CA924073A - High speed preparation of thermoplastic film - Google Patents

High speed preparation of thermoplastic film

Info

Publication number
CA924073A
CA924073A CA103610A CA103610A CA924073A CA 924073 A CA924073 A CA 924073A CA 103610 A CA103610 A CA 103610A CA 103610 A CA103610 A CA 103610A CA 924073 A CA924073 A CA 924073A
Authority
CA
Canada
Prior art keywords
high speed
thermoplastic film
speed preparation
preparation
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
CA103610A
Inventor
L. Knox Kenneth
E. Hoffman Frank
George Huskey C.
Karickhoff Michael
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 CA924073A publication Critical patent/CA924073A/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
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/24—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of indefinite length
    • 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)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Moulding By Coating Moulds (AREA)
CA103610A 1970-01-26 1971-01-25 High speed preparation of thermoplastic film Expired CA924073A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US594870A 1970-01-26 1970-01-26

Publications (1)

Publication Number Publication Date
CA924073A true CA924073A (en) 1973-04-10

Family

ID=21718507

Family Applications (1)

Application Number Title Priority Date Filing Date
CA103610A Expired CA924073A (en) 1970-01-26 1971-01-25 High speed preparation of thermoplastic film

Country Status (7)

Country Link
BE (1) BE761972A (en)
CA (1) CA924073A (en)
DE (1) DE2103583A1 (en)
FR (1) FR2077321A1 (en)
GB (1) GB1302642A (en)
LU (1) LU62484A1 (en)
NL (1) NL7100939A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4501712A (en) * 1982-08-20 1985-02-26 E. I. Du Pont De Nemours And Company Vacuum pinning of molten thermoplastic film to a roughened casting roll

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58183220A (en) * 1982-04-21 1983-10-26 Teijin Ltd Cooling device for melted polymer sheet
US4783304A (en) * 1987-06-17 1988-11-08 E. I. Du Pont De Nemours And Company Vacuum pinning process
DE19616331C1 (en) * 1996-04-24 1997-11-27 Reifenhaeuser Masch Process for producing a structural film from thermoplastic

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4501712A (en) * 1982-08-20 1985-02-26 E. I. Du Pont De Nemours And Company Vacuum pinning of molten thermoplastic film to a roughened casting roll

Also Published As

Publication number Publication date
NL7100939A (en) 1971-07-28
LU62484A1 (en) 1971-08-11
BE761972A (en) 1971-07-26
GB1302642A (en) 1973-01-10
DE2103583A1 (en) 1971-08-05
FR2077321A1 (en) 1971-10-22

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