ES2050901T3 - Parte de molde de fundicion a presion. - Google Patents

Parte de molde de fundicion a presion.

Info

Publication number
ES2050901T3
ES2050901T3 ES90117053T ES90117053T ES2050901T3 ES 2050901 T3 ES2050901 T3 ES 2050901T3 ES 90117053 T ES90117053 T ES 90117053T ES 90117053 T ES90117053 T ES 90117053T ES 2050901 T3 ES2050901 T3 ES 2050901T3
Authority
ES
Spain
Prior art keywords
mold
cast
injection
molds
drill
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 - Lifetime
Application number
ES90117053T
Other languages
English (en)
Inventor
Ernst Pfannkuchen
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.)
Verwaltungsgesellschaft Geiger Plastic GmbH and Co KG
Original Assignee
Verwaltungsgesellschaft Geiger Plastic GmbH and Co KG
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
Priority claimed from DE8911864U external-priority patent/DE8911864U1/de
Application filed by Verwaltungsgesellschaft Geiger Plastic GmbH and Co KG filed Critical Verwaltungsgesellschaft Geiger Plastic GmbH and Co KG
Application granted granted Critical
Publication of ES2050901T3 publication Critical patent/ES2050901T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • B29C45/4471—Removing or ejecting moulded articles for undercut articles using flexible or pivotable undercut forming elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20—Accessories: Details
    • B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20—Accessories: Details
    • B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
    • B22D17/2236—Equipment for loosening or ejecting castings from dies
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)

Abstract

EL INVENTO SE REFIERE A UNA PIEZA DE MOLDE DE FUNDICION POR INYECCION QUE SE COLOCA EN UN MOLDE DE INYECCION Y QUE PERMITE EL MOLDEO Y UNA DEFORMACION SIMPLE Y SEGURA DE SALIENTES, EN ESPECIAL DE VARIOS SALIENTES MUY JUNTOS Y FUERA DE LOS NIVELES DE SEPARACION DE MOLDES. PARA ELLO SE PROPONE QUE EL MOLDE (12) SE COMPONGA DE SEGMENTOS (13) QUE SE ENCUENTRAN EN UN TALADRO QUE LAS GUIA Y MANTENGA JUNTOS EN ESTADO DE FUNCION POR INYECCION Y QUE LOS SEGMENTOS JUNTOS FORMEN EN UNO DE SUS EXTREMOS UN NIDO DE MOLDES Y QUE SE ENCUENTRE EN LA ZONA DEL EXTREMO OPUESTO EN UN PERNO DE MANDO CENTRAL (11) DE FORMA GIRATORIA, ASI QUE SE ABRAN AL HABER UN MOVIMIENTO RELATIVO ENTRE EL PERNO DE MANDO (11) Y EL TALADRO.
ES90117053T 1989-10-05 1990-09-05 Parte de molde de fundicion a presion. Expired - Lifetime ES2050901T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8911864U DE8911864U1 (de) 1989-10-05 1989-10-05 Druckgussformzusatzteil
DE4011784A DE4011784C2 (de) 1989-10-05 1990-04-12 Formwerkzeug

Publications (1)

Publication Number Publication Date
ES2050901T3 true ES2050901T3 (es) 1994-06-01

Family

ID=25892127

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90117053T Expired - Lifetime ES2050901T3 (es) 1989-10-05 1990-09-05 Parte de molde de fundicion a presion.

Country Status (4)

Country Link
US (1) US5090888A (es)
EP (1) EP0421136B1 (es)
DE (1) DE4011784C2 (es)
ES (1) ES2050901T3 (es)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2156516A1 (es) * 1998-12-28 2001-06-16 Pruna Alberto Navarra Expulsor expansible para moldes de inyeccion.
WO2016131994A1 (es) * 2015-02-18 2016-08-25 Sna Europe Industries Iberia, S.A. Molde, pieza, sistema y método para objetos con hendiduras u oquedades

