FR2217083B3 - - Google Patents

Info

Publication number
FR2217083B3
FR2217083B3 FR7405070A FR7405070A FR2217083B3 FR 2217083 B3 FR2217083 B3 FR 2217083B3 FR 7405070 A FR7405070 A FR 7405070A FR 7405070 A FR7405070 A FR 7405070A FR 2217083 B3 FR2217083 B3 FR 2217083B3
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
FR7405070A
Other versions
FR2217083A1 (fr
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.)
African Gate & Fence Works
Original Assignee
African Gate & Fence Works
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 African Gate & Fence Works filed Critical African Gate & Fence Works
Publication of FR2217083A1 publication Critical patent/FR2217083A1/fr
Application granted granted Critical
Publication of FR2217083B3 publication Critical patent/FR2217083B3/fr
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
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
    • B21D5/10—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles for making tubes
    • B21D5/12—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles for making tubes making use of forming-rollers
    • 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
    • B21C37/08—Making tubes with welded or soldered seams
    • B21C37/0803—Making tubes with welded or soldered seams the tubes having a special shape, e.g. polygonal tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
FR7405070A 1973-02-14 1974-02-14 Expired FR2217083B3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA731045A ZA731045B (en) 1973-02-14 1973-02-14 Improvements in the manufacture of tubular members

Publications (2)

Publication Number Publication Date
FR2217083A1 FR2217083A1 (fr) 1974-09-06
FR2217083B3 true FR2217083B3 (fr) 1976-11-26

Family

ID=25565953

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7405070A Expired FR2217083B3 (fr) 1973-02-14 1974-02-14

Country Status (7)

Country Link
DE (1) DE2406710A1 (fr)
FR (1) FR2217083B3 (fr)
GB (1) GB1433431A (fr)
IE (1) IE39013B1 (fr)
IL (1) IL44178A (fr)
IT (1) IT1027520B (fr)
ZA (1) ZA731045B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4122696A (en) * 1976-12-13 1978-10-31 Nippon Steel Corporation Method and apparatus for manufacturing metallic pipe
JPH03147298A (ja) * 1989-11-01 1991-06-24 Mitsubishi Electric Corp 加速器用真空容器
DE4442434C1 (de) * 1994-11-29 1995-10-05 Welser Ohg Josef Verfahren zum Herstellen rollgeformter Hohlprofile aus Blech
IT1394852B1 (it) * 2009-07-21 2012-07-20 Olimpia 80 Srl Macchina a geometria lineare variabile per formare in continua tubi quadri

Also Published As

Publication number Publication date
IE39013B1 (en) 1978-07-19
IT1027520B (it) 1978-12-20
IE39013L (en) 1974-08-14
FR2217083A1 (fr) 1974-09-06
IL44178A0 (en) 1974-05-16
DE2406710A1 (de) 1974-08-22
ZA731045B (en) 1974-06-26
IL44178A (en) 1977-01-31
GB1433431A (en) 1976-04-28

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