KR950012854B1 - 다층 성형용 노즐 - Google Patents
다층 성형용 노즐 Download PDFInfo
- Publication number
- KR950012854B1 KR950012854B1 KR1019890701181A KR890701181A KR950012854B1 KR 950012854 B1 KR950012854 B1 KR 950012854B1 KR 1019890701181 A KR1019890701181 A KR 1019890701181A KR 890701181 A KR890701181 A KR 890701181A KR 950012854 B1 KR950012854 B1 KR 950012854B1
- Authority
- KR
- South Korea
- Prior art keywords
- resin passage
- resin
- passage
- valve member
- core member
- Prior art date
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- 229920005989 resin Polymers 0.000 claims description 194
- 239000011347 resin Substances 0.000 claims description 194
- 238000002347 injection Methods 0.000 claims description 31
- 239000007924 injection Substances 0.000 claims description 31
- 238000000465 moulding Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 32
- 239000002356 single layer Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- -1 polyethylene terephthalate Polymers 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- 239000004952 Polyamide Substances 0.000 description 2
- 230000003466 anti-cipated effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 210000002615 epidermis Anatomy 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical group CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004715 ethylene vinyl alcohol Substances 0.000 description 1
- 229920006015 heat resistant resin Polymers 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- RZXDTJIXPSCHCI-UHFFFAOYSA-N hexa-1,5-diene-2,5-diol Chemical compound OC(=C)CCC(O)=C RZXDTJIXPSCHCI-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 210000003491 skin Anatomy 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Images
Classifications
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- 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
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- 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
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- 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
-
- 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
- B29C45/1604—Multi-way nozzles specially adapted therefor using a valve urged by the injection pressure
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- 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
- B29C45/1607—Multi-way nozzles specially adapted therefor having at least three different ways
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F2013/00361—Plasters
- A61F2013/00365—Plasters use
- A61F2013/00387—Plasters use skin protection
- A61F2013/004—Plasters use skin protection from liquid water
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F2013/00361—Plasters
- A61F2013/00727—Plasters means for wound humidity control
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F2013/00361—Plasters
- A61F2013/00855—Plasters pervious to air or vapours
- A61F2013/00885—Plasters pervious to air or vapours impervious, i.e. occlusive bandage
- A61F2013/00889—Plasters pervious to air or vapours impervious, i.e. occlusive bandage waterproof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15203—Properties of the article, e.g. stiffness or absorbency
- A61F2013/15284—Properties of the article, e.g. stiffness or absorbency characterized by quantifiable properties
- A61F2013/15365—Dimensions
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- 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
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- 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
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- 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
- B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
- B29C2949/22—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer at neck portion
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- 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
- B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
- B29C2949/24—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer at flange portion
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- 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
- B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
- B29C2949/26—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer at body portion
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- 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
- B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
- B29C2949/28—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer at bottom portion
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- 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
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- 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
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- 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
- B29C2949/3018—Preforms or parisons made of several components at body portion partially
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- 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
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- 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
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- 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
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- 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
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- 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
- Y10T137/00—Fluid handling
- Y10T137/2496—Self-proportioning or correlating systems
- Y10T137/2559—Self-controlled branched flow systems
- Y10T137/2564—Plural inflows
- Y10T137/2572—One inflow supplements another
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)
Abstract
Description
Claims (5)
- 동일한 사출공을 갖는 제 1 수지통로, 제 2 수지통로 및 제 3 수지통로가, 노즐몸체 내부에 삽설된 제 1 공동심부재와 제 2 공동심부재에 의하여 동심원형태로 형성되는 3층 노즐에 있어서, 제 2 수지통로의 입구부내측 중앙부에 위치된 제 3 수지통로의 입구부가, 제 2 수지통로와 제 3 수지통로의 수지압에 의하여 전후방으로 움직여 제 2 수지통로를 개폐해주는 밸브부재로 구성된 것을 특징으로 하는 다층 성형용 노즐.
- 동일한 사출공을 갖는 제 1 수지통로, 제 2 수지통로 및 제 3 수지통로가, 노즐몸체 내부에 삽설된 제 1 공동심부재와 제 2 공동심부재에 의하여 동심원형태로 형성되는 3층 노즐에 있어서, 제 1 수지통로의 내측 중간부에 위치된 제 2 수지통로의 입구부가, 제 2 수지통로와 제 1 수지통로의 수지압에 의하여 전후방향으로 움직여 제 2 수지통로를 개폐해주는 밸브부재로 구성된 것을 특징으로 하는 다층 성형용 노즐.
- 제 2 항에 있어서, 상기 제 2 공동심부재의 끝부분의 직경은 작아지고 그 끝은 제 1 수지통로로 연장되며, 제 3 수지통로의 입구부는 입구부의 내측면에 대하여 앞쪽으로 형성되고, 제 2 수지통로는 그 끝부분의 측면에서 개방되며, 상기 입구부는 제 1 공동심 부재의 끝부분 외면에서 밸브부재에 의하여 구성되며, 상기 밸브부재는 제 1 공동심부재의 끝내부로 삽입되며, 밸브부재의 후단은, 제 2 수지통로를 닫기 위하여 제 2 공동심부재의 외측면에 형성된 경사부로 된것을 특징으로 하는 다층성형용 노즐.
- 제 1 항에 있어서, 상기 밸브부재는, 제 2 공동심부재 끝부분의 내측면에서 보이도록 끼워진 고리모양의 몸체를 구성하며, 그 내경은 실제로 제 3 수지통로의 직경보다는 작고, 제 1 수지통로의 입구부의 내경과 동일하며, 그 전단과 후단은 경사부로 형성되며, 두끝단의 압력작용 면적사이의 비는 사출평면에서 0.5〈제 2 수지통로/제 3 수지통로〈4의 범위인 것을 특징으로 하는 다층성형용 노즐.
- 제 2 항과 제 3 항에 있어서, 상기 밸브부재는, 제 1 공동심부재 끝부분의 내측면에서 보이도록 끼워진 고리모양의 몸체를 구성하며, 그 내경은, 그것과 제 2 공동심부재 사이에 제 2 수지 통로의 일부분을 형성하기 위하여, 제 2 공동심부재 끝부분의 외경 보다 크게 형성되며, 경사부로 형성된 밸브부재의 전단과 후단사이의 압력작용면적비는 사출평면에서 0.5〈제 2 수지통로/제 1 수지통로〈4의 범위인 것을 특징으로 하는 다층성형 노즐.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP1987/000841 WO1989003756A1 (en) | 1987-10-30 | 1987-10-30 | Multilayer forming nozzle |
Publications (2)
Publication Number | Publication Date |
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KR890701313A KR890701313A (ko) | 1989-12-20 |
KR950012854B1 true KR950012854B1 (ko) | 1995-10-23 |
Family
ID=13902898
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019890701181A KR950012854B1 (ko) | 1987-10-30 | 1987-10-30 | 다층 성형용 노즐 |
Country Status (7)
Country | Link |
---|---|
US (1) | US5030077A (ko) |
EP (1) | EP0374247B1 (ko) |
KR (1) | KR950012854B1 (ko) |
AU (1) | AU604278B2 (ko) |
DE (1) | DE3750765T2 (ko) |
RU (1) | RU1838120C (ko) |
WO (1) | WO1989003756A1 (ko) |
Families Citing this family (34)
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US5131830A (en) * | 1987-10-30 | 1992-07-21 | Nissei Asb Machine Co., Ltd. | Multi-layer molding nozzle |
US5156857A (en) * | 1988-11-23 | 1992-10-20 | American National Can Company | Extrusion die for extrusion blow molding equipment |
NO171048C (no) * | 1989-12-19 | 1993-01-20 | Soennichsen As | Smoereinnretning for plastekstrudere |
US5279781A (en) * | 1990-06-12 | 1994-01-18 | Tanaka Kikinzoku Kogyo K.K. | Melt-spin process for electroconductive fibers used in human-implantable electrode and cloth |
US5369762A (en) * | 1990-06-28 | 1994-11-29 | Wolf; William M. | Method for sorting data in a computer at high speed by using data word values for address locations |
JPH0753394B2 (ja) * | 1990-07-16 | 1995-06-07 | 日精エー・エス・ビー機械株式会社 | 多層成形用ホットランナー金型 |
US5198239A (en) * | 1991-07-08 | 1993-03-30 | Beavers Charles T | Apparatus for co-extruding two food products |
JP2794268B2 (ja) * | 1994-10-21 | 1998-09-03 | 日精樹脂工業株式会社 | 合成樹脂中空体,発泡体等の成形用射出装置 |
DE19521718C1 (de) * | 1995-06-14 | 1996-05-15 | Krauss Maffei Ag | Spritzgießvorrichtung |
DE19606045C2 (de) * | 1996-02-19 | 1997-11-27 | Krupp Ag Hoesch Krupp | Verfahren zum Spritzgießen von dreischichtigen Spritzlingen und Vorrichtung für die Durchführung des Verfahrens |
