AT331599B - Aufweitbarer dorn - Google Patents

Aufweitbarer dorn

Info

Publication number
AT331599B
AT331599B AT719274A AT719274A AT331599B AT 331599 B AT331599 B AT 331599B AT 719274 A AT719274 A AT 719274A AT 719274 A AT719274 A AT 719274A AT 331599 B AT331599 B AT 331599B
Authority
AT
Austria
Prior art keywords
thorn
expandable
expandable thorn
Prior art date
Application number
AT719274A
Other languages
English (en)
Other versions
ATA719274A (de
Original Assignee
Pneumatiques Caoutchouc Mfg
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 Pneumatiques Caoutchouc Mfg filed Critical Pneumatiques Caoutchouc Mfg
Publication of ATA719274A publication Critical patent/ATA719274A/de
Application granted granted Critical
Publication of AT331599B publication Critical patent/AT331599B/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
    • B21D9/00—Bending tubes using mandrels or the like
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T279/00—Chucks or sockets
    • Y10T279/10—Expanding
    • Y10T279/1021—Fluid-pressure actuator
    • Y10T279/1024—Directly expanding jaws
    • Y10T279/1029—Jaw is expansible chamber; i.e., bladder type

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Laminated Bodies (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
AT719274A 1973-10-17 1974-09-06 Aufweitbarer dorn AT331599B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7337152A FR2248095B1 (de) 1973-10-17 1973-10-17

Publications (2)

Publication Number Publication Date
ATA719274A ATA719274A (de) 1975-11-15
AT331599B true AT331599B (de) 1976-08-25

Family

ID=9126582

Family Applications (1)

Application Number Title Priority Date Filing Date
AT719274A AT331599B (de) 1973-10-17 1974-09-06 Aufweitbarer dorn

Country Status (10)

Country Link
US (1) US3910098A (de)
AT (1) AT331599B (de)
BE (1) BE821192A (de)
CA (1) CA1018049A (de)
DE (1) DE2449221A1 (de)
FR (1) FR2248095B1 (de)
GB (1) GB1482455A (de)
IT (1) IT1020762B (de)
LU (1) LU71104A1 (de)
NL (1) NL7412770A (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2421689A1 (fr) * 1978-04-04 1979-11-02 Gruere Charles Mandrin hydraulique de cintrage de conduits
US4368996A (en) * 1980-02-02 1983-01-18 The United States Of America As Represented By The United States Department Of Energy Penetrameter positioner for bore-side radiography of tubes
US4493203A (en) * 1983-01-26 1985-01-15 Crutcher Resources Corporation Resilient internal mandrel
EP0195408A3 (de) * 1985-03-21 1987-04-29 Aluminum Company Of America Flexibler Dorn zum Biegen hohler Gegenstände
DK361785D0 (da) * 1985-08-08 1985-08-08 Aalborg Portland Cement Formet genstand
DE3701612A1 (de) * 1987-01-21 1988-08-04 Benteler Werke Ag Verfahren zum biegen von rohren und stuetzdorn zur durchfuehrung des verfahrens
DE19531211A1 (de) * 1995-08-24 1997-02-27 Schunk Fritz Gmbh Spannwerkzeug mit Dehnhülse
DE19931861A1 (de) * 1999-07-09 2001-03-15 Hainbuch Gmbh Spannende Tech Spannvorrichtung, insbesondere für hohle, dünnwandige Werkstücke
US7469907B2 (en) * 2004-11-10 2008-12-30 Hydra-Lock Corporation Mechanically actuated workpiece holder including a plastic collet
US7331583B1 (en) 2004-12-22 2008-02-19 Hydra-Lock Corporation Workpiece holder with a multi-piece bladder
US7316403B2 (en) * 2004-12-22 2008-01-08 Hydra Lock Corp Hydrostatic workpiece holder with a removable cartridge assembly
DE102010007501B4 (de) 2010-02-11 2021-07-15 Eberspächer Exhaust Technology GmbH & Co. KG Rohrstabilisierungsvorrichtung und Biegeverfahren unter Verwendung der Rohrstabilisierungsvorrichtung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2446281A (en) * 1944-05-11 1948-08-03 Us Rubber Co Corrugated tube manufacture
US2568848A (en) * 1950-05-20 1951-09-25 Wingfoot Corp Method of making air bag for use in high-frequency electrical vulcanization
US3180130A (en) * 1962-04-09 1965-04-27 Crose Perrault Equipment Corp Mandrel for preventing wrinkling of pipes during bending thereof
US3825167A (en) * 1972-12-26 1974-07-23 A Komorek Expanding mandrel or chuck
US3834169A (en) * 1973-07-11 1974-09-10 Brown & Root Method and apparatus for laying large diameter pipeline segments offshore

Also Published As

Publication number Publication date
GB1482455A (en) 1977-08-10
LU71104A1 (de) 1975-04-17
BE821192A (fr) 1975-04-17
FR2248095B1 (de) 1978-10-27
ATA719274A (de) 1975-11-15
CA1018049A (en) 1977-09-27
DE2449221A1 (de) 1975-04-24
FR2248095A1 (de) 1975-05-16
US3910098A (en) 1975-10-07
IT1020762B (it) 1977-12-30
NL7412770A (nl) 1975-04-21

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee