SE409555B - Dragdorn for utkragning av ror i kallt tillstand - Google Patents

Dragdorn for utkragning av ror i kallt tillstand

Info

Publication number
SE409555B
SE409555B SE7411023A SE7411023A SE409555B SE 409555 B SE409555 B SE 409555B SE 7411023 A SE7411023 A SE 7411023A SE 7411023 A SE7411023 A SE 7411023A SE 409555 B SE409555 B SE 409555B
Authority
SE
Sweden
Prior art keywords
dragdorn
crazing
rod
cold condition
cold
Prior art date
Application number
SE7411023A
Other languages
English (en)
Swedish (sv)
Other versions
SE7411023L (fr
Inventor
J Napp
Original Assignee
Messer Griesheim Gmbh
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
Priority claimed from DE19732343981 external-priority patent/DE2343981C3/de
Application filed by Messer Griesheim Gmbh filed Critical Messer Griesheim Gmbh
Publication of SE7411023L publication Critical patent/SE7411023L/xx
Publication of SE409555B publication Critical patent/SE409555B/xx

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
    • B21C37/28—Making tube fittings for connecting pipes, e.g. U-pieces
    • B21C37/29—Making branched pieces, e.g. T-pieces
    • B21C37/298—Forming collars by flow-drilling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Extraction Processes (AREA)
  • Branch Pipes, Bends, And The Like (AREA)
SE7411023A 1973-08-31 1974-08-30 Dragdorn for utkragning av ror i kallt tillstand SE409555B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732343981 DE2343981C3 (de) 1973-08-31 Ziehdorn zum Aushalsen von Rohren

Publications (2)

Publication Number Publication Date
SE7411023L SE7411023L (fr) 1975-03-03
SE409555B true SE409555B (sv) 1979-08-27

Family

ID=5891278

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7411023A SE409555B (sv) 1973-08-31 1974-08-30 Dragdorn for utkragning av ror i kallt tillstand

Country Status (4)

Country Link
JP (1) JPS5051465A (fr)
FR (1) FR2245431B3 (fr)
GB (1) GB1478646A (fr)
SE (1) SE409555B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19607311A1 (de) * 1996-02-27 1997-08-28 Kwg Maschinenbau Gmbh Vorrichtung zur Herstellung von Aushalsungen in Werkstücken

Also Published As

Publication number Publication date
DE2343981A1 (de) 1975-03-20
JPS5051465A (fr) 1975-05-08
FR2245431A1 (fr) 1975-04-25
SE7411023L (fr) 1975-03-03
DE2343981B2 (de) 1975-10-02
GB1478646A (en) 1977-07-06
FR2245431B3 (fr) 1980-01-11

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