JPS5667256A - Cooextruding multilayer film of low density polyethylene and high density polyethylene and its manufacture - Google Patents

Cooextruding multilayer film of low density polyethylene and high density polyethylene and its manufacture

Info

Publication number
JPS5667256A
JPS5667256A JP14361179A JP14361179A JPS5667256A JP S5667256 A JPS5667256 A JP S5667256A JP 14361179 A JP14361179 A JP 14361179A JP 14361179 A JP14361179 A JP 14361179A JP S5667256 A JPS5667256 A JP S5667256A
Authority
JP
Japan
Prior art keywords
density polyethylene
cooextruding
manufacture
multilayer film
high density
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
JP14361179A
Other languages
Japanese (ja)
Inventor
Toshio Hirakawa
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.)
HIRAKAWA SANGYO KK
Original Assignee
HIRAKAWA SANGYO KK
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 HIRAKAWA SANGYO KK filed Critical HIRAKAWA SANGYO KK
Priority to JP14361179A priority Critical patent/JPS5667256A/en
Publication of JPS5667256A publication Critical patent/JPS5667256A/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
    • B29C48/30—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
    • B29C48/337—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging at a common location
    • 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
JP14361179A 1979-11-05 1979-11-05 Cooextruding multilayer film of low density polyethylene and high density polyethylene and its manufacture Pending JPS5667256A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14361179A JPS5667256A (en) 1979-11-05 1979-11-05 Cooextruding multilayer film of low density polyethylene and high density polyethylene and its manufacture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14361179A JPS5667256A (en) 1979-11-05 1979-11-05 Cooextruding multilayer film of low density polyethylene and high density polyethylene and its manufacture

Publications (1)

Publication Number Publication Date
JPS5667256A true JPS5667256A (en) 1981-06-06

Family

ID=15342753

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14361179A Pending JPS5667256A (en) 1979-11-05 1979-11-05 Cooextruding multilayer film of low density polyethylene and high density polyethylene and its manufacture

Country Status (1)

Country Link
JP (1) JPS5667256A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5692023A (en) * 1979-12-27 1981-07-25 Idemitsu Petrochem Co Ltd Molding of two-layer film
JPS5864952A (en) * 1981-10-05 1983-04-18 出光石油化学株式会社 Bag for packing
JPS5938058A (en) * 1982-08-27 1984-03-01 出光石油化学株式会社 Laminate
JPS60242056A (en) * 1984-05-17 1985-12-02 昭和電工株式会社 Laminated film
JPS6116854A (en) * 1984-07-04 1986-01-24 昭和電工株式会社 Bag

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5692023A (en) * 1979-12-27 1981-07-25 Idemitsu Petrochem Co Ltd Molding of two-layer film
JPS6357223B2 (en) * 1979-12-27 1988-11-10 Idemitsu Petrochemical Co
JPS5864952A (en) * 1981-10-05 1983-04-18 出光石油化学株式会社 Bag for packing
JPS5938058A (en) * 1982-08-27 1984-03-01 出光石油化学株式会社 Laminate
JPH0241411B2 (en) * 1982-08-27 1990-09-17
JPS60242056A (en) * 1984-05-17 1985-12-02 昭和電工株式会社 Laminated film
JPS6116854A (en) * 1984-07-04 1986-01-24 昭和電工株式会社 Bag

Similar Documents

Publication Publication Date Title
US4863784C1 (en) Multilayer film containing very low density polyethylene
DE3476980D1 (en) Oriented polyethylene film and method of manufacture
GB2124139B (en) Producing low density polyethylene film
JPS57117951A (en) Porous polyethylene film and its manufacture
DE3071073D1 (en) Oriented polypropylene film substrate and method of manufacture
JPS57210853A (en) Three-layer film with core layer of low pressure and low density polyethylene
JPS5653064A (en) Metallized film and its manufacture
DE3066091D1 (en) Film forming composition and uses thereof
JPS5291083A (en) Pressure film laminate of low density polyethylene
JPS5622307A (en) Manufacture of propylene and 11butene copolymer
JPS56101850A (en) Three layer film with core layer of lowwpressure lowwdensity polyethylene
JPS5667256A (en) Cooextruding multilayer film of low density polyethylene and high density polyethylene and its manufacture
JPS5675857A (en) Cold high extending multilayer film and its manufacture
JPS5581156A (en) Fiveelayer film of high gas blocking property and method of making said film
JPS5689944A (en) Thermoocontractive film and its manufacture
JPS5622956A (en) Manufacture of reagenttbinding agent film
JPS56162639A (en) Multilayer plastic film and its manufacture
JPS55149241A (en) Manufacture of arylmonourethane and arylpolyurethane
ZA772363B (en) Film forming composition and film
JPS5595944A (en) Film cassftte* camera using same* and production of film cassette
JPS57115344A (en) Manufacture of polyethylene laminated film
JPS55145738A (en) Manufacture of biaxially oriented film
JPS5593451A (en) Laminated film* making method thereof and container employing said film
JPS5689945A (en) Thermoocontractive cylindrical laminated film and its manufacture
JPS5487778A (en) Polyethylene film and its manufacture