GB1145939A - Improvements in or relating to methods of producing pipe sections - Google Patents

Improvements in or relating to methods of producing pipe sections

Info

Publication number
GB1145939A
GB1145939A GB3298267A GB3298267A GB1145939A GB 1145939 A GB1145939 A GB 1145939A GB 3298267 A GB3298267 A GB 3298267A GB 3298267 A GB3298267 A GB 3298267A GB 1145939 A GB1145939 A GB 1145939A
Authority
GB
United Kingdom
Prior art keywords
relating
methods
pipe sections
producing pipe
july
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
Application number
GB3298267A
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.)
Vodafone GmbH
Original Assignee
Mannesmann 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 Mannesmann AG filed Critical Mannesmann AG
Publication of GB1145939A publication Critical patent/GB1145939A/en
Expired 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
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/16—Making tubes with varying diameter in longitudinal direction

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Earth Drilling (AREA)
  • Continuous Casting (AREA)

Abstract

1,145,939. Pipes. MANNESMANN A.G. 18 July, 1967 [19 July, 1966], No. 32982/67. Heading F2P. [Also in Division B3] A pipe section, such as a drill-rig casing section for use in an oil field, has a continuous cylindrical outside surface 1 and a central portion having a wall thickness a. At both ends, inner surfaces 4 merge through portions 2 with the inner surface 3.
GB3298267A 1966-07-19 1967-07-18 Improvements in or relating to methods of producing pipe sections Expired GB1145939A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEM0070270 1966-07-19

Publications (1)

Publication Number Publication Date
GB1145939A true GB1145939A (en) 1969-03-19

Family

ID=7313383

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3298267A Expired GB1145939A (en) 1966-07-19 1967-07-18 Improvements in or relating to methods of producing pipe sections

Country Status (2)

Country Link
DE (1) DE1527819A1 (en)
GB (1) GB1145939A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0326085A2 (en) * 1988-01-25 1989-08-02 Tsudakoma Kogyo Kabushiki Kaisha Production of nozzle member
CN113305163A (en) * 2021-05-13 2021-08-27 重庆西重特种铝业有限公司 Drawing production process of equal-outer-diameter and variable-wall-thickness pipe

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT360820B (en) * 1979-02-09 1981-02-10 Vmw Ranshofen Berndorf Ag METHOD FOR THE PRODUCTION OF TUBES WITH WALL THICKNESS THROUGH ITS LENGTH
DE102016003350A1 (en) 2016-03-18 2017-09-21 TWI GmbH Process for the production of conical and / or conical components made of extruded hollow sections and a forming device for carrying out the method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0326085A2 (en) * 1988-01-25 1989-08-02 Tsudakoma Kogyo Kabushiki Kaisha Production of nozzle member
EP0326085A3 (en) * 1988-01-25 1990-04-25 Tsudakoma Kogyo Kabushiki Kaisha Production of nozzle member
CN113305163A (en) * 2021-05-13 2021-08-27 重庆西重特种铝业有限公司 Drawing production process of equal-outer-diameter and variable-wall-thickness pipe

Also Published As

Publication number Publication date
DE1527819A1 (en) 1969-12-04

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