JPS5339360A - Method of producing bridged polyolefin mold - Google Patents

Method of producing bridged polyolefin mold

Info

Publication number
JPS5339360A
JPS5339360A JP11397076A JP11397076A JPS5339360A JP S5339360 A JPS5339360 A JP S5339360A JP 11397076 A JP11397076 A JP 11397076A JP 11397076 A JP11397076 A JP 11397076A JP S5339360 A JPS5339360 A JP S5339360A
Authority
JP
Japan
Prior art keywords
polyolefin mold
producing bridged
producing
mold
bridged polyolefin
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
JP11397076A
Other languages
Japanese (ja)
Inventor
Hiroo Itou
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.)
Furukawa Electric Co Ltd
Original Assignee
Furukawa Electric 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 Furukawa Electric Co Ltd filed Critical Furukawa Electric Co Ltd
Priority to JP11397076A priority Critical patent/JPS5339360A/en
Publication of JPS5339360A publication Critical patent/JPS5339360A/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
    • B29C48/565—Screws having projections other than the thread, e.g. pins
    • 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
    • B29C48/385—Plasticisers, homogenisers or feeders comprising two or more stages using two or more serially arranged screws in separate barrels
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
JP11397076A 1976-09-22 1976-09-22 Method of producing bridged polyolefin mold Pending JPS5339360A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11397076A JPS5339360A (en) 1976-09-22 1976-09-22 Method of producing bridged polyolefin mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11397076A JPS5339360A (en) 1976-09-22 1976-09-22 Method of producing bridged polyolefin mold

Publications (1)

Publication Number Publication Date
JPS5339360A true JPS5339360A (en) 1978-04-11

Family

ID=14625765

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11397076A Pending JPS5339360A (en) 1976-09-22 1976-09-22 Method of producing bridged polyolefin mold

Country Status (1)

Country Link
JP (1) JPS5339360A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4747987A (en) * 1984-11-30 1988-05-31 Bayer Aktiengesellschaft Process for the production of filler-containing acrylic and modacrylic fibers
JP2005193670A (en) * 2004-01-02 2005-07-21 Everfocus Worldwide Co Ltd The formation method which enables the control of fine open cell core in fluid polymer material, and its apparatus

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS48100479A (en) * 1972-04-01 1973-12-18

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS48100479A (en) * 1972-04-01 1973-12-18

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4747987A (en) * 1984-11-30 1988-05-31 Bayer Aktiengesellschaft Process for the production of filler-containing acrylic and modacrylic fibers
JP2005193670A (en) * 2004-01-02 2005-07-21 Everfocus Worldwide Co Ltd The formation method which enables the control of fine open cell core in fluid polymer material, and its apparatus
JP4559846B2 (en) * 2004-01-02 2010-10-13 エバーフォーカス ワールドワイド カンパニー リミテッド Generation method and apparatus capable of controlling microbubble nuclei in fluid polymer material

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