IT971319B - EQUIPMENT FOR FORMING A SPIRAL STEEL PIPE - Google Patents

EQUIPMENT FOR FORMING A SPIRAL STEEL PIPE

Info

Publication number
IT971319B
IT971319B IT7232220A IT3222072A IT971319B IT 971319 B IT971319 B IT 971319B IT 7232220 A IT7232220 A IT 7232220A IT 3222072 A IT3222072 A IT 3222072A IT 971319 B IT971319 B IT 971319B
Authority
IT
Italy
Prior art keywords
equipment
forming
steel pipe
spiral steel
spiral
Prior art date
Application number
IT7232220A
Other languages
Italian (it)
Original Assignee
Nippon Steel Corp
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
Priority claimed from JP9651471A external-priority patent/JPS5110590B2/ja
Priority claimed from JP8530072U external-priority patent/JPS5114041Y2/ja
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Application granted granted Critical
Publication of IT971319B publication Critical patent/IT971319B/en

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
IT7232220A 1971-11-29 1972-11-29 EQUIPMENT FOR FORMING A SPIRAL STEEL PIPE IT971319B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9651471A JPS5110590B2 (en) 1971-11-29 1971-11-29
JP8530072U JPS5114041Y2 (en) 1972-07-18 1972-07-18

Publications (1)

Publication Number Publication Date
IT971319B true IT971319B (en) 1974-04-30

Family

ID=26426319

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7232220A IT971319B (en) 1971-11-29 1972-11-29 EQUIPMENT FOR FORMING A SPIRAL STEEL PIPE

Country Status (6)

Country Link
US (1) US3864952A (en)
CA (1) CA977216A (en)
DE (1) DE2258198C3 (en)
FR (1) FR2162049B1 (en)
GB (1) GB1388206A (en)
IT (1) IT971319B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11701699B2 (en) * 2019-09-23 2023-07-18 Horace Thompson Helicoidal blade manufacturing system and method
CN112718982B (en) * 2020-12-24 2023-05-02 诸暨市金戋机械有限公司 Bending device for heat exchanger machining and bending method of heat exchanger

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2675773A (en) * 1954-04-20 Apparatus for making tapered flexible tubing
US2996025A (en) * 1956-08-16 1961-08-15 Danly Mach Specialties Inc Readily changeable die assembly for power presses
US2913946A (en) * 1956-08-22 1959-11-24 Philco Corp Die handling mechanism for facilitating insertion and removal thereof in presses
US2988234A (en) * 1959-03-18 1961-06-13 Western Electric Co Two-position work-feeding apparatus
US3146331A (en) * 1961-10-18 1964-08-25 Hoesch Ag Apparatus for producing helical-seam pipe
US3212430A (en) * 1963-08-30 1965-10-19 Minster Machine Co Sliding bolster press
US3207065A (en) * 1963-12-06 1965-09-21 Danly Mach Specialties Inc Quick die changing mechanism
DE1243131B (en) * 1964-10-31 1967-06-29 Lothar Kehne Machine for the production of cylindrical and conical tubes of various diameters from helically wound tape
US3427854A (en) * 1967-03-28 1969-02-18 Bliss Co Movable bolster for presses
US3650015A (en) * 1969-02-04 1972-03-21 Pacific Roller Die Co Inc Helical pipe making method

Also Published As

Publication number Publication date
FR2162049A1 (en) 1973-07-13
DE2258198C3 (en) 1975-03-13
CA977216A (en) 1975-11-04
DE2258198A1 (en) 1973-06-07
US3864952A (en) 1975-02-11
FR2162049B1 (en) 1975-11-07
DE2258198B2 (en) 1974-08-01
GB1388206A (en) 1975-03-26

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