NO117326B - - Google Patents

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Publication number
NO117326B
NO117326B NO155454A NO15545464A NO117326B NO 117326 B NO117326 B NO 117326B NO 155454 A NO155454 A NO 155454A NO 15545464 A NO15545464 A NO 15545464A NO 117326 B NO117326 B NO 117326B
Authority
NO
Norway
Prior art keywords
segments
pin
lma
inclined surfaces
lmo
Prior art date
Application number
NO155454A
Other languages
English (en)
Norwegian (no)
Inventor
H Lamb
Original Assignee
Ketch Plastics 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 Ketch Plastics Ltd filed Critical Ketch Plastics Ltd
Publication of NO117326B publication Critical patent/NO117326B/no

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
    • 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
    • B29C45/4421—Removing or ejecting moulded articles for undercut articles using expansible or collapsible cores
    • 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
    • B29C33/485—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 cores or mandrels
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2022/00—Hollow articles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/058—Undercut
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/218—Pipe machine: socket forming apparatus

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
NO155454A 1963-11-12 1964-11-05 NO117326B (en)van)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB44573/63A GB1045350A (en) 1963-11-12 1963-11-12 Collapsible tools for use in the moulding, casting or pressing of hollow articles

Publications (1)

Publication Number Publication Date
NO117326B true NO117326B (en)van) 1969-07-28

Family

ID=10433918

Family Applications (1)

Application Number Title Priority Date Filing Date
NO155454A NO117326B (en)van) 1963-11-12 1964-11-05

Country Status (8)

