AT307715B - Stretching device for simultaneous biaxial stretching of tubular films made of thermoplastic - Google Patents

Stretching device for simultaneous biaxial stretching of tubular films made of thermoplastic

Info

Publication number
AT307715B
AT307715B AT913669A AT913669A AT307715B AT 307715 B AT307715 B AT 307715B AT 913669 A AT913669 A AT 913669A AT 913669 A AT913669 A AT 913669A AT 307715 B AT307715 B AT 307715B
Authority
AT
Austria
Prior art keywords
stretching
thermoplastic
films made
simultaneous biaxial
tubular films
Prior art date
Application number
AT913669A
Other languages
German (de)
Original Assignee
Kohjin Co
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 Kohjin Co filed Critical Kohjin Co
Application granted granted Critical
Publication of AT307715B publication Critical patent/AT307715B/en

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)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
AT913669A 1968-09-28 1969-09-26 Stretching device for simultaneous biaxial stretching of tubular films made of thermoplastic AT307715B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6984668 1968-09-28

Publications (1)

Publication Number Publication Date
AT307715B true AT307715B (en) 1973-06-12

Family

ID=13414564

Family Applications (1)

Application Number Title Priority Date Filing Date
AT913669A AT307715B (en) 1968-09-28 1969-09-26 Stretching device for simultaneous biaxial stretching of tubular films made of thermoplastic

Country Status (8)

Country Link
AT (1) AT307715B (en)
BR (1) BR6912771D0 (en)
CA (1) CA933713A (en)
DE (1) DE1948797C3 (en)
ES (1) ES371965A1 (en)
FR (1) FR2019129A1 (en)
NO (1) NO133096C (en)
SE (1) SE366243B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2102315C3 (en) * 1969-08-27 1982-02-11 Exxon Research and Engineering Co., 07036 Linden, N.J. Liquid cooling device for the outside of a tubular film made of thermoplastic material that is cooled inside by means of a cooling mandrel
DE2032346C3 (en) * 1970-06-30 1982-12-23 Windmöller & Hölscher, 4540 Lengerich Cooling device for tubular plastic films produced by means of a film blow head
GB1364236A (en) * 1970-07-21 1974-08-21 Bakelite Xylonite Ltd Extrusion processes
JPS5559930A (en) * 1978-10-31 1980-05-06 Idemitsu Petrochem Co Ltd Resin bubble stabilizing body
AU610366B2 (en) * 1988-03-31 1991-05-16 Idemitsu Petrochemical Co., Ltd. Method of and apparatus for manufacturing biaxially oriented film
US5158637A (en) * 1989-09-20 1992-10-27 Idemitsu Petrochemical Co., Ltd. Method of and an apparatus for thermally processing crystalline thermoplastic resin film
DE19728522C2 (en) * 1997-07-04 2000-12-28 Plamex Maschb Gmbh Method and device for producing single or multi-layer tubular films made of thermoplastic
DE102004040358A1 (en) * 2004-08-20 2006-03-02 Pfaff Gmbh System Innovation Spritzgiesstechnik Method for producing an indwelling catheter and indwelling catheter

Also Published As

Publication number Publication date
DE1948797B2 (en) 1973-03-15
DE1948797A1 (en) 1970-04-23
BR6912771D0 (en) 1973-04-26
CA933713A (en) 1973-09-18
DE1948797C3 (en) 1973-10-11
NO133096C (en) 1976-03-10
SE366243B (en) 1974-04-22
ES371965A1 (en) 1973-06-16
NO133096B (en) 1975-12-01
FR2019129A1 (en) 1970-06-26

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Legal Events

Date Code Title Description
ELA Expired due to lapse of time