AT354224B - PROCESS AND DEVICE FOR CONICAL EXPANSION OF METAL TUBES - Google Patents

PROCESS AND DEVICE FOR CONICAL EXPANSION OF METAL TUBES

Info

Publication number
AT354224B
AT354224B AT339478A AT339478A AT354224B AT 354224 B AT354224 B AT 354224B AT 339478 A AT339478 A AT 339478A AT 339478 A AT339478 A AT 339478A AT 354224 B AT354224 B AT 354224B
Authority
AT
Austria
Prior art keywords
metal tubes
conical expansion
conical
expansion
tubes
Prior art date
Application number
AT339478A
Other languages
German (de)
Other versions
ATA339478A (en
Original Assignee
M E P A G Metall Und Plastik G
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 M E P A G Metall Und Plastik G filed Critical M E P A G Metall Und Plastik G
Priority to AT339478A priority Critical patent/AT354224B/en
Priority to DE7979101119T priority patent/DE2960043D1/en
Priority to EP19790101119 priority patent/EP0005194B1/en
Publication of ATA339478A publication Critical patent/ATA339478A/en
Application granted granted Critical
Publication of AT354224B publication Critical patent/AT354224B/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
    • B21D26/033—Deforming tubular bodies
    • 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
    • B21C37/16—Making tubes with varying diameter in longitudinal direction
    • B21C37/18—Making tubes with varying diameter in longitudinal direction conical tubes
    • 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
    • B21D51/00—Making hollow objects
    • B21D51/02—Making hollow objects characterised by the structure of the objects
    • B21D51/10—Making hollow objects characterised by the structure of the objects conically or cylindrically shaped objects
AT339478A 1978-05-10 1978-05-10 PROCESS AND DEVICE FOR CONICAL EXPANSION OF METAL TUBES AT354224B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT339478A AT354224B (en) 1978-05-10 1978-05-10 PROCESS AND DEVICE FOR CONICAL EXPANSION OF METAL TUBES
DE7979101119T DE2960043D1 (en) 1978-05-10 1979-04-12 Method and apparatus for the conical expanding of metal tubes
EP19790101119 EP0005194B1 (en) 1978-05-10 1979-04-12 Method and apparatus for the conical expanding of metal tubes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT339478A AT354224B (en) 1978-05-10 1978-05-10 PROCESS AND DEVICE FOR CONICAL EXPANSION OF METAL TUBES

Publications (2)

Publication Number Publication Date
ATA339478A ATA339478A (en) 1979-05-15
AT354224B true AT354224B (en) 1979-12-27

Family

ID=3549874

Family Applications (1)

Application Number Title Priority Date Filing Date
AT339478A AT354224B (en) 1978-05-10 1978-05-10 PROCESS AND DEVICE FOR CONICAL EXPANSION OF METAL TUBES

Country Status (3)

Country Link
EP (1) EP0005194B1 (en)
AT (1) AT354224B (en)
DE (1) DE2960043D1 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2731827A (en) * 1956-01-24 loomis
FR2046012A5 (en) * 1969-03-18 1971-03-05 Scalgp

Also Published As

Publication number Publication date
DE2960043D1 (en) 1981-02-05
EP0005194A2 (en) 1979-11-14
ATA339478A (en) 1979-05-15
EP0005194B1 (en) 1980-11-12
EP0005194A3 (en) 1979-12-12

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Legal Events

Date Code Title Description
ELA Expired due to lapse of time
ELJ Ceased due to non-payment of the annual fee
ELA Expired due to lapse of time