IL44178A - Manufacture of tubular metal members of polygonal cross-section by rolling - Google Patents

Manufacture of tubular metal members of polygonal cross-section by rolling

Info

Publication number
IL44178A
IL44178A IL44178A IL4417874A IL44178A IL 44178 A IL44178 A IL 44178A IL 44178 A IL44178 A IL 44178A IL 4417874 A IL4417874 A IL 4417874A IL 44178 A IL44178 A IL 44178A
Authority
IL
Israel
Prior art keywords
strip
edges
corner
cross
rolling
Prior art date
Application number
IL44178A
Other languages
English (en)
Other versions
IL44178A0 (en
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 IL44178A0 publication Critical patent/IL44178A0/xx
Publication of IL44178A publication Critical patent/IL44178A/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, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles 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)
IL44178A 1973-02-14 1974-02-10 Manufacture of tubular metal members of polygonal cross-section by rolling IL44178A (en)

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
IL44178A0 IL44178A0 (en) 1974-05-16
IL44178A true IL44178A (en) 1977-01-31

Family

ID=25565953

Family Applications (1)

Application Number Title Priority Date Filing Date
IL44178A IL44178A (en) 1973-02-14 1974-02-10 Manufacture of tubular metal members of polygonal cross-section by rolling

Country Status (7)

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

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
FR2217083A1 (it) 1974-09-06
FR2217083B3 (it) 1976-11-26
IT1027520B (it) 1978-12-20
ZA731045B (en) 1974-06-26
DE2406710A1 (de) 1974-08-22
IE39013L (en) 1974-08-14
IL44178A0 (en) 1974-05-16
GB1433431A (en) 1976-04-28
IE39013B1 (en) 1978-07-19

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