JPH0148132B2 - - Google Patents

Info

Publication number
JPH0148132B2
JPH0148132B2 JP57182208A JP18220882A JPH0148132B2 JP H0148132 B2 JPH0148132 B2 JP H0148132B2 JP 57182208 A JP57182208 A JP 57182208A JP 18220882 A JP18220882 A JP 18220882A JP H0148132 B2 JPH0148132 B2 JP H0148132B2
Authority
JP
Japan
Prior art keywords
film
ethylene
present
density
weight
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
Application number
JP57182208A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5971824A (ja
Inventor
Juji Aoki
Takanori Aijima
Shunichi Nakazawa
Mitsuki Fuji
Masakazu Ito
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.)
Idemitsu Petrochemical Co Ltd
Original Assignee
Idemitsu Petrochemical 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 Idemitsu Petrochemical Co Ltd filed Critical Idemitsu Petrochemical Co Ltd
Priority to JP57182208A priority Critical patent/JPS5971824A/ja
Publication of JPS5971824A publication Critical patent/JPS5971824A/ja
Publication of JPH0148132B2 publication Critical patent/JPH0148132B2/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
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D7/00—Producing flat articles, e.g. films or sheets
    • 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
    • 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
    • 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
    • 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
    • B29K2023/04—Polymers of ethylene
    • B29K2023/06—PE, i.e. polyethylene

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
JP57182208A 1982-10-19 1982-10-19 包装用フイルムの製造方法 Granted JPS5971824A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57182208A JPS5971824A (ja) 1982-10-19 1982-10-19 包装用フイルムの製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57182208A JPS5971824A (ja) 1982-10-19 1982-10-19 包装用フイルムの製造方法

Publications (2)

Publication Number Publication Date
JPS5971824A JPS5971824A (ja) 1984-04-23
JPH0148132B2 true JPH0148132B2 (en]) 1989-10-18

Family

ID=16114240

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57182208A Granted JPS5971824A (ja) 1982-10-19 1982-10-19 包装用フイルムの製造方法

Country Status (1)

Country Link
JP (1) JPS5971824A (en])

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5331751A (en) * 1976-09-03 1978-03-25 Jujo Paper Co Ltd Packaging film
JPS5597928A (en) * 1979-01-20 1980-07-25 Jujo Paper Co Ltd Production of packing film
JPS58122826A (ja) * 1982-01-16 1983-07-21 Mitsubishi Chem Ind Ltd ポリエチレンフイルムの製造方法

Also Published As

Publication number Publication date
JPS5971824A (ja) 1984-04-23

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