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IT1101116B - Trafila di autopulitura perfezionata - Google Patents

Trafila di autopulitura perfezionata

Info

Publication number
IT1101116B
IT1101116B IT29902/78A IT2990278A IT1101116B IT 1101116 B IT1101116 B IT 1101116B IT 29902/78 A IT29902/78 A IT 29902/78A IT 2990278 A IT2990278 A IT 2990278A IT 1101116 B IT1101116 B IT 1101116B
Authority
IT
Italy
Prior art keywords
screw
screws
cylinder
contour
wall surface
Prior art date
Application number
IT29902/78A
Other languages
English (en)
Other versions
IT7829902A0 (it
Original Assignee
Sekisui Chemical Co Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=15240889&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IT1101116(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sekisui Chemical Co Ltd filed Critical Sekisui Chemical Co Ltd
Publication of IT7829902A0 publication Critical patent/IT7829902A0/it
Application granted granted Critical
Publication of IT1101116B publication Critical patent/IT1101116B/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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/64—Screws with two or more threads
    • B29C48/65—Screws with two or more threads neighbouring threads or channels having different configurations, e.g. one thread being lower than its neighbouring thread
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
    • B29B7/488—Parts, e.g. casings, sealings; Accessories, e.g. flow controlling or throttling devices
    • B29B7/489—Screws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/802—Constructions or methods for cleaning the mixing or kneading device
    • 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
    • B29C48/251—Design of extruder parts, e.g. by modelling based on mathematical theories or experiments
    • B29C48/2517—Design of extruder parts, e.g. by modelling based on mathematical theories or experiments of intermeshing screws
    • 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
    • B29C48/27—Cleaning; Purging; Avoiding contamination
    • B29C48/2715—Cleaning; Purging; Avoiding contamination of plasticising units
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B29C48/402—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders the screws having intermeshing parts
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B29C48/405—Intermeshing co-rotating screws
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/507—Screws characterised by the material or their manufacturing process
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
IT29902/78A 1977-11-19 1978-11-17 Trafila di autopulitura perfezionata IT1101116B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52139248A JPS5829733B2 (ja) 1977-11-19 1977-11-19 押出機

Publications (2)

Publication Number Publication Date
IT7829902A0 IT7829902A0 (it) 1978-11-17
IT1101116B true IT1101116B (it) 1985-09-28

Family

ID=15240889

Family Applications (1)

Application Number Title Priority Date Filing Date
IT29902/78A IT1101116B (it) 1977-11-19 1978-11-17 Trafila di autopulitura perfezionata

Country Status (10)

