FR1267987A - Procédé de moulage en contre-dépouille - Google Patents

Procédé de moulage en contre-dépouille

Info

Publication number
FR1267987A
FR1267987A FR830473A FR830473A FR1267987A FR 1267987 A FR1267987 A FR 1267987A FR 830473 A FR830473 A FR 830473A FR 830473 A FR830473 A FR 830473A FR 1267987 A FR1267987 A FR 1267987A
Authority
FR
France
Prior art keywords
molding process
undercut molding
undercut
molding
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
FR830473A
Other languages
English (en)
Inventor
Edouard Gerard Marie Jose Sion
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 filed Critical
Priority to FR830473A priority Critical patent/FR1267987A/fr
Application granted granted Critical
Publication of FR1267987A publication Critical patent/FR1267987A/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
    • B29C33/48—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 with means for collapsing or disassembling
    • B29C33/50—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 with means for collapsing or disassembling elastic or flexible
    • B29C33/505—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 with means for collapsing or disassembling elastic or flexible cores or mandrels, e.g. inflatable
    • 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
    • B29C45/44—Removing or ejecting moulded articles for undercut articles
    • B29C45/4478—Removing or ejecting moulded articles for undercut articles using non-rigid undercut forming elements, e.g. elastic or resilient

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
FR830473A 1960-06-17 1960-06-17 Procédé de moulage en contre-dépouille Expired FR1267987A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR830473A FR1267987A (fr) 1960-06-17 1960-06-17 Procédé de moulage en contre-dépouille

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR830473A FR1267987A (fr) 1960-06-17 1960-06-17 Procédé de moulage en contre-dépouille

Publications (1)

Publication Number Publication Date
FR1267987A true FR1267987A (fr) 1961-07-28

Family

ID=8733745

Family Applications (1)

Application Number Title Priority Date Filing Date
FR830473A Expired FR1267987A (fr) 1960-06-17 1960-06-17 Procédé de moulage en contre-dépouille

Country Status (1)

Country Link
FR (1) FR1267987A (fr)

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