CA988754A - Method of preparing plates as blanks for the production of pipes with longitudinal welding seam - Google Patents

Method of preparing plates as blanks for the production of pipes with longitudinal welding seam

Info

Publication number
CA988754A
CA988754A CA183,700A CA183700A CA988754A CA 988754 A CA988754 A CA 988754A CA 183700 A CA183700 A CA 183700A CA 988754 A CA988754 A CA 988754A
Authority
CA
Canada
Prior art keywords
blanks
pipes
production
welding seam
longitudinal welding
Prior art date
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
CA183,700A
Other languages
English (en)
Other versions
CA183700S (en
Inventor
Wolfgang Wiedenhoff
Friedrich Muller-Axt
Gerd Muhlemeier
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.)
Vodafone GmbH
Original Assignee
Mannesmannroehren 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 Mannesmannroehren Werke AG filed Critical Mannesmannroehren Werke AG
Application granted granted Critical
Publication of CA988754A publication Critical patent/CA988754A/en
Expired legal-status Critical Current

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)
CA183,700A 1972-10-20 1973-10-19 Method of preparing plates as blanks for the production of pipes with longitudinal welding seam Expired CA988754A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722252306 DE2252306A1 (de) 1972-10-20 1972-10-20 Verfahren zum herstellen eines laengsnahtgeschweissten rohres

Publications (1)

Publication Number Publication Date
CA988754A true CA988754A (en) 1976-05-11

Family

ID=5860026

Family Applications (1)

Application Number Title Priority Date Filing Date
CA183,700A Expired CA988754A (en) 1972-10-20 1973-10-19 Method of preparing plates as blanks for the production of pipes with longitudinal welding seam

Country Status (6)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2708364C3 (de) * 1977-02-23 1981-07-09 Mannesmann AG, 4000 Düsseldorf Verfahren zur Vermeidung von Endfehlern
JPS62230478A (ja) * 1986-03-31 1987-10-09 Sumitomo Metal Ind Ltd タブ板自動溶接装置
JP2616691B2 (ja) * 1994-03-14 1997-06-04 トヨタ自動車株式会社 プレス成形用集合ブランクの製造方法および集合ブランク
FR3136362A1 (fr) 2022-06-14 2023-12-15 Institut Mines Telecom Lentille sclérale instrumentée et dispositif associé, embarqué dans la lentille ou non, pour la mesure du diamètre de pupille d’un œil.

Also Published As

Publication number Publication date
FR2203684A1 (sv) 1974-05-17
IT995788B (it) 1975-11-20
GB1439787A (en) 1976-06-16
FR2203684B1 (sv) 1977-09-09
DE2252306A1 (de) 1974-05-02
JPS4987560A (sv) 1974-08-21

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