JPS5334859A - Extruder for molding multilayer composite film - Google Patents

Extruder for molding multilayer composite film

Info

Publication number
JPS5334859A
JPS5334859A JP10853076A JP10853076A JPS5334859A JP S5334859 A JPS5334859 A JP S5334859A JP 10853076 A JP10853076 A JP 10853076A JP 10853076 A JP10853076 A JP 10853076A JP S5334859 A JPS5334859 A JP S5334859A
Authority
JP
Japan
Prior art keywords
extruder
composite film
multilayer composite
molding multilayer
molding
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.)
Pending
Application number
JP10853076A
Other languages
Japanese (ja)
Inventor
Saburou Matsubayashi
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries 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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP10853076A priority Critical patent/JPS5334859A/en
Publication of JPS5334859A publication Critical patent/JPS5334859A/en
Pending 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/53—Screws having a varying channel depth, e.g. varying the diameter of the longitudinal screw trunk
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/297—Feeding the extrusion material to the extruder at several locations, e.g. using several hoppers or using a separate additive feeding
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
    • B29C48/38—Plasticisers, homogenisers or feeders comprising two or more stages using two or more serially arranged screws in the same barrel
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/51—Screws with internal flow passages, e.g. for molten 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/58—Screws provided with seal ring elements, i.e. elements of generally circular and tapered shape for preventing the back flow of the melt
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/74—Bypassing means, i.e. part of the molten material being diverted into downstream stages of the extruder
    • B29C48/745—Bypassing means, i.e. part of the molten material being diverted into downstream stages of the extruder for plasticising or homogenising devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
JP10853076A 1976-09-10 1976-09-10 Extruder for molding multilayer composite film Pending JPS5334859A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10853076A JPS5334859A (en) 1976-09-10 1976-09-10 Extruder for molding multilayer composite film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10853076A JPS5334859A (en) 1976-09-10 1976-09-10 Extruder for molding multilayer composite film

Publications (1)

Publication Number Publication Date
JPS5334859A true JPS5334859A (en) 1978-03-31

Family

ID=14487127

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10853076A Pending JPS5334859A (en) 1976-09-10 1976-09-10 Extruder for molding multilayer composite film

Country Status (1)

Country Link
JP (1) JPS5334859A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5667238A (en) * 1979-11-07 1981-06-06 Hitachi Chem Co Ltd Extrusion molding device for composite body
JPS56159138A (en) * 1980-05-12 1981-12-08 Hitachi Chem Co Ltd Extrusion molder for multilayer composite object
WO1987003533A1 (en) * 1985-12-16 1987-06-18 Exxon Chemical Patents, Inc. Method for making composite films
EP1444082A4 (en) * 2001-10-18 2009-09-02 Community Entpr Llc Apparatus for injection molding multilayered articles

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5667238A (en) * 1979-11-07 1981-06-06 Hitachi Chem Co Ltd Extrusion molding device for composite body
JPS56159138A (en) * 1980-05-12 1981-12-08 Hitachi Chem Co Ltd Extrusion molder for multilayer composite object
JPS6353012B2 (en) * 1980-05-12 1988-10-20 Hitachi Chemical Co Ltd
WO1987003533A1 (en) * 1985-12-16 1987-06-18 Exxon Chemical Patents, Inc. Method for making composite films
EP1444082A4 (en) * 2001-10-18 2009-09-02 Community Entpr Llc Apparatus for injection molding multilayered articles

Similar Documents

Publication Publication Date Title
AU511816B2 (en) Extruded multilayer containers
AU505982B2 (en) Polypropylene composite film
JPS5394537A (en) Molding thermoplastic composition
JPS5381561A (en) Thermoplastic molding composition
JPS5369253A (en) Thermoplastic molding composition
JPS54155260A (en) Forming extruded thermoplastic film
JPS5374558A (en) Thermoplastic molding composition
JPS5394538A (en) Thermoplastic molding composition
JPS5385855A (en) Sheet molding apparatus equipped extruder
JPS532600A (en) Composite for molding
JPS5334859A (en) Extruder for molding multilayer composite film
AU2629177A (en) Extruded Film
GB1553459A (en) Extruder diehead
JPS538668A (en) Extruder for thermoplastic resin foam
JPS52136207A (en) Extrusion molding
AU2660977A (en) Extrudable thermoplastic film composition
JPS5628854A (en) Composite film for deep drawing molding
JPS5329870A (en) Synthetic resin foam composite film bag having transparent portion and cylindrical film extrusion die used for the same bag
JPS5651349A (en) Multilayer thermoplastic resin structure
JPS5259670A (en) Cooling roll for forming thermoplastic resin film
JPS5351256A (en) Mold for forming resin
JPS52133369A (en) Screw for biaxial extruder
JPS5379684A (en) Common extrusion multilayer container
JPS5675856A (en) Multilayer extruding molding
JPS57148648A (en) Composite film for molding