BE796384A - Procede pour la coulee d'une pellicule thermoplastique sur une surface de refroidissement brusque - Google Patents

Procede pour la coulee d'une pellicule thermoplastique sur une surface de refroidissement brusque

Info

Publication number
BE796384A
BE796384A BE128463A BE128463A BE796384A BE 796384 A BE796384 A BE 796384A BE 128463 A BE128463 A BE 128463A BE 128463 A BE128463 A BE 128463A BE 796384 A BE796384 A BE 796384A
Authority
BE
Belgium
Prior art keywords
casting
thermoplastic film
cooling surface
blast cooling
blast
Prior art date
Application number
BE128463A
Other languages
English (en)
French (fr)
Inventor
C G Huskey
C J Resler
S C Sanders
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Publication of BE796384A publication Critical patent/BE796384A/xx

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
    • B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/915—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means
    • B29C48/917—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means by applying pressurised gas to the surface of the flat article
    • 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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/914—Cooling of flat articles, e.g. using specially adapted supporting means cooling drums
    • 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
    • B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/915—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means
    • B29C48/9165—Electrostatic pinning

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Moulding By Coating Moulds (AREA)
BE128463A 1972-03-08 1973-03-07 Procede pour la coulee d'une pellicule thermoplastique sur une surface de refroidissement brusque BE796384A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23276372A 1972-03-08 1972-03-08

Publications (1)

Publication Number Publication Date
BE796384A true BE796384A (fr) 1973-09-07

Family

ID=22874473

Family Applications (1)

Application Number Title Priority Date Filing Date
BE128463A BE796384A (fr) 1972-03-08 1973-03-07 Procede pour la coulee d'une pellicule thermoplastique sur une surface de refroidissement brusque

Country Status (9)

Country Link
US (1) US3779682A (de)
JP (1) JPS5335587B2 (de)
BE (1) BE796384A (de)
CA (1) CA1007016A (de)
DE (1) DE2311576C2 (de)
FR (1) FR2175066B1 (de)
GB (1) GB1391037A (de)
LU (1) LU67171A1 (de)
NL (1) NL178401C (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4111625A (en) * 1974-08-07 1978-09-05 Imperial Chemical Industries Limited Polymeric film production
JPS5835131B2 (ja) * 1975-04-01 1983-08-01 帝人株式会社 熱可塑性樹脂フイルムの製造装置
DE2618623C2 (de) * 1976-04-28 1982-12-09 Fa. Carl Freudenberg, 6940 Weinheim Mikroporöser Separator
JPS5854125B2 (ja) * 1978-03-06 1983-12-02 旭化成株式会社 白血球分離フイルタ−と白血球分離方法
JPS5854126B2 (ja) * 1978-03-06 1983-12-02 旭化成株式会社 白血球分離材
JPS5854132B2 (ja) * 1978-11-10 1983-12-02 旭化成株式会社 リンパ球分離装置
DE3729985A1 (de) * 1987-09-08 1989-03-16 Hoechst Ag Verfahren und vorrichtung zum anlegen eines films aus einer kunststoffschmelze an eine bewegte kuehlflaeche
DE3735001A1 (de) * 1987-10-16 1989-04-27 Reifenhaeuser Masch Vorrichtung fuer die elektrostatische fixierung einer schmelzefahne aus thermoplastischem kunststoff auf einer kuehlwalze
DE4118807C2 (de) * 1991-06-07 1995-07-20 Eltex Elektrostatik Gmbh Vorrichtung zur Erhöhung des Wärmeübergangs an Kühlwalzen von Offset-Rollenrotationsmaschinen
DE19618716C2 (de) * 1996-05-09 1999-01-21 Brueckner Maschbau Vorrichtung zum Anlegen eines Kunststoffilms an einer Walze
JP5528980B2 (ja) * 2010-10-06 2014-06-25 東洋鋼鈑株式会社 フィルム製造装置および製造方法
JP2012096529A (ja) * 2010-10-08 2012-05-24 Toray Ind Inc 脂肪族ポリエステルフィルムの製造方法
IT201900002389A1 (it) * 2019-02-19 2020-08-19 Colines Spa Gruppo fissabordi in una macchina di estrusione di film plastico e metodo di fissaggio dei bordi di una massa estrusa
US12011864B2 (en) 2019-02-19 2024-06-18 Colines S.P.A. Method and apparatus for pinning the edges of an extruded mass

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2935418A (en) * 1953-06-03 1960-05-03 Olin Mathieson Method for treating preformed polyethylene with an electrical glow discharge
US3039388A (en) * 1958-01-02 1962-06-19 Harris Intertype Corp Printing press and sheet control device therefor
NL125745C (de) * 1960-05-03 1900-01-01
US3141194A (en) * 1962-02-09 1964-07-21 Avisun Corp Gas delivery nozzle for film casting apparatus
DE1704780C3 (de) * 1967-12-13 1974-07-25 Kalle Ag, 6202 Wiesbaden-Biebrich Vorrichtung zum Herstellen von Folien aus einem thermoplastischen Hochpolymeren
US3660549A (en) * 1970-03-23 1972-05-02 Du Pont Electrostatic pinning of dielectric film
US3686374A (en) * 1970-03-23 1972-08-22 Du Pont Gas assisted electrostatic pinning
CA969312A (en) * 1970-03-27 1975-06-17 David E. Heyer Quenching molten thermoplastic web

Also Published As

Publication number Publication date
GB1391037A (en) 1975-04-16
US3779682A (en) 1973-12-18
LU67171A1 (de) 1973-09-12
DE2311576A1 (de) 1973-09-13
CA1007016A (en) 1977-03-22
JPS5335587B2 (de) 1978-09-28
JPS48102166A (de) 1973-12-22
NL7303182A (de) 1973-09-11
DE2311576C2 (de) 1981-09-24
NL178401B (nl) 1985-10-16
FR2175066A1 (de) 1973-10-19
FR2175066B1 (de) 1978-03-10
NL178401C (nl) 1986-03-17

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: E.I. DU PONT DE NEMOURS AND CY

Effective date: 19930307