Country Link
US (1) US4300839A (it)
EP (1) EP0002131B2 (it)
JP (1) JPS5829733B2 (it)
AU (1) AU520866B2 (it)
CA (1) CA1124973A (it)
DE (1) DE2861917D1 (it)
IT (1) IT1101116B (it)
MX (1) MX150779A (it)
SU (1) SU1190979A3 (it)
WO (1) WO1979000305A1 (it)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3038973A1 (de) * 1980-10-15 1982-05-27 Bayer Ag, 5090 Leverkusen Verfahren und vorrichtung zum kristallisieren von schmelzen mit gleichzeitiger zerkleinerung
JPS59134627U (ja) * 1983-02-28 1984-09-08 フクビ化学工業株式会社 化粧布張り用コ−ナ−部材
DE4239220C2 (de) * 1992-11-21 1996-08-22 Blach Verfahrenstechnik Gmbh Gleichdrall - Doppelschneckenextruder
IT1279683B1 (it) * 1995-11-10 1997-12-16 Babbini & C Sas Flli Pressa disidratante a vite
IT1282578B1 (it) * 1996-02-07 1998-03-31 Pomini Spa Procedimento e macchina per la mescolazione con laminazione in continuo di materiale termoplastico
US6062719A (en) * 1996-09-24 2000-05-16 The Dow Chemical Company High efficiency extruder
TW348103B (en) * 1996-09-24 1998-12-21 Dow Chemical Co Multiple-screw extruder and method of reducing vent flow in an extruder
JP3499414B2 (ja) * 1996-12-24 2004-02-23 株式会社神戸製鋼所 ２軸混練機
DE19950917A1 (de) * 1999-10-21 2001-04-26 Degussa Doppelschneckenextruder mit neuen Schneckenelementen
US6783270B1 (en) * 2000-07-31 2004-08-31 Steer Engineering (P) Limited Fractional and higher lobed co-rotating twin-screw elements
DE10114727B4 (de) * 2001-03-22 2005-05-12 Berstorff Gmbh Schneckenelement für gleichsinnig drehende Mehrschneckenextruder
DE10122462C1 (de) * 2001-05-09 2002-10-10 3 & Extruder Gmbh Vorrichtung mit Schnecken zum Homogenisieren und/oder Dispergieren eines viskosen Stoffes und eines Feststoffes und/oder eines anderen Stoffes unterschiedlicher Viskosität
DE10143570A1 (de) * 2001-09-05 2003-03-20 Buehler Ag Entgasung von fließfähigen Massen in einem Mehrwellenextruder
DE10233214B4 (de) 2002-07-22 2005-01-27 3+Extruder Gmbh Extruder zum kontinuierlichen Bearbeiten und/oder Verarbeiten von fließfähigen Materialien
DE10233213B4 (de) 2002-07-22 2004-09-09 3+Extruder Gmbh Extruder
DE102004003448B3 (de) * 2004-01-22 2005-11-10 Nestle S.A. Tieftemperaturextrusionsverfahren zur Mikrostrukturierung von gefrorenen, belüfteten Massen, beispielsweise Eiskrem, und Tieftemperaturextrusionsvorrichtung zum Durchführen dieses Verfahrens
US7390118B2 (en) * 2004-10-15 2008-06-24 Husky Injection Molding Systems Ltd. Extruder assembly
DE102004052055B4 (de) * 2004-10-26 2014-11-20 Blach Verwaltung Gmbh & Co.Kg Extruder
DE102005053907B4 (de) * 2005-11-11 2009-05-20 Blach Verwaltung Gmbh & Co.Kg Mehrwellenextruder
EP1832281A1 (en) 2006-03-10 2007-09-12 Abbott GmbH & Co. KG Process for producing a solid dispersion of an active ingredient
DE102008016862C5 (de) * 2008-04-02 2019-12-19 Blach Verwaltungs Gmbh & Co. Kg Extruder
DE102008029305A1 (de) * 2008-06-20 2009-12-24 Bayer Technology Services Gmbh Schneckenelemente mit reduziertem Kammwinkel
DE102008029306A1 (de) * 2008-06-20 2009-12-24 Bayer Technology Services Gmbh Schneckenelemente mit reduziertem Energieeintrag beim Druckaufbau
DE102008029304A1 (de) * 2008-06-20 2009-12-24 Bayer Technology Services Gmbh Verfahren zur Erzeugung von Schneckenelementen
CN102497969B (zh) 2009-07-16 2014-12-03 约瑟夫·A·布拉克 挤压机
JP5318709B2 (ja) * 2009-08-26 2013-10-16 ポリプラスチックス株式会社 スクリューエレメントピース及びスクリュー
DE102009059072A1 (de) * 2009-12-18 2011-06-22 Bayer Technology Services GmbH, 51373 Schneckenelemente zur Extrusion viskoelastischer Massen
AT509710B1 (de) * 2010-03-24 2011-11-15 Josef Ing Blach Extruder
CN102259416A (zh) * 2011-05-31 2011-11-30 四川金鑫螺杆成套设备有限公司 三头螺纹元件及使用该元件的双螺杆挤出机
AT512974B1 (de) * 2012-05-23 2015-02-15 Josef A Ing Blach Mehrwellenextruder
JP6513647B2 (ja) * 2013-06-24 2019-05-15 コベストロ、ドイチュラント、アクチエンゲゼルシャフトＣｏｖｅｓｔｒｏ Ｄｅｕｔｓｃｈｌａｎｄ Ａｇ 多軸スクリュー式機械用のスクリューエレメント
DE102014219706B3 (de) * 2014-09-29 2016-03-31 Battenfeld-Cincinnati Austria Gmbh Extruderschnecke
CN104527025B (zh) 2014-12-29 2017-05-17 广东轻工职业技术学院 带有折流板的同向自洁双螺杆挤出机及其加工方法
AT519286B1 (de) * 2016-10-19 2018-12-15 Gruber Dietmar Doppelschneckenextruder
US11752681B2 (en) * 2017-06-22 2023-09-12 Steer Engineering Private Limited Method for producing fused unplasticised polyvinyl chloride articles
US20220126245A1 (en) 2019-02-27 2022-04-28 Covestro Intellectual Property Gmbh & Co. Kg Screw element having an axially asymmetrical screw profile which has at least two construction points located within the screw profile
FR3093458A1 (fr) 2019-03-06 2020-09-11 Compagnie Generale Des Etablissements Michelin Machine de Mélangeage et d’Extrusion à Bi-Vis Autonettoyante et Méthode d’Utilisation
FR3093456A1 (fr) 2019-03-06 2020-09-11 Compagnie Generale Des Etablissements Michelin Mécanisme de Sortie d’un Mélangeur à Bi-Vis Conique Convergente
FR3093459A1 (fr) 2019-03-06 2020-09-11 Compagnie Generale Des Etablissements Michelin Gestion de Température des Mélanges de Caoutchouc Sortant un Mélangeur à Bi-Vis Conique Convergente
FR3093457A1 (fr) 2019-03-06 2020-09-11 Compagnie Generale Des Etablissements Michelin Machine de Mélangeage et d’Extrusion à Bi-Vis avec Éléments Amovibles
CN111483073A (zh) * 2020-04-21 2020-08-04 安徽绿谷新材料有限公司 热塑性弹性体加工用双螺杆挤出机及其使用方法
CN113927871B (zh) * 2021-10-08 2022-08-05 大连理工大学 一种含偏心螺杆的挤出装置及挤出机
WO2023169894A1 (de) 2022-03-11 2023-09-14 Covestro Deutschland Ag Schneckenelemente mit verbesserter mischwirkung und druckaufbau
EP4507871A1 (de) 2022-04-11 2025-02-19 Covestro Deutschland AG Mehrwellige schneckenmaschine mit einem paar schneckenelementen mit verbesserter misch- und entgasungswirkung bei reduziertem energieeintrag
EP4458548A1 (de) 2023-05-04 2024-11-06 Covestro Deutschland AG Schneckenelemente mit verbesserter mischwirkung und verbessertem wärmeübergang und deren verwendung

