ZA731045B - Improvements in the manufacture of tubular members - Google Patents

Improvements in the manufacture of tubular members

Info

Publication number
ZA731045B
ZA731045B ZA731045A ZA731045A ZA731045B ZA 731045 B ZA731045 B ZA 731045B ZA 731045 A ZA731045 A ZA 731045A ZA 731045 A ZA731045 A ZA 731045A ZA 731045 B ZA731045 B ZA 731045B
Authority
ZA
South Africa
Prior art keywords
manufacture
tubular members
tubular
members
Prior art date
Application number
ZA731045A
Inventor
G Scheepers
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
Priority to ZA731045A priority Critical patent/ZA731045B/en
Priority to GB591674A priority patent/GB1433431A/en
Priority to IL44178A priority patent/IL44178A/en
Priority to IE00258/74A priority patent/IE39013B1/en
Priority to DE19742406710 priority patent/DE2406710A1/en
Priority to FR7405070A priority patent/FR2217083B3/fr
Priority to IT20778/74A priority patent/IT1027520B/en
Publication of ZA731045B publication Critical patent/ZA731045B/en

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
ZA731045A 1973-02-14 1973-02-14 Improvements in the manufacture of tubular members ZA731045B (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
ZA731045A ZA731045B (en) 1973-02-14 1973-02-14 Improvements in the manufacture of tubular members
GB591674A GB1433431A (en) 1973-02-14 1974-02-08 Manufacture of tubular members
IL44178A IL44178A (en) 1973-02-14 1974-02-10 Manufacture of tubular metal members of polygonal cross-section by rolling
IE00258/74A IE39013B1 (en) 1973-02-14 1974-02-11 Improvements in the manufacture of tubular members
DE19742406710 DE2406710A1 (en) 1973-02-14 1974-02-13 PROCESS FOR MANUFACTURING PIPES WITH POLYGONAL CROSS-SECTION AND DEVICE FOR CARRYING OUT THE PROCESS
FR7405070A FR2217083B3 (en) 1973-02-14 1974-02-14
IT20778/74A IT1027520B (en) 1973-02-14 1974-04-08 PROCESS AND EQUIPMENT FOR MANUFACTURING TUBULAR ELEMENTS

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 (1)

Publication Number Publication Date
ZA731045B true ZA731045B (en) 1974-06-26

Family

ID=25565953

Family Applications (1)

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

Country Status (7)

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

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 (en) * 1989-11-01 1991-06-24 Mitsubishi Electric Corp Vacuum container for accelerator
DE4442434C1 (en) * 1994-11-29 1995-10-05 Welser Ohg Josef Method for mfr. of rolled hollow plate profiles
IT1394852B1 (en) 2009-07-21 2012-07-20 Olimpia 80 Srl VARIABLE LINEAR GEOMETRY MACHINE TO FORM SQUARE TUBES CONTINUOUSLY

Also Published As

Publication number Publication date
IL44178A (en) 1977-01-31
IE39013B1 (en) 1978-07-19
DE2406710A1 (en) 1974-08-22
GB1433431A (en) 1976-04-28
IE39013L (en) 1974-08-14
IT1027520B (en) 1978-12-20
FR2217083B3 (en) 1976-11-26
IL44178A0 (en) 1974-05-16
FR2217083A1 (en) 1974-09-06

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