CH515757A - Device for expanding elongated, straight or curved, hollow workpieces by means of pressure waves - Google Patents

Device for expanding elongated, straight or curved, hollow workpieces by means of pressure waves

Info

Publication number
CH515757A
CH515757A CH1402269A CH1402269A CH515757A CH 515757 A CH515757 A CH 515757A CH 1402269 A CH1402269 A CH 1402269A CH 1402269 A CH1402269 A CH 1402269A CH 515757 A CH515757 A CH 515757A
Authority
CH
Switzerland
Prior art keywords
curved
straight
pressure waves
hollow workpieces
expanding
Prior art date
Application number
CH1402269A
Other languages
German (de)
Inventor
Haeusler Jochen Dr Dipl-Ing
Maerz Guenter
Seiffert Helmut
Original Assignee
Siemens 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 Siemens Ag filed Critical Siemens Ag
Publication of CH515757A publication Critical patent/CH515757A/en

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
    • B21D26/06—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 by shock waves
    • B21D26/10—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 by shock waves generated by evaporation, e.g. of wire, of liquids
CH1402269A 1968-11-15 1969-09-17 Device for expanding elongated, straight or curved, hollow workpieces by means of pressure waves CH515757A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681809098 DE1809098A1 (en) 1968-11-15 1968-11-15 Device for processing elongated, straight or curved closed workpieces by means of pressure waves

Publications (1)

Publication Number Publication Date
CH515757A true CH515757A (en) 1971-11-30

Family

ID=5713418

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1402269A CH515757A (en) 1968-11-15 1969-09-17 Device for expanding elongated, straight or curved, hollow workpieces by means of pressure waves

Country Status (5)

Country Link
US (1) US3852985A (en)
AT (1) AT298206B (en)
CH (1) CH515757A (en)
DE (1) DE1809098A1 (en)
GB (1) GB1292290A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0043672A2 (en) * 1980-07-07 1982-01-13 Matija Cenanovic Pipe repair methods and apparatus using an electromagnetically exploded filament
US4635840A (en) * 1980-07-07 1987-01-13 Matija Cenanovic Forming method using an electromagnetically exploded filament

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4030329A (en) * 1976-07-12 1977-06-21 Viktor Nikolaevich Chachin Device for electrical discharge forming
US20040255463A1 (en) * 2003-06-20 2004-12-23 Kiehl Mark W. Method of manufacturing a vehicle frame component by high velocity hydroforming
US20060108783A1 (en) * 2004-11-24 2006-05-25 Chi-Mou Ni Structural assembly for vehicles and method of making same
GB0618977D0 (en) * 2006-09-27 2006-11-08 Rolls Royce Plc Peening
GB0920009D0 (en) * 2009-11-17 2009-12-30 Rolls Royce Plc A method and an apparatus for prestressing components by electrical discharge
US8534107B2 (en) * 2011-06-10 2013-09-17 Ford Global Technologies, Llc Method and apparatus for pulsed forming, punching and trimming of tubular members
FR2987288B1 (en) * 2012-02-29 2014-03-21 Adm28 S Ar L HEAD OF AN ELECTROHYDRAULIC WIRE DISCHARGE DEVICE

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3203212A (en) * 1963-03-01 1965-08-31 Lockheed Aircraft Corp Explosive forming by electrical discharge method and apparatus
US3418835A (en) * 1966-04-26 1968-12-31 Continental Can Co Fluid lubricated electrohydraulic body separating and forming
US3593551A (en) * 1968-09-25 1971-07-20 Continental Can Co Electrohydraulic transducers

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0043672A2 (en) * 1980-07-07 1982-01-13 Matija Cenanovic Pipe repair methods and apparatus using an electromagnetically exploded filament
EP0043672A3 (en) * 1980-07-07 1982-04-14 Matija Cenanovic Pipe repair methods and apparatus using an electromagnetically exploded filament
US4635840A (en) * 1980-07-07 1987-01-13 Matija Cenanovic Forming method using an electromagnetically exploded filament

Also Published As

Publication number Publication date
US3852985A (en) 1974-12-10
DE1809098B2 (en) 1971-01-07
DE1809098A1 (en) 1970-06-25
GB1292290A (en) 1972-10-11
AT298206B (en) 1972-04-25

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Legal Events

Date Code Title Description
PL Patent ceased