CA2005971C - Stack molding apparatus - Google Patents

Stack molding apparatus

Info

Publication number
CA2005971C
CA2005971C CA002005971A CA2005971A CA2005971C CA 2005971 C CA2005971 C CA 2005971C CA 002005971 A CA002005971 A CA 002005971A CA 2005971 A CA2005971 A CA 2005971A CA 2005971 C CA2005971 C CA 2005971C
Authority
CA
Canada
Prior art keywords
pistons
melt
nozzles
discrete members
discrete
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
CA002005971A
Other languages
English (en)
French (fr)
Other versions
CA2005971A1 (en
Inventor
Raimund Friderich
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.)
Otto Maenner GmbH
Original Assignee
Otto Maenner GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6369733&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2005971(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Otto Maenner GmbH filed Critical Otto Maenner GmbH
Publication of CA2005971A1 publication Critical patent/CA2005971A1/en
Application granted granted Critical
Publication of CA2005971C publication Critical patent/CA2005971C/en
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
    • B29C45/26—Moulds
    • B29C45/27—Sprue channels ; Runner channels or runner nozzles
    • B29C45/28—Closure devices therefor
    • B29C45/2806—Closure devices therefor consisting of needle valve systems
    • 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
    • B29C45/26—Moulds
    • B29C45/32—Moulds having several axially spaced mould cavities, i.e. for making several separated articles
    • B29C45/322—Runner systems for distributing the moulding material to the stacked mould cavities
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/877—With flow control means for branched passages
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/877—With flow control means for branched passages
    • Y10T137/87708—With common valve operator
    • Y10T137/87764—Having fluid actuator

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)
  • Nozzles (AREA)
CA002005971A 1988-12-21 1989-12-19 Stack molding apparatus Expired - Lifetime CA2005971C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP3843037.1 1988-12-21
DE3843037A DE3843037C1 (enExample) 1988-12-21 1988-12-21

Publications (2)

Publication Number Publication Date
CA2005971A1 CA2005971A1 (en) 1990-06-21
CA2005971C true CA2005971C (en) 1998-04-28

Family

ID=6369733

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002005971A Expired - Lifetime CA2005971C (en) 1988-12-21 1989-12-19 Stack molding apparatus

Country Status (7)

Country Link
US (1) US5013235A (enExample)
EP (1) EP0374353B2 (enExample)
JP (1) JPH0761669B2 (enExample)
AT (1) ATE86541T1 (enExample)
CA (1) CA2005971C (enExample)
DE (2) DE3843037C1 (enExample)
ES (1) ES2039750T5 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5478230A (en) * 1994-04-13 1995-12-26 Caco Pacific Corporation Back-to-back valve gate system
US5533882A (en) * 1994-11-29 1996-07-09 Husky Injection Molding Systems Ltd. Hot runner valve gated system
DE29615042U1 (de) * 1996-08-29 1996-10-24 Schmale & Schulte GmbH, 58513 Lüdenscheid System eines Mehrfachfertigungswerkzeuges für Zink- und Magnesiumdruckguß sowie Kunststoff-Spritzguß
DE19757412C1 (de) * 1997-12-23 1999-02-25 Knauer Systec Eng Gmbh Nadelverschluß-Spritzgußwerkzeug
US6755641B1 (en) * 2000-09-01 2004-06-29 Mold-Masters Limited Stack injection molding apparatus with separately actuated arrays of valve gates
DE202006015283U1 (de) 2006-10-04 2008-02-14 Günther Heisskanaltechnik Gmbh Spritzgießvorrichtung mit Nadelverschlußdüsen in Rücken-an-Rücken-Anordnung
EP2670573A1 (en) * 2011-01-31 2013-12-11 Husky Injection Molding Systems S.A. Mold-tool system including actuation configured to move plate assemblies attached with valve-stem assemblies of runners
EP4450250A1 (en) 2023-04-19 2024-10-23 Inglass S.p.A. Injector body for injection molding and related mounting assembly

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3037245A (en) * 1958-12-08 1962-06-05 Darnell George Molding apparatus
FR2294041A1 (fr) * 1974-12-09 1976-07-09 Manceau Marcel Presse a injecter les matieres plastiques avec plateau intermediaire
JPS51136742A (en) * 1975-05-21 1976-11-26 Fuji Plastics Runnerless mold of hot runner type
CA1097872A (en) * 1978-12-08 1981-03-24 Jobst U. Gellert Injection molding valve pin actuator mechanism
US4212626A (en) * 1978-12-18 1980-07-15 Gellert Jobst U Stack injection molding melt transfer system
US4662837A (en) * 1985-03-18 1987-05-05 Husky Injection Molding Systems, Ltd. Apparatus for injection molding
US4832593A (en) * 1988-01-25 1989-05-23 Husky Injection Molding Systems Ltd. Large nozzle for hot runner mold

Also Published As

Publication number Publication date
EP0374353A2 (de) 1990-06-27
JPH02179717A (ja) 1990-07-12
DE58903733D1 (de) 1993-04-15
ATE86541T1 (de) 1993-03-15
JPH0761669B2 (ja) 1995-07-05
ES2039750T5 (es) 1996-12-01
EP0374353B2 (de) 1996-09-25
EP0374353A3 (de) 1991-01-09
ES2039750T3 (es) 1993-10-01
DE3843037C1 (enExample) 1990-05-31
EP0374353B1 (de) 1993-03-10
CA2005971A1 (en) 1990-06-21
US5013235A (en) 1991-05-07

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry