FR2124587B1 - - Google Patents

Info

Publication number
FR2124587B1
FR2124587B1 FR7204280A FR7204280A FR2124587B1 FR 2124587 B1 FR2124587 B1 FR 2124587B1 FR 7204280 A FR7204280 A FR 7204280A FR 7204280 A FR7204280 A FR 7204280A FR 2124587 B1 FR2124587 B1 FR 2124587B1
Authority
FR
France
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
FR7204280A
Other languages
French (fr)
Other versions
FR2124587A1 (es
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.)
Nokia Oyj
Original Assignee
Nokia Oyj
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 Nokia Oyj filed Critical Nokia Oyj
Publication of FR2124587A1 publication Critical patent/FR2124587A1/fr
Application granted granted Critical
Publication of FR2124587B1 publication Critical patent/FR2124587B1/fr
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
    • B21C37/12—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
    • 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
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D17/00—Forming single grooves in sheet metal or tubular or hollow articles
    • B21D17/04—Forming single grooves in sheet metal or tubular or hollow articles by rolling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
FR7204280A 1971-02-09 1972-02-09 Expired FR2124587B1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI344/71A FI57221C (fi) 1971-02-09 1971-02-09 Foerstyvat med falssoem foersett av ett metallband tillverkat spiralsoemmat roer och maskin foer tillverkning av dylikt roer

Publications (2)

Publication Number Publication Date
FR2124587A1 FR2124587A1 (es) 1972-09-22
FR2124587B1 true FR2124587B1 (es) 1975-03-21

Family

ID=8503970

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7204280A Expired FR2124587B1 (es) 1971-02-09 1972-02-09

Country Status (6)

Country Link
US (1) US3868840A (es)
DE (1) DE2205247C2 (es)
FI (1) FI57221C (es)
FR (1) FR2124587B1 (es)
NO (1) NO135166C (es)
SE (1) SE388368B (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060016063A1 (en) * 2004-07-26 2006-01-26 Gharib Mohamed T Lockseaming process and apparatus for the same
US7669448B1 (en) 2005-07-20 2010-03-02 Mohamed Gharib Lockseaming process and apparatus for same
DE102013013735B4 (de) * 2013-08-21 2018-12-27 Fritz Hahn Gmbh & Co. Kg Vorrichtung und Verfahren zur Herstellung eines Wickelfalzrohres sowie ein mit der Vorrichtung und nach dem Verfahren aus einem profilierten Metallband hergestelltes Wickelfalzrohr

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1761980A (en) * 1927-07-05 1930-06-03 Bundy Tubing Co Method of making finned tubing
DE649079C (de) * 1932-01-27 1937-08-14 Friedrich Beckert Aus schraubenfoermig gewickeltem Metallband bestehendes biegsames Rohr zur Verlegung elektrischer Leitungen
CH279689A (de) * 1949-11-30 1951-12-15 Oerlikon Buehrle Ag Verfahren und Vorrichtung zur Herstellung biegsamer Rohre und nach dem Verfahren hergestelltes Rohr.
US2841183A (en) * 1955-06-09 1958-07-01 Wiremold Co Collapsible tubing with protective rib
DE2020547A1 (de) * 1969-05-12 1970-11-26 Vulcan Australia Wendelrohr

Also Published As

Publication number Publication date
FI57221C (fi) 1980-07-10
FR2124587A1 (es) 1972-09-22
FI57221B (fi) 1980-03-31
US3868840A (en) 1975-03-04
DE2205247A1 (es) 1972-09-07
SE388368B (sv) 1976-10-04
DE2205247C2 (de) 1985-05-15
NO135166B (es) 1976-11-15
NO135166C (no) 1977-08-30

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Legal Events

Date Code Title Description
ST Notification of lapse