FR577624A - Device for the autofrettage of metal tubes by internal hydraulic pressure - Google Patents

Device for the autofrettage of metal tubes by internal hydraulic pressure

Info

Publication number
FR577624A
FR577624A FR577624DA FR577624A FR 577624 A FR577624 A FR 577624A FR 577624D A FR577624D A FR 577624DA FR 577624 A FR577624 A FR 577624A
Authority
FR
France
Prior art keywords
autofrettage
hydraulic pressure
metal tubes
internal hydraulic
internal
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
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.)
Schneider Electric SE
Original Assignee
Schneider et Cie
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 Schneider et Cie filed Critical Schneider et Cie
Application granted granted Critical
Publication of FR577624A publication Critical patent/FR577624A/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
    • B21D26/045—Closing or sealing means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P9/00—Treating or finishing surfaces mechanically, with or without calibrating, primarily to resist wear or impact, e.g. smoothing or roughening turbine blades or bearings; Features of such surfaces not otherwise provided for, their treatment being unspecified
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
    • C21D7/10—Modifying the physical properties of iron or steel by deformation by cold working of the whole cross-section, e.g. of concrete reinforcing bars
    • C21D7/12—Modifying the physical properties of iron or steel by deformation by cold working of the whole cross-section, e.g. of concrete reinforcing bars by expanding tubular bodies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A21/00—Barrels; Gun tubes; Muzzle attachments; Barrel mounting means
    • F41A21/20—Barrels or gun tubes characterised by the material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
FR577624D 1923-04-23 1923-04-23 Device for the autofrettage of metal tubes by internal hydraulic pressure Expired FR577624A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR577624T 1923-04-23

Publications (1)

Publication Number Publication Date
FR577624A true FR577624A (en) 1924-09-08

Family

ID=8954860

Family Applications (1)

Application Number Title Priority Date Filing Date
FR577624D Expired FR577624A (en) 1923-04-23 1923-04-23 Device for the autofrettage of metal tubes by internal hydraulic pressure

Country Status (1)

Country Link
FR (1) FR577624A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2415532A1 (en) * 1978-01-25 1979-08-24 Bbc Brown Boveri & Cie PROCESS FOR MAKING A NUT CYLINDER AND DEVICE FOR IMPLEMENTING THE PROCESS
EP0512160A2 (en) * 1991-05-10 1992-11-11 Rheinmetall Industrie GmbH Autofrettage for tubes

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2415532A1 (en) * 1978-01-25 1979-08-24 Bbc Brown Boveri & Cie PROCESS FOR MAKING A NUT CYLINDER AND DEVICE FOR IMPLEMENTING THE PROCESS
EP0512160A2 (en) * 1991-05-10 1992-11-11 Rheinmetall Industrie GmbH Autofrettage for tubes
EP0512160A3 (en) * 1991-05-10 1992-12-16 Rheinmetall Gmbh Autofrettage for tubes

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