BRPI0518393A2 - bocal e aparelho para controle de fluxo de material em fusço nos condutos de um conjunto de molde - Google Patents

bocal e aparelho para controle de fluxo de material em fusço nos condutos de um conjunto de molde

Info

Publication number
BRPI0518393A2
BRPI0518393A2 BRPI0518393-6A BRPI0518393A BRPI0518393A2 BR PI0518393 A2 BRPI0518393 A2 BR PI0518393A2 BR PI0518393 A BRPI0518393 A BR PI0518393A BR PI0518393 A2 BRPI0518393 A2 BR PI0518393A2
Authority
BR
Brazil
Prior art keywords
nozzle
valve pin
mold assembly
flow
melt
Prior art date
Application number
BRPI0518393-6A
Other languages
English (en)
Inventor
Fred Steil
Trevor Pruden
Original Assignee
Dme Co
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 Dme Co filed Critical Dme Co
Publication of BRPI0518393A2 publication Critical patent/BRPI0518393A2/pt

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
    • B29C45/32—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
    • 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
    • B29C45/281—Drive means therefor
    • 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
    • B29C2045/2796—Axially movable nozzles or nozzle tips

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)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Abstract

BOCAL E APARELHO PARA CONTROLE DE FLUXO DE MATERIAL EM FUSçO NOS CONDUTOS DE UM CONJUNTO DE MOLDE. A presente invenção refere-se a um bocal (10) para controlar o fluxo de material em fusão em um conjunto de molde (50) que compreende um guia de pino de válvula (22) interposto entre uma entrada de bocal (16) e uma saída de bocal (18), um pino de válvula (20) suportado de modo móvel desse modo, e um braço de contato (30) engatando o pino de válvula (20) e transversal a e passando através do guia de pino de válvula (22). O meio de orientação atuando no braço de contato (30) mantém o pino de válvula (20) em uma posição que impede o fluxo de material em fusão. Quando o conjunto de molde (50) fecha, as forças exercidas no braço de contato (30) superam o meio de orientação e permitem que o pino de válvula (20) se mova para uma posição que permite o fluxo de material em fusão. O alívio de pressão de material em fusão retido é efetuado quando a força da mesma exercida no pino de válvula (20) excede uma pré-carga ajustável do meio de orientação. O bocal (10) vantajosamente compreende uma bucha de entrada (32) suportada de modo móvel pelo corpo de bocal (12) permitindo o ajuste do comprimento total do bocal (10) para acomodar uma faixa de espaçamento de elementos do conjunto de molde (50).
BRPI0518393-6A 2004-12-08 2005-04-21 bocal e aparelho para controle de fluxo de material em fusço nos condutos de um conjunto de molde BRPI0518393A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/007,756 US7220117B2 (en) 2004-12-08 2004-12-08 Nozzle and apparatus for injection molding
PCT/US2005/013656 WO2006062539A1 (en) 2004-12-08 2005-04-21 Nozzle and apparatus for injection molding

Publications (1)

Publication Number Publication Date
BRPI0518393A2 true BRPI0518393A2 (pt) 2008-11-18

Family

ID=36574570

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0518393-6A BRPI0518393A2 (pt) 2004-12-08 2005-04-21 bocal e aparelho para controle de fluxo de material em fusço nos condutos de um conjunto de molde

Country Status (8)

Country Link
US (1) US7220117B2 (pt)
EP (1) EP1819497A1 (pt)
JP (1) JP2008522871A (pt)
CN (1) CN101072666A (pt)
AU (1) AU2005314642A1 (pt)
BR (1) BRPI0518393A2 (pt)
CA (1) CA2588085C (pt)
WO (1) WO2006062539A1 (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7455515B2 (en) 2004-12-08 2008-11-25 D-M-E Company Nozzle and apparatus for injection molding
US7452199B2 (en) 2006-12-15 2008-11-18 D-M-E Company Apparatus for injection molding
EP3095579B1 (en) 2011-08-04 2019-03-27 Husky Injection Molding Systems Ltd. A method of operating a mold
DE102015112508A1 (de) * 2015-07-30 2017-02-02 Netstal-Maschinen Ag Spritzgießmaschine mit Etagenwerkzeug für Spritzprägeanwendungen
CN109176160B (zh) * 2018-10-17 2020-11-06 江西洪都航空工业集团有限责任公司 一种精密阶梯轴外圆磨削加工工艺

