CA922665A - High-speed casting of thermoplastic web - Google Patents

High-speed casting of thermoplastic web

Info

Publication number
CA922665A
CA922665A CA087020A CA87020A CA922665A CA 922665 A CA922665 A CA 922665A CA 087020 A CA087020 A CA 087020A CA 87020 A CA87020 A CA 87020A CA 922665 A CA922665 A CA 922665A
Authority
CA
Canada
Prior art keywords
thermoplastic web
speed casting
casting
speed
thermoplastic
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
CA087020A
Inventor
E. Hershey Dwight
C. Smith Clifford
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
Application granted granted Critical
Publication of CA922665A publication Critical patent/CA922665A/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
    • B29C48/9175—Cooling of flat articles, e.g. using specially adapted supporting means by interposing a fluid layer between the supporting means and 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)
  • Moulding By Coating Moulds (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
CA087020A 1969-08-04 1970-06-30 High-speed casting of thermoplastic web Expired CA922665A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US84723969A 1969-08-04 1969-08-04

Publications (1)

Publication Number Publication Date
CA922665A true CA922665A (en) 1973-03-13

Family

ID=25300151

Family Applications (1)

Application Number Title Priority Date Filing Date
CA087020A Expired CA922665A (en) 1969-08-04 1970-06-30 High-speed casting of thermoplastic web

Country Status (7)

Country Link
BE (1) BE754032A (en)
CA (1) CA922665A (en)
DE (1) DE2038718A1 (en)
FR (1) FR2049046B1 (en)
GB (1) GB1312519A (en)
LU (1) LU61460A1 (en)
NL (1) NL7011481A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2323513A1 (en) * 1973-01-18 1977-04-08 Mitsubishi Plastics Ind PROCESS FOR PREPARING A FILM CONSTITUTED BY A LINEAR POLYESTER RESIN
JPS536367A (en) * 1976-07-06 1978-01-20 Fuji Photo Film Co Ltd Method of producing sheet
EP0037844A1 (en) * 1980-04-16 1981-10-21 Erich Pagendarm Process and apparatus for heat exchange between a web and its moving support
JPS5863415A (en) * 1981-10-13 1983-04-15 Teijin Ltd Quenching device for melted polymer sheet
US5076976A (en) * 1988-06-23 1991-12-31 Toray Industries, Inc. Process for producing polyester film
JPH0611804B2 (en) * 1989-03-01 1994-02-16 東レ株式会社 Surface treatment method for thermoplastic film

Also Published As

Publication number Publication date
DE2038718A1 (en) 1971-04-29
BE754032A (en) 1970-12-31
GB1312519A (en) 1973-04-04
NL7011481A (en) 1971-02-08
FR2049046A1 (en) 1971-03-26
FR2049046B1 (en) 1973-02-02
LU61460A1 (en) 1971-09-24

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