FR2281180A2 - Procede et machine a retreindre pour pieces tubulaires, avec regulation de l'epaisseur - Google Patents

Procede et machine a retreindre pour pieces tubulaires, avec regulation de l'epaisseur

Info

Publication number
FR2281180A2
FR2281180A2 FR7427673A FR7427673A FR2281180A2 FR 2281180 A2 FR2281180 A2 FR 2281180A2 FR 7427673 A FR7427673 A FR 7427673A FR 7427673 A FR7427673 A FR 7427673A FR 2281180 A2 FR2281180 A2 FR 2281180A2
Authority
FR
France
Prior art keywords
machine
wall thickness
internal plug
controlled wall
radially contracting
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.)
Granted
Application number
FR7427673A
Other languages
English (en)
Other versions
FR2281180B2 (fr
Inventor
Pierre Cuq
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.)
Bpifrance Financement SA
Original Assignee
Agence National de Valorisation de la Recherche ANVAR
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 Agence National de Valorisation de la Recherche ANVAR filed Critical Agence National de Valorisation de la Recherche ANVAR
Priority to FR7427673A priority Critical patent/FR2281180A2/fr
Publication of FR2281180A2 publication Critical patent/FR2281180A2/fr
Application granted granted Critical
Publication of FR2281180B2 publication Critical patent/FR2281180B2/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J7/00—Hammers; Forging machines with hammers or die jaws acting by impact
    • B21J7/02—Special design or construction
    • B21J7/18—Forging machines working with die jaws, e.g. pivoted, movable laterally of the forging or pressing direction, e.g. for swaging
    • 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
    • B21D41/00—Application of procedures in order to alter the diameter of tube ends
    • B21D41/04—Reducing; Closing

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
FR7427673A 1974-08-09 1974-08-09 Procede et machine a retreindre pour pieces tubulaires, avec regulation de l'epaisseur Granted FR2281180A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7427673A FR2281180A2 (fr) 1974-08-09 1974-08-09 Procede et machine a retreindre pour pieces tubulaires, avec regulation de l'epaisseur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7427673A FR2281180A2 (fr) 1974-08-09 1974-08-09 Procede et machine a retreindre pour pieces tubulaires, avec regulation de l'epaisseur

Publications (2)

Publication Number Publication Date
FR2281180A2 true FR2281180A2 (fr) 1976-03-05
FR2281180B2 FR2281180B2 (fr) 1979-08-03

Family

ID=9142281

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7427673A Granted FR2281180A2 (fr) 1974-08-09 1974-08-09 Procede et machine a retreindre pour pieces tubulaires, avec regulation de l'epaisseur

Country Status (1)

Country Link
FR (1) FR2281180A2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0006137A1 (fr) * 1978-05-22 1980-01-09 Ex-Cell-O Corporation Appareil de formage à froid
EP0099256A3 (fr) * 1982-07-08 1986-03-19 Acco Babcock Inc. Appareils à estamper
WO2007137543A1 (fr) * 2006-05-26 2007-12-06 Müller Weingarten AG Dispositif et procédé pour produire des corps profilés

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0006137A1 (fr) * 1978-05-22 1980-01-09 Ex-Cell-O Corporation Appareil de formage à froid
EP0099256A3 (fr) * 1982-07-08 1986-03-19 Acco Babcock Inc. Appareils à estamper
WO2007137543A1 (fr) * 2006-05-26 2007-12-06 Müller Weingarten AG Dispositif et procédé pour produire des corps profilés
US8596104B2 (en) 2006-05-26 2013-12-03 Mueller Weingarten Ag Device and method for producing profiled bodies

Also Published As

Publication number Publication date
FR2281180B2 (fr) 1979-08-03

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