IT995788B - SHEET CUT TO SHAPE FOR THE PRODUCTION OF LONGITUDINAL WELDING TUBES - Google Patents

SHEET CUT TO SHAPE FOR THE PRODUCTION OF LONGITUDINAL WELDING TUBES

Info

Publication number
IT995788B
IT995788B IT3001073A IT3001073A IT995788B IT 995788 B IT995788 B IT 995788B IT 3001073 A IT3001073 A IT 3001073A IT 3001073 A IT3001073 A IT 3001073A IT 995788 B IT995788 B IT 995788B
Authority
IT
Italy
Prior art keywords
production
shape
sheet cut
longitudinal welding
welding tubes
Prior art date
Application number
IT3001073A
Other languages
Italian (it)
Inventor
Axt F Muller
W Wiedenhoff
G Muhlemeier
Original Assignee
Mannesmann Roehren Werke Ag
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 Mannesmann Roehren Werke Ag filed Critical Mannesmann Roehren Werke Ag
Application granted granted Critical
Publication of IT995788B publication Critical patent/IT995788B/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
    • B21C37/08—Making tubes with welded or soldered seams
    • B21C37/083—Supply, or operations combined with supply, of strip material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/02—Seam welding; Backing means; Inserts
    • B23K9/025—Seam welding; Backing means; Inserts for rectilinear seams
    • B23K9/0253—Seam welding; Backing means; Inserts for rectilinear seams for the longitudinal seam of tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
IT3001073A 1972-10-20 1973-10-11 SHEET CUT TO SHAPE FOR THE PRODUCTION OF LONGITUDINAL WELDING TUBES IT995788B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722252306 DE2252306A1 (en) 1972-10-20 1972-10-20 PROCESS FOR PRODUCING A LONGITUDINAL SEAM-WELDED PIPE

Publications (1)

Publication Number Publication Date
IT995788B true IT995788B (en) 1975-11-20

Family

ID=5860026

Family Applications (1)

Application Number Title Priority Date Filing Date
IT3001073A IT995788B (en) 1972-10-20 1973-10-11 SHEET CUT TO SHAPE FOR THE PRODUCTION OF LONGITUDINAL WELDING TUBES

Country Status (6)

Country Link
JP (1) JPS4987560A (en)
CA (1) CA988754A (en)
DE (1) DE2252306A1 (en)
FR (1) FR2203684B1 (en)
GB (1) GB1439787A (en)
IT (1) IT995788B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2708364C3 (en) * 1977-02-23 1981-07-09 Mannesmann AG, 4000 Düsseldorf Procedures for Avoiding Final Defects
JPS62230478A (en) * 1986-03-31 1987-10-09 Sumitomo Metal Ind Ltd Automatic tab plate welding device
JP2616691B2 (en) * 1994-03-14 1997-06-04 トヨタ自動車株式会社 Manufacturing method of collective blank for press molding and collective blank
FR3136362A1 (en) 2022-06-14 2023-12-15 Institut Mines Telecom Instrumented scleral lens and associated device, embedded in the lens or not, for measuring the pupil diameter of an eye.

Also Published As

Publication number Publication date
FR2203684B1 (en) 1977-09-09
CA988754A (en) 1976-05-11
GB1439787A (en) 1976-06-16
DE2252306A1 (en) 1974-05-02
JPS4987560A (en) 1974-08-21
FR2203684A1 (en) 1974-05-17

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