IT1105482B - Perfezionamento nelle disposizioni di estrusione di tubi di acciaio - Google Patents

Perfezionamento nelle disposizioni di estrusione di tubi di acciaio

Info

Publication number
IT1105482B
IT1105482B IT49804/78A IT4980478A IT1105482B IT 1105482 B IT1105482 B IT 1105482B IT 49804/78 A IT49804/78 A IT 49804/78A IT 4980478 A IT4980478 A IT 4980478A IT 1105482 B IT1105482 B IT 1105482B
Authority
IT
Italy
Prior art keywords
provisions
extrusion
improvement
steel pipes
pipes
Prior art date
Application number
IT49804/78A
Other languages
English (en)
Other versions
IT7849804A0 (it
Original Assignee
Benteler Geb Paderwerk
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 Benteler Geb Paderwerk filed Critical Benteler Geb Paderwerk
Publication of IT7849804A0 publication Critical patent/IT7849804A0/it
Application granted granted Critical
Publication of IT1105482B publication Critical patent/IT1105482B/it

Links

Classifications

    • 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
    • B21C25/00—Profiling tools for metal extruding
    • B21C25/04—Mandrels

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Of Metal (AREA)
  • Forging (AREA)
IT49804/78A 1977-06-14 1978-06-09 Perfezionamento nelle disposizioni di estrusione di tubi di acciaio IT1105482B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2726675A DE2726675C3 (de) 1977-06-14 1977-06-14 Kombinierter Loch- und Innendorn für das Strangpressen von Stahlrohren aus Blöcken

Publications (2)

Publication Number Publication Date
IT7849804A0 IT7849804A0 (it) 1978-06-09
IT1105482B true IT1105482B (it) 1985-11-04

Family

ID=6011449

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49804/78A IT1105482B (it) 1977-06-14 1978-06-09 Perfezionamento nelle disposizioni di estrusione di tubi di acciaio

Country Status (3)

Country Link
DE (1) DE2726675C3 (it)
FR (1) FR2394338A1 (it)
IT (1) IT1105482B (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2003226957A1 (en) * 2003-04-25 2004-11-23 Joachim Danckert A punch for extrusion processes and a product produced by use of such punch

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1066157A (fr) * 1951-06-15 1954-06-02 Perfectionnements apportés aux procédés et dispositifs pour l'extrusion de matières plastiques
FR1043869A (fr) * 1951-10-15 1953-11-12 Comptoir Ind D Etirage & Profi Perfectionnement au perçage à chaud des métaux
FR1491539A (fr) * 1966-07-01 1967-08-11 Cefilac Dispositif pour le filage des tubes de faible diamètre intérieur
GB1199085A (en) * 1967-11-07 1970-07-15 Kabel Metallwerke Ghh Device for Cold-Forming Metal Billets into Cups
US3580037A (en) * 1968-10-07 1971-05-25 Universal Oil Prod Co Tube extrusion apparatus including separable arrested mandrel tip tube cutoff

Also Published As

Publication number Publication date
FR2394338B1 (it) 1980-07-18
IT7849804A0 (it) 1978-06-09
DE2726675C3 (de) 1981-07-23
DE2726675B2 (de) 1980-12-04
FR2394338A1 (fr) 1979-01-12
DE2726675A1 (de) 1979-01-04

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