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FR2361169A1 - Procede et dispositif de faconnage de fonds de recipients bombes - Google Patents

Procede et dispositif de faconnage de fonds de recipients bombes

Info

Publication number
FR2361169A1
FR2361169A1 FR7724482A FR7724482A FR2361169A1 FR 2361169 A1 FR2361169 A1 FR 2361169A1 FR 7724482 A FR7724482 A FR 7724482A FR 7724482 A FR7724482 A FR 7724482A FR 2361169 A1 FR2361169 A1 FR 2361169A1
Authority
FR
France
Prior art keywords
sheet
forming machine
support
pressure rollers
curved path
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
FR7724482A
Other languages
English (en)
Other versions
FR2361169B3 (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.)
HEAT EXCHANGERS AFRICA Ltd
Original Assignee
HEAT EXCHANGERS AFRICA Ltd
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 HEAT EXCHANGERS AFRICA Ltd filed Critical HEAT EXCHANGERS AFRICA Ltd
Publication of FR2361169A1 publication Critical patent/FR2361169A1/fr
Application granted granted Critical
Publication of FR2361169B3 publication Critical patent/FR2361169B3/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
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/14—Spinning
    • B21D22/18—Spinning using tools guided to produce the required profile
    • B21D22/185—Spinning using tools guided to produce the required profile making domed objects

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Abstract

Procédé de fabrication de fonds de récipients bombés, caractérisé par les opérations suivantes : disposant d'une feuille d'ébauche avec laquelle un fond de récipient bombé doit être fabriqué, monter cette feuille de façon qu'elle puisse tourner autour d'un axe transversal, prévoir que l'axe de rotation soit déplaçable, faire tourner la feuille autour de l'axe de rotation, déplacer la feuille de façon que l'axe de rotation soit déplacé, et déformer la feuille pour lui donner une forme bombée pendant qu'elle tourne autour de l'axe de rotation.
FR7724482A 1976-08-09 1977-08-09 Procede et dispositif de faconnage de fonds de recipients bombes Granted FR2361169A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA00764762A ZA764762B (en) 1976-08-09 1976-08-09 Manufacture of dished vessel ends

Publications (2)

Publication Number Publication Date
FR2361169A1 true FR2361169A1 (fr) 1978-03-10
FR2361169B3 FR2361169B3 (fr) 1980-07-11

Family

ID=25570602

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7724482A Granted FR2361169A1 (fr) 1976-08-09 1977-08-09 Procede et dispositif de faconnage de fonds de recipients bombes

Country Status (5)

Country Link
JP (1) JPS5330671A (fr)
BE (1) BE857599A (fr)
DE (2) DE7724624U1 (fr)
FR (1) FR2361169A1 (fr)
ZA (1) ZA764762B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5434567A (en) * 1977-08-24 1979-03-14 Mitsubishi Heavy Ind Ltd Method of treating exhaust gas from crematory
US4543113A (en) * 1984-08-10 1985-09-24 Minnesota Mining And Manufacturing Company Uniform minimum-permeability woven fabric, filter, and process therefor
CN102259142A (zh) * 2010-05-26 2011-11-30 陈万忠 一种生产大型、超厚封头的方法及设备
CN104550395A (zh) * 2015-01-09 2015-04-29 浙江章达轻工机械厂 封头旋边机以及采用封头旋边机旋压封头的方法
JP6896224B2 (ja) * 2017-05-24 2021-06-30 日産自動車株式会社 逐次成形方法及び逐次成形装置

Also Published As

Publication number Publication date
BE857599A (fr) 1978-02-09
DE7724624U1 (de) 1978-06-08
FR2361169B3 (fr) 1980-07-11
ZA764762B (en) 1978-01-25
JPS5330671A (en) 1978-03-23
DE2735662A1 (de) 1978-02-16

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Legal Events

Date Code Title Description
ST Notification of lapse