JPS5537335A - 2 layer parisons molding method in injection blast molding - Google Patents

2 layer parisons molding method in injection blast molding

Info

Publication number
JPS5537335A
JPS5537335A JP11036378A JP11036378A JPS5537335A JP S5537335 A JPS5537335 A JP S5537335A JP 11036378 A JP11036378 A JP 11036378A JP 11036378 A JP11036378 A JP 11036378A JP S5537335 A JPS5537335 A JP S5537335A
Authority
JP
Japan
Prior art keywords
core
cavity
molding
layer parison
injection
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.)
Granted
Application number
JP11036378A
Other languages
Japanese (ja)
Other versions
JPS5917939B2 (en
Inventor
Yoshinori Nakamura
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.)
Nissei Plastic Industrial Co Ltd
Original Assignee
Nissei Plastic Industrial Co Ltd
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 Nissei Plastic Industrial Co Ltd filed Critical Nissei Plastic Industrial Co Ltd
Priority to JP53110363A priority Critical patent/JPS5917939B2/en
Publication of JPS5537335A publication Critical patent/JPS5537335A/en
Publication of JPS5917939B2 publication Critical patent/JPS5917939B2/en
Expired legal-status Critical Current

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
    • B29C45/1684—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
    • 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
    • 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
    • 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
    • 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

Landscapes

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

Abstract

PURPOSE:To enable two layer parisons to be moled with high precision in a single cavity by molding the outer layer parison made of the molten resin between the cavity and the core with built-in cooling means and then molding the inner layer parison after replacing the above core with the injection core. CONSTITUTION:A cavity 1 heated at a predetermined temperature and a core 3 within which cooling water is passed through are clamped together to mold an outer layer parison 14a while injecting the molten resin through a gate 1a. At the innerside of the outer layer parison 14a formed is a skin layer through cooling process. After removing the core 3, an injection core 7 is clamped to the cavity 1 alternately. At this time, a nozzle 6 is touched to a gate provided on a base plate 12 of the injection core 7 and then molten resin is injected into a molding space 15 through a tip of the injection core 7 to mold an inner layer parison 14b including a neck 14c at the innerside of the outerside layer parison 14a. A two layer parisons 14 is removed from the cavity 1 by opening it and then transferred to a cavity 17. After clamping, air is blasted into the space between the injection core 7 and the inner layer parison 14a to expand and thus obtain a hollow molded product 18.
JP53110363A 1978-09-08 1978-09-08 Two-layer parison molding method in injection blow molding Expired JPS5917939B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP53110363A JPS5917939B2 (en) 1978-09-08 1978-09-08 Two-layer parison molding method in injection blow molding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53110363A JPS5917939B2 (en) 1978-09-08 1978-09-08 Two-layer parison molding method in injection blow molding

Publications (2)

Publication Number Publication Date
JPS5537335A true JPS5537335A (en) 1980-03-15
JPS5917939B2 JPS5917939B2 (en) 1984-04-24

Family

ID=14533880

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53110363A Expired JPS5917939B2 (en) 1978-09-08 1978-09-08 Two-layer parison molding method in injection blow molding

Country Status (1)

Country Link
JP (1) JPS5917939B2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60201909A (en) * 1984-03-26 1985-10-12 Toyo Seikan Kaisha Ltd Manufacture of multilayer stretch blown bottle
JPS6454813U (en) * 1987-10-01 1989-04-04
JPH0199218U (en) * 1987-12-25 1989-07-03
JPH031806A (en) * 1989-05-31 1991-01-08 Murao:Kk Connected accessory and manufacture thereof
US5766651A (en) * 1994-12-09 1998-06-16 Plasthing S.A.S. Di Modesto Massano E.C. Equipment for the injection-moulding of containers or parisons for containers of plastics material

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60201909A (en) * 1984-03-26 1985-10-12 Toyo Seikan Kaisha Ltd Manufacture of multilayer stretch blown bottle
JPS6454813U (en) * 1987-10-01 1989-04-04
JPH0199218U (en) * 1987-12-25 1989-07-03
JPH031806A (en) * 1989-05-31 1991-01-08 Murao:Kk Connected accessory and manufacture thereof
US5766651A (en) * 1994-12-09 1998-06-16 Plasthing S.A.S. Di Modesto Massano E.C. Equipment for the injection-moulding of containers or parisons for containers of plastics material

Also Published As

Publication number Publication date
JPS5917939B2 (en) 1984-04-24

Similar Documents

Publication Publication Date Title
IL74471A (en) Process of making injection moldings and injection mold for carrying out the process
GB989179A (en) Hollow plastic article and process of making
SE7712785L (en) PROCEDURE AND APPLIANCE FOR BLASHING OF IHALIGA FOREMALS
GB936407A (en) Methods of and apparatus for the production of moulded hollow articles
DE69413499D1 (en) Process for injection stretch blow molding of polyethylene
GB1122516A (en) Process and device for the manufacture of hollow bodies from thermoplastic material
ES8503553A1 (en) Method of making a hollow article of polypropylene by biaxial stretch blow moulding
GB1152795A (en) Method and apparatus for making Hollow Articles of Organic Plastics Material
JPS5537335A (en) 2 layer parisons molding method in injection blast molding
JPS57201632A (en) Manufacture of blow molded article
ES8105195A1 (en) METHOD FOR MAKING A PROFILE HOLLOW PROFILE
JPS54111557A (en) Hollow molded article having integrated internal ribs, and method for forming the same
JPS565746A (en) Hot runner mold for injection molding
GB1308781A (en) Manufacture of hollow bodies from plastics
ES393936A1 (en) Process for the production of amorphous transparent mouldings by the combined injection and blow moulding technique
JPS5770620A (en) Injection, stretch and blow molding apparatus for plastic product
JPS5597940A (en) Molding method of and apparatus for linked molding
GB1442824A (en) Process for the injection moulding of articles
JPS5793125A (en) Injection molding and stretching blow forming method
JPS55146717A (en) Method and mold for molding hollow molded body
JPS54153867A (en) Molding method of hollow containers
JPS6438214A (en) Method for molding product having closure film
JPS57113035A (en) Blow molding machine
ES8401743A1 (en) Method and device for manufacturing shape or product made of plastic
JPS56139935A (en) Device for manufacturing plastic hollow body