IT987254B - IMPROVEMENTS IN THE RAPID COOLING STAGE OF THE FABBRI CATION OF POLYMER FILMS - Google Patents

IMPROVEMENTS IN THE RAPID COOLING STAGE OF THE FABBRI CATION OF POLYMER FILMS

Info

Publication number
IT987254B
IT987254B IT7323693A IT2369373A IT987254B IT 987254 B IT987254 B IT 987254B IT 7323693 A IT7323693 A IT 7323693A IT 2369373 A IT2369373 A IT 2369373A IT 987254 B IT987254 B IT 987254B
Authority
IT
Italy
Prior art keywords
fabbri
cation
rapid cooling
polymer films
cooling stage
Prior art date
Application number
IT7323693A
Other languages
Italian (it)
Original Assignee
Ici Ltd
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 Ici Ltd filed Critical Ici Ltd
Application granted granted Critical
Publication of IT987254B publication Critical patent/IT987254B/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
    • B29C48/25—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
    • 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 drums

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Moulding By Coating Moulds (AREA)
IT7323693A 1972-05-12 1973-05-03 IMPROVEMENTS IN THE RAPID COOLING STAGE OF THE FABBRI CATION OF POLYMER FILMS IT987254B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2234172A GB1409786A (en) 1972-05-12 1972-05-12 Quenching of polymeric film

Publications (1)

Publication Number Publication Date
IT987254B true IT987254B (en) 1975-02-20

Family

ID=10177835

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7323693A IT987254B (en) 1972-05-12 1973-05-03 IMPROVEMENTS IN THE RAPID COOLING STAGE OF THE FABBRI CATION OF POLYMER FILMS

Country Status (9)

Country Link
JP (1) JPS4955759A (en)
AU (1) AU5514973A (en)
BE (1) BE799509A (en)
DE (1) DE2324345C2 (en)
FR (1) FR2184663B1 (en)
GB (1) GB1409786A (en)
IT (1) IT987254B (en)
LU (1) LU67576A1 (en)
NL (2) NL7306467A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2540681C3 (en) * 1975-09-12 1979-03-08 Hoechst Ag, 6000 Frankfurt Device for the surface treatment of foil webs by means of electrical discharges
JPS60214922A (en) * 1984-04-11 1985-10-28 Sumitomo Bakelite Co Ltd Manufacture of thermoplastic resin film
JP2587275B2 (en) * 1988-08-01 1997-03-05 横浜ゴム株式会社 Rubber composition for tire
EP1320452B1 (en) * 2000-09-24 2007-12-05 3M Innovative Properties Company Extrusion method and apparatus for manufacturing microporous film
DE102019112077A1 (en) 2019-05-09 2020-11-12 Brückner Maschinenbau GmbH & Co. KG Plant for the production of a cast film and film stretching plant with such a plant

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3571853A (en) * 1969-05-12 1971-03-23 Du Pont Electrostatic pinning of extruded polymeric film

Also Published As

Publication number Publication date
AU5514973A (en) 1974-11-07
FR2184663B1 (en) 1983-09-30
NL8502354A (en) 1985-12-02
DE2324345A1 (en) 1973-11-22
JPS4955759A (en) 1974-05-30
NL7306467A (en) 1973-11-14
GB1409786A (en) 1975-10-15
DE2324345C2 (en) 1984-04-05
BE799509A (en) 1973-11-14
LU67576A1 (en) 1974-06-05
FR2184663A1 (en) 1973-12-28

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