CA2802328C - Improved gas impermeability for injection molded containers - Google Patents

Improved gas impermeability for injection molded containers Download PDF

Info

Publication number
CA2802328C
CA2802328C CA2802328A CA2802328A CA2802328C CA 2802328 C CA2802328 C CA 2802328C CA 2802328 A CA2802328 A CA 2802328A CA 2802328 A CA2802328 A CA 2802328A CA 2802328 C CA2802328 C CA 2802328C
Authority
CA
Canada
Prior art keywords
polymeric material
layer
flow
mold
article
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.)
Active
Application number
CA2802328A
Other languages
English (en)
French (fr)
Other versions
CA2802328A1 (en
Inventor
Paul M. Swenson
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.)
Milacron LLC
Original Assignee
Milacron LLC
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 Milacron LLC filed Critical Milacron LLC
Publication of CA2802328A1 publication Critical patent/CA2802328A1/en
Application granted granted Critical
Publication of CA2802328C publication Critical patent/CA2802328C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B29C45/20—Injection nozzles
    • B29C45/22—Multiple nozzle 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
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1603—Multi-way nozzles specially adapted 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
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1642—Making multilayered or multicoloured articles having a "sandwich" structure
    • 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
    • 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
    • B29C45/76—Measuring, controlling or regulating
    • B29C45/77—Measuring, controlling or regulating of velocity or pressure of moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • 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
    • B29C45/1603—Multi-way nozzles specially adapted therefor
    • B29C2045/1614—Multi-way nozzles specially adapted therefor side-by-side flow of materials in the same channel
    • 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
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76494—Controlled parameter
    • B29C2945/76545—Flow rate
    • 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
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76494—Controlled parameter
    • B29C2945/76595—Velocity
    • 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
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76655—Location of control
    • B29C2945/76765—Moulding material
    • 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
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76822—Phase or stage of control
    • B29C2945/76859—Injection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04—Polymers of ethylene
    • B29K2023/08—Copolymers of ethylene
    • B29K2023/086—EVOH, i.e. ethylene vinyl alcohol copolymer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/10—Polymers of propylene
    • B29K2023/12—PP, i.e. polypropylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
    • B29K2067/003—PET, i.e. poylethylene terephthalate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2269/00—Use of PC, i.e. polycarbonates or derivatives thereof as reinforcement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0065—Permeability to gases
    • B29K2995/0067—Permeability to gases non-permeable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0068—Permeability to liquids; Adsorption
    • B29K2995/0069—Permeability to liquids; Adsorption non-permeable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B1/00—Layered products having a non-planar shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/31—Heat sealable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • B32B2307/7242—Non-permeable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/732—Dimensional properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2323/00—Polyalkenes
    • B32B2323/10—Polypropylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2367/00—Polyesters, e.g. PET, i.e. polyethylene terephthalate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2439/00—Containers; Receptacles
    • B32B2439/40—Closed containers
    • 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
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
    • Y10T428/1379—Contains vapor or gas barrier, polymer derived from vinyl chloride or vinylidene chloride, or polymer containing a vinyl alcohol unit
    • Y10T428/1383—Vapor or gas barrier, polymer derived from vinyl chloride or vinylidene chloride, or polymer containing a vinyl alcohol unit is sandwiched between layers [continuous layer]

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
CA2802328A 2010-07-16 2011-07-15 Improved gas impermeability for injection molded containers Active CA2802328C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US36530310P 2010-07-16 2010-07-16
US61/365,303 2010-07-16
PCT/US2011/044222 WO2012009656A1 (en) 2010-07-16 2011-07-15 Improved gas impermeability for injection molded containers

Publications (2)

Publication Number Publication Date
CA2802328A1 CA2802328A1 (en) 2012-01-19
CA2802328C true CA2802328C (en) 2019-06-04

Family

ID=44513138

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2802328A Active CA2802328C (en) 2010-07-16 2011-07-15 Improved gas impermeability for injection molded containers

Country Status (10)

Country Link
US (2) US9227349B2 (enExample)
EP (1) EP2593285B1 (enExample)
JP (2) JP2013534483A (enExample)
CN (1) CN103003048B (enExample)
CA (1) CA2802328C (enExample)
ES (1) ES2717885T3 (enExample)
HU (1) HUE044467T2 (enExample)
PL (1) PL2593285T3 (enExample)
PT (1) PT2593285T (enExample)
WO (1) WO2012009656A1 (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HUE044467T2 (hu) * 2010-07-16 2019-10-28 Milacron Llc Javított gáz-záró képesség fröccsöntött tárolók számára
WO2013028933A1 (en) 2011-08-23 2013-02-28 Kortec, Inc. Methods and systems for the preparation of molded plastic articles having a structural barrier layer
US8491290B2 (en) * 2011-10-21 2013-07-23 Kortec, Inc. Apparatus for producing non-symmetric multiple layer injection molded products
US9221204B2 (en) 2013-03-14 2015-12-29 Kortec, Inc. Techniques to mold parts with injection-formed aperture in gate area
US9701047B2 (en) 2013-03-15 2017-07-11 Milacron Llc Methods and systems for the preparation of molded plastic articles having a structural barrier layer
WO2015082982A1 (en) 2013-12-03 2015-06-11 Biserkon Holdings Ltd. Capsule and device for preparing beverages and method for producing the capsule
JP6786397B2 (ja) 2014-01-24 2020-11-18 ミラクロン エルエルシー ゲートエリアと周縁部との間に射出成形孔を有する、共射出成形される多層製品
ES2987452T3 (es) 2014-05-07 2024-11-14 Milacron Llc Recipiente de plástico con parte de base flexible
US9809370B2 (en) * 2014-08-14 2017-11-07 Scholle Ipn Corporation Barrier spout for a flexible bag and a flexible bag having a barrier spout
USD768510S1 (en) 2015-05-01 2016-10-11 Milacron Llc Container
US10807298B2 (en) 2015-12-29 2020-10-20 Whirlpool Corporation Molded gas barrier parts for vacuum insulated structure
CA3017353A1 (en) * 2016-03-11 2017-09-14 Ring Container Technologies, Llc Method of manufacture of a container
MX2018012014A (es) 2016-04-07 2019-05-30 Nestec Sa Capsula cerrada con medios de apertura y capa de barrera integral.
US11298861B2 (en) 2017-11-21 2022-04-12 Silgan Specialty Packaging Llc Multi-layer injection molded container
US11673731B2 (en) * 2018-08-02 2023-06-13 Boveda, Inc. Method of making an injection molded product packaging having a humidity control material
CN116340790B (zh) * 2023-03-01 2025-06-27 浪潮云信息技术股份公司 一种面向数据不均衡的联邦聚合方法及装置

