GB1265598A - - Google Patents

Info

Publication number
GB1265598A
GB1265598A GB1265598DA GB1265598A GB 1265598 A GB1265598 A GB 1265598A GB 1265598D A GB1265598D A GB 1265598DA GB 1265598 A GB1265598 A GB 1265598A
Authority
GB
United Kingdom
Prior art keywords
film
drum
extrusion
slit
extrusion die
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
Other languages
English (en)
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 filed Critical
Publication of GB1265598A publication Critical patent/GB1265598A/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
    • B29C48/914—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
    • B29C48/03—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
GB1265598D 1969-06-17 1970-06-15 Expired GB1265598A (enExample)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4726569 1969-06-17
JP7011269 1969-07-25

Publications (1)

Publication Number Publication Date
GB1265598A true GB1265598A (enExample) 1972-03-01

Family

ID=26387432

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1265598D Expired GB1265598A (enExample) 1969-06-17 1970-06-15

Country Status (4)

Country Link
FR (1) FR2052649A5 (enExample)
GB (1) GB1265598A (enExample)
LU (1) LU61148A1 (enExample)
NL (1) NL7008829A (enExample)

Also Published As

Publication number Publication date
LU61148A1 (enExample) 1970-08-21
FR2052649A5 (enExample) 1971-04-09
NL7008829A (enExample) 1970-12-21

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Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed