GB2342603B - Manufacturing method for angled steel pipes - Google Patents

Manufacturing method for angled steel pipes

Info

Publication number
GB2342603B
GB2342603B GB9930538A GB9930538A GB2342603B GB 2342603 B GB2342603 B GB 2342603B GB 9930538 A GB9930538 A GB 9930538A GB 9930538 A GB9930538 A GB 9930538A GB 2342603 B GB2342603 B GB 2342603B
Authority
GB
United Kingdom
Prior art keywords
manufacturing
steel pipes
angled steel
angled
pipes
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
GB9930538A
Other versions
GB9930538D0 (en
GB2342603A (en
Inventor
Norio Nakajima
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.)
Nakajima Steel Pipe Co Ltd
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
Application filed by Nakajima Steel Pipe Co Ltd filed Critical Nakajima Steel Pipe Co Ltd
Priority to GB9930538A priority Critical patent/GB2342603B/en
Priority claimed from GB9701860A external-priority patent/GB2321606B/en
Publication of GB9930538D0 publication Critical patent/GB9930538D0/en
Publication of GB2342603A publication Critical patent/GB2342603A/en
Application granted granted Critical
Publication of GB2342603B publication Critical patent/GB2342603B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/08—Making tubes with welded or soldered seams
    • B21C37/0803—Making tubes with welded or soldered seams the tubes having a special shape, e.g. polygonal tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/08—Making tubes with welded or soldered seams
    • B21C37/083—Supply, or operations combined with supply, of strip material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B15/0007—Cutting or shearing the product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B17/00—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling
    • B21B17/14—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling without mandrel, e.g. stretch-reducing mills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/004—Heating the product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/04—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing
    • B21B45/08—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing hydraulically
GB9930538A 1997-01-30 1997-01-30 Manufacturing method for angled steel pipes Expired - Lifetime GB2342603B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9930538A GB2342603B (en) 1997-01-30 1997-01-30 Manufacturing method for angled steel pipes

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9701860A GB2321606B (en) 1997-01-28 1997-01-30 Manufacturing method for angled steel pipes
GB9930538A GB2342603B (en) 1997-01-30 1997-01-30 Manufacturing method for angled steel pipes

Publications (3)

Publication Number Publication Date
GB9930538D0 GB9930538D0 (en) 2000-02-16
GB2342603A GB2342603A (en) 2000-04-19
GB2342603B true GB2342603B (en) 2000-09-20

Family

ID=10806784

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9930538A Expired - Lifetime GB2342603B (en) 1997-01-30 1997-01-30 Manufacturing method for angled steel pipes

Country Status (1)

Country Link
GB (1) GB2342603B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10138443A1 (en) * 2001-08-03 2003-02-27 Mannesmann Roehren Werke Ag Use of an elongated, hot-worked hollow profile for a telescopic boom of a lifting device
TR201807546T4 (en) * 2001-10-16 2018-06-21 Effer S P A A high-strength telescopic arm.
SE531195C2 (en) * 2007-04-13 2009-01-13 Ortic 3D Ab Resilient post and way to manufacture such

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06330177A (en) * 1993-05-25 1994-11-29 Nakajima Kokan Kk Heat treatment apparatus for round corner part of large diameter square steel tube
JPH07114223A (en) * 1993-10-18 1995-05-02 Fuji Xerox Co Ltd Image forming method
JPH07124639A (en) * 1993-10-29 1995-05-16 Nakajima Kokan Kk Manufacture of hot-rolled large diameter square steel tube where material of corner radiused part is not deteriorated

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06330177A (en) * 1993-05-25 1994-11-29 Nakajima Kokan Kk Heat treatment apparatus for round corner part of large diameter square steel tube
JPH07114223A (en) * 1993-10-18 1995-05-02 Fuji Xerox Co Ltd Image forming method
JPH07124639A (en) * 1993-10-29 1995-05-16 Nakajima Kokan Kk Manufacture of hot-rolled large diameter square steel tube where material of corner radiused part is not deteriorated

Also Published As

Publication number Publication date
GB9930538D0 (en) 2000-02-16
GB2342603A (en) 2000-04-19

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20170129