JPH0340690B2 - - Google Patents

Info

Publication number
JPH0340690B2
JPH0340690B2 JP57155171A JP15517182A JPH0340690B2 JP H0340690 B2 JPH0340690 B2 JP H0340690B2 JP 57155171 A JP57155171 A JP 57155171A JP 15517182 A JP15517182 A JP 15517182A JP H0340690 B2 JPH0340690 B2 JP H0340690B2
Authority
JP
Japan
Prior art keywords
film
cooling
rolls
pair
bubble
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
JP57155171A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5945121A (ja
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 filed Critical
Priority to JP57155171A priority Critical patent/JPS5945121A/ja
Publication of JPS5945121A publication Critical patent/JPS5945121A/ja
Publication of JPH0340690B2 publication Critical patent/JPH0340690B2/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
    • B29C48/03—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
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0019—Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
JP57155171A 1982-09-08 1982-09-08 インフレーションフィルムの製造方法および製造装置 Granted JPS5945121A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57155171A JPS5945121A (ja) 1982-09-08 1982-09-08 インフレーションフィルムの製造方法および製造装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57155171A JPS5945121A (ja) 1982-09-08 1982-09-08 インフレーションフィルムの製造方法および製造装置

Publications (2)

Publication Number Publication Date
JPS5945121A JPS5945121A (ja) 1984-03-13
JPH0340690B2 true JPH0340690B2 (OSRAM) 1991-06-19

Family

ID=15600050

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57155171A Granted JPS5945121A (ja) 1982-09-08 1982-09-08 インフレーションフィルムの製造方法および製造装置

Country Status (1)

Country Link
JP (1) JPS5945121A (OSRAM)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS501155A (OSRAM) * 1973-05-02 1975-01-08

Also Published As

Publication number Publication date
JPS5945121A (ja) 1984-03-13

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