GB1391037A - Quenching molten thermoplastic film - Google Patents

Quenching molten thermoplastic film

Info

Publication number
GB1391037A
GB1391037A GB1096973A GB1096973A GB1391037A GB 1391037 A GB1391037 A GB 1391037A GB 1096973 A GB1096973 A GB 1096973A GB 1096973 A GB1096973 A GB 1096973A GB 1391037 A GB1391037 A GB 1391037A
Authority
GB
United Kingdom
Prior art keywords
film
quenching
thermoplastic film
point
air
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
Application number
GB1096973A
Other languages
English (en)
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and 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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of GB1391037A publication Critical patent/GB1391037A/en
Expired 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
    • 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)
GB1096973A 1972-03-08 1973-03-07 Quenching molten thermoplastic film Expired GB1391037A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1391037A true GB1391037A (en) 1975-04-16

Family

ID=22874473

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1096973A Expired GB1391037A (en) 1972-03-08 1973-03-07 Quenching molten thermoplastic film

Country Status (9)

Country Link
US (1) US3779682A (US08088918-20120103-C00476.png)
JP (1) JPS5335587B2 (US08088918-20120103-C00476.png)
BE (1) BE796384A (US08088918-20120103-C00476.png)
CA (1) CA1007016A (US08088918-20120103-C00476.png)
DE (1) DE2311576C2 (US08088918-20120103-C00476.png)
FR (1) FR2175066B1 (US08088918-20120103-C00476.png)
GB (1) GB1391037A (US08088918-20120103-C00476.png)
LU (1) LU67171A1 (US08088918-20120103-C00476.png)
NL (1) NL178401C (US08088918-20120103-C00476.png)

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
JPS5854132B2 (ja) * 1978-11-10 1983-12-02 旭化成株式会社 リンパ球分離装置
JPS5854126B2 (ja) * 1978-03-06 1983-12-02 旭化成株式会社 白血球分離材
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
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
DE9116646U1 (de) * 1991-06-07 1993-06-03 Eltex-Elektrostatik GmbH, 7858 Weil 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
CA3125727A1 (en) 2019-02-19 2020-08-27 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 (US08088918-20120103-C00476.png) * 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
US3686374A (en) * 1970-03-23 1972-08-22 Du Pont Gas assisted electrostatic pinning
US3660549A (en) * 1970-03-23 1972-05-02 Du Pont Electrostatic pinning of dielectric film
CA969312A (en) * 1970-03-27 1975-06-17 David E. Heyer Quenching molten thermoplastic web

Also Published As

Publication number Publication date
JPS48102166A (US08088918-20120103-C00476.png) 1973-12-22
DE2311576C2 (de) 1981-09-24
NL178401B (nl) 1985-10-16
DE2311576A1 (de) 1973-09-13
JPS5335587B2 (US08088918-20120103-C00476.png) 1978-09-28
CA1007016A (en) 1977-03-22
BE796384A (fr) 1973-09-07
US3779682A (en) 1973-12-18
FR2175066A1 (US08088918-20120103-C00476.png) 1973-10-19
NL178401C (nl) 1986-03-17
FR2175066B1 (US08088918-20120103-C00476.png) 1978-03-10
LU67171A1 (US08088918-20120103-C00476.png) 1973-09-12
NL7303182A (US08088918-20120103-C00476.png) 1973-09-11

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19930306