FR2039486A6 - Forming workpieces having multiple differ- - ing dia profiles - Google Patents

Forming workpieces having multiple differ- - ing dia profiles

Info

Publication number
FR2039486A6
FR2039486A6 FR6909551A FR6909551A FR2039486A6 FR 2039486 A6 FR2039486 A6 FR 2039486A6 FR 6909551 A FR6909551 A FR 6909551A FR 6909551 A FR6909551 A FR 6909551A FR 2039486 A6 FR2039486 A6 FR 2039486A6
Authority
FR
France
Prior art keywords
profiles
forming workpieces
dia
ing
differ
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.)
Expired
Application number
FR6909551A
Other languages
French (fr)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR6909551A priority Critical patent/FR2039486A6/en
Priority to US838152A priority patent/US3630056A/en
Priority to GB33053/69A priority patent/GB1279421A/en
Priority to CA055970A priority patent/CA919997A/en
Priority to DE1933494A priority patent/DE1933494C3/en
Application granted granted Critical
Publication of FR2039486A6 publication Critical patent/FR2039486A6/en
Expired legal-status Critical Current

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
    • B21D26/049—Deforming bodies having a closed end
    • 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
    • B21D15/00—Corrugating tubes
    • B21D15/04—Corrugating tubes transversely, e.g. helically
    • B21D15/10—Corrugating tubes transversely, e.g. helically by applying fluid pressure
    • 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
    • B21D26/047—Mould construction

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)

Abstract

Multiple grooved gullies are formed in a mould in which a number of successively active elements work. A first element is driven by the piston of a hydraulic jack and the others by a crown wheel working in an annular oil containing cavity, the oil being ejected via a throttle valve.
FR6909551A 1968-07-04 1969-04-09 Forming workpieces having multiple differ- - ing dia profiles Expired FR2039486A6 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR6909551A FR2039486A6 (en) 1969-04-09 1969-04-09 Forming workpieces having multiple differ- - ing dia profiles
US838152A US3630056A (en) 1968-07-04 1969-07-01 Method and assembly for the production by hydroforming of parts of large size, especially in length
GB33053/69A GB1279421A (en) 1968-07-04 1969-07-01 Process and apparatus for transforming a cylindrical cupped blank into a hollow metallic part
CA055970A CA919997A (en) 1968-07-04 1969-07-02 Method and assembly for the production by hydroforming of large sheet metal parts
DE1933494A DE1933494C3 (en) 1968-07-04 1969-07-02 Control device on a device for bulging hollow bodies made of metal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6909551A FR2039486A6 (en) 1969-04-09 1969-04-09 Forming workpieces having multiple differ- - ing dia profiles

Publications (1)

Publication Number Publication Date
FR2039486A6 true FR2039486A6 (en) 1971-01-15

Family

ID=9031566

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6909551A Expired FR2039486A6 (en) 1968-07-04 1969-04-09 Forming workpieces having multiple differ- - ing dia profiles

Country Status (1)

Country Link
FR (1) FR2039486A6 (en)

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Legal Events

Date Code Title Description
TP Transmission of property