IT8025991A0 - Procedimento per la regolazione dello spessore del film su un impianto di estrusione per filmsoffiati. - Google Patents

Procedimento per la regolazione dello spessore del film su un impianto di estrusione per filmsoffiati.

Info

Publication number
IT8025991A0
IT8025991A0 IT8025991A IT2599180A IT8025991A0 IT 8025991 A0 IT8025991 A0 IT 8025991A0 IT 8025991 A IT8025991 A IT 8025991A IT 2599180 A IT2599180 A IT 2599180A IT 8025991 A0 IT8025991 A0 IT 8025991A0
Authority
IT
Italy
Prior art keywords
film
procedure
adjusting
thickness
extrusion plant
Prior art date
Application number
IT8025991A
Other languages
English (en)
Other versions
IT1134280B (it
Inventor
Harmut Upmeier
Gerd Klinge
Gerhard Winkler
Original Assignee
Windmoeller & Hoelscher
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 Windmoeller & Hoelscher filed Critical Windmoeller & Hoelscher
Publication of IT8025991A0 publication Critical patent/IT8025991A0/it
Application granted granted Critical
Publication of IT1134280B publication Critical patent/IT1134280B/it

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
    • B29C48/92—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
    • B29C2948/92428—Calibration, after-treatment, or cooling 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
    • 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
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • 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
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
IT25991/80A 1980-01-28 1980-11-14 Procedimento per la regolazione dello spessore del film su un impianto di estrusione per film soffiati IT1134280B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3002903A DE3002903C2 (de) 1980-01-28 1980-01-28 Verfahren zur Regelung der Foliendicke an einer Blasfolienextruderanlage

Publications (2)

Publication Number Publication Date
IT8025991A0 true IT8025991A0 (it) 1980-11-14
IT1134280B IT1134280B (it) 1986-08-13

Family

ID=6093065

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25991/80A IT1134280B (it) 1980-01-28 1980-11-14 Procedimento per la regolazione dello spessore del film su un impianto di estrusione per film soffiati

Country Status (11)

Country Link
US (2) US4339404A (it)
JP (1) JPS56123826A (it)
BR (1) BR8100137A (it)
CA (1) CA1163066A (it)
CH (1) CH652340A5 (it)
DE (1) DE3002903C2 (it)
FI (1) FI74236C (it)
FR (1) FR2474390A2 (it)
GB (1) GB2070288B (it)
IT (1) IT1134280B (it)
SU (1) SU1132802A3 (it)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3002903C2 (de) * 1980-01-28 1986-12-04 Windmöller & Hölscher, 4540 Lengerich Verfahren zur Regelung der Foliendicke an einer Blasfolienextruderanlage
DE3014989C2 (de) * 1980-04-18 1991-01-24 Windmöller & Hölscher, 4540 Lengerich Verfahren zur Steuerung der Foliendicke an einer Blasfolienextruderanlage
NL8304451A (nl) * 1983-12-27 1985-07-16 Wavin Bv Werkwijze en inrichting voor het regelen van de wanddikte van geextrudeerde kunststofbuis.
GB8420761D0 (en) * 1984-08-15 1984-09-19 Ici Plc Controlling dynamic instability
NL8500882A (nl) * 1985-03-26 1986-10-16 Wavin Bv Inrichting voor het meten van de wanddikte van een geextrudeerd buisdeel tijdens het extruderen, alsmede extrusie-inrichting met een dergelijke inrichting en geextrudeerd buisdeel verkregen met behulp van deze inrichting.
DE3518155A1 (de) * 1985-05-21 1986-11-27 Reifenhäuser GmbH & Co Maschinenfabrik, 5210 Troisdorf Verfahren zur herstellung einer kunststoffolie mit geringer dickentoleranz
US4753767A (en) * 1986-04-03 1988-06-28 The Dow Chemical Company Extrusion apparatus and method
US4760627A (en) * 1987-03-23 1988-08-02 Enrique Schele Apparatus for an oscillating pinch roll assembly utilized in the extrusion of blown films
US4882104A (en) * 1987-04-03 1989-11-21 Cincinnati Milacron, Inc. Method of controlling the thickness of an extruded plastic article
DE4013610A1 (de) * 1989-10-26 1991-05-02 Reifenhaeuser Masch Verfahren zum betrieb einer blasfolien-extruderanlage und fuer das verfahren eingerichtete blasfolien-extruderanlage
US5288219A (en) * 1991-03-25 1994-02-22 Battenfeld Gloucester Engineering Co., Inc. Air ring for controlling blown film thickness
DE9108417U1 (de) * 1991-07-08 1991-08-29 Konermann, Stefan, 4540 Lengerich Vorrichtung zur Steuerung oder Regelung des Querprofils bei der Blasfolienherstellung
US5345399A (en) * 1992-07-06 1994-09-06 Union Camp Corporation System and method for monitoring and controlling the width of a product
US5468134A (en) * 1993-12-01 1995-11-21 Cree; Robert E. Cooling and thickness control for extruded products
DE19541296C2 (de) * 1995-11-06 1999-07-01 Windmoeller & Hoelscher Vorrichtung zur Erwärmung der Foliensektoren eines aus einem Folienblaskopf extrudierten Folienschlauches
EP1368177B1 (de) * 2001-03-05 2009-11-04 Windmöller & Hölscher KG Folienblaskopf und verfahren zur herstellung von schlauchfolien
CA2355140A1 (en) * 2001-08-16 2003-02-16 Robert D. Krycki Motorized air ring
DE102009033171B4 (de) 2009-07-13 2016-03-03 Hosokawa Alpine Ag Verfahren zur Regelung der Foliendicke von verstreckten Schlauchfolien sowie Vorrichtung zur Durchführung des Verfahrens
DE202013012784U1 (de) 2013-07-19 2019-08-02 Windmöller & Hölscher Kg Vorrichtung zur Herstellung von inline gereckten Folien
US11123909B2 (en) 2013-07-19 2021-09-21 Windmöller & Heilscher KG Apparatus for producing films stretched in-line
CA2974587A1 (en) 2017-07-27 2019-01-27 Layfield Group Ltd. Method and apparatus for extruding blown film with a controlled thickness profile
IT201800000807A1 (it) * 2018-01-12 2019-07-12 Colines Spa Metodo di regolazione del profilo di un film in linee di estrusione blown, relativo film e bobina

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3307215A (en) * 1964-04-09 1967-03-07 Industrial Nucleonics Corp Control apparatus for industrial apparatus
US3510374A (en) * 1964-04-20 1970-05-05 Industrial Nucleonics Corp Method and control apparatus for regulating apparatuses
GB1054989A (it) * 1964-09-17 1900-01-01
US3438088A (en) * 1967-01-19 1969-04-15 Beloit Corp Control for maintaining uniform gauge on blown film
US3775035A (en) * 1970-01-12 1973-11-27 Owens Illinois Inc Foam plastic extrusion apparatus with plurality of die lip temperature controls
CA988265A (en) * 1970-07-17 1976-05-04 Hartmut Upmeier Flattening and take-off apparatus for blown tubular plastics film
DE2232930A1 (de) * 1971-07-06 1973-02-01 Hepworth Plastics Ltd Verfahren und vorrichtung zur herstellung von rohren unbedingt gleichmaessiger wandstaerke im strangpressverfahren
GB1448669A (en) * 1972-09-08 1976-09-08 Bakelite Xylonite Ltd Profile determining and/or controlling system
GB1523629A (en) * 1974-11-27 1978-09-06 Teijin Ltd Apparatus for producing polymeric film
AT362922B (de) * 1975-02-26 1981-06-25 Cincinnati Milacron Austria Strangpresse
DE2658518C2 (de) * 1976-12-23 1983-04-28 Reifenhäuser KG, 5210 Troisdorf Anlage zur Herstellung von Blasfolien aus thermoplastischem Kunststoff
DE2721609C2 (de) * 1977-05-13 1986-07-10 Reifenhäuser KG, 5210 Troisdorf Regeleinrichtung für eine Anlage zur Herstellung von Kunststoffblasfolien
DE2723991A1 (de) * 1977-05-27 1978-11-30 Ver Foerderung Inst Kunststoff Verfahren zum zentrieren von ringspaltduesen bei der verarbeitung von kunststoffen
DE2816583A1 (de) * 1978-04-17 1979-10-18 Windmoeller & Hoelscher Verfahren und vorrichtung zur optimierung der ausstossleistung einer blasfolienextruderanlage mittels eines prozessrechners
US4209475A (en) * 1978-10-20 1980-06-24 Mobil Oil Corporation Method and apparatus for effecting uniform film thickness
DE2947293C2 (de) * 1979-11-23 1983-09-15 Windmöller & Hölscher, 4540 Lengerich Verfahren zur Regelung der Foliendicke an einer Blasfolien-Extruderanlage
DE2950003C2 (de) * 1979-12-12 1983-08-11 Windmöller & Hölscher, 4540 Lengerich Verfahren zur Regelung der Foliendicke an einer Blasfolien-Extruderanlage
DE3002903C2 (de) * 1980-01-28 1986-12-04 Windmöller & Hölscher, 4540 Lengerich Verfahren zur Regelung der Foliendicke an einer Blasfolienextruderanlage

Also Published As

Publication number Publication date
JPS56123826A (en) 1981-09-29
FI74236B (fi) 1987-09-30
DE3002903A1 (de) 1981-08-06
GB2070288A (en) 1981-09-03
SU1132802A3 (ru) 1984-12-30
GB2070288B (en) 1983-11-23
CA1163066A (en) 1984-03-06
CH652340A5 (de) 1985-11-15
IT1134280B (it) 1986-08-13
US4339404A (en) 1982-07-13
DE3002903C2 (de) 1986-12-04
FR2474390A2 (fr) 1981-07-31
FI74236C (fi) 1988-01-11
BR8100137A (pt) 1981-07-28
FR2474390B1 (it) 1984-06-29
FI803765L (fi) 1981-07-29
US4464318A (en) 1984-08-07

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971127