KR860008017A - 다층용기 및 그 성형법 - Google Patents

다층용기 및 그 성형법 Download PDF

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Publication number
KR860008017A
KR860008017A KR1019860002713A KR860002713A KR860008017A KR 860008017 A KR860008017 A KR 860008017A KR 1019860002713 A KR1019860002713 A KR 1019860002713A KR 860002713 A KR860002713 A KR 860002713A KR 860008017 A KR860008017 A KR 860008017A
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South Korea
Prior art keywords
resin
layer
injection
intermediate layer
multilayer container
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KR1019860002713A
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English (en)
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KR940005636B1 (ko
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요시노리 나까무라
히로유끼 오리모또
고오이찌 사또오
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닛세이 에이에스비 기까이 가부시끼가이샤
아오끼 다이이찌
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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
    • B29C45/164—The moulding materials being injected simultaneously
    • 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
    • B29C49/22—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor using multilayered preforms or parisons
    • 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
    • B29C45/1646—Injecting parison-like articles
    • B29C2045/1648—Injecting parison-like articles the parison core layer being a barrier 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
    • 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
    • B29C2949/30—Preforms or parisons made of several components
    • B29C2949/3008—Preforms or parisons made of several components at 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
    • B29C2949/30—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
    • B29C2949/3032—Preforms or parisons made of several components having 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
    • 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
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/25—Solid
    • B29K2105/253—Preform
    • 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]
    • 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
    • Y10T428/2495—Thickness [relative or absolute]

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Laminated Bodies (AREA)

Abstract

내용 없음

Description

다층용기 및 그 성형법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본발명에 따라 성형된 다층 파리손(parison)으로부터 성형된 다층용기의 부분확대 부분단면도,
제2도는 본발명에 따라 성형된 다층 파리손의 단면도,
제3도는 각각 본발명의 성형법을 차례로 나타내는 노즐부와 주형의 단면도인데,
제3도는 다층 파리손의 몸체를 형성하는 제1수지가 부분적으로 사출되는 상태를 나타내는 도면.

Claims (5)

  1. 몸체를 형성하는 제1수지와, 제1수지보다 더 기체 장벽성 또는 내열성을 갖는 제2수지로 이루어지며, 상기 제2수지는 몸체의 중간층으로서 제1수지내에 존재하고, 상기 중간층은 벽두께가 몸체의 외층보다 더 작고 상기 외층을 향하여 한쪽으로 치우쳐 있으며, 상기 제1층은 상기 중간층에 의해 내층과 외층으로 규정되며, 외층과 내층의 벽두께는 외층 대 내층의 비율이 1:1.50 또는 그이상 바람직하게는 1:3.50의 범위로 이루어지면서 단면구조가 사출성형된 다층 파리손을 블로우 또는 배향 블로우 성형에 의해 얻은 적어도 3중층으로 이루어지는 것을 특징으로 하는 다층 용기.
  2. 제1항에 있어서, 제1수지는 폴리에틸렌 테레프탈레이트로 이루어지고 제2수지는 에틸렌 비닐 알코올 공중합체로 이루어지는 것을 특징으로 하는 다층용기.
  3. 제1항에 있어서, 제1수지는 폴리에틸렌 테레프탈레이트로 이루어지고 제2수지는 폴리아크릴레이트수지 또는 폴리탄산염으로 이루어지는 것을 특징으로 하는 다층용기.
  4. 노즐 오리피스와 연락하는 외측 유통로와 이 외측유통로의 극단에 열린 내측유통로로 갖추어진 이중노즐을 사용하면서, 파리손의 몸체를 형성하는 제1수지를 상기 내측 유통로로부터 공동에 사출시키는 단계, 제1수지와 연결된 몸체의 중간층을 상기 제1수지로 사출시키는 단계, 외층을 항하여 한쪽으로 치우치면서 중간층을 성형시키는 단계, 중간층에 의해 규정된 제1층으로부터 형성된 내층이 같은 수지로부터 형성된 외층보다 벽두께가 현저하게 더 작은 적어도 3중층을 갖는 다층 파리손을 형성시키는 단계, 내층이 외층보다 벽두께가 현저하게 더 큰 다층용기를 성형하기 위해 상기 다층 파리손을 블로우 또는 배양 블로우 성형시키는 단계로 이루어지는 것을 특징으로 하는 다층용기의 성형법.
  5. 제4항에 있어서, 소정량의 제1수지를 이중노즐의 내측유통로로부터 사출시킨후 수지의 사출을 일단중지시키고 제2수지를 외측 유통로로부터 제1수지로 공동내에 사출시키며, 중지시간의 경과 후 제1수지와 제2수지를 동시에 사출시키기 위해 제1수지의 사출을 내측 유통로로부터 다시 시작하며 그후 제2수지의 사출을 중지시키고, 시간을 더 지연시키며 제1수지의 사출을 중지시켜 다층 파리손을 성형시키는 것을 특징으로 하는 다층용기의 성형법.
    ※ 참고사항: 최초출원 내용에 의하여 공개하는 것임.
KR1019860002713A 1985-04-12 1986-04-10 다층용기 및 그 성형법 KR940005636B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP60078015A JPS61235126A (ja) 1985-04-12 1985-04-12 多層容器の製造方法
JP78015 1985-04-12

Publications (2)

Publication Number Publication Date
KR860008017A true KR860008017A (ko) 1986-11-10
KR940005636B1 KR940005636B1 (ko) 1994-06-22

Family

ID=13649965

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019860002713A KR940005636B1 (ko) 1985-04-12 1986-04-10 다층용기 및 그 성형법

Country Status (11)

Country Link
US (2) US4743479A (ko)
EP (1) EP0199633B1 (ko)
JP (1) JPS61235126A (ko)
KR (1) KR940005636B1 (ko)
CN (1) CN1006773B (ko)
AU (1) AU588581B2 (ko)
BR (1) BR8601821A (ko)
CA (1) CA1271435A (ko)
DE (1) DE3688686T2 (ko)
ES (1) ES8704382A1 (ko)
NZ (1) NZ215789A (ko)

Cited By (3)

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Publication number Priority date Publication date Assignee Title
KR20030006583A (ko) * 2001-07-13 2003-01-23 주식회사 천경 다층벽 구조를 갖는 용기와 그 제조방법 및 장치
KR20050100574A (ko) * 2005-09-27 2005-10-19 주식회사 이생 산소차단 및 흡수기능을 갖는 블로우 성형물의 제조방법
KR100848817B1 (ko) * 2007-05-25 2008-07-28 강성일 내용물 안전 보관이 가능한 2중용기 제조방법 및 그 구조

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AU588581B2 (en) 1989-09-21
US4743479A (en) 1988-05-10
US4774047A (en) 1988-09-27
DE3688686D1 (de) 1993-08-19
CN1006773B (zh) 1990-02-14
EP0199633B1 (en) 1993-07-14
NZ215789A (en) 1988-04-29
AU5591186A (en) 1986-10-16
CA1271435A (en) 1990-07-10
KR940005636B1 (ko) 1994-06-22
JPS61235126A (ja) 1986-10-20
ES8704382A1 (es) 1987-04-01
DE3688686T2 (de) 1994-02-03
EP0199633A3 (en) 1988-10-26
ES553938A0 (es) 1987-04-01
BR8601821A (pt) 1986-12-23
CN86102410A (zh) 1986-12-03
EP0199633A2 (en) 1986-10-29

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