FR2413945A1 - Procede de reduction de la section d'un tube metallique ovale et tube obtenu par ce procede - Google Patents

Procede de reduction de la section d'un tube metallique ovale et tube obtenu par ce procede

Info

Publication number
FR2413945A1
FR2413945A1 FR7800145A FR7800145A FR2413945A1 FR 2413945 A1 FR2413945 A1 FR 2413945A1 FR 7800145 A FR7800145 A FR 7800145A FR 7800145 A FR7800145 A FR 7800145A FR 2413945 A1 FR2413945 A1 FR 2413945A1
Authority
FR
France
Prior art keywords
wall thickness
reduction process
tube section
principal axis
section reduction
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
FR7800145A
Other languages
English (en)
Other versions
FR2413945B1 (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.)
ABA ETS
Original Assignee
ABA ETS
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 ABA ETS filed Critical ABA ETS
Priority to FR7800145A priority Critical patent/FR2413945A1/fr
Publication of FR2413945A1 publication Critical patent/FR2413945A1/fr
Application granted granted Critical
Publication of FR2413945B1 publication Critical patent/FR2413945B1/fr
Granted 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
    • B21D41/00—Application of procedures in order to alter the diameter of tube ends
    • B21D41/04—Reducing; Closing
    • B21D41/045—Closing

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)

Abstract

L'INVENTION CONCERNE UN PROCEDE DE REDUCTION DE LA SECTION D'UN TUBE METALLIQUE DE SECTION OVALE. CE PROCEDE CONSISTE A ENFONCER LE TUBE, SUR UNE PARTIE DE SA LONGUEUR, SUIVANT L'UNE OU LES DEUX GENERATRICES SITUEES DANS LE GRAND PLAN AXIAL DU TUBE DE SECTION OVALE, DE FACON QUE LA GRANDE LARGEUR DU TUBE SOIT REDUITE D'AU MOINS DE MOITIE ET QUE SA PETITE LARGEUR RESTE SENSIBLEMENT INCHANGEE. APPLICATION A LA REDUCTION DE LA SECTION DES MONTANTS D'ESCABEAU POUR UNE BONNE PREHENSION.
FR7800145A 1978-01-04 1978-01-04 Procede de reduction de la section d'un tube metallique ovale et tube obtenu par ce procede Granted FR2413945A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7800145A FR2413945A1 (fr) 1978-01-04 1978-01-04 Procede de reduction de la section d'un tube metallique ovale et tube obtenu par ce procede

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7800145A FR2413945A1 (fr) 1978-01-04 1978-01-04 Procede de reduction de la section d'un tube metallique ovale et tube obtenu par ce procede

Publications (2)

Publication Number Publication Date
FR2413945A1 true FR2413945A1 (fr) 1979-08-03
FR2413945B1 FR2413945B1 (fr) 1982-04-23

Family

ID=9203120

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7800145A Granted FR2413945A1 (fr) 1978-01-04 1978-01-04 Procede de reduction de la section d'un tube metallique ovale et tube obtenu par ce procede

Country Status (1)

Country Link
FR (1) FR2413945A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2621086A1 (fr) * 1987-09-29 1989-03-31 Ricard Coffrages Procede de fixation de pieds metalliques tubulaires, et articles munis de pieds repliables fixes suivant ce procede
EP0955107A1 (fr) * 1998-05-07 1999-11-10 Benteler Ag Procédé de déformation d'un tube de départ à section circulaire dans un profilé en forme de U et dispositif pour la réalisation dudit procédé

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2621086A1 (fr) * 1987-09-29 1989-03-31 Ricard Coffrages Procede de fixation de pieds metalliques tubulaires, et articles munis de pieds repliables fixes suivant ce procede
EP0955107A1 (fr) * 1998-05-07 1999-11-10 Benteler Ag Procédé de déformation d'un tube de départ à section circulaire dans un profilé en forme de U et dispositif pour la réalisation dudit procédé
CZ297046B6 (cs) * 1998-05-07 2006-08-16 Benteler Ag Zpusob pretvárení výchozí trubky s kruhovým prurezem na profil ve tvaru "U" a zarízení k provádení tohoto zpusobu

Also Published As

Publication number Publication date
FR2413945B1 (fr) 1982-04-23

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Legal Events

Date Code Title Description
ST Notification of lapse