DE2108360A1 - Verfahren und Vorrichtung zum Her stellen von Folien aus thermoplastischem Kunststoff - Google Patents

Verfahren und Vorrichtung zum Her stellen von Folien aus thermoplastischem Kunststoff

Info

Publication number
DE2108360A1
DE2108360A1 DE19712108360 DE2108360A DE2108360A1 DE 2108360 A1 DE2108360 A1 DE 2108360A1 DE 19712108360 DE19712108360 DE 19712108360 DE 2108360 A DE2108360 A DE 2108360A DE 2108360 A1 DE2108360 A1 DE 2108360A1
Authority
DE
Germany
Prior art keywords
hose
air
cooling
pressure
outside
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
DE19712108360
Other languages
German (de)
English (en)
Inventor
Rolf Dipl Ing 5630 Remscheid B29d 7 02 Hessenbruch
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.)
Oerlikon Barmag AG
Original Assignee
Barmag Barmer Maschinenfabrik AG
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 Barmag Barmer Maschinenfabrik AG filed Critical Barmag Barmer Maschinenfabrik AG
Priority to DE19712108360 priority Critical patent/DE2108360A1/de
Priority to IT48430/72A priority patent/IT948654B/it
Priority to FR7205771A priority patent/FR2126249B1/fr
Priority to GB807772A priority patent/GB1371858A/en
Publication of DE2108360A1 publication Critical patent/DE2108360A1/de
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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/885—External treatment, e.g. by using air rings for cooling tubular 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
    • 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
    • B29C48/89—Internal treatment, e.g. by applying an internal cooling fluid stream
    • 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
    • B29C48/9115—Cooling of hollow articles
    • B29C48/912—Cooling of hollow articles of tubular 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
    • B29C2793/00—Shaping techniques involving a cutting or machining operation
    • B29C2793/0063—Cutting longitudinally
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
DE19712108360 1971-02-22 1971-02-22 Verfahren und Vorrichtung zum Her stellen von Folien aus thermoplastischem Kunststoff Pending DE2108360A1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE19712108360 DE2108360A1 (de) 1971-02-22 1971-02-22 Verfahren und Vorrichtung zum Her stellen von Folien aus thermoplastischem Kunststoff
IT48430/72A IT948654B (it) 1971-02-22 1972-02-19 Procedimento e dispositivo per la produzione di fogli a partire da materiale sintetico termoplastico
FR7205771A FR2126249B1 (enExample) 1971-02-22 1972-02-21
GB807772A GB1371858A (en) 1971-02-22 1972-02-22 Producing film by continuous extrusion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712108360 DE2108360A1 (de) 1971-02-22 1971-02-22 Verfahren und Vorrichtung zum Her stellen von Folien aus thermoplastischem Kunststoff

Publications (1)

Publication Number Publication Date
DE2108360A1 true DE2108360A1 (de) 1972-09-07

Family

ID=5799467

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712108360 Pending DE2108360A1 (de) 1971-02-22 1971-02-22 Verfahren und Vorrichtung zum Her stellen von Folien aus thermoplastischem Kunststoff

Country Status (4)

Country Link
DE (1) DE2108360A1 (enExample)
FR (1) FR2126249B1 (enExample)
GB (1) GB1371858A (enExample)
IT (1) IT948654B (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2829062A1 (de) * 1978-07-01 1980-01-03 Wilfried Burghoff Verfahren und vorrichtung zum austausch der innenluft bei der herstellung von flachfolienbahnen aus blasfolien
CN118684037A (zh) * 2024-08-27 2024-09-24 浙江超信机械科技有限公司 一种具有自动收卷功能的吹膜机

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4115048A (en) * 1976-12-27 1978-09-19 Union Carbide Corporation Apparatus for internally cooling a plastic tubular film bubble
US4138453A (en) * 1977-05-17 1979-02-06 Exxon Research & Engineering Co. Process for manufacturing blown film sheeting
CA1274366A (en) * 1987-03-31 1990-09-25 Robert J. Cole Bubble forming and stabilizing device for use in a continuous extrusion process for making a blown film
DK3077309T3 (en) * 2013-11-06 2019-04-23 Jesco Holding Aps System and method for providing ionized air for extruded mold blown web materials and a knife for cutting a tubular extruded mold blown web material into two or more webs

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3265552A (en) * 1961-11-24 1966-08-09 Monsanto Co Method for coating of biaxially oriented film

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2829062A1 (de) * 1978-07-01 1980-01-03 Wilfried Burghoff Verfahren und vorrichtung zum austausch der innenluft bei der herstellung von flachfolienbahnen aus blasfolien
CN118684037A (zh) * 2024-08-27 2024-09-24 浙江超信机械科技有限公司 一种具有自动收卷功能的吹膜机

Also Published As

Publication number Publication date
FR2126249A1 (enExample) 1972-10-06
FR2126249B1 (enExample) 1976-06-11
IT948654B (it) 1973-06-11
GB1371858A (en) 1974-10-30

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