DE19613779C2 (de) * | 1996-04-04 | 1998-07-16 | Krupp Ag Hoesch Krupp | Verfahren zum Spritzgießen von dreischichtigen Spritzlingen und Vorrichtung für die Durchführung des Verfahrens |
DE19617349C1 (de) * | 1996-04-30 | 1997-09-04 | Hans Kuehn | Spritzgießverfahren zur Herstellung von mehrschichtigen Kunststofftuben |
US5900260A (en) * | 1996-12-09 | 1999-05-04 | Cincinnati Milacron Inc. | Accumulator head having a segmented barrel |
EP0887169A1 (de) * | 1997-06-27 | 1998-12-30 | Altoplast AG | Verfahren zum Herstellen eines mehrschichtigen Vorformlings und nach dem Verfahren hergestellter Vorformling |
US5972258A (en) * | 1997-10-20 | 1999-10-26 | Husky Injection Molding Systems Ltd. | Method of using a multiple gating nozzle |
CA2219247C (en) * | 1997-10-23 | 2006-12-05 | Mold-Masters Limited | Injection molding apparatus having a melt bore through the front end of the pin |
AU748653B2 (en) | 1998-05-01 | 2002-06-06 | John F. Cline | Method for injection molding manufacture of controlled release devices |
CA2253042C (en) * | 1998-11-05 | 2007-04-17 | Jobst Ulrich Gellert | Method of three layer injection molding with sequential and simultaneous coinjection |
US6440350B1 (en) | 1999-03-18 | 2002-08-27 | Mold-Masters Limited | Apparatus and method for multi-layer injection molding |
US6655945B1 (en) * | 1999-03-18 | 2003-12-02 | Mold Masters Limited | Apparatus and method for multi-layer injection molding |
US6398537B2 (en) | 1999-04-02 | 2002-06-04 | Mold-Masters Limited | Shuttle system for an apparatus for injection molding |
US6196826B1 (en) | 1999-05-28 | 2001-03-06 | Mold-Masters Limited | Seepage system for an injection molding apparatus |
US6706438B2 (en) * | 2000-08-10 | 2004-03-16 | Honda Giken Kogyo Kabushiki Kaisha | Fluid supply device for fuel cell |
US7207796B2 (en) * | 2004-07-01 | 2007-04-24 | Husky Injection Moldiing Systems Ltd. | Hot runner coinjection nozzle with thermally separated melt channels |
CA2573139C (en) | 2004-07-07 | 2015-08-25 | Kortec, Inc. | Multilayer molding using temperature adjustment of flow rate in conjunction with shooting pot technology |
BE1017012A6 (nl) * | 2005-03-25 | 2007-12-04 | Resilux | Behouder en voorvorm voor het blaasvormen hiervan en werkwijze voor het vervaardigen hiervan. |
DE102006007482B4 (de) * | 2006-02-17 | 2014-06-18 | Leadx Ag | Vorrichtung und Verfahren zur Herstellung einer rohrförmigen Umhüllung |
DE102006040182A1 (de) * | 2006-08-26 | 2008-03-06 | Mht Mold & Hotrunner Technology Ag | Verfahren zur Herstellung eines mehrschichtigen Vorformlings sowie Düse hierfür |
US20080093772A1 (en) | 2006-10-06 | 2008-04-24 | Graham Packing Company, Lp | Method and apparatus for delivering sequential shots to multiple cavities to form multilayer articles |
CA2622692C (en) * | 2007-02-26 | 2015-10-06 | Advanced Drainage Systems, Inc. | Defined ratio dual-wall pipe die |
EP2618982B1 (en) | 2010-09-21 | 2018-10-31 | Mold-Masters (2007) Limited | Coinjection hot runner injection molding system |
US9498911B2 (en) | 2010-09-21 | 2016-11-22 | Mold-Masters (2007) Limited | Coinjection hot runner injection molding system |
US9073246B2 (en) | 2011-09-21 | 2015-07-07 | Mold-Masters (2007) Limited | Coinjection hot runner injection molding system |
DE102014004221A1 (de) | 2014-03-25 | 2015-10-01 | Hpt Hochwertige Pharmatechnik Gmbh & Co. Kg | Spritzstation für die Herstellung von Multilayer-Vorformlingen |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
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FR1290262A (fr) * | 1961-03-01 | 1962-04-13 | Perfectionnements aux machines d'injection pour matières plastiques | |
US4052497A (en) * | 1973-09-21 | 1977-10-04 | Billion S.A. | Method of injection-moulding by injection of an article composed of at least three different materials |
JPS5223160A (en) * | 1975-08-15 | 1977-02-21 | Asahi Dow Ltd | Device for injection molding sandwich structure |
US4190409A (en) * | 1977-10-14 | 1980-02-26 | Karl Hehl | Apparatus for injecting confluent streams of plastic |
JPS5650700A (en) * | 1979-09-06 | 1981-05-07 | Cbs Inc | Sound reproducer using acoustic processor |
DE3305931A1 (de) * | 1983-02-21 | 1984-08-23 | Battenfeld Maschfab | Vorrichtung zum diskontinuierlichen herstellen von mehrschicht-formkoerpern aus kunststoff |
US4511528A (en) * | 1983-04-13 | 1985-04-16 | American Can Company | Flow stream channel splitter devices for multi-coinjection nozzle injection molding machines |
JPS60179418U (ja) * | 1984-05-09 | 1985-11-28 | 日精エー・エス・ビー機械株式会社 | 三層成形用ホツトランナ−金型 |
US4657496A (en) * | 1984-06-04 | 1987-04-14 | Gifu Husky Co., Ltd. | Hot-runner mold for injection molding |
AU4558685A (en) * | 1984-07-31 | 1986-02-06 | Nissei Asb Machine Co., Ltd. | Multi-layer parison |
JPS61274912A (ja) * | 1985-05-31 | 1986-12-05 | Nissei Ee S B Kikai Kk | 多層成形用ノズル装置 |
US4863665A (en) * | 1987-05-18 | 1989-09-05 | Husky Injection Molding Systems, Ltd. | Tri-injection of hollow articles |
-
1987
- 1987-10-30 WO PCT/JP1987/000841 patent/WO1989003756A1/ja active IP Right Grant
- 1987-10-30 EP EP87907143A patent/EP0374247B1/en not_active Expired - Lifetime
- 1987-10-30 DE DE3750765T patent/DE3750765T2/de not_active Expired - Lifetime
- 1987-10-30 US US07/381,650 patent/US5030077A/en not_active Expired - Lifetime
- 1987-10-30 KR KR1019890701181A patent/KR950012854B1/ko not_active IP Right Cessation
- 1987-10-30 AU AU81565/87A patent/AU604278B2/en not_active Expired
-
1989
- 1989-06-30 RU SU894614754A patent/RU1838120C/ru active
Also Published As
Publication number | Publication date |
---|---|
RU1838120C (ru) | 1993-08-30 |
EP0374247A4 (en) | 1989-11-07 |
AU604278B2 (en) | 1990-12-13 |
WO1989003756A1 (en) | 1989-05-05 |
DE3750765D1 (de) | 1994-12-22 |
KR890701313A (ko) | 1989-12-20 |
AU8156587A (en) | 1989-05-23 |
DE3750765T2 (de) | 1995-06-22 |
EP0374247A1 (en) | 1990-06-27 |
US5030077A (en) | 1991-07-09 |
EP0374247B1 (en) | 1994-11-17 |
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