CH448943A - Process for the production of pipes with a rectangular cross-section and pipe produced by this process - Google Patents

Process for the production of pipes with a rectangular cross-section and pipe produced by this process

Info

Publication number
CH448943A
CH448943A CH825366A CH825366A CH448943A CH 448943 A CH448943 A CH 448943A CH 825366 A CH825366 A CH 825366A CH 825366 A CH825366 A CH 825366A CH 448943 A CH448943 A CH 448943A
Authority
CH
Switzerland
Prior art keywords
pipes
production
section
rectangular cross
pipe produced
Prior art date
Application number
CH825366A
Other languages
German (de)
Inventor
Jeppsson Allan
Original Assignee
Svenska Flaektfabriken Ab
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 Svenska Flaektfabriken Ab filed Critical Svenska Flaektfabriken Ab
Publication of CH448943A publication Critical patent/CH448943A/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
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • 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
    • B21C37/0803—Making tubes with welded or soldered seams the tubes having a special shape, e.g. polygonal tubes
CH825366A 1965-06-09 1966-06-08 Process for the production of pipes with a rectangular cross-section and pipe produced by this process CH448943A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE753665 1965-06-09

Publications (1)

Publication Number Publication Date
CH448943A true CH448943A (en) 1967-12-31

Family

ID=20271634

Family Applications (1)

Application Number Title Priority Date Filing Date
CH825366A CH448943A (en) 1965-06-09 1966-06-08 Process for the production of pipes with a rectangular cross-section and pipe produced by this process

Country Status (8)

Country Link
AT (1) AT263510B (en)
BE (1) BE682313A (en)
CH (1) CH448943A (en)
DE (1) DE1527909A1 (en)
DK (1) DK133368B (en)
ES (1) ES327600A1 (en)
GB (1) GB1144593A (en)
NL (1) NL6607945A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU80144A1 (en) * 1978-08-22 1980-04-21 Arbed PROCESS AND INSTALLATION FOR THE MANUFACTURE OF TUBULAR BODIES
SE431170B (en) * 1980-06-11 1984-01-23 Stefan Norlund SUBJECT TO INSULATED AIR DRUM WITH RECTANGULATED SECTION
DE19510121C2 (en) * 1995-03-21 1999-10-07 Rolf Wissner Process for producing a curved wall from a strip-like starting material with parallel side edges and parallel longitudinal edges
ES2270649B2 (en) * 2003-10-21 2008-02-01 Schako Metallwarenfabrik Ferdinand Schad Kg PROCEDURE FOR MANUFACTURING EMBOCADURES OF EMBROIDERED PIPES AND CORRESPONDING INSTALLATION.

Also Published As

Publication number Publication date
GB1144593A (en) 1969-03-05
BE682313A (en) 1966-11-14
DK133368C (en) 1976-10-04
ES327600A1 (en) 1967-03-16
NL6607945A (en) 1966-12-12
DK133368B (en) 1976-05-10
DE1527909A1 (en) 1970-04-23
AT263510B (en) 1968-07-25

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