IT1184790B - Testa di estrusione piana per materiale plastico stratiforme - Google Patents

Testa di estrusione piana per materiale plastico stratiforme

Info

Publication number
IT1184790B
IT1184790B IT20730/85A IT2073085A IT1184790B IT 1184790 B IT1184790 B IT 1184790B IT 20730/85 A IT20730/85 A IT 20730/85A IT 2073085 A IT2073085 A IT 2073085A IT 1184790 B IT1184790 B IT 1184790B
Authority
IT
Italy
Prior art keywords
stratiform
plastic material
extrusion head
flat extrusion
flat
Prior art date
Application number
IT20730/85A
Other languages
English (en)
Other versions
IT8520730A0 (it
Inventor
Gilberto Cazzani
Luigi Macchi
Original Assignee
O M I P A Italia Di Cazzani Gi
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 O M I P A Italia Di Cazzani Gi filed Critical O M I P A Italia Di Cazzani Gi
Priority to IT20730/85A priority Critical patent/IT1184790B/it
Publication of IT8520730A0 publication Critical patent/IT8520730A0/it
Priority to US07/008,509 priority patent/US4741686A/en
Priority to PCT/EP1986/000265 priority patent/WO1986006678A1/en
Priority to AU59017/86A priority patent/AU5901786A/en
Priority to JP61502973A priority patent/JPS63500159A/ja
Priority to EP86903311A priority patent/EP0259327A1/en
Application granted granted Critical
Publication of IT1184790B publication Critical patent/IT1184790B/it

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/30Extrusion nozzles or dies
    • B29C48/305Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
    • B29C48/31Extrusion nozzles or dies having a wide opening, e.g. for forming sheets being adjustable, i.e. having adjustable exit sections
    • B29C48/313Extrusion nozzles or dies having a wide opening, e.g. for forming sheets being adjustable, i.e. having adjustable exit sections by positioning the die lips
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/07Flat, e.g. panels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/07Flat, e.g. panels
    • B29C48/08Flat, e.g. panels flexible, e.g. films
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/255Flow control means, e.g. valves
    • B29C48/2556Flow control means, e.g. valves provided in or in the proximity of dies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/30Extrusion nozzles or dies
    • B29C48/305Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
    • B29C48/31Extrusion nozzles or dies having a wide opening, e.g. for forming sheets being adjustable, i.e. having adjustable exit sections
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/92Measuring, controlling or regulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/92609Dimensions
    • B29C2948/92647Thickness
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92819Location or phase of control
    • B29C2948/92857Extrusion unit
    • B29C2948/92904Die; Nozzle zone
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00Machine element or mechanism
    • Y10T74/20Control lever and linkage systems
    • Y10T74/20207Multiple controlling elements for single controlled element

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
IT20730/85A 1985-05-15 1985-05-15 Testa di estrusione piana per materiale plastico stratiforme IT1184790B (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT20730/85A IT1184790B (it) 1985-05-15 1985-05-15 Testa di estrusione piana per materiale plastico stratiforme
US07/008,509 US4741686A (en) 1985-05-15 1986-05-05 Extrusion die for plastic material
PCT/EP1986/000265 WO1986006678A1 (en) 1985-05-15 1986-05-05 Extrusion die for plastic material
AU59017/86A AU5901786A (en) 1985-05-15 1986-05-05 Extrusion die for plastic material
JP61502973A JPS63500159A (ja) 1985-05-15 1986-05-05 プラスチック材料のための押出しダイ
EP86903311A EP0259327A1 (en) 1985-05-15 1986-05-05 Extrusion die for plastic material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT20730/85A IT1184790B (it) 1985-05-15 1985-05-15 Testa di estrusione piana per materiale plastico stratiforme

Publications (2)

Publication Number Publication Date
IT8520730A0 IT8520730A0 (it) 1985-05-15
IT1184790B true IT1184790B (it) 1987-10-28

Family

ID=11171191

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20730/85A IT1184790B (it) 1985-05-15 1985-05-15 Testa di estrusione piana per materiale plastico stratiforme

Country Status (6)

