IT1040244B - IMPROVEMENTS MADE TO THE CO LATE OF POLYMERIC FILMS - Google Patents

IMPROVEMENTS MADE TO THE CO LATE OF POLYMERIC FILMS

Info

Publication number
IT1040244B
IT1040244B IT7525930A IT2593075A IT1040244B IT 1040244 B IT1040244 B IT 1040244B IT 7525930 A IT7525930 A IT 7525930A IT 2593075 A IT2593075 A IT 2593075A IT 1040244 B IT1040244 B IT 1040244B
Authority
IT
Italy
Prior art keywords
late
improvements made
polymeric films
polymeric
films
Prior art date
Application number
IT7525930A
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 IT1040244B publication Critical patent/IT1040244B/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 of flat articles, e.g. using specially adapted supporting means cooling drums

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulding By Coating Moulds (AREA)
IT7525930A 1974-08-05 1975-07-30 IMPROVEMENTS MADE TO THE CO LATE OF POLYMERIC FILMS IT1040244B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3433774A GB1475805A (en) 1974-08-05 1974-08-05 Electrostatic pinning of extruded polymeric film

Publications (1)

Publication Number Publication Date
IT1040244B true IT1040244B (en) 1979-12-20

Family

ID=10364390

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7525930A IT1040244B (en) 1974-08-05 1975-07-30 IMPROVEMENTS MADE TO THE CO LATE OF POLYMERIC FILMS

Country Status (8)

Country Link
JP (1) JPS5141060A (en)
BE (1) BE832131A (en)
DE (1) DE2534761A1 (en)
FR (1) FR2281207A1 (en)
GB (1) GB1475805A (en)
IT (1) IT1040244B (en)
LU (1) LU73142A1 (en)
NL (1) NL7508966A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5517559A (en) * 1978-07-25 1980-02-07 Toyobo Co Ltd Method of cooling polyamide polymer sheet
JPS60214922A (en) * 1984-04-11 1985-10-28 Sumitomo Bakelite Co Ltd Manufacture of thermoplastic resin film

Also Published As

Publication number Publication date
DE2534761A1 (en) 1976-02-26
FR2281207B1 (en) 1977-12-16
AU8353775A (en) 1977-02-03
GB1475805A (en) 1977-06-10
NL7508966A (en) 1976-02-09
LU73142A1 (en) 1977-01-07
BE832131A (en) 1976-02-05
JPS5141060A (en) 1976-04-06
FR2281207A1 (en) 1976-03-05

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