DE2145080C3 - Verfahren und Vorrichtung zur kontinuierlichen Änderung des Dickenprofils bei der Herstellung von Folienbahnen - Google Patents

Verfahren und Vorrichtung zur kontinuierlichen Änderung des Dickenprofils bei der Herstellung von Folienbahnen

Info

Publication number
DE2145080C3
DE2145080C3 DE2145080A DE2145080A DE2145080C3 DE 2145080 C3 DE2145080 C3 DE 2145080C3 DE 2145080 A DE2145080 A DE 2145080A DE 2145080 A DE2145080 A DE 2145080A DE 2145080 C3 DE2145080 C3 DE 2145080C3
Authority
DE
Germany
Prior art keywords
electrode
melt
film
nozzle
charges
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
DE2145080A
Other languages
German (de)
English (en)
Other versions
DE2145080A1 (de
DE2145080B2 (de
Inventor
Guenter Dipl.-Ing. 6202 Wiesbaden-Biebrich Haas
Norbert Dipl.-Phys. Dr. 6507 Ingelheim Roth
Christian Dipl.-Phys. Dr. 6200 Wiesbaden Sauer
Peter 6500 Mainz Schwaegler
Manfred Dipl.- Chem. Dr. 6229 Georgenborn Unger
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.)
Hoechst AG
Original Assignee
Hoechst AG
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
Priority to BE787234D priority Critical patent/BE787234A/xx
Application filed by Hoechst AG filed Critical Hoechst AG
Priority to DE2145080A priority patent/DE2145080C3/de
Priority to NL7211807A priority patent/NL7211807A/xx
Priority to CH1307772A priority patent/CH537269A/de
Priority to AT765172A priority patent/AT320264B/de
Priority to GB4160272A priority patent/GB1409802A/en
Priority to IT52586/72A priority patent/IT965239B/it
Priority to CA151,133A priority patent/CA988455A/en
Priority to FR7231871A priority patent/FR2152761B1/fr
Priority to JP47090310A priority patent/JPS4836260A/ja
Publication of DE2145080A1 publication Critical patent/DE2145080A1/de
Priority to US382539A priority patent/US3898026A/en
Publication of DE2145080B2 publication Critical patent/DE2145080B2/de
Application granted granted Critical
Publication of DE2145080C3 publication Critical patent/DE2145080C3/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
    • 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
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/92114—Dimensions
    • B29C2948/92152—Thickness
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92323—Location or phase of measurement
    • B29C2948/92438—Conveying, transporting or storage of articles
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92609—Dimensions
    • B29C2948/92647—Thickness
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92904—Die; Nozzle zone
    • 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

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)
DE2145080A 1971-09-09 1971-09-09 Verfahren und Vorrichtung zur kontinuierlichen Änderung des Dickenprofils bei der Herstellung von Folienbahnen Expired DE2145080C3 (de)

Priority Applications (11)

Application Number Priority Date Filing Date Title
BE787234D BE787234A (fr) 1971-09-09 Procede et dispositif pour faire varier, de facon continue, l'epaisseurdes bandes de film au cours de leur fabrication
DE2145080A DE2145080C3 (de) 1971-09-09 1971-09-09 Verfahren und Vorrichtung zur kontinuierlichen Änderung des Dickenprofils bei der Herstellung von Folienbahnen
NL7211807A NL7211807A (enExample) 1971-09-09 1972-08-30
AT765172A AT320264B (de) 1971-09-09 1972-09-06 Verfahren und Vorrichtung zur kontinuierlichen Dickenänderung von Folien
CH1307772A CH537269A (de) 1971-09-09 1972-09-06 Verfahren und Vorrichtung zur kontinuierlichen Dickenänderung bei der Herstellung von Folienbahnen
IT52586/72A IT965239B (it) 1971-09-09 1972-09-07 Procedimento e dispositivo per la variazione continua di spessore in nastri di materia plastica
GB4160272A GB1409802A (en) 1971-09-09 1972-09-07 Production of webs of film materials
CA151,133A CA988455A (en) 1971-09-09 1972-09-07 Production of webs of film materials
FR7231871A FR2152761B1 (enExample) 1971-09-09 1972-09-08
JP47090310A JPS4836260A (enExample) 1971-09-09 1972-09-08
US382539A US3898026A (en) 1971-09-09 1973-07-25 Apparatus for randomizing thicker and thinner areas in the production of film webs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2145080A DE2145080C3 (de) 1971-09-09 1971-09-09 Verfahren und Vorrichtung zur kontinuierlichen Änderung des Dickenprofils bei der Herstellung von Folienbahnen

Publications (3)

Publication Number Publication Date
DE2145080A1 DE2145080A1 (de) 1973-03-22
DE2145080B2 DE2145080B2 (de) 1980-03-27
DE2145080C3 true DE2145080C3 (de) 1980-11-20

Family

ID=5819085

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2145080A Expired DE2145080C3 (de) 1971-09-09 1971-09-09 Verfahren und Vorrichtung zur kontinuierlichen Änderung des Dickenprofils bei der Herstellung von Folienbahnen

Country Status (11)

Country Link
US (1) US3898026A (enExample)
JP (1) JPS4836260A (enExample)
AT (1) AT320264B (enExample)
BE (1) BE787234A (enExample)
CA (1) CA988455A (enExample)
CH (1) CH537269A (enExample)
DE (1) DE2145080C3 (enExample)
FR (1) FR2152761B1 (enExample)
GB (1) GB1409802A (enExample)
IT (1) IT965239B (enExample)
NL (1) NL7211807A (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4071589A (en) * 1972-05-12 1978-01-31 Imperial Chemical Industries Limited Quenching of polymeric film
US4162139A (en) * 1973-02-07 1979-07-24 Imperial Chemical Industries Limited Casting of polymeric film
US4028032A (en) * 1976-03-09 1977-06-07 Celanese Corporation Apparatus for precision electrostatic pinning
US4138768A (en) * 1977-03-17 1979-02-13 Roth Eldon N Apparatus and method for forming meat patties
US4284595A (en) * 1979-01-19 1981-08-18 Morrison-Knudsen Forest Products Company, Inc. Orientation and deposition of fibers in the manufacture of fiberboard
US4349575A (en) * 1980-09-15 1982-09-14 Roth Eldon N Method for freezing and forming meat patties
US4594203A (en) * 1983-03-16 1986-06-10 Toray Industries, Inc. Method for producing a thermoplastic polymeric sheet
DE3735001A1 (de) * 1987-10-16 1989-04-27 Reifenhaeuser Masch Vorrichtung fuer die elektrostatische fixierung einer schmelzefahne aus thermoplastischem kunststoff auf einer kuehlwalze
DE3740088C1 (de) * 1987-11-26 1988-11-10 Reifenhaeuser Masch Verfahren zur Herstellung einer Folie aus thermoplastischem Kunststoff
US4810432A (en) * 1987-12-28 1989-03-07 Polaroid Corporation Method and apparatus for establishing a uniform charge on a substrate
US4997600A (en) * 1988-05-24 1991-03-05 Mitsubishi Monsanto Chemical Company, Ltd. Process for preparation of thermoplastic resin sheets
US6531230B1 (en) * 1998-01-13 2003-03-11 3M Innovative Properties Company Color shifting film
EP1321405B1 (en) * 2000-09-29 2006-05-31 Toray Industries, Inc. Film roll body and method of manufacturing film roll body

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US875026A (en) * 1907-01-21 1907-12-31 Thomas J Murphy Journal-box lid.
US3247430A (en) * 1962-09-27 1966-04-19 Eastman Kodak Co Electrostatic charging apparatus
US3233156A (en) * 1961-06-07 1966-02-01 Eastman Kodak Co Electrostatic charging methods and apparatus
US3520959A (en) * 1968-03-05 1970-07-21 Celanese Corp Process for electrostatically pinning extruded thermoplastic film
US3597515A (en) * 1969-01-22 1971-08-03 Dow Chemical Co Plastic extrusion process in chill roll casting of film for improved flatness
BE757907A (nl) * 1969-10-30 1971-04-23 Agfa Gevaert Nv Procede voor de vervaardiging van polymeerfilm door extrusie
US3686374A (en) * 1970-03-23 1972-08-22 Du Pont Gas assisted electrostatic pinning

Also Published As

Publication number Publication date
AT320264B (de) 1975-02-10
FR2152761B1 (enExample) 1977-08-05
FR2152761A1 (enExample) 1973-04-27
CH537269A (de) 1973-05-31
JPS4836260A (enExample) 1973-05-28
GB1409802A (en) 1975-10-15
US3898026A (en) 1975-08-05
DE2145080A1 (de) 1973-03-22
IT965239B (it) 1974-01-31
NL7211807A (enExample) 1973-03-13
DE2145080B2 (de) 1980-03-27
CA988455A (en) 1976-05-04
BE787234A (fr) 1973-02-05

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Legal Events

Date Code Title Description
OD Request for examination
C3 Grant after two publication steps (3rd publication)