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ITRM910804A0 - Metodo per il fissaggio di un pezzo forato ad una spina e dispositivo per l'esecuzione dello stesso - Google Patents

Metodo per il fissaggio di un pezzo forato ad una spina e dispositivo per l'esecuzione dello stesso

Info

Publication number
ITRM910804A0
ITRM910804A0 IT91RM804A ITRM910804A ITRM910804A0 IT RM910804 A0 ITRM910804 A0 IT RM910804A0 IT 91RM804 A IT91RM804 A IT 91RM804A IT RM910804 A ITRM910804 A IT RM910804A IT RM910804 A0 ITRM910804 A0 IT RM910804A0
Authority
IT
Italy
Prior art keywords
plug
fixing
same
drilled piece
drilled
Prior art date
Application number
IT91RM804A
Other languages
English (en)
Inventor
Karl-Hermann Bub
Dietrich Dodecke
Horst Wagener
Original Assignee
Benteler Werke Ag
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 Werke Ag filed Critical Benteler Werke Ag
Publication of ITRM910804A0 publication Critical patent/ITRM910804A0/it
Publication of ITRM910804A1 publication Critical patent/ITRM910804A1/it
Application granted granted Critical
Publication of IT1250126B publication Critical patent/IT1250126B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J7/00—Hammers; Forging machines with hammers or die jaws acting by impact
    • B21J7/02—Special design or construction
    • B21J7/14—Forging machines working with several hammers
    • 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
    • B21C1/00—Manufacture of metal sheets, wire, rods, tubes or like semi-manufactured products by drawing
    • B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by means other than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, rods or tubes
    • B21C1/22—Metal drawing by machines or apparatus in which the drawing action is effected by means other than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, rods or tubes specially adapted for making tubular articles
    • B21C1/24—Metal drawing by machines or apparatus in which the drawing action is effected by means other than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, rods or tubes specially adapted for making tubular articles by means of mandrels
    • B21C1/26—Push-bench drawing

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Of Metal (AREA)
  • Heat Treatment Of Articles (AREA)
ITRM910804A 1990-12-10 1991-10-24 Metodo per il fissaggio di un pezzo forato ad una spina e dispositivo per l'esecuzione dello stesso. IT1250126B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4039369A DE4039369C1 (en) 1990-12-10 1990-12-10 Prodn. of metal tubes - involves cooling mandrel head and allowing thermal expansion to increase tube ID

Publications (3)

Publication Number Publication Date
ITRM910804A0 true ITRM910804A0 (it) 1991-10-24
ITRM910804A1 ITRM910804A1 (it) 1993-04-24
IT1250126B IT1250126B (it) 1995-03-30

Family

ID=6419982

Family Applications (1)

Application Number Title Priority Date Filing Date
ITRM910804A IT1250126B (it) 1990-12-10 1991-10-24 Metodo per il fissaggio di un pezzo forato ad una spina e dispositivo per l'esecuzione dello stesso.

Country Status (4)

Country Link
CZ (1) CZ278054B6 (it)
DE (1) DE4039369C1 (it)
IT (1) IT1250126B (it)
SK (1) SK278885B6 (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112474871B (zh) * 2020-09-27 2022-06-10 太原科技大学 一种高性能短流程带筋镁合金无缝管材的推轧工艺

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3642769C1 (en) * 1986-12-15 1987-07-16 Benteler Werke Ag Method and apparatus for rolling a pierced blank into a tube blank

Also Published As

Publication number Publication date
SK278885B6 (sk) 1998-04-08
DE4039369C1 (en) 1991-09-19
IT1250126B (it) 1995-03-30
CZ278054B6 (en) 1993-07-14
ITRM910804A1 (it) 1993-04-24
CS311591A3 (en) 1992-06-17

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19960909