GB8812370D0 - Improvements in helically formed tubing - Google Patents

Improvements in helically formed tubing

Info

Publication number
GB8812370D0
GB8812370D0 GB888812370A GB8812370A GB8812370D0 GB 8812370 D0 GB8812370 D0 GB 8812370D0 GB 888812370 A GB888812370 A GB 888812370A GB 8812370 A GB8812370 A GB 8812370A GB 8812370 D0 GB8812370 D0 GB 8812370D0
Authority
GB
United Kingdom
Prior art keywords
helically formed
formed tubing
tubing
helically
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.)
Pending
Application number
GB888812370A
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.)
Spiro Machines SA
Original Assignee
Spiro Machines SA
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 Spiro Machines SA filed Critical Spiro Machines SA
Priority to GB888812370A priority Critical patent/GB8812370D0/en
Publication of GB8812370D0 publication Critical patent/GB8812370D0/en
Priority to CA 600586 priority patent/CA1337963C/en
Priority to EP19890305279 priority patent/EP0343973B1/en
Priority to DE1989602423 priority patent/DE68902423T2/en
Priority to ES89305279T priority patent/ES2034630T3/en
Priority to AU36851/89A priority patent/AU3685189A/en
Priority to PCT/GB1989/000582 priority patent/WO1989011351A1/en
Pending 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
    • B21C37/12—Making tubes or metal hoses with helically arranged seams
    • B21C37/121—Making tubes or metal hoses with helically arranged seams with non-welded and non-soldered seams
    • 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
    • B21C37/12—Making tubes or metal hoses with helically arranged seams
    • B21C37/124—Making tubes or metal hoses with helically arranged seams the tubes having a special shape, e.g. with corrugated wall, flexible tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Gasket Seals (AREA)
  • Exhaust Silencers (AREA)
GB888812370A 1988-05-25 1988-05-25 Improvements in helically formed tubing Pending GB8812370D0 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
GB888812370A GB8812370D0 (en) 1988-05-25 1988-05-25 Improvements in helically formed tubing
CA 600586 CA1337963C (en) 1988-05-25 1989-05-24 Helically formed tubing
EP19890305279 EP0343973B1 (en) 1988-05-25 1989-05-24 Improvenments in helically formed tubing
DE1989602423 DE68902423T2 (en) 1988-05-25 1989-05-24 SCREW SEAM PIPES.
ES89305279T ES2034630T3 (en) 1988-05-25 1989-05-24 IMPROVEMENTS IN TUBES OF HELICAL CONDITION.
AU36851/89A AU3685189A (en) 1988-05-25 1989-05-25 Improvements in helically formed tubing
PCT/GB1989/000582 WO1989011351A1 (en) 1988-05-25 1989-05-25 Improvements in helically formed tubing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888812370A GB8812370D0 (en) 1988-05-25 1988-05-25 Improvements in helically formed tubing

Publications (1)

Publication Number Publication Date
GB8812370D0 true GB8812370D0 (en) 1988-06-29

Family

ID=10637508

Family Applications (1)

Application Number Title Priority Date Filing Date
GB888812370A Pending GB8812370D0 (en) 1988-05-25 1988-05-25 Improvements in helically formed tubing

Country Status (7)

Country Link
EP (1) EP0343973B1 (en)
AU (1) AU3685189A (en)
CA (1) CA1337963C (en)
DE (1) DE68902423T2 (en)
ES (1) ES2034630T3 (en)
GB (1) GB8812370D0 (en)
WO (1) WO1989011351A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6003220A (en) * 1995-03-08 1999-12-21 Protol A. G. Method and apparatus for producing helically wound lock-seam tubing
SE507901C2 (en) * 1995-03-08 1998-07-27 Protol Ag Method and apparatus for making spiral-folded tubes, and such spiral-folded tubes

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE57341C (en) * E. zimmermann in Berlin N., Uferstr. 6a 1 Tr Device for the production of tubes from a smooth sheet metal strip by winding it together in a helical manner
GB1599379A (en) * 1978-05-31 1981-09-30 Spiro Investment Sa Tube-forming machines
US4763830A (en) * 1986-12-22 1988-08-16 Pacific Roller Die Co., Inc. Method for welding ribbed pipe

Also Published As

Publication number Publication date
WO1989011351A1 (en) 1989-11-30
EP0343973A1 (en) 1989-11-29
EP0343973B1 (en) 1992-08-12
AU3685189A (en) 1989-12-12
CA1337963C (en) 1996-01-23
DE68902423T2 (en) 1993-02-04
DE68902423D1 (en) 1992-09-17
ES2034630T3 (en) 1993-04-01

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