GB1257253A - - Google Patents

Info

Publication number
GB1257253A
GB1257253A GB1257253DA GB1257253A GB 1257253 A GB1257253 A GB 1257253A GB 1257253D A GB1257253D A GB 1257253DA GB 1257253 A GB1257253 A GB 1257253A
Authority
GB
United Kingdom
Prior art keywords
former
tube
opposite
bend
clamped
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
Other languages
English (en)
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 DE19681652817 external-priority patent/DE1652817A1/de
Application filed filed Critical
Publication of GB1257253A publication Critical patent/GB1257253A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
    • B21D11/06—Bending into helical or spiral form; Forming a succession of return bends, e.g. serpentine form
    • B21D11/07—Making serpentine-shaped articles by bending essentially in one plane

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
GB1257253D 1968-03-02 1969-02-26 Expired GB1257253A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681652817 DE1652817A1 (de) 1968-03-02 1968-03-02 Maschine zum Biegen von Rohrschlangen

Publications (1)

Publication Number Publication Date
GB1257253A true GB1257253A (fr) 1971-12-15

Family

ID=5685064

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1257253D Expired GB1257253A (fr) 1968-03-02 1969-02-26

Country Status (2)

Country Link
FR (1) FR2003104A1 (fr)
GB (1) GB1257253A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11484928B2 (en) 2017-08-08 2022-11-01 Wafios Aktiengesellschaft Bending machine for bending rod-shaped or tubular workpieces

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4048834A (en) * 1976-04-15 1977-09-20 General Electric Company Apparatus for forming serpentine heat exchangers
CN109226391A (zh) * 2018-10-30 2019-01-18 河南中原特钢装备制造有限公司 一种实现管线连续握弯的装置及方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11484928B2 (en) 2017-08-08 2022-11-01 Wafios Aktiengesellschaft Bending machine for bending rod-shaped or tubular workpieces

Also Published As

Publication number Publication date
FR2003104A1 (fr) 1969-11-07

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees