PT921928E - Metodo para impedir o escoamento de polimero nao controlado no bocal do gargalo de pre-formas durante as etapas de compactacao e arrefecimento - Google Patents

Metodo para impedir o escoamento de polimero nao controlado no bocal do gargalo de pre-formas durante as etapas de compactacao e arrefecimento

Info

Publication number
PT921928E
PT921928E PT97938361T PT97938361T PT921928E PT 921928 E PT921928 E PT 921928E PT 97938361 T PT97938361 T PT 97938361T PT 97938361 T PT97938361 T PT 97938361T PT 921928 E PT921928 E PT 921928E
Authority
PT
Portugal
Prior art keywords
polymer
injected
during
compact
nozzle
Prior art date
Application number
PT97938361T
Other languages
English (en)
Inventor
Suppayan M Krishnakumar
Wayne N Collete
Thomas E Nahill
Original Assignee
Continental Pet Technologies
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 Continental Pet Technologies filed Critical Continental Pet Technologies
Publication of PT921928E publication Critical patent/PT921928E/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
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1642—Making multilayered or multicoloured articles having a "sandwich" structure
    • B29C45/1646—Injecting parison-like articles
    • 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
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1642—Making multilayered or multicoloured articles having a "sandwich" structure
    • B29C45/1643—Making multilayered or multicoloured articles having a "sandwich" structure from at least three different materials or with at least four layers
    • 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
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1642—Making multilayered or multicoloured articles having a "sandwich" structure
    • B29C2045/1656—Injecting the skin material through the central passage of the multiway nozzle
    • 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
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/081—Specified dimensions, e.g. values or ranges
    • B29C2949/0811—Wall thickness
    • B29C2949/0813—Wall thickness of the neck
    • 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
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/081—Specified dimensions, e.g. values or ranges
    • B29C2949/082—Diameter
    • B29C2949/0822—Diameter of the neck
    • 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
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/081—Specified dimensions, e.g. values or ranges
    • B29C2949/0829—Height, length
    • B29C2949/0831—Height, length of the neck
    • 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
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/0861—Other specified values, e.g. values or ranges
    • B29C2949/0862—Crystallinity
    • B29C2949/0863—Crystallinity at the neck portion
    • 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
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/0861—Other specified values, e.g. values or ranges
    • B29C2949/0862—Crystallinity
    • B29C2949/0865—Crystallinity at the body portion
    • 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
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/30—Preforms or parisons made of several components
    • B29C2949/3008—Preforms or parisons made of several components at neck portion
    • B29C2949/3009—Preforms or parisons made of several components at neck portion partially
    • 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
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/30—Preforms or parisons made of several components
    • B29C2949/3012—Preforms or parisons made of several components at flange portion
    • 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
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/30—Preforms or parisons made of several components
    • B29C2949/3016—Preforms or parisons made of several components at body portion
    • 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
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/30—Preforms or parisons made of several components
    • B29C2949/302—Preforms or parisons made of several components at bottom portion
    • 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
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/30—Preforms or parisons made of several components
    • B29C2949/3024—Preforms or parisons made of several components characterised by the number of components or by the manufacturing technique
    • B29C2949/3026—Preforms or parisons made of several components characterised by the number of components or by the manufacturing technique having two or more components
    • B29C2949/3028—Preforms or parisons made of several components characterised by the number of components or by the manufacturing technique having two or more components having three or more components
    • 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
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/30—Preforms or parisons made of several components
    • B29C2949/3024—Preforms or parisons made of several components characterised by the number of components or by the manufacturing technique
    • B29C2949/3026—Preforms or parisons made of several components characterised by the number of components or by the manufacturing technique having two or more components
    • B29C2949/3028—Preforms or parisons made of several components characterised by the number of components or by the manufacturing technique having two or more components having three or more components
    • B29C2949/303—Preforms or parisons made of several components characterised by the number of components or by the manufacturing technique having two or more components having three or more components having more than three components
    • 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
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/30—Preforms or parisons made of several components
    • B29C2949/3032—Preforms or parisons made of several components having components being injected
    • B29C2949/3034—Preforms or parisons made of several components having components being injected having two or more components being injected
    • B29C2949/3036—Preforms or parisons made of several components having components being injected having two or more components being injected having three or more components being injected
    • 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
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/30—Preforms or parisons made of several components
    • B29C2949/3032—Preforms or parisons made of several components having components being injected
    • B29C2949/3034—Preforms or parisons made of several components having components being injected having two or more components being injected
    • B29C2949/3036—Preforms or parisons made of several components having components being injected having two or more components being injected having three or more components being injected
    • B29C2949/3038—Preforms or parisons made of several components having components being injected having two or more components being injected having three or more components being injected having more than three components being injected
    • 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/64—Heating or cooling preforms, parisons or blown articles
    • B29C49/6604—Thermal conditioning of the blown article
    • B29C49/6605—Heating the article, e.g. for hot fill

Landscapes

  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Biological Depolymerization Polymers (AREA)
  • Laminated Bodies (AREA)
  • Sealing Material Composition (AREA)
  • Wrappers (AREA)
  • Polymerisation Methods In General (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Packages (AREA)
PT97938361T 1996-08-22 1997-08-18 Metodo para impedir o escoamento de polimero nao controlado no bocal do gargalo de pre-formas durante as etapas de compactacao e arrefecimento PT921928E (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/702,755 US6063325A (en) 1996-08-22 1996-08-22 Method for preventing uncontrolled polymer flow in preform neck finish during packing and cooling stage

Publications (1)

Publication Number Publication Date
PT921928E true PT921928E (pt) 2003-03-31

Family

ID=24822455

Family Applications (1)

Application Number Title Priority Date Filing Date
PT97938361T PT921928E (pt) 1996-08-22 1997-08-18 Metodo para impedir o escoamento de polimero nao controlado no bocal do gargalo de pre-formas durante as etapas de compactacao e arrefecimento

Country Status (16)

Country Link
US (1) US6063325A (pt)
EP (2) EP1215028A3 (pt)
JP (1) JP4104022B2 (pt)
CN (2) CN1082427C (pt)
AT (1) ATE227632T1 (pt)
AU (1) AU727103B2 (pt)
BR (1) BR9711343A (pt)
CA (1) CA2263845C (pt)
DE (1) DE69717119T2 (pt)
DK (1) DK0921928T3 (pt)
ES (1) ES2187808T3 (pt)
HU (1) HUP9903957A3 (pt)
NO (1) NO313817B1 (pt)
NZ (1) NZ334575A (pt)
PT (1) PT921928E (pt)
WO (1) WO1998007556A1 (pt)

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US6394094B1 (en) * 1998-05-01 2002-05-28 Enhance Pharmaceuticals, Inc. Method for injection molding manufacture of controlled release devices
US7543713B2 (en) 2001-04-19 2009-06-09 Graham Packaging Company L.P. Multi-functional base for a plastic, wide-mouth, blow-molded container
JP3896524B2 (ja) * 2000-12-20 2007-03-22 株式会社吉野工業所 合成樹脂製２軸延伸ブロー成形壜体成形用プリフォーム
US6596213B2 (en) * 2001-04-06 2003-07-22 Kortec, Inc. Method of molding multi-layer polymer plastic articles with control of relative shifting of the core layer
US20030161977A1 (en) * 2001-04-06 2003-08-28 Douglas Sabin Four layer nozzle for forming four layer articles
US6908581B2 (en) * 2001-04-06 2005-06-21 Kortec, Inc. Optimized flow to prevent core layer breakthrough
CA2450639C (en) * 2001-06-18 2012-03-20 Becton, Dickinson And Company Multilayer containers and process for forming multilayer containers
JP3994146B2 (ja) 2001-12-18 2007-10-17 株式会社吉野工業所 合成樹脂製容器本体およびプリフォームの金型装置
WO2003064133A1 (en) * 2002-01-31 2003-08-07 Kortec, Inc. Optimized flow to prevent core layer breakthrough
NZ545528A (en) 2003-07-30 2008-11-28 Graham Packaging Co Container handling system for plastic containers with projections extending from the bottom, filled with hot liquids
US7399442B2 (en) * 2004-07-07 2008-07-15 Kortec, Inc. Multilayer molding using temperature adjustment of flow rate in conjunction with shooting pot technology
US8017065B2 (en) 2006-04-07 2011-09-13 Graham Packaging Company L.P. System and method for forming a container having a grip region
US8857637B2 (en) 2006-03-06 2014-10-14 Plastipak Packaging, Inc. Lightweight plastic container and preform
US10214312B2 (en) 2006-03-06 2019-02-26 Plastipak Packaging, Inc. Lightweight plastic container and preform
US8747727B2 (en) 2006-04-07 2014-06-10 Graham Packaging Company L.P. Method of forming container
US9707711B2 (en) 2006-04-07 2017-07-18 Graham Packaging Company, L.P. Container having outwardly blown, invertible deep-set grips
EP1955835A1 (fr) 2007-02-07 2008-08-13 Aisapack Holding SA Méthode de réalisation d'un objet multicouche
EP1997603A1 (en) * 2007-05-31 2008-12-03 Alliance for business solutions A4BS Modified hot runner systems for injection blow molding
US20090223920A1 (en) * 2008-03-07 2009-09-10 Graham Packaging Company, Lp Abuse resistant preform and container neck finish
US8627944B2 (en) 2008-07-23 2014-01-14 Graham Packaging Company L.P. System, apparatus, and method for conveying a plurality of containers
US8597748B2 (en) * 2008-09-02 2013-12-03 Graham Packaging Company, L.P. Preform for making plastic container
US8636944B2 (en) * 2008-12-08 2014-01-28 Graham Packaging Company L.P. Method of making plastic container having a deep-inset base
US7926243B2 (en) 2009-01-06 2011-04-19 Graham Packaging Company, L.P. Method and system for handling containers
US8715563B2 (en) 2009-11-30 2014-05-06 Alliance For Business Solutions A4Bs Modified hot runner systems for injection blow molding
WO2011112613A1 (en) * 2010-03-08 2011-09-15 Kortec, Inc. Methods of molding multi-layer polymeric articles having control over the breakthrough of the core layer
GB2478732B (en) 2010-03-15 2014-08-20 Kraft Foods R & D Inc Improvements in injection moulding
JP2013534483A (ja) * 2010-07-16 2013-09-05 コルテック，インコーポレーテッド 射出成形容器のための改善されたガス不透過性
US8580294B2 (en) 2010-10-19 2013-11-12 International Partnership For Microbicides Platinum-catalyzed intravaginal rings
US8962114B2 (en) 2010-10-30 2015-02-24 Graham Packaging Company, L.P. Compression molded preform for forming invertible base hot-fill container, and systems and methods thereof
PT2643136T (pt) 2010-11-24 2018-07-03 Milacron Llc Método de prevenção de falha na termosselagem
US9150320B2 (en) 2011-08-15 2015-10-06 Graham Packaging Company, L.P. Plastic containers having base configurations with up-stand walls having a plurality of rings, and systems, methods, and base molds thereof
US9994378B2 (en) 2011-08-15 2018-06-12 Graham Packaging Company, L.P. Plastic containers, base configurations for plastic containers, and systems, methods, and base molds thereof
US8919587B2 (en) 2011-10-03 2014-12-30 Graham Packaging Company, L.P. Plastic container with angular vacuum panel and method of same
CH707196A1 (de) * 2012-11-07 2014-05-15 Alpla Werke Spritzgegossener Preform zur Herstellung von Kunststoffbehältern in einem Streckblasverfahren.
US9254937B2 (en) 2013-03-15 2016-02-09 Graham Packaging Company, L.P. Deep grip mechanism for blow mold and related methods and bottles
US9022776B2 (en) 2013-03-15 2015-05-05 Graham Packaging Company, L.P. Deep grip mechanism within blow mold hanger and related methods and bottles
US10137031B2 (en) 2013-11-14 2018-11-27 International Partnership For Microbicides, Inc. Combination therapy intravaginal rings
DE102014004221A1 (de) 2014-03-25 2015-10-01 Hpt Hochwertige Pharmatechnik Gmbh & Co. Kg Spritzstation für die Herstellung von Multilayer-Vorformlingen
WO2017156384A1 (en) * 2016-03-11 2017-09-14 Ring Container Technologies Method of manufacture of a container
JP6870079B2 (ja) * 2016-10-05 2021-05-12 ハスキー インジェクション モールディング システムズ リミテッドＨｕｓｋｙ Ｉｎｊｅｃｔｉｏｎ Ｍｏｌｄｉｎｇ Ｓｙｓｔｅｍｓ Ｌｉｍｉｔｅｄ マルチ材料ホットランナーノズル
CH716662A1 (de) * 2019-10-02 2021-04-15 Alpla Werke Alwin Lehner Gmbh & Co Kg Wiederbefüllbarer Kunststoffbehälter mit einem Hals mit einer Halsöffnung und einen ein Füllvolumen umschliessenden Behälterkörper.
CN112223725B (zh) * 2020-09-23 2022-06-28 四川科伦药业股份有限公司 一种塑料输液容器注吹一体制造方法
CN117565332B (zh) * 2023-12-22 2024-06-11 太仓市众翔精密五金有限公司 一种二次成型模具注射流道结构及注塑成型装置

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Also Published As

Publication number Publication date
US6063325A (en) 2000-05-16
CA2263845A1 (en) 1998-02-26
DE69717119D1 (de) 2002-12-19
CN1377765A (zh) 2002-11-06
NO313817B1 (no) 2002-12-09
AU727103B2 (en) 2000-11-30
CN1159147C (zh) 2004-07-28
DK0921928T3 (da) 2003-03-10
EP0921928A1 (en) 1999-06-16
BR9711343A (pt) 1999-08-17
NO990826L (no) 1999-04-21
CN1082427C (zh) 2002-04-10
AU4071097A (en) 1998-03-06
JP2000516167A (ja) 2000-12-05
ATE227632T1 (de) 2002-11-15
NZ334575A (en) 2000-10-27
EP0921928B1 (en) 2002-11-13
CA2263845C (en) 2006-12-05
EP1215028A2 (en) 2002-06-19
NO990826D0 (no) 1999-02-22
DE69717119T2 (de) 2003-08-21
WO1998007556A1 (en) 1998-02-26
HUP9903957A3 (en) 2001-10-29
EP1215028A3 (en) 2003-01-02
JP4104022B2 (ja) 2008-06-18
HUP9903957A2 (hu) 2001-09-28
CN1233207A (zh) 1999-10-27
ES2187808T3 (es) 2003-06-16

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