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE14109C (de) * W. C. BROWN in Sheffield, England Neuerungen an Vorrichtungen oder Apparaten, um Körper im Wasser schwimmend zu erhalten
US3104420A (en) * 1960-12-06 1963-09-24 Gerhard Kestermann K G Masticator for plastic materials
DE1554751B1 (de) * 1966-09-10 1971-01-07 Kestermann Maschf Rolf Schnecken-Strangpresse
DE1802593B2 (de) * 1968-10-11 1971-12-02 Doppelschneckenpresse fuer kunststoffe
JPS498936B1 (it) * 1968-10-21 1974-03-01
FR2093483A5 (it) * 1970-05-08 1972-01-28 Plast Elastverarbeitungsmasch
US3900187A (en) * 1973-10-29 1975-08-19 Baker Perkins Inc Continuous mixing and/or kneading machine with co-wiping single lead screws
DE2446436A1 (de) * 1974-09-28 1976-04-08 Bayer Ag Mehrwellige schneckenmaschine
US4131371A (en) * 1977-08-03 1978-12-26 E. I. Du Pont De Nemours And Company Co-rotating multiple screw processor

Also Published As

Publication number Publication date
DE2861917D1 (en) 1982-08-12
CA1124973A (en) 1982-06-08
JPS5472265A (en) 1979-06-09
SU1190979A3 (ru) 1985-11-07
MX150779A (es) 1984-07-16
WO1979000305A1 (en) 1979-05-31
JPS5829733B2 (ja) 1983-06-24
EP0002131B1 (en) 1982-06-23
AU4171278A (en) 1979-05-24
US4300839A (en) 1981-11-17
EP0002131B2 (en) 1987-04-22
AU520866B2 (en) 1982-03-04
EP0002131A1 (en) 1979-05-30
IT7829902A0 (it) 1978-11-17

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