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5387389A (en) * 1993-12-23 1995-02-07 Roehr Tool Corporation Injection molding method and system with expandable cavity element
US5540582A (en) * 1993-12-10 1996-07-30 Roehr Tool Corporation Expandable cavity core element for use in an injection molding system
DE29513203U1 (de) * 1995-08-17 1996-12-12 Strack-Norma GmbH, 42117 Wuppertal Spritzgießwerkzeug
DE59704646D1 (de) * 1996-08-21 2001-10-25 Schoettli Ag Diessenhofen Spritzgiesswerkzeug zur Herstellung von Drehverschlüssen
WO2008054319A2 (en) * 2006-11-01 2008-05-08 Mueller Hans Device at collapsible core, preferably at injection moulding tool for plastic material, silicone, rubber and similar material
US7530807B2 (en) * 2007-01-30 2009-05-12 Yu-Pei Ho Mold structure with an ejecting tube for ejecting a molded product and permitting airflow
US7981347B2 (en) * 2008-10-28 2011-07-19 The Procter And Gamble Company Carrier mold
US7740787B2 (en) * 2008-10-28 2010-06-22 The Procter & Gamble Company Flexible carrier mold
US8038433B2 (en) * 2009-02-27 2011-10-18 Progressive Components International Corporation Expandable cavity for injection molding tool
US8033810B2 (en) * 2009-06-17 2011-10-11 Progressive Components International Corporation Lock for core assembly for injection molding tool
JP5506603B2 (ja) * 2010-08-27 2014-05-28 株式会社ショーワ 金型装置
DE102012021886B3 (de) * 2012-11-07 2013-11-14 Audi Ag Druckgießwerkzeug mit Schieber und darin integriertem Nachverdichter und gemeinsamen Antrieb für Schieber und Nachverdichter
US9278388B2 (en) * 2012-11-29 2016-03-08 Metallfabriken Ljunghall Ab Process for the manufacturing of a thin-walled article in metal
JP6836774B2 (ja) * 2016-11-28 2021-03-03 株式会社テクノクラーツ アンダーカット処理機構、成形用金型
CN110744030B (zh) * 2019-11-05 2021-10-19 杭州杭富锅炉成套设备有限公司 一种锅炉管道小半径的制作方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR889742A (fr) * 1940-06-08 1944-01-18 Moule divisé pour la coulée par injection (coulée sous pression) d'objets moulés présentant des évidements postérieurs
US3618170A (en) * 1969-07-14 1971-11-09 Edward W Owens Apparatus for molding plastic closures
US3642417A (en) * 1970-04-29 1972-02-15 Holdt J W Von Release apparatus for diecasting assembly
GB1422705A (en) * 1972-02-01 1976-01-28 Tupperware Australia Pty Ltd Moulding apparatus
DE2612151A1 (de) * 1976-03-23 1977-10-06 Formenbau Und Plastik Gmbh Formeinsatz fuer ein spritzgusswerkzeug
US4130264A (en) * 1977-10-26 1978-12-19 Geyer & Co. Expandable core for injection molding
JPS5638238A (en) * 1979-09-05 1981-04-13 Toshiba Mach Co Ltd Metal mold
US4456214A (en) * 1981-04-06 1984-06-26 Roehr Tool Corporation Molding apparatus with positive collapse core
US4412806A (en) * 1981-05-15 1983-11-01 The Broadway Companies, Inc. Parison ejector for an injection molding apparatus
JPS59150715A (ja) * 1983-02-16 1984-08-29 Daiichi Gaiyaa Kk 金型部材
AR245671A1 (es) * 1984-08-15 1994-02-28 American Safety Closure Perfeccionamientos en tapones de material plastico a prueba de manipulaciones indebidas.
NZ217279A (en) * 1985-08-30 1988-06-30 Clarke R & Co Ltd Collapsible mould core
US4956142A (en) * 1989-05-08 1990-09-11 Mangone Peter G Jr Apparatus and method for molding three dimensional articles

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2156516A1 (es) * 1998-12-28 2001-06-16 Pruna Alberto Navarra Expulsor expansible para moldes de inyeccion.
WO2016131994A1 (es) * 2015-02-18 2016-08-25 Sna Europe Industries Iberia, S.A. Molde, pieza, sistema y método para objetos con hendiduras u oquedades

Also Published As

Publication number Publication date
DE4011784C2 (de) 1993-12-23
EP0421136A3 (en) 1991-10-23
EP0421136A2 (de) 1991-04-10
US5090888A (en) 1992-02-25
DE4011784A1 (de) 1991-04-18
EP0421136B1 (de) 1994-03-02

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