Country Link
US (1) US3339242A (en)van)
BE (1) BE655157A (en)van)
DE (1) DE1479374B2 (en)van)
DK (1) DK121200B (en)van)
GB (1) GB1045350A (en)van)
NL (1) NL6412871A (en)van)
NO (1) NO117326B (en)van)
SE (1) SE306824B (en)van)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3528637A (en) * 1965-08-24 1970-09-15 Microdot Inc Core set for molding a partial thread
US3387323A (en) * 1966-03-14 1968-06-11 Nyloncraft Inc Mold with core having thread forming portions
US3433292A (en) * 1966-05-25 1969-03-18 Gen Motors Corp Locking mechanism for diecasting
US3474999A (en) * 1967-06-28 1969-10-28 United States Pipe Foundry Apparatus for forming hollow plastic articles
DE1805597C3 (de) * 1968-10-24 1974-06-20 Mannesmann Ag, 4000 Duesseldorf Vorrichtung zum Anformen einer Muffe mit Ringnut am Ende eines Rohres aus thermoplastischem Kunststoff
US3677684A (en) * 1969-12-15 1972-07-18 Nat Distillers Chem Corp Apparatus for enlarging an extremity of a plastic pipe
BE789118A (fr) * 1971-09-25 1973-01-15 Kessel Bernhard Procede pour la realisation de tubes a partir de matieres a mouler par injection
AT328177B (de) * 1973-11-23 1976-03-10 Osterreichische Symalen Ges M Vorrichtung zur formung von muffen
US3865529A (en) * 1973-12-05 1975-02-11 Beatrice Foods Co Molding apparatus
US3940227A (en) * 1974-06-20 1976-02-24 Strasser Georg J Expansible mandrel
US4021180A (en) * 1974-12-20 1977-05-03 Standard Oil Company (Indiana) Collapsible core
JPS59366B2 (ja) * 1975-08-19 1984-01-06 株式会社クボタ ゴウセイジユシセイケイヨウカナガタ
NL188626C (nl) * 1977-10-27 1992-08-17 Geyer & Co Fa Spreidkern voor de vervaardiging van spuitdelen.
DK154332B (da) * 1977-10-31 1988-11-07 Geyer & Co Spredekerne til fremstilling af sproejtestoebte emner
AT359276B (de) * 1977-11-03 1980-10-27 Metallwarenfabrik Fischamend Kollabierender kern fuer giessformen
US4327051A (en) * 1978-07-06 1982-04-27 Plastiers Limited Method of molding gutter fittings
US4206799A (en) * 1978-12-11 1980-06-10 Mcdonald John W Oblique core locking mechanism for die casting machines
US4236883A (en) * 1979-07-05 1980-12-02 Nrm Corporation Tire press
JPS5812102B2 (ja) * 1980-01-10 1983-03-07 日産自動車株式会社 羽根状回転体のダイカスト鋳造法
JPS56118833A (en) * 1980-02-26 1981-09-18 Toshiba Mach Co Ltd Mold for forming
US4286766A (en) * 1980-04-18 1981-09-01 Holdt J W Von Collapsible mold core
US4383819A (en) * 1980-07-16 1983-05-17 Letica Corporation Apparatus for forming a container
CH654764A5 (de) * 1982-03-10 1986-03-14 Fischer Ag Georg Metallischer kernzug.
US4533312A (en) * 1982-12-27 1985-08-06 Holdt J W Von Simplified collapsible mold core
JPS59150715A (ja) * 1983-02-16 1984-08-29 Daiichi Gaiyaa Kk 金型部材
US4578028A (en) * 1984-12-06 1986-03-25 The Procter & Gamble Company Expandable core pin for blow-molding a container having a neck-portion with internal attachment means
US4929410A (en) * 1984-12-06 1990-05-29 The Procter & Gamble Company Method for blow-molding a container having a neck-portion with internal attachment means
DE3666178D1 (en) * 1985-08-30 1989-11-16 Clarke & Co Moulds Ltd R Collapsible mould core
DE3690679T1 (en)van) * 1986-01-24 1987-11-19
GB2189737A (en) * 1986-04-23 1987-11-04 Du Pont Heat weldable pipe fittings
DE3820084A1 (de) * 1988-06-02 1989-12-07 Hansjuergen Moeser Formwerkzeug zur herstellung von spritzteilen
NO166420C (no) * 1988-10-14 1991-07-31 Norske Stats Oljeselskap Ventil.
US5266137A (en) * 1992-11-10 1993-11-30 Hollingsworth Ritch D Rigid segmented mandrel with inflatable support
DE4320644C1 (de) * 1993-06-22 1994-10-13 Geyer Werkzeugbau Verfahren zur Entformung von Spritzgießhohlkörpern mit Hinterschneidungen in der Innenkontur und zugehöriger Formkern
US5833912A (en) * 1997-10-14 1998-11-10 Schweigert; Lothar Method of injection molding a container
US6099785A (en) * 1998-03-17 2000-08-08 Schweigert; Lothar Method for injection molding plastic closures
US6506330B1 (en) 1998-03-17 2003-01-14 Lothar Schweigert Apparatus and method for molding plastic closures
DE102006015767A1 (de) * 2006-04-04 2007-10-18 Kunststoff-Fröhlich GmbH Spritzgießform-Schiebereinrichtung
NL1044079B1 (en) * 2021-06-30 2023-01-09 Robert Van Dongen Antoine Mould
FR3151239A1 (fr) * 2023-07-20 2025-01-24 Safran Outillage pour le moulage de pièces de révolution avec compactage circonférentiel depuis la face interne d’une préforme

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1997074A (en) * 1930-01-24 1935-04-09 John Stogdell Stokes Method of and apparatus for molding synthetic resinous articles
US1921125A (en) * 1931-10-02 1933-08-08 Raymond Concrete Pile Co Mandrel
US1995485A (en) * 1932-07-29 1935-03-26 Gen Motors Corp Machine to countersink twenty holes in a wheel hub shell for short spokes
FR905388A (fr) * 1940-01-19 1945-12-03 Poinçon contractable pour travaux de moulage et analogues
US2263037A (en) * 1940-01-31 1941-11-18 Gits Molding Corp Method of and die for molding picture frames
US2654413A (en) * 1951-03-24 1953-10-06 Rohr Aircraft Corp Expansible mandrel
US2943667A (en) * 1957-10-14 1960-07-05 Arrowsmith Tool & Die Corp Expanding mandrel hydro-press
US3247548A (en) * 1962-05-28 1966-04-26 Roehr Metals & Plastics Compan Apparatus for making a molded article

Also Published As

Publication number Publication date
DE1479374A1 (de) 1969-04-30
GB1045350A (en) 1966-10-12
NL6412871A (en)van) 1965-05-13
SE306824B (en)van) 1968-12-09
DE1479374B2 (de) 1971-07-08
BE655157A (en)van) 1965-03-01
US3339242A (en) 1967-09-05
DK121200B (da) 1971-09-20

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