FR2339478A1 - Procede pour l'obtention d'une surepaisseur dans une feuille thermoplastique - Google Patents

Procede pour l'obtention d'une surepaisseur dans une feuille thermoplastique

Info

Publication number
FR2339478A1
FR2339478A1 FR7602354A FR7602354A FR2339478A1 FR 2339478 A1 FR2339478 A1 FR 2339478A1 FR 7602354 A FR7602354 A FR 7602354A FR 7602354 A FR7602354 A FR 7602354A FR 2339478 A1 FR2339478 A1 FR 2339478A1
Authority
FR
France
Prior art keywords
film
jets
extrudate
cold
borders
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.)
Granted
Application number
FR7602354A
Other languages
English (en)
Other versions
FR2339478B3 (fr
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.)
KOGLER RAYMOND
Original Assignee
KOGLER RAYMOND
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 KOGLER RAYMOND filed Critical KOGLER RAYMOND
Priority to FR7602354A priority Critical patent/FR2339478A1/fr
Publication of FR2339478A1 publication Critical patent/FR2339478A1/fr
Application granted granted Critical
Publication of FR2339478B3 publication Critical patent/FR2339478B3/fr
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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
    • 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
    • B29C48/03—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
    • B29C48/13—Articles with a cross-section varying in the longitudinal direction, e.g. corrugated pipes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
FR7602354A 1976-01-29 1976-01-29 Procede pour l'obtention d'une surepaisseur dans une feuille thermoplastique Granted FR2339478A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7602354A FR2339478A1 (fr) 1976-01-29 1976-01-29 Procede pour l'obtention d'une surepaisseur dans une feuille thermoplastique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7602354A FR2339478A1 (fr) 1976-01-29 1976-01-29 Procede pour l'obtention d'une surepaisseur dans une feuille thermoplastique

Publications (2)

Publication Number Publication Date
FR2339478A1 true FR2339478A1 (fr) 1977-08-26
FR2339478B3 FR2339478B3 (fr) 1978-10-20

Family

ID=9168495

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7602354A Granted FR2339478A1 (fr) 1976-01-29 1976-01-29 Procede pour l'obtention d'une surepaisseur dans une feuille thermoplastique

Country Status (1)

Country Link
FR (1) FR2339478A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2485433A1 (fr) * 1980-04-18 1981-12-31 Windmoeller & Hoelscher Procede pour commander l'epaisseur des feuilles tubulaires fabriquees dans une installation d'extrusion-soufflage
EP0300540A2 (fr) * 1987-07-23 1989-01-25 Dsm N.V. Procédé pour la fabrication de films polymères partiellement équipés de segments de renfort
WO2015050494A1 (fr) * 2013-10-02 2015-04-09 Doxa Plast I Värnamo Ab Feuille de plastique et procédé de production correspondant

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2485433A1 (fr) * 1980-04-18 1981-12-31 Windmoeller & Hoelscher Procede pour commander l'epaisseur des feuilles tubulaires fabriquees dans une installation d'extrusion-soufflage
EP0300540A2 (fr) * 1987-07-23 1989-01-25 Dsm N.V. Procédé pour la fabrication de films polymères partiellement équipés de segments de renfort
EP0300540A3 (fr) * 1987-07-23 1991-02-06 Dsm N.V. Procédé pour la fabrication de films polymères partiellement équipés de segments de renfort
WO2015050494A1 (fr) * 2013-10-02 2015-04-09 Doxa Plast I Värnamo Ab Feuille de plastique et procédé de production correspondant
CN105612046A (zh) * 2013-10-02 2016-05-25 多克萨塑料韦纳穆公司 塑料薄膜及其生产方法
US20160229103A1 (en) * 2013-10-02 2016-08-11 Doxa Plast I Värnamo Ab Plastic film and a method for production thereof
EP2857183B1 (fr) * 2013-10-02 2018-01-31 Doxa Plast i Värnamo AB Film plastique et son procédé de production
RU2675894C2 (ru) * 2013-10-02 2018-12-25 Докса Пласт И Вернамо Аб Полимерная пленка и способ ее изготовления

Also Published As

Publication number Publication date
FR2339478B3 (fr) 1978-10-20

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Legal Events

Date Code Title Description
ST Notification of lapse