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)
French (fr)
Other versions
FR2413945B1 (en]
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)
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 (en]) 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 (en])

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 (de) * 1998-05-07 1999-11-10 Benteler Ag Verfahren zum Umformen eines Ausgangsrohrs mit kreisrundem Querschnitt in ein U-förmiges Profil und Vorrichtung zur Durchführung des Verfahrens

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 (de) * 1998-05-07 1999-11-10 Benteler Ag Verfahren zum Umformen eines Ausgangsrohrs mit kreisrundem Querschnitt in ein U-förmiges Profil und Vorrichtung zur Durchführung des Verfahrens
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 (en]) 1982-04-23

Similar Documents

Publication Publication Date Title
ZA795917B (en) Structural assembly, method of forming same and elongated panel structure resulting therefrom
IT1095332B (it) Lega per l'estrusione delle palette di una turbina a gas,paletta composita comprendente tale estremita'e metodo per il suo ottenimento
AU527916B2 (en) Bis-esters of methanediol with acetonides of ampicilli or amoxicillin and penicillanic acid 1,1-dioxide
EP0377947A3 (en) Extruding die for metallic materials
JPS5470592A (en) Fender
ES339249A1 (es) Procedimiento y aparato para hacer una union segura entre una parte de peldano y una parte de carril en una escalera resistente a los esfuerzos y a las deformaciones.
FR2413945A1 (fr) Procede de reduction de la section d'un tube metallique ovale et tube obtenu par ce procede
EP0289166A3 (en) Lead straightening for leaded packaged electronic components
GB2000525A (en) Aluminum desmutting agent
GB922794A (en) Improvements in or relating to a method of direct extrusion
ES8103339A1 (es) Procedimiento para la fabricacion de un perfil compuesto ca-lorifugado.
FR2310464A1 (fr) Perfectionnements aux echelles metalliques
SE8202967L (sv) Plugg till tubformad kerna
Bucklow et al. Method of Manufacturing Containers
NO141572C (no) Strekkopptagende skjoetehylse for wirer, hoeytspenningsliner o.l., beregnet til aa komprimeres rundt endene av wirene eller linene ved bruk av et eksplosiv
Unkefer Hakka Chinese tones: an acoustic and perceptual study
Osada Determining the Discrete-Step Strain Factor in Periodic Tube Rolling
JPS5545952A (en) Upright qurywall
IT1206266B (it) Dispositivo e procedimento per eseguire le connessioni fra piuoli e montanti di scale a piuoli nonche'connessioni di altri organi strutturali
GB1506157A (en) Energy absorbing devices
ES2004101A6 (es) Una escalera y un metodo para unir una parte de extremidad de un peldano tubular de escalera a un larguero lateral de escalera
DE3689581D1 (de) Kochextruder.
KR880013633A (ko) 금속박관의 단부직경 감축방법
Atanasin The Dynamics of Drawing Aluminium Alloy Tubes on an Ultrasonics-Excited Plug
JPS5666330A (en) Fixing method for pipe

Legal Events

Date Code Title Description
ST Notification of lapse