NO742459L - - Google Patents

Info

Publication number
NO742459L
NO742459L NO742459A NO742459A NO742459L NO 742459 L NO742459 L NO 742459L NO 742459 A NO742459 A NO 742459A NO 742459 A NO742459 A NO 742459A NO 742459 L NO742459 L NO 742459L
Authority
NO
Norway
Prior art keywords
welding
edges
pipe
insert
layer
Prior art date
Application number
NO742459A
Other languages
English (en)
Norwegian (no)
Inventor
Pasquale Fischetti
Original Assignee
Pasquale Fischetti
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 Pasquale Fischetti filed Critical Pasquale Fischetti
Publication of NO742459L publication Critical patent/NO742459L/no

Links

Classifications

    • 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
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/16—Resistance welding; Severing by resistance heating taking account of the properties of the material to be welded
    • B23K11/163—Welding of coated materials
    • 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
    • B21C37/09—Making tubes with welded or soldered seams of coated strip material ; Making multi-wall tubes
    • 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
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/08—Seam welding not restricted to one of the preceding subgroups
    • B23K11/087—Seam welding not restricted to one of the preceding subgroups for rectilinear seams
    • B23K11/0873—Seam welding not restricted to one of the preceding subgroups for rectilinear seams of the longitudinal seam of tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Package Frames And Binding Bands (AREA)
  • Arc Welding In General (AREA)
NO742459A 1973-07-06 1974-07-05 NO742459L (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT26310/73A IT991034B (it) 1973-07-06 1973-07-06 Procedimento di formatura di tubi a superficie trattata e tubi cosi ottenuti

Publications (1)

Publication Number Publication Date
NO742459L true NO742459L (it) 1975-02-03

Family

ID=11219196

Family Applications (1)

Application Number Title Priority Date Filing Date
NO742459A NO742459L (it) 1973-07-06 1974-07-05

Country Status (6)

Country Link
DE (1) DE2432336A1 (it)
ES (1) ES428281A1 (it)
FR (1) FR2241353A1 (it)
IT (1) IT991034B (it)
NL (1) NL7409115A (it)
NO (1) NO742459L (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3630625A1 (de) * 1986-09-09 1988-03-17 Benteler Werke Ag Verfahren zur herstellung eines innen verzinkten rohrs
DE4001825A1 (de) * 1990-01-23 1991-07-25 Mannstaedt Werke Gmbh & Co Verfahren zum schweissen von plattiertem stahl
DE19915574A1 (de) * 1999-03-30 2000-10-12 Sms Demag Ag Verfahren zur Herstellung des innen- und/oder außen verzinnten Hohlprofiles sowie innenverzinntes Kupferrohr

Also Published As

Publication number Publication date
ES428281A1 (es) 1976-07-16
NL7409115A (nl) 1975-01-08
IT991034B (it) 1975-07-30
DE2432336A1 (de) 1975-01-30
FR2241353A1 (en) 1975-03-21
FR2241353B3 (it) 1977-05-06

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