DE102004017235A1 - Tool to make tube-shaped workpieces by inner high pressure formation has two halves which when closed form tube or workpiece shape with sealing/closing element and boring to accept said element - Google Patents

Tool to make tube-shaped workpieces by inner high pressure formation has two halves which when closed form tube or workpiece shape with sealing/closing element and boring to accept said element Download PDF

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Publication number
DE102004017235A1
DE102004017235A1 DE200410017235 DE102004017235A DE102004017235A1 DE 102004017235 A1 DE102004017235 A1 DE 102004017235A1 DE 200410017235 DE200410017235 DE 200410017235 DE 102004017235 A DE102004017235 A DE 102004017235A DE 102004017235 A1 DE102004017235 A1 DE 102004017235A1
Authority
DE
Germany
Prior art keywords
boring
tube
sealing
halves
tool
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
DE200410017235
Other languages
German (de)
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DE102004017235B4 (en
Inventor
Markan Lovric
Klaus Siegert
Aribert Schwager
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Forschungsgesellschaft Umformtechnik mbH
Original Assignee
Forschungsgesellschaft Umformtechnik mbH
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.)
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Publication date
Application filed by Forschungsgesellschaft Umformtechnik mbH filed Critical Forschungsgesellschaft Umformtechnik mbH
Priority to DE200410017235 priority Critical patent/DE102004017235B4/en
Publication of DE102004017235A1 publication Critical patent/DE102004017235A1/en
Application granted granted Critical
Publication of DE102004017235B4 publication Critical patent/DE102004017235B4/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • B21D26/045—Closing or sealing means

Abstract

The tool has first (1) and second (2) halves with engraving (3) which in its closed position form a shape corresponding to that of the building part (B) and which have at least one sealing and closing element (4) to seal and close off the tube-shaped workpiece (W). The first half has a boring (5) to receive the sealing and closing element. The lengthwise axis of the boring is aligned with that of the workpiece. The division of the two halves comprises a first section (T1) which lies near the engraving along the workpiece axis and a second (T2) which bridges the area around the boring.
DE200410017235 2004-04-05 2004-04-05 Tool to make tube-shaped workpieces by inner high pressure formation has two halves which when closed form tube or workpiece shape with sealing/closing element and boring to accept said element Expired - Fee Related DE102004017235B4 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE200410017235 DE102004017235B4 (en) 2004-04-05 2004-04-05 Tool to make tube-shaped workpieces by inner high pressure formation has two halves which when closed form tube or workpiece shape with sealing/closing element and boring to accept said element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200410017235 DE102004017235B4 (en) 2004-04-05 2004-04-05 Tool to make tube-shaped workpieces by inner high pressure formation has two halves which when closed form tube or workpiece shape with sealing/closing element and boring to accept said element

Publications (2)

Publication Number Publication Date
DE102004017235A1 true DE102004017235A1 (en) 2005-10-20
DE102004017235B4 DE102004017235B4 (en) 2006-03-30

Family

ID=35034163

Family Applications (1)

Application Number Title Priority Date Filing Date
DE200410017235 Expired - Fee Related DE102004017235B4 (en) 2004-04-05 2004-04-05 Tool to make tube-shaped workpieces by inner high pressure formation has two halves which when closed form tube or workpiece shape with sealing/closing element and boring to accept said element

Country Status (1)

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DE (1) DE102004017235B4 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7946146B2 (en) 2006-10-02 2011-05-24 Fachhochschule Koeln Hydroforming apparatus

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3243790A1 (en) * 1982-11-26 1984-05-30 Vítkovice Žd'árské strojírny a slévárny, koncernový podnik, 59171 Žd'ár nad Sázavou Die for producing shaped pieces from tube sections

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3243790A1 (en) * 1982-11-26 1984-05-30 Vítkovice Žd'árské strojírny a slévárny, koncernový podnik, 59171 Žd'ár nad Sázavou Die for producing shaped pieces from tube sections

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7946146B2 (en) 2006-10-02 2011-05-24 Fachhochschule Koeln Hydroforming apparatus

Also Published As

Publication number Publication date
DE102004017235B4 (en) 2006-03-30

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8364 No opposition during term of opposition
8320 Willingness to grant licenses declared (paragraph 23)
R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee

Effective date: 20111101