Family Cites Families (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2418856A (en) 1939-06-20 1947-04-15 French Oil Mill Machinery Method of and apparatus for injection molding
US3339240A (en) 1965-07-29 1967-09-05 Nat Distillers Chem Corp Apparatus for laminar injection molding
US3679119A (en) 1970-06-01 1972-07-25 Keith Philip Copping Injection moulded plastic cup-like article
CH540822A (de) 1971-07-28 1973-08-31 Schmalbach Lubeca Einendig offener Behälter aus Kunststoff
US3894823A (en) * 1971-09-07 1975-07-15 Robert Hanning Apparatus for injection molding of parts of synthetic material
US4174413A (en) 1976-07-27 1979-11-13 Asahi-Dow Limited Multi-layered molded articles
US4568261A (en) 1979-07-20 1986-02-04 American Can Company Apparatus for making a multi-layer injection blow molded container
US4554190A (en) 1983-04-13 1985-11-19 American Can Company Plastic containers with folded-over internal layers and methods for making same
US4751035A (en) 1983-04-13 1988-06-14 American National Can Company Plastic containers with folded-over internal layers and methods for making same
US4946365A (en) 1983-04-13 1990-08-07 American National Can Company Apparatus for injection molding and injection blow molding multi-layer articles
US4511528A (en) * 1983-04-13 1985-04-16 American Can Company Flow stream channel splitter devices for multi-coinjection nozzle injection molding machines
EP0125787B2 (en) 1983-04-13 2000-03-22 American National Can Company Injection molding methods, injection molding apparatus and injection nozzle devices for use in molding multiple-layer articles, and multiple-layer injection molded articles
US4990301A (en) 1989-01-25 1991-02-05 Continental Pet Technologies, Inc. Method and apparatus for injection molding of multilayer preforms
DE3932047A1 (de) 1989-09-26 1991-04-11 Kloeckner Ferromatik Desma Verfahren und vorrichtung zum herstellen von behaeltern fuer lebensmittel u. dgl.
JPH03153327A (ja) * 1989-11-10 1991-07-01 Dainippon Printing Co Ltd 容器本体およびその製造方法
US5433910A (en) 1991-05-14 1995-07-18 Toyoda Gosei Co., Ltd. Method of producing molding
JP3136420B2 (ja) 1991-09-27 2001-02-19 旭化成工業株式会社 中空射出成形用金型
JP2894132B2 (ja) 1992-12-26 1999-05-24 トヨタ車体株式会社 サンドイッチ射出成形装置
JP3339097B2 (ja) 1993-03-25 2002-10-28 凸版印刷株式会社 非円対称多層射出容器
JP3367135B2 (ja) * 1993-04-02 2003-01-14 凸版印刷株式会社 多層射出成形方法
JP3497301B2 (ja) 1995-11-08 2004-02-16 本田技研工業株式会社 合成樹脂成形体の製造方法
US6063325A (en) * 1996-08-22 2000-05-16 Continental Pet Technologies, Inc. Method for preventing uncontrolled polymer flow in preform neck finish during packing and cooling stage
US5914138A (en) * 1996-09-27 1999-06-22 Kortec, Inc. Apparatus for throttle-valving control for the co-extrusion of plastic materials as interior core streams encased by outer and inner streams for molding and the like
JP4202473B2 (ja) 1998-09-08 2008-12-24 大日本印刷株式会社 パ−ル光沢を有する多層射出成形品
US6908581B2 (en) 2001-04-06 2005-06-21 Kortec, Inc. Optimized flow to prevent core layer breakthrough
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
JP2004532756A (ja) * 2001-06-18 2004-10-28 ベクトン・ディキンソン・アンド・カンパニー 多層容器および多層容器の形成方法
US20030127765A1 (en) * 2001-08-16 2003-07-10 Weiland Richard A. Extrusion composite compression injection process and apparatus
BR0213758A (pt) 2001-10-24 2004-10-19 Pechiney Emballage Flexible Eu Recipiente de polipropileno e processo para a sua fabricação
EP1478501A1 (en) 2002-01-31 2004-11-24 Kortec, Inc. Optimized flow to prevent core layer breakthrough
JP4096308B2 (ja) * 2003-05-09 2008-06-04 株式会社吉野工業所 射出成形用ホットランナー金型
WO2004103670A2 (en) 2003-05-20 2004-12-02 Kortec, Inc. Apparatus and method for fluid distribution
US6787097B1 (en) 2003-06-20 2004-09-07 Lear Corporation Multiple cavity gas assisted plastic injection molding
WO2005018909A1 (en) * 2003-08-18 2005-03-03 Kortec, Inc. Automatic process control for a multilayer injection molding apparatus
WO2007006163A1 (de) * 2005-07-08 2007-01-18 Sig Technology Ltd. Sauerstoffdichter ausgiesser mit stutzen und flansch für kartonverbund-packungen
JP2008307846A (ja) 2007-06-18 2008-12-25 Dainippon Printing Co Ltd 共射出成形容器およびその製造方法
US8256640B2 (en) 2007-12-13 2012-09-04 Ropak Corporation Container apparatus and related methods
CA2631762A1 (en) 2008-05-14 2009-11-14 Stackteck Systems Limited Reduced thickness injection moulded part design
FR2956466B1 (fr) * 2010-02-17 2012-06-08 Vallourec Mannesmann Oil & Gas Joint filete expansible et procede de realisation
JP5906199B2 (ja) 2010-03-08 2016-04-20 コルテック，インコーポレーテッド コア層のブレイクスルーを制御する多層ポリマー製品の成形方法
HUE044467T2 (hu) * 2010-07-16 2019-10-28 Milacron Llc Javított gáz-záró képesség fröccsöntött tárolók számára

Also Published As

Publication number Publication date
JP2013534483A (ja) 2013-09-05
CN103003048A (zh) 2013-03-27
PT2593285T (pt) 2019-04-18
WO2012009656A1 (en) 2012-01-19
ES2717885T3 (es) 2019-06-26
CA2802328A1 (en) 2012-01-19
HUE044467T2 (hu) 2019-10-28
PL2593285T3 (pl) 2019-08-30
US20160250789A1 (en) 2016-09-01
JP2016155374A (ja) 2016-09-01
US20120015122A1 (en) 2012-01-19
JP6242926B2 (ja) 2017-12-06
EP2593285A1 (en) 2013-05-22
CN103003048B (zh) 2016-06-15
EP2593285B1 (en) 2019-03-13
US9227349B2 (en) 2016-01-05

Similar Documents

Publication Publication Date Title
CA2802328C (en) Improved gas impermeability for injection molded containers
US10688748B2 (en) Techniques to mold parts with injection-formed aperture in gate area
US10213944B2 (en) Methods of molding multi-layer polymeric articles having control over the breakthrough of the core layer
JP6195837B2 (ja) 非対称多層射出成形製品及び射出方法
JP2017035890A (ja) ヒートシール欠陥の防止方法および製品
US20170144345A1 (en) Methods and systems for the preparation of molded plastic articles having a structural barrier layer
CA2937317C (en) Co-injection molded multi-layer article with injection-formed aperture between gate area and peripheral edge

Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20160712