Country Link
US (1) US4741686A (it)
EP (1) EP0259327A1 (it)
JP (1) JPS63500159A (it)
AU (1) AU5901786A (it)
IT (1) IT1184790B (it)
WO (1) WO1986006678A1 (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3805774A1 (de) * 1988-02-24 1989-09-07 Sigmund Boos Schlitzduese, insbesondere breitschlitzduese, fuer extrudieranlagen in der kunststoffindustrie
DE3808050A1 (de) * 1988-03-11 1989-09-21 Escher Wyss Gmbh Vorrichtung zum einstellen einer blendenklinge
US4978289A (en) * 1989-10-05 1990-12-18 Jyohoku Seiko Co., Ltd. Film extrusion die
DE4013610A1 (de) * 1989-10-26 1991-05-02 Reifenhaeuser Masch Verfahren zum betrieb einer blasfolien-extruderanlage und fuer das verfahren eingerichtete blasfolien-extruderanlage
DE3936496A1 (de) * 1989-11-02 1991-05-08 Krauss Maffei Ag Zentriervorrichtung fuer einen rohrextrusionskopf
DE4106486C1 (it) * 1991-03-01 1992-09-17 Reifenhaeuser Gmbh & Co Maschinenfabrik, 5210 Troisdorf, De
DE4106487C1 (it) * 1991-03-01 1992-02-13 Reifenhaeuser Gmbh & Co Maschinenfabrik, 5210 Troisdorf, De
DE4316913C2 (de) * 1993-05-20 1995-11-23 Brueckner Maschbau Breitschlitzdüse
US9216535B2 (en) 2011-06-07 2015-12-22 3M Innovative Properties Company Slot die position adjustments to facilitate patterned products
US9044894B2 (en) 2011-06-07 2015-06-02 3M Innovative Properties Company Slot die position adjustment and return to baseline
US9579684B2 (en) 2011-06-07 2017-02-28 3M Innovative Properties Company Slot die position adjustment control
US20180043601A1 (en) * 2015-03-02 2018-02-15 Syncro S.R.L. Calibration cage for the production of blown films
AT526624A1 (de) * 2022-10-18 2024-05-15 Sbi Mechatronik Gmbh Vorrichtung zur Einstellung des Spalts einer Breitschlitzdüse

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2880832A (en) * 1957-07-29 1959-04-07 Jaeger Machine Co Combination clutch and gear shift control for mixer units
US2926544A (en) * 1958-01-24 1960-03-01 Jr Gil M Carmichael Auxiliary handle for outboard motors
US3195183A (en) * 1962-06-06 1965-07-20 Warren R Phillips Extrusion dies
US3427889A (en) * 1967-11-13 1969-02-18 Baum Chem Corp Adjusting mechanism
US3680997A (en) * 1970-06-29 1972-08-01 Pennwalt Corp Extrusion strip die for thermoplastic sheet
AT348199B (de) * 1973-08-31 1979-02-12 Kuhlmann & Rust Kg Einrichtung zur wahlweisen fern- oder nahsteuerung der jeweils mit einem hydrauli- schen ventil verbundenen arbeitszylinder eines hydraulisch betaetigten krans
US3940221A (en) * 1973-09-10 1976-02-24 Welex Incorporated Thickness control system for an extrusion die
US4124342A (en) * 1974-05-31 1978-11-07 Toray Industries, Inc. Apparatus for controlling the gap between lips of a die for extruding a plastic sheet material
US4125350A (en) * 1976-04-19 1978-11-14 Sweetheart Plastic, Inc. Mechanical die adjustment mechanism
JPS6050133B2 (ja) * 1981-11-05 1985-11-07 東芝機械株式会社 口金隙間調整方法
GB2139593B (en) * 1983-03-10 1986-03-26 Mitsubishi Electric Corp Industrial robot

Also Published As

Publication number Publication date
AU5901786A (en) 1986-12-04
JPS63500159A (ja) 1988-01-21
EP0259327A1 (en) 1988-03-16
JPH022689B2 (it) 1990-01-19
WO1986006678A1 (en) 1986-11-20
US4741686A (en) 1988-05-03
IT8520730A0 (it) 1985-05-15

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