FR1344185A - Core with punch and two rocker arm systems, in particular for hollow molding with undercut - Google Patents

Core with punch and two rocker arm systems, in particular for hollow molding with undercut

Info

Publication number
FR1344185A
FR1344185A FR881429A FR881429A FR1344185A FR 1344185 A FR1344185 A FR 1344185A FR 881429 A FR881429 A FR 881429A FR 881429 A FR881429 A FR 881429A FR 1344185 A FR1344185 A FR 1344185A
Authority
FR
France
Prior art keywords
undercut
punch
core
rocker arm
hollow 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
FR881429A
Other languages
French (fr)
Inventor
Bernard Baumann
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 FR881429A priority Critical patent/FR1344185A/en
Priority to LU42819D priority patent/LU42819A1/xx
Priority to ES283185A priority patent/ES283185A1/en
Application granted granted Critical
Publication of FR1344185A publication Critical patent/FR1344185A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • B29C33/44Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
    • B29C33/48Moulds 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
    • B29C33/485Moulds 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 cores or mandrels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/40Removing or ejecting moulded articles
    • B29C45/44Removing or ejecting moulded articles for undercut articles
    • B29C45/4421Removing or ejecting moulded articles for undercut articles using expansible or collapsible cores
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B11/00Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
    • C03B11/06Construction of plunger or mould
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/712Containers; Packaging elements or accessories, Packages
    • B29L2031/7132Bowls, Cups, Glasses

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
FR881429A 1961-12-08 1961-12-08 Core with punch and two rocker arm systems, in particular for hollow molding with undercut Expired FR1344185A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR881429A FR1344185A (en) 1961-12-08 1961-12-08 Core with punch and two rocker arm systems, in particular for hollow molding with undercut
LU42819D LU42819A1 (en) 1961-12-08 1962-12-06
ES283185A ES283185A1 (en) 1961-12-08 1962-12-07 Improvements in molding nuclei (Machine-translation by Google Translate, not legally binding)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR881429A FR1344185A (en) 1961-12-08 1961-12-08 Core with punch and two rocker arm systems, in particular for hollow molding with undercut

Publications (1)

Publication Number Publication Date
FR1344185A true FR1344185A (en) 1963-11-29

Family

ID=8768368

Family Applications (1)

Application Number Title Priority Date Filing Date
FR881429A Expired FR1344185A (en) 1961-12-08 1961-12-08 Core with punch and two rocker arm systems, in particular for hollow molding with undercut

Country Status (3)

Country Link
ES (1) ES283185A1 (en)
FR (1) FR1344185A (en)
LU (1) LU42819A1 (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3373460A (en) * 1965-09-13 1968-03-19 Michael Ladney Jr. Molding apparatus
US3853299A (en) * 1971-09-25 1974-12-10 B Kessel Apparatus for producing tubing, especially from material suitable for injection molding
US4502659A (en) * 1983-12-21 1985-03-05 General Motors Corporation Collet-containing mold for undercut molding
DE3444879A1 (en) * 1983-12-29 1985-07-11 I.F.W. - Industrie-Formen und Werkzeugbau - Manfred Otte GmbH & Co KG, Micheldorf INJECTION MOLD
EP0484315A2 (en) * 1990-10-30 1992-05-06 Zahradnik, Rudolf Injection mould
EP0498102A1 (en) * 1991-02-07 1992-08-12 D & L INCORPORATED Universal internal core lifter apparatus
AT408086B (en) * 1990-12-21 2001-08-27 Karl Hauser Injection mould for producing hollow profiles
WO2014195644A1 (en) * 2013-06-06 2014-12-11 Pochet Du Courval Method for producing a glass container by pressing

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3373460A (en) * 1965-09-13 1968-03-19 Michael Ladney Jr. Molding apparatus
US3853299A (en) * 1971-09-25 1974-12-10 B Kessel Apparatus for producing tubing, especially from material suitable for injection molding
US4502659A (en) * 1983-12-21 1985-03-05 General Motors Corporation Collet-containing mold for undercut molding
DE3444879A1 (en) * 1983-12-29 1985-07-11 I.F.W. - Industrie-Formen und Werkzeugbau - Manfred Otte GmbH & Co KG, Micheldorf INJECTION MOLD
EP0484315A2 (en) * 1990-10-30 1992-05-06 Zahradnik, Rudolf Injection mould
EP0484315A3 (en) * 1990-10-30 1992-06-17 Zahradnik, Rudolf Injection mould
US5217731A (en) * 1990-10-30 1993-06-08 Rudolf Zahradnik Injection molding tool with retractable bead-forming segments
AT408086B (en) * 1990-12-21 2001-08-27 Karl Hauser Injection mould for producing hollow profiles
EP0498102A1 (en) * 1991-02-07 1992-08-12 D & L INCORPORATED Universal internal core lifter apparatus
WO2014195644A1 (en) * 2013-06-06 2014-12-11 Pochet Du Courval Method for producing a glass container by pressing
FR3006683A1 (en) * 2013-06-06 2014-12-12 Pochet Du Courval PROCESS FOR MANUFACTURING A GLASS CONTAINER
US9682881B2 (en) 2013-06-06 2017-06-20 Pochet Du Courval Method for producing a glass container by pressing

Also Published As

Publication number Publication date
LU42819A1 (en) 1963-02-06
ES283185A1 (en) 1963-02-16

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