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3295169A (en) 1963-12-23 1967-01-03 Ernest P Moslo Spring-pressed shutoff for injection nozzle
DE2009006A1 (de) * 1970-02-26 1971-09-02 Anker Werk Nuernberg Gmbh Verschlußduse fur Spritzgießmaschinen
US3941540A (en) 1971-07-07 1976-03-02 Diamond Tool & Die Company Sprue bushing for a single cavity or center sprued mold
US3934626A (en) * 1974-05-17 1976-01-27 Hall John L Anti-drip injection nozzle for plastic molding
US4076485A (en) 1976-06-23 1978-02-28 Beloit Corporation Shut-off valve for plastic melt injection
US4082226A (en) 1976-08-16 1978-04-04 Eastside Machine & Welding, Inc. Shut-off nozzle
CA1032318A (en) 1976-10-12 1978-06-06 Jobst U. Gellert Valve-gated injection molding mechanism
US4073469A (en) * 1976-11-18 1978-02-14 Inventive Plastic Products Ltd. Shut-off valve for control of flow of molten plastic material
US4212626A (en) 1978-12-18 1980-07-15 Gellert Jobst U Stack injection molding melt transfer system
US4333608A (en) 1980-09-19 1982-06-08 Ex-Cell-O Corporation Injection molding nozzle
US4427361A (en) 1982-03-24 1984-01-24 Toshio Saito Shut-off nozzle for injection moulding of thermoplastics
JPS60149425A (ja) 1984-11-21 1985-08-06 Katsumi Terajima 射出成形における滞留材料の漏出防止装置
US4678427A (en) * 1985-11-04 1987-07-07 Husky Injection Molding System Ltd. Automatic shut off nozzle for plastic extruder
GB2197243B (en) * 1986-08-20 1990-02-07 Toshiba Machine Co Ltd Vent type injection molding machines and method of controlling the same
US5012839A (en) * 1990-03-01 1991-05-07 The Hanson Group Ltd. Heated plastic flow control valve
US5229145A (en) 1990-06-27 1993-07-20 David Brown Multi-level stacked mold system
US5225217A (en) 1991-09-30 1993-07-06 Emi Corp. Shut-off nozzle for injection molding machine
DE4222510C1 (de) 1992-07-09 1993-12-09 Edmund Ullisperger Nadelverschlußdüse für Kunststoff-Spritzmassen
JP2000271961A (ja) * 1999-03-23 2000-10-03 Meiki Co Ltd 射出成形装置のバルブ式ノズル装置
AU4531500A (en) 1999-05-10 2000-11-21 Mold-Masters Limited Method and apparatus for distributing melt in a multi-level stack mold
US6348171B1 (en) 1999-05-11 2002-02-19 Mold Masters Limited Drool control apparatus and method
US6409955B1 (en) 1999-11-29 2002-06-25 Husky Injection Molding Systems Ltd. Shutheight adjuster for a sprue bar
JP3562481B2 (ja) * 2001-04-02 2004-09-08 株式会社村田製作所 射出成形方法および射出成形機
EP1410891B1 (de) 2002-10-15 2009-11-25 Klöckner Desma Elastomertechnik GmbH Kaltkanal-Verschlussdüse für das Spritzgiessen von Elastomeren

Also Published As

Publication number Publication date
CA2588085C (en) 2011-03-15
JP2008522871A (ja) 2008-07-03
US7220117B2 (en) 2007-05-22
WO2006062539A1 (en) 2006-06-15
CN101072666A (zh) 2007-11-14
CA2588085A1 (en) 2006-06-15
AU2005314642A1 (en) 2006-06-15
EP1819497A1 (en) 2007-08-22
US20060121155A1 (en) 2006-06-08

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE AS 5A, 6A E 7A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2160 DE 29/05/2012.