FR2425287A1 - Poincon d'emboutissage bombe a flancs droits, notamment pour la fabrication d'un coude - Google Patents

Poincon d'emboutissage bombe a flancs droits, notamment pour la fabrication d'un coude

Info

Publication number
FR2425287A1
FR2425287A1 FR7813655A FR7813655A FR2425287A1 FR 2425287 A1 FR2425287 A1 FR 2425287A1 FR 7813655 A FR7813655 A FR 7813655A FR 7813655 A FR7813655 A FR 7813655A FR 2425287 A1 FR2425287 A1 FR 2425287A1
Authority
FR
France
Prior art keywords
inserts
wrinkling
bending members
pipe bend
sheet metal
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
FR7813655A
Other languages
English (en)
Other versions
FR2425287B1 (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.)
BSL Bignier Schmidt Laurent SA
Original Assignee
BSL Bignier Schmidt Laurent SA
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 BSL Bignier Schmidt Laurent SA filed Critical BSL Bignier Schmidt Laurent SA
Priority to FR7813655A priority Critical patent/FR2425287A1/fr
Publication of FR2425287A1 publication Critical patent/FR2425287A1/fr
Application granted granted Critical
Publication of FR2425287B1 publication Critical patent/FR2425287B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/28—Making tube fittings for connecting pipes, e.g. U-pieces
    • B21C37/286—Making tube fittings for connecting pipes, e.g. U-pieces starting from sheet material
    • 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
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/01—Bending sheet metal along straight lines, e.g. to form simple curves between rams and anvils or abutments

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

L'INVENTION CONCERNE UN POINCON D'EMBOUTISSAGE BOMBE ET A FLANCS DROITS. LE POINCON 3 COMPORTE DES PIECES AMOVIBLES 5 QUI FOURNISSENT UNE PARTIE DU BOMBE ET DES FLANCS DU POINCON ET QUI PEUVENT COULISSER ENTRE UNE POSITION SORTIE OU ELLES SONT EN SAILLIES DANS LA DIRECTION D'EMBOUTISSAGE ET UNE POSITION RENTREE OU ELLES RECONSTITUENT LE POINCON. APPLICATION A LA FABRICATION DE COUDES AYANT UN GRAND RAPPORT DIAMETRE DU COUDEEPAISSEUR DE LA TOLE.
FR7813655A 1978-05-09 1978-05-09 Poincon d'emboutissage bombe a flancs droits, notamment pour la fabrication d'un coude Granted FR2425287A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7813655A FR2425287A1 (fr) 1978-05-09 1978-05-09 Poincon d'emboutissage bombe a flancs droits, notamment pour la fabrication d'un coude

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7813655A FR2425287A1 (fr) 1978-05-09 1978-05-09 Poincon d'emboutissage bombe a flancs droits, notamment pour la fabrication d'un coude

Publications (2)

Publication Number Publication Date
FR2425287A1 true FR2425287A1 (fr) 1979-12-07
FR2425287B1 FR2425287B1 (fr) 1982-06-04

Family

ID=9208026

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7813655A Granted FR2425287A1 (fr) 1978-05-09 1978-05-09 Poincon d'emboutissage bombe a flancs droits, notamment pour la fabrication d'un coude

Country Status (1)

Country Link
FR (1) FR2425287A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE392348C (de) * 1920-10-01 1924-03-20 Erzgebirgsche Schnittwerkzeug Verfahren und Vorrichtung zum Ziehen konischer Gegenstaende, wie Lampenschirme u. dgl.
US2312749A (en) * 1940-08-03 1943-03-02 Giles E Bullock Method of making thin sheet metal shells
US3302441A (en) * 1963-07-09 1967-02-07 Continental Can Co Die for deep drawn tapered container
FR2240778A1 (fr) * 1973-08-18 1975-03-14 Ferwagner Josef

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE392348C (de) * 1920-10-01 1924-03-20 Erzgebirgsche Schnittwerkzeug Verfahren und Vorrichtung zum Ziehen konischer Gegenstaende, wie Lampenschirme u. dgl.
US2312749A (en) * 1940-08-03 1943-03-02 Giles E Bullock Method of making thin sheet metal shells
US3302441A (en) * 1963-07-09 1967-02-07 Continental Can Co Die for deep drawn tapered container
FR2240778A1 (fr) * 1973-08-18 1975-03-14 Ferwagner Josef

Also Published As

Publication number Publication date
FR2425287B1 (fr) 1982-06-04

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Legal Events

Date Code Title Description
ST Notification of lapse