DE1778228C3 - Vorrichtung zum elektrostatischen Anheften film- oder schichtförmigen Materials gegen eine Anpreßfläche - Google Patents

Vorrichtung zum elektrostatischen Anheften film- oder schichtförmigen Materials gegen eine Anpreßfläche

Info

Publication number
DE1778228C3
DE1778228C3 DE1778228A DE1778228A DE1778228C3 DE 1778228 C3 DE1778228 C3 DE 1778228C3 DE 1778228 A DE1778228 A DE 1778228A DE 1778228 A DE1778228 A DE 1778228A DE 1778228 C3 DE1778228 C3 DE 1778228C3
Authority
DE
Germany
Prior art keywords
electrode
voltage
film
drum
resistor
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
DE1778228A
Other languages
German (de)
English (en)
Other versions
DE1778228A1 (de
DE1778228B2 (de
Inventor
Joseph B. Greenville S.C. Busby (V.St.A.)
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.)
Celanese Corp
Original Assignee
Celanese Corp
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 Celanese Corp filed Critical Celanese Corp
Publication of DE1778228A1 publication Critical patent/DE1778228A1/de
Publication of DE1778228B2 publication Critical patent/DE1778228B2/de
Application granted granted Critical
Publication of DE1778228C3 publication Critical patent/DE1778228C3/de
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 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)
  • Elimination Of Static Electricity (AREA)
DE1778228A 1967-04-10 1968-04-09 Vorrichtung zum elektrostatischen Anheften film- oder schichtförmigen Materials gegen eine Anpreßfläche Expired DE1778228C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US62977367A 1967-04-10 1967-04-10

Publications (3)

Publication Number Publication Date
DE1778228A1 DE1778228A1 (de) 1972-08-03
DE1778228B2 DE1778228B2 (de) 1972-12-28
DE1778228C3 true DE1778228C3 (de) 1978-08-31

Family

ID=24524425

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1778228A Expired DE1778228C3 (de) 1967-04-10 1968-04-09 Vorrichtung zum elektrostatischen Anheften film- oder schichtförmigen Materials gegen eine Anpreßfläche

Country Status (8)

Country Link
US (1) US3427686A (en:Method)
BE (1) BE713465A (en:Method)
CH (1) CH501482A (en:Method)
DE (1) DE1778228C3 (en:Method)
FR (1) FR1573132A (en:Method)
GB (1) GB1194486A (en:Method)
LU (1) LU55752A1 (en:Method)
NL (1) NL6804985A (en:Method)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3520959A (en) * 1968-03-05 1970-07-21 Celanese Corp Process for electrostatically pinning extruded thermoplastic film
US3528592A (en) * 1968-09-13 1970-09-15 Du Pont Process of handling a charged web
US4166089A (en) * 1969-11-13 1979-08-28 Agfa-Gevaert N.V. Corona free pinning of extruded polymer film
BE758733A (en:Method) * 1969-11-13 1971-05-10 Agfa Gevaert Nv
US3655307A (en) * 1970-03-23 1972-04-11 Du Pont Electrostatic pinning of dielectric film
US3795474A (en) * 1972-03-08 1974-03-05 Du Pont Molten thermoplastic web quenching apparatus
GB1469983A (en) * 1974-08-07 1977-04-14 Ici Ltd Polymeric film production
US4111625A (en) * 1974-08-07 1978-09-05 Imperial Chemical Industries Limited Polymeric film production
DE2460432C3 (de) * 1974-12-20 1984-01-05 Klaus 4803 Steinhagen Kalwar Verfahren zum kontinuierlichen Herstellen einer Flachfolienbahn aus thermoplastischem Kunststoff oder von zwei- oder dreilagigen, bahnförmigen Verbundwerkstoffen und Vorrichtung zum Herstellen von zweilagigen, bahnförmigen Verbundwerkstoffen
FR2415528A1 (fr) * 1978-01-25 1979-08-24 Cellophane Sa Amelioration aux procedes de fabrication de films par placage electrostatique
US4268464A (en) * 1979-08-16 1981-05-19 Toyo Boseki Kabushiki Kaisha Electrostatic pinning of extruded polyamide film
JPS58183220A (ja) * 1982-04-21 1983-10-26 Teijin Ltd 溶融重合体シ−トの冷却装置
US4594203A (en) * 1983-03-16 1986-06-10 Toray Industries, Inc. Method for producing a thermoplastic polymeric sheet
DE9116646U1 (de) * 1991-06-07 1993-06-03 Eltex-Elektrostatik GmbH, 7858 Weil Vorrichtung zur Erhöhung des Wärmeübergangs an Kühlwalzen von Offset-Rollenrotationsmaschinen
JP4727450B2 (ja) * 2006-03-01 2011-07-20 富士フイルム株式会社 ポリマーフィルムの製造方法
US20080054514A1 (en) * 2006-09-06 2008-03-06 Fujifilm Corporation Polymer film producing method and apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US287957A (en) * 1883-11-06 Electrical apparatus for and method of controlling paper
US2289774A (en) * 1939-06-30 1942-07-14 Du Pont Process and apparatus for shaping polymeric materials
US2568824A (en) * 1946-02-27 1951-09-25 Rahbek Knud Semiconductor unit for the utilization of electroadhesion
US3068510A (en) * 1959-12-14 1962-12-18 Radiation Res Corp Polymerizing method and apparatus
NL264252A (en:Method) * 1960-05-03 1900-01-01

Also Published As

Publication number Publication date
DE1778228A1 (de) 1972-08-03
CH501482A (fr) 1971-01-15
LU55752A1 (en:Method) 1968-06-10
FR1573132A (en:Method) 1969-07-04
BE713465A (en:Method) 1968-10-10
GB1194486A (en) 1970-06-10
US3427686A (en) 1969-02-18
NL6804985A (en:Method) 1968-10-11
DE1778228B2 (de) 1972-12-28

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
EHJ Ceased/non-payment of the annual fee