JPH0442179B2 - - Google Patents

Info

Publication number
JPH0442179B2
JPH0442179B2 JP59019382A JP1938284A JPH0442179B2 JP H0442179 B2 JPH0442179 B2 JP H0442179B2 JP 59019382 A JP59019382 A JP 59019382A JP 1938284 A JP1938284 A JP 1938284A JP H0442179 B2 JPH0442179 B2 JP H0442179B2
Authority
JP
Japan
Prior art keywords
sheet
polypropylene
weight
transparency
parts
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.)
Expired - Lifetime
Application number
JP59019382A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60165221A (ja
Inventor
Katsuyuki Usami
Tooru Ueki
Hajime Chitoku
Takashi Takahashi
Kazuharu Kanezaki
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.)
Mitsui Toatsu Chemicals Inc
Original Assignee
Mitsui Toatsu Chemicals Inc
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 Mitsui Toatsu Chemicals Inc filed Critical Mitsui Toatsu Chemicals Inc
Priority to JP59019382A priority Critical patent/JPS60165221A/ja
Publication of JPS60165221A publication Critical patent/JPS60165221A/ja
Publication of JPH0442179B2 publication Critical patent/JPH0442179B2/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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
    • 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
    • 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
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/10—Polymers of propylene
    • B29K2023/12—PP, i.e. polypropylene

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Packages (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
JP59019382A 1984-02-07 1984-02-07 プレススル−パツク包装用ポリプロピレンシ−トの製造方法 Granted JPS60165221A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59019382A JPS60165221A (ja) 1984-02-07 1984-02-07 プレススル−パツク包装用ポリプロピレンシ−トの製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59019382A JPS60165221A (ja) 1984-02-07 1984-02-07 プレススル−パツク包装用ポリプロピレンシ−トの製造方法

Publications (2)

Publication Number Publication Date
JPS60165221A JPS60165221A (ja) 1985-08-28
JPH0442179B2 true JPH0442179B2 (enExample) 1992-07-10

Family

ID=11997755

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59019382A Granted JPS60165221A (ja) 1984-02-07 1984-02-07 プレススル−パツク包装用ポリプロピレンシ−トの製造方法

Country Status (1)

Country Link
JP (1) JPS60165221A (enExample)

Also Published As

Publication number Publication date
JPS60165221A (ja) 1985-08-28

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term