FR2076587A5 - Demoulding by air injection - through the punch in moulds without taper - Google Patents

Demoulding by air injection - through the punch in moulds without taper

Info

Publication number
FR2076587A5
FR2076587A5 FR7001987A FR7001987A FR2076587A5 FR 2076587 A5 FR2076587 A5 FR 2076587A5 FR 7001987 A FR7001987 A FR 7001987A FR 7001987 A FR7001987 A FR 7001987A FR 2076587 A5 FR2076587 A5 FR 2076587A5
Authority
FR
France
Prior art keywords
punch
walls
mould
taper
demoulding
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.)
Expired
Application number
FR7001987A
Other languages
English (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.)
PLASTIMONDE
Original Assignee
PLASTIMONDE
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 PLASTIMONDE filed Critical PLASTIMONDE
Priority to FR7001987A priority Critical patent/FR2076587A5/fr
Application granted granted Critical
Publication of FR2076587A5 publication Critical patent/FR2076587A5/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
    • B29C33/46—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles using fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/40—Removing or ejecting moulded articles
    • B29C45/43—Removing or ejecting moulded articles using fluid under pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Gas Exhaust Devices For Batteries (AREA)
  • Check Valves (AREA)
  • Toys (AREA)
FR7001987A 1970-01-20 1970-01-20 Demoulding by air injection - through the punch in moulds without taper Expired FR2076587A5 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7001987A FR2076587A5 (en) 1970-01-20 1970-01-20 Demoulding by air injection - through the punch in moulds without taper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7001987A FR2076587A5 (en) 1970-01-20 1970-01-20 Demoulding by air injection - through the punch in moulds without taper

Publications (1)

Publication Number Publication Date
FR2076587A5 true FR2076587A5 (en) 1971-10-15

Family

ID=9049332

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7001987A Expired FR2076587A5 (en) 1970-01-20 1970-01-20 Demoulding by air injection - through the punch in moulds without taper

Country Status (1)

Country Link
FR (1) FR2076587A5 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2395121A1 (fr) * 1977-06-23 1979-01-19 Vanotti Gerard Moule pour l'obtention d'elements tubulaires elastiques
EP0071343A1 (fr) * 1981-07-29 1983-02-09 J. Larry Underwood Procédé et dispositif de moulage par injection
FR2538751A1 (fr) * 1982-12-30 1984-07-06 Ferrand Claude Dispositif fonctionnel de formage pour films en resine synthetique
FR2649639A1 (fr) * 1989-07-13 1991-01-18 Sistac Sa B Dispositif pneumatique d'ejection pour moules d'injection thermoplastique

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2395121A1 (fr) * 1977-06-23 1979-01-19 Vanotti Gerard Moule pour l'obtention d'elements tubulaires elastiques
EP0071343A1 (fr) * 1981-07-29 1983-02-09 J. Larry Underwood Procédé et dispositif de moulage par injection
FR2538751A1 (fr) * 1982-12-30 1984-07-06 Ferrand Claude Dispositif fonctionnel de formage pour films en resine synthetique
EP0113303A1 (fr) * 1982-12-30 1984-07-11 Claude Ferrand Dispositif fonctionnel de formage pour film en résine synthetique
FR2649639A1 (fr) * 1989-07-13 1991-01-18 Sistac Sa B Dispositif pneumatique d'ejection pour moules d'injection thermoplastique

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Legal Events

Date Code Title Description
ST Notification of lapse