CA976503A - Electrostatic pinning of extruded polymeric film - Google Patents

Electrostatic pinning of extruded polymeric film

Info

Publication number
CA976503A
CA976503A CA080,355A CA80355A CA976503A CA 976503 A CA976503 A CA 976503A CA 80355 A CA80355 A CA 80355A CA 976503 A CA976503 A CA 976503A
Authority
CA
Canada
Prior art keywords
polymeric film
extruded polymeric
electrostatic pinning
pinning
electrostatic
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
CA080,355A
Inventor
Melton O. Denton
Samuel E. Meggs
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 CA976503A publication Critical patent/CA976503A/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
    • B29C48/915—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)
  • Moulding By Coating Moulds (AREA)
CA080,355A 1969-05-12 1970-04-16 Electrostatic pinning of extruded polymeric film Expired CA976503A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US82381169A 1969-05-12 1969-05-12

Publications (1)

Publication Number Publication Date
CA976503A true CA976503A (en) 1975-10-21

Family

ID=25239794

Family Applications (1)

Application Number Title Priority Date Filing Date
CA080,355A Expired CA976503A (en) 1969-05-12 1970-04-16 Electrostatic pinning of extruded polymeric film

Country Status (9)

Country Link
US (1) US3571853A (en)
JP (1) JPS5125451B1 (en)
BE (1) BE750212A (en)
CA (1) CA976503A (en)
DE (2) DE2022886C3 (en)
FR (1) FR2047670A5 (en)
GB (1) GB1304439A (en)
LU (1) LU60906A1 (en)
NL (1) NL168164C (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE792198A (en) * 1971-12-02 1973-06-01 Du Pont ELECTROSTATIC PINNING OF POLYMER FILMS
GB1409786A (en) * 1972-05-12 1975-10-15 Ici Ltd Quenching of polymeric film
US4071589A (en) * 1972-05-12 1978-01-31 Imperial Chemical Industries Limited Quenching of polymeric film
US4111625A (en) * 1974-08-07 1978-09-05 Imperial Chemical Industries Limited Polymeric film production
GB1469983A (en) * 1974-08-07 1977-04-14 Ici Ltd Polymeric film production
JPS533463U (en) * 1976-06-28 1978-01-13
DE3065278D1 (en) * 1979-08-01 1983-11-17 Ici Plc Apparatus and process for extruding and quenching a thermoplastics 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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL125745C (en) * 1960-05-03 1900-01-01
US3427687A (en) * 1966-11-07 1969-02-18 Miller Mold Co Mold construction

Also Published As

Publication number Publication date
DE2022886A1 (en) 1970-11-19
NL168164C (en) 1982-03-16
GB1304439A (en) 1973-01-24
DE7017571U (en) 1970-08-06
LU60906A1 (en) 1970-07-16
BE750212A (en) 1970-11-12
NL7006768A (en) 1970-11-16
NL168164B (en) 1981-10-16
JPS5125451B1 (en) 1976-07-31
DE2022886B2 (en) 1978-09-28
DE2022886C3 (en) 1979-05-23
FR2047670A5 (en) 1971-03-12
US3571853A (en) 1971-03-23

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