BRPI0519613A2 - mÉtodo para formar um artigo extrusado, e, artigo extrusado - Google Patents

mÉtodo para formar um artigo extrusado, e, artigo extrusado

Info

Publication number
BRPI0519613A2
BRPI0519613A2 BRPI0519613-2A BRPI0519613A BRPI0519613A2 BR PI0519613 A2 BRPI0519613 A2 BR PI0519613A2 BR PI0519613 A BRPI0519613 A BR PI0519613A BR PI0519613 A2 BRPI0519613 A2 BR PI0519613A2
Authority
BR
Brazil
Prior art keywords
melt stream
insert
die insert
extruded
nonlinear
Prior art date
Application number
BRPI0519613-2A
Other languages
English (en)
Inventor
Ronald W Ausen
Janet A Venne
Jayshree Seth
Original Assignee
3M Innovative Properties 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 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Publication of BRPI0519613A2 publication Critical patent/BRPI0519613A2/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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/19—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their edges
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
    • B29C48/307—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets specially adapted for bringing together components, e.g. melts within the die
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/695—Flow dividers, e.g. breaker plates
    • B29C48/70—Flow dividers, e.g. breaker plates comprising means for dividing, distributing and recombining melt flows
    • B29C48/705—Flow dividers, e.g. breaker plates comprising means for dividing, distributing and recombining melt flows in the die zone, e.g. to create flow homogeneity
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

MÉTODO PARA FORMAR UM ARTIGO EXTRUSADO, E, ARTIGO EXTRUSADO. Um método para co-extrusar uma corrente de massa fundida inicial por pelo menos um inserto de matriz perfilado, que é amoldado para formar uma corrente de massa fundida não linear da corrente de massa fundida inicial entrante. A entrada de inserto de matriz tem uma abertura não linear entre um limite superior e um limite inferior. O inserto de matriz está posicionado assim para redirecionar o fluxo de uma ou mais das correntes de massa fundida ou regiões da corrente de massa fundida entrante. A corrente de massa fundida inicial na entrada de inserto de matriz é geralmente redirecionada na direção transversal ao trajeto de fluxo original da corrente de massa fundida de material. A corrente de massa fundida não linear formada na entrada de inserto de matriz então converge dentro do inserto de matriz em uma corrente de massa fundida substancialmente mais linear ou retangular na abertura de saída de inserto de matriz. Na abertura de saída de inserto de matriz, pelo menos uma camada ou porção da corrente de massa fundida inicial foi dividido, em proporções diferentes em zonas diferentes na direção de largura ou transversal das proporções extrusadas em zonas diferentes na direção de largura ou transversal do material extrusado. A invenção também é dirigida aos artigos extrusados.
BRPI0519613-2A 2004-12-30 2005-12-15 mÉtodo para formar um artigo extrusado, e, artigo extrusado BRPI0519613A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US2618804A 2004-12-30 2004-12-30
US11/151,969 US7897081B2 (en) 2004-12-30 2005-06-14 Method of extruding articles
PCT/US2005/045881 WO2006073774A2 (en) 2004-12-30 2005-12-15 Method of extruding articles

Publications (1)

Publication Number Publication Date
BRPI0519613A2 true BRPI0519613A2 (pt) 2009-02-25

Family

ID=36522057

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0519613-2A BRPI0519613A2 (pt) 2004-12-30 2005-12-15 mÉtodo para formar um artigo extrusado, e, artigo extrusado

Country Status (10)

Country Link
US (1) US7897081B2 (pt)
EP (1) EP1836039A2 (pt)
JP (1) JP2008526548A (pt)
KR (1) KR20070095990A (pt)
AR (1) AR052856A1 (pt)
BR (1) BRPI0519613A2 (pt)
MX (1) MX2007007932A (pt)
RU (1) RU2007123145A (pt)
TW (1) TW200635750A (pt)
WO (1) WO2006073774A2 (pt)

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Also Published As

Publication number Publication date
US20060147686A1 (en) 2006-07-06
US7897081B2 (en) 2011-03-01
WO2006073774A3 (en) 2006-08-10
WO2006073774A2 (en) 2006-07-13
RU2007123145A (ru) 2009-02-10
TW200635750A (en) 2006-10-16
EP1836039A2 (en) 2007-09-26
KR20070095990A (ko) 2007-10-01
JP2008526548A (ja) 2008-07-24
AR052856A1 (es) 2007-04-04
MX2007007932A (es) 2007-08-21

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