GB2148758B - Bending mandrel - Google Patents

Bending mandrel

Info

Publication number
GB2148758B
GB2148758B GB08329194A GB8329194A GB2148758B GB 2148758 B GB2148758 B GB 2148758B GB 08329194 A GB08329194 A GB 08329194A GB 8329194 A GB8329194 A GB 8329194A GB 2148758 B GB2148758 B GB 2148758B
Authority
GB
United Kingdom
Prior art keywords
bending mandrel
mandrel
bending
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
GB08329194A
Other versions
GB2148758A (en
GB8329194D0 (en
Inventor
Mansell Thomas Gowing
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.)
Norcros Investments Ltd
Original Assignee
Norcros Investments 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 Norcros Investments Ltd filed Critical Norcros Investments Ltd
Priority to GB08329194A priority Critical patent/GB2148758B/en
Publication of GB8329194D0 publication Critical patent/GB8329194D0/en
Publication of GB2148758A publication Critical patent/GB2148758A/en
Application granted granted Critical
Publication of GB2148758B publication Critical patent/GB2148758B/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
    • B21D9/00—Bending tubes using mandrels or the like
    • B21D9/01—Bending tubes using mandrels or the like the mandrel being flexible and engaging the entire tube length

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
GB08329194A 1983-11-02 1983-11-02 Bending mandrel Expired GB2148758B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08329194A GB2148758B (en) 1983-11-02 1983-11-02 Bending mandrel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08329194A GB2148758B (en) 1983-11-02 1983-11-02 Bending mandrel

Publications (3)

Publication Number Publication Date
GB8329194D0 GB8329194D0 (en) 1983-12-07
GB2148758A GB2148758A (en) 1985-06-05
GB2148758B true GB2148758B (en) 1987-04-29

Family

ID=10551078

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08329194A Expired GB2148758B (en) 1983-11-02 1983-11-02 Bending mandrel

Country Status (1)

Country Link
GB (1) GB2148758B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT232332Y1 (en) * 1994-02-22 1999-12-17 Borletti Climatizzazione U-BENDING EQUIPMENT OF PIPES FOR HEAT EXCHANGERS EQUIPPED WITH RADIAL FINS EXTENDING FROM THE INTERNAL WALL OF THE PIPE.
BR9811468A (en) 1997-06-10 2000-09-19 Exxon Chemical Patents Inc Pyrolysis oven with a "U" radiant spiral with internal fins
DE19926330C2 (en) 1999-06-09 2001-08-09 Thyssenkrupp Stahl Ag Bending mandrel for a bending device and bending method for pipes
US6644358B2 (en) 2001-07-27 2003-11-11 Manoir Industries, Inc. Centrifugally-cast tube and related method and apparatus for making same
CN106541005A (en) * 2016-10-13 2017-03-29 中车长春轨道客车股份有限公司 For the cavity filling device and its using method of hollow aluminium section bar bending process
CN110893427B (en) * 2019-12-23 2024-04-26 江苏金鑫电器有限公司 Bending tool for spiral welded pipe

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB470426A (en) * 1936-02-15 1937-08-16 Leif Kielland Improvements in or relating to bending metal tubes and like hollow bodies
GB837462A (en) * 1957-12-02 1960-06-15 Gen Electric Co Ltd Improvements in or relating to waveguides and methods of bending waveguides
GB845241A (en) * 1957-12-02 1960-08-17 Gen Electric Co Ltd Improvements in or relating to waveguides and methods of bending waveguides

Also Published As

Publication number Publication date
GB2148758A (en) 1985-06-05
GB8329194D0 (en) 1983-12-07

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee