JPS5431465A - Die for extruding multilayered tube - Google Patents

Die for extruding multilayered tube

Info

Publication number
JPS5431465A
JPS5431465A JP9749377A JP9749377A JPS5431465A JP S5431465 A JPS5431465 A JP S5431465A JP 9749377 A JP9749377 A JP 9749377A JP 9749377 A JP9749377 A JP 9749377A JP S5431465 A JPS5431465 A JP S5431465A
Authority
JP
Japan
Prior art keywords
die
extruding
multilayered tube
spiral
resin
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
JP9749377A
Other languages
Japanese (ja)
Other versions
JPS5523733B2 (en
Inventor
Isao Kokubu
Yoshiharu Nishimoto
Kenji Akiyama
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.)
Kureha Corp
Original Assignee
Kureha Corp
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 Kureha Corp filed Critical Kureha Corp
Priority to JP9749377A priority Critical patent/JPS5431465A/en
Publication of JPS5431465A publication Critical patent/JPS5431465A/en
Publication of JPS5523733B2 publication Critical patent/JPS5523733B2/ja
Granted 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
    • B29C48/695—Flow dividers, e.g. breaker plates
    • B29C48/70—Flow dividers, e.g. breaker plates comprising means for dividing, distributing and recombining melt flows
    • B29C48/705—Flow dividers, e.g. breaker plates comprising means for dividing, distributing and recombining melt flows in the die zone, e.g. to create flow homogeneity
    • 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
    • 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
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
    • 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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular 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
    • 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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
    • B29C48/336—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging one by one down streams in the die
    • B29C48/3363—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging one by one down streams in the die using a layered die, e.g. stacked discs
    • 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
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

PURPOSE:Title die giving multilayered films with high interlaminar strength in which another inlet for additional resin is provided at the part where the depth of spiral groove gradually becomes shallow toward resin-advencing direction and the spiral is expanded at the same part.
JP9749377A 1977-08-16 1977-08-16 Die for extruding multilayered tube Granted JPS5431465A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9749377A JPS5431465A (en) 1977-08-16 1977-08-16 Die for extruding multilayered tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9749377A JPS5431465A (en) 1977-08-16 1977-08-16 Die for extruding multilayered tube

Publications (2)

Publication Number Publication Date
JPS5431465A true JPS5431465A (en) 1979-03-08
JPS5523733B2 JPS5523733B2 (en) 1980-06-25

Family

ID=14193786

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9749377A Granted JPS5431465A (en) 1977-08-16 1977-08-16 Die for extruding multilayered tube

Country Status (1)

Country Link
JP (1) JPS5431465A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4403934A (en) * 1980-02-29 1983-09-13 Ole-Bendt Rasmussen Coextrusion die
US4707080A (en) * 1981-09-16 1987-11-17 Manchester R & D Partnership Encapsulated liquid crystal material, apparatus and method
US5082351A (en) * 1981-09-16 1992-01-21 Manchester R & D Partnership Encapsulated liquid crystal material, apparatus and method
US5089904A (en) * 1981-09-16 1992-02-18 Fergason James L Encapsulated liquid crystal material, apparatus and method
US5256051A (en) * 1990-06-01 1993-10-26 Mauser-Werke Gmbh Storage head for a blow molding machine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4403934A (en) * 1980-02-29 1983-09-13 Ole-Bendt Rasmussen Coextrusion die
US4707080A (en) * 1981-09-16 1987-11-17 Manchester R & D Partnership Encapsulated liquid crystal material, apparatus and method
US5082351A (en) * 1981-09-16 1992-01-21 Manchester R & D Partnership Encapsulated liquid crystal material, apparatus and method
US5089904A (en) * 1981-09-16 1992-02-18 Fergason James L Encapsulated liquid crystal material, apparatus and method
US5256051A (en) * 1990-06-01 1993-10-26 Mauser-Werke Gmbh Storage head for a blow molding machine

Also Published As

Publication number Publication date
JPS5523733B2 (en) 1980-06-25

Similar Documents

Publication Publication Date Title
JPS523977A (en) Torque convertor of vehicle
JPS5431465A (en) Die for extruding multilayered tube
ES8607840A1 (en) Apparatus for making an elongated composite article
SU685166A3 (en) Flared-end pipe
EP0186725A3 (en) Shaped pvc article
IE812230L (en) Producing embossed film.
JPS5458766A (en) Multicolored vessels and their formation
JPS52147692A (en) Continuous polymerization of polyethylene terephthalate
JPS5345376A (en) Method of producing high molecular polyolefin resin sheet or film
JPS5377490A (en) Electronic buzzer
JPS52109589A (en) Unsaturated polyester resin composition for pressure molding
JPS5695640A (en) Manufacture of synthetic resin light diffusing sheet
JPS53118474A (en) Production of drawn thermoplastic resin films and its device
JPS57189820A (en) Die for blown film
JPS53134879A (en) Production of polyolefin film
SU640010A1 (en) Screw tying lock
JPS5424969A (en) Complicated molded resin article and its manufacture
JPS5682391A (en) Skive-finned tube
JPS5429380A (en) Manufacture of composite sheet
JPS5537395A (en) Jointing method of both barrel part and shoulder part for extruding tube
JPS5313976A (en) Testing method for plastics exterior parts
JPS5682390A (en) Skive-finned tube
JPS56162627A (en) Manufacture of molding
JPS51134969A (en) Production of heat-insulating sheath
ATE16666T1 (en) ELECTRONIC AMPLIFIER WITH A TRANSMISSION VARIABLE BY A CONTROL VOLTAGE, IN PARTICULAR EXPANDER.