BR9804470A - Injection molding machine with inter-collector transfer bushings - Google Patents

Injection molding machine with inter-collector transfer bushings

Info

Publication number
BR9804470A
BR9804470A BR9804470A BR9804470A BR9804470A BR 9804470 A BR9804470 A BR 9804470A BR 9804470 A BR9804470 A BR 9804470A BR 9804470 A BR9804470 A BR 9804470A BR 9804470 A BR9804470 A BR 9804470A
Authority
BR
Brazil
Prior art keywords
collector
injection
heated
molding
inter
Prior art date
Application number
BR9804470A
Other languages
Portuguese (pt)
Inventor
Jobst Ulrich Gellert
Denis L Babin
Original Assignee
Mold Masters 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
Priority claimed from CA002219260A external-priority patent/CA2219260C/en
Application filed by Mold Masters Ltd filed Critical Mold Masters Ltd
Publication of BR9804470A publication Critical patent/BR9804470A/en

Links

Landscapes

  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

"MáQUINA PARA MOLDAR A INJEçãO COM BUCHAS TRANSFERêNCIAS INTER-COLETORES", compreedendo uma máquina para moldar a injenção em multi-camadas, moldando dois materiais com diferentes temperaturas de injeção, tendo um espaço de ar de isolamento estendendo-se entre coletores de distribuição aquecidos frontal e traseiro. Bicos injetores aquecidos estendendo-se desde o coletor frontal, cada um tendo um canal central e um ou mais canais anulares estendendo-se ao seu redor. Buchas de transferência, cada uma tendo um furo longitudinal central que se estende através do espaço de ar, para conduzir o material derretido desde o coletor traseiro até um dos canais em cada bico injetor aquecido. Em outra configuração, cada bucha de transferência tem uma porção de cabeça que proporciona um espaçador entre os dois coletores e uma porção de tubo que estende-se através de um furo longitudinal, através do coletor frontal, até um dos bicos injetores aquecidos. Um espaço de ar ao redor da porção de tubo proporciona separação térmica entre o material derretido do coletor traseiro e do coletor frontal, o qual tem uma temperatura mais alta"MACHINE FOR MOLDING INJECTION WITH INTER-COLLECTING TRANSFER BUSHINGS", comprising a machine for molding multi-layered injection molding two materials with different injection temperatures, having an insulating air space extending between heated distribution manifolds front and rear. Heated injection nozzles extending from the frontal collector, each having a central channel and one or more annular channels extending around it. Transfer bushings, each having a central longitudinal hole that extends through the air space, to conduct the molten material from the rear manifold to one of the channels in each heated injection nozzle. In another configuration, each transfer bushing has a head portion that provides a spacer between the two collectors and a tube portion that extends through a longitudinal hole, through the frontal collector, to one of the heated injection nozzles. An air gap around the tube portion provides thermal separation between the melted material of the rear collector and the front collector, which has a higher temperature

BR9804470A 1997-10-23 1998-10-21 Injection molding machine with inter-collector transfer bushings BR9804470A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002219260A CA2219260C (en) 1997-10-23 1997-10-23 Injection molding apparatus having inter-manifold melt transfer bushings

Publications (1)

Publication Number Publication Date
BR9804470A true BR9804470A (en) 1999-11-23

Family

ID=4161688

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9804470A BR9804470A (en) 1997-10-23 1998-10-21 Injection molding machine with inter-collector transfer bushings

Country Status (3)

Country Link
AT (1) ATE221445T1 (en)
BR (1) BR9804470A (en)
DE (1) DE69806881T2 (en)

Also Published As

Publication number Publication date
DE69806881D1 (en) 2002-09-05
DE69806881T2 (en) 2002-11-14
ATE221445T1 (en) 2002-08-15

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Legal Events

Date Code Title Description
B08F Application fees: dismissal - article 86 of industrial property law

Free format text: REFERENTE A 5A, 6A, 7A E 8A ANUIDADES.

B08K Maintenance of archiving: application remains archived as no request for restauration (art. 87) has been received.

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 1861 DE 05/09/2006.