipes
Prior art date
Application number
HK01107036A
Inventor
Hiromu Nakajima
Norio Nakajima
Original Assignee
Nakajima Steel Pipe Co Ltd
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
Priority claimed from JP7192343A external-priority patent/JPH0938721A/en
Priority claimed from JP7288233A external-priority patent/JPH0999324A/en
Priority claimed from JP7288232A external-priority patent/JPH09103821A/en
Priority claimed from JP01478396A external-priority patent/JP3231239B2/en
Application filed by Nakajima Steel Pipe Co Ltd filed Critical Nakajima Steel Pipe Co Ltd
Publication of HK1036027A1 publication Critical patent/HK1036027A1/en

Links

HK01107036A 1995-07-28 2001-10-08 Manufacturing method for angled steel pipes. HK1036027A1 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP7192343A JPH0938721A (en) 1995-07-28 1995-07-28 Production of square steel tube
JP19783895 1995-08-03
JP20263795 1995-08-09
JP7288233A JPH0999324A (en) 1995-08-03 1995-11-07 Manufacture of square tube
JP7288232A JPH09103821A (en) 1995-08-09 1995-11-07 Manufacture of square steel tube
JP01478396A JP3231239B2 (en) 1996-01-31 1996-01-31 Steel pipe manufacturing method

Publications (1)

Publication Number Publication Date
HK1036027A1 true HK1036027A1 (en) 2001-12-21

Family

ID=27548533

Family Applications (2)

Application Number Title Priority Date Filing Date
HK01107038A HK1036028A1 (en) 1995-07-28 2001-10-08 Manufacturing method for angled steel pipes.
HK01107036A HK1036027A1 (en) 1995-07-28 2001-10-08 Manufacturing method for angled steel pipes.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
HK01107038A HK1036028A1 (en) 1995-07-28 2001-10-08 Manufacturing method for angled steel pipes.

Country Status (3)

Country Link
CN (3) CN1066075C (en)
HK (2) HK1036028A1 (en)
MY (2) MY126145A (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102861766B (en) * 2012-09-20 2015-04-01 衡阳华菱钢管有限公司 Square tube rolling device, square tube sizing mill with same and production method of square tube
CN103629965A (en) * 2013-11-29 2014-03-12 锦州秀亭制管有限公司 Cooling pipe with square pits
CN104128373A (en) * 2014-08-12 2014-11-05 无锡市瑞尔精密机械股份有限公司 Novel machine set for producing hot rolling seamless square steel pipe
CN104353699B (en) * 2014-10-11 2016-09-21 浙江久德不锈钢型材有限公司 Steel pipe mould
CN104307924A (en) * 2014-11-14 2015-01-28 武汉钢铁(集团)公司 Square rectangular tube cold roll forming method
CN111836688B (en) * 2018-03-16 2022-09-13 杰富意钢铁株式会社 Method for manufacturing square steel pipe and square steel pipe
CN108453153B (en) * 2018-05-03 2024-06-28 石家庄富瑞沃机电设备有限公司 Roller device for directly forming square tube
KR20210135287A (en) * 2019-04-08 2021-11-12 제이에프이 스틸 가부시키가이샤 Rectangular steel pipe, manufacturing method thereof, and building structure
CN114364468B (en) * 2019-08-30 2023-03-17 杰富意钢铁株式会社 Square steel pipe, method for manufacturing same, and building structure
CN111229859B (en) * 2020-01-14 2021-12-03 长沙市大川防火材料有限公司 Automatic production process of air duct
WO2021187115A1 (en) * 2020-03-16 2021-09-23 Ｊｆｅスチール株式会社 Square steel pipe for beam-column joint, beam-column joint structure using same, and method for manufacturing square steel pipe
CN111687213A (en) * 2020-06-23 2020-09-22 刘伟良 Hot rolling device is used in production of nonrust steel pipe

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1119786B1 (en) * 1998-08-12 2007-02-21 Rofin Australia PTY Ltd Fluid light guide

Also Published As

Publication number Publication date
CN1291533A (en) 2001-04-18
CN1186141C (en) 2005-01-26
HK1036028A1 (en) 2001-12-21
CN1066075C (en) 2001-05-23
CN1291532A (en) 2001-04-18
CN1177656C (en) 2004-12-01
MY124926A (en) 2006-07-31
CN1154880A (en) 1997-07-23
MY126145A (en) 2006-09-29

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20150726