ATE151317T1 - Verfahren und vorrichtung zur innendruckgestützten umformung von metallischen hohlprofilen - Google Patents

Verfahren und vorrichtung zur innendruckgestützten umformung von metallischen hohlprofilen

Info

Publication number
ATE151317T1
ATE151317T1 AT94890118T AT94890118T ATE151317T1 AT E151317 T1 ATE151317 T1 AT E151317T1 AT 94890118 T AT94890118 T AT 94890118T AT 94890118 T AT94890118 T AT 94890118T AT E151317 T1 ATE151317 T1 AT E151317T1
Authority
AT
Austria
Prior art keywords
pressure
blank
internal pressure
press rams
hollow metal
Prior art date
Application number
AT94890118T
Other languages
English (en)
Inventor
Gerfried Auer
Ernst Dr Bitsche
Alexander Dipl-Ing Dr Renner
Original Assignee
Subsana Anstalt
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=3511912&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE151317(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Subsana Anstalt filed Critical Subsana Anstalt
Application granted granted Critical
Publication of ATE151317T1 publication Critical patent/ATE151317T1/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
    • B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
    • B21D26/033—Deforming tubular bodies
    • B21D26/037—Forming branched tubes
    • 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
    • B21C37/294—Forming collars by compressing a fluid or a yieldable or resilient mass in the tube

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Forging (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
AT94890118T 1993-07-08 1994-07-08 Verfahren und vorrichtung zur innendruckgestützten umformung von metallischen hohlprofilen ATE151317T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0134693A ATA134693A (de) 1993-07-08 1993-07-08 Verfahren zur innendruckgestützten umformung von metallischen hohlprofilen sowie vorrichtung zur durchführung dieses verfahrens

Publications (1)

Publication Number Publication Date
ATE151317T1 true ATE151317T1 (de) 1997-04-15

Family

ID=3511912

Family Applications (2)

Application Number Title Priority Date Filing Date
AT0134693A ATA134693A (de) 1993-07-08 1993-07-08 Verfahren zur innendruckgestützten umformung von metallischen hohlprofilen sowie vorrichtung zur durchführung dieses verfahrens
AT94890118T ATE151317T1 (de) 1993-07-08 1994-07-08 Verfahren und vorrichtung zur innendruckgestützten umformung von metallischen hohlprofilen

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AT0134693A ATA134693A (de) 1993-07-08 1993-07-08 Verfahren zur innendruckgestützten umformung von metallischen hohlprofilen sowie vorrichtung zur durchführung dieses verfahrens

Country Status (4)

Country Link
EP (1) EP0633075B2 (de)
AT (2) ATA134693A (de)
DE (1) DE59402350D1 (de)
ES (1) ES2102801T5 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6128936A (en) * 1998-09-09 2000-10-10 Kabushiki Kaisha Opton Bulging device and bulging method
FR2787357B1 (fr) 1998-12-18 2001-03-16 Tubes Et Formes Procede et dispositif de realisation par hydroformage d'un piquage incline a partir d'un tube metallique
US7832244B2 (en) 2008-03-13 2010-11-16 Gm Global Technology Operations, Inc. Controlling fluid pressure in a hydroforming process

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2331430A (en) † 1941-08-27 1943-10-12 Chase Brass & Copper Co Apparatus for making hollow articles
FR1048482A (fr) * 1950-09-18 1953-12-22 Ici Ltd Fabrication de raccords de tuyaux à branchements
GB1083354A (en) † 1963-12-21 1967-09-13 Agency Ind Science Techn A liquid pressure bulge forming apparatus and process
US3350905A (en) * 1963-12-21 1967-11-07 Agency Ind Science Techn Liquid pressure bulge forming apparatus
FR2477918A1 (fr) * 1980-03-13 1981-09-18 Vallourec Procede perfectionne pour fabriquer des pieces par hydroflambage et dispositif pour la mise en oeuvre de ce procede

Also Published As

Publication number Publication date
DE59402350D1 (de) 1997-05-15
EP0633075A1 (de) 1995-01-11
ATA134693A (de) 1999-10-15
ES2102801T5 (es) 2000-04-16
EP0633075B1 (de) 1997-04-09
ES2102801T3 (es) 1997-08-01
EP0633075B2 (de) 1999-12-22

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Legal Events

Date Code Title Description
A1Z Withdrawn
REN Ceased due to non-payment of the annual fee