DK133368B - Method for manufacturing rectangular ducts for ventilation systems. - Google Patents

Method for manufacturing rectangular ducts for ventilation systems.

Info

Publication number
DK133368B
DK133368B DK294266A DK294266A DK133368B DK 133368 B DK133368 B DK 133368B DK 294266 A DK294266 A DK 294266A DK 294266 A DK294266 A DK 294266A DK 133368 B DK133368 B DK 133368B
Authority
DK
Denmark
Prior art keywords
ventilation systems
rectangular ducts
manufacturing rectangular
manufacturing
ducts
Prior art date
Application number
DK294266A
Other languages
Danish (da)
Other versions
DK133368C (en
Inventor
Allan Jeppsson
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 DK133368B publication Critical patent/DK133368B/en
Application granted granted Critical
Publication of DK133368C publication Critical patent/DK133368C/da

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Duct Arrangements (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
DK294266A 1965-06-09 1966-06-08 Method for manufacturing rectangular ducts for ventilation systems. DK133368B (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
DK133368B true DK133368B (en) 1976-05-10
DK133368C DK133368C (en) 1976-10-04

Family

ID=20271634

Family Applications (1)

Application Number Title Priority Date Filing Date
DK294266A DK133368B (en) 1965-06-09 1966-06-08 Method for manufacturing rectangular ducts for ventilation systems.

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0008586A1 (en) * 1978-08-22 1980-03-05 Arbed S.A. Method and device for manufacturing tubular bodies

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0008586A1 (en) * 1978-08-22 1980-03-05 Arbed S.A. Method and device for manufacturing tubular bodies

Also Published As

Publication number Publication date
CH448943A (en) 1967-12-31
BE682313A (en) 1966-11-14
GB1144593A (en) 1969-03-05
AT263510B (en) 1968-07-25
DE1527909A1 (en) 1970-04-23
DK133368C (en) 1976-10-04
ES327600A1 (en) 1967-03-16
NL6607945A (en) 1966-12-12

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