PT1459867E - Dispositivo de mistura para extrusores - Google Patents

Dispositivo de mistura para extrusores

Info

Publication number
PT1459867E
PT1459867E PT03425153T PT03425153T PT1459867E PT 1459867 E PT1459867 E PT 1459867E PT 03425153 T PT03425153 T PT 03425153T PT 03425153 T PT03425153 T PT 03425153T PT 1459867 E PT1459867 E PT 1459867E
Authority
PT
Portugal
Prior art keywords
primary
mixing thread
thread
mixing
mixing device
Prior art date
Application number
PT03425153T
Other languages
English (en)
Inventor
Dario Ivan Sassi
Elia Francesco Sant
Original Assignee
M R S Italia S R L
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 M R S Italia S R L filed Critical M R S Italia S R L
Publication of PT1459867E publication Critical patent/PT1459867E/pt

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
    • 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)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Road Repair (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
PT03425153T 2003-03-13 2003-03-13 Dispositivo de mistura para extrusores PT1459867E (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03425153A EP1459867B1 (en) 2003-03-13 2003-03-13 A mixing device for extruders

Publications (1)

Publication Number Publication Date
PT1459867E true PT1459867E (pt) 2004-12-31

Family

ID=32799212

Family Applications (1)

Application Number Title Priority Date Filing Date
PT03425153T PT1459867E (pt) 2003-03-13 2003-03-13 Dispositivo de mistura para extrusores

Country Status (7)

Country Link
US (1) US7036974B2 (pt)
EP (1) EP1459867B1 (pt)
AT (1) ATE278532T1 (pt)
DE (1) DE60300079T2 (pt)
ES (1) ES2225813T3 (pt)
HK (1) HK1070020A1 (pt)
PT (1) PT1459867E (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE278532T1 (de) * 2003-03-13 2004-10-15 M R S Italia S R L Eine mischvorrichtung für einen extruder
US7387426B2 (en) * 2005-11-04 2008-06-17 Glycon Corporation Extruder screw with mixing section
WO2009051280A2 (en) * 2007-10-19 2009-04-23 Tonen Chemical Corporation Extruder and process for preparing a mixture of polymer and diluent
WO2011004386A2 (en) * 2009-06-17 2011-01-13 Steer Engineering Private Limited An extruder
US10532490B2 (en) * 2016-04-06 2020-01-14 Davis-Standard, Llc Plasticating apparatus screw having grooves of varying angles and depths
CN106113457B (zh) * 2016-06-24 2018-09-18 广东金明精机股份有限公司 用于生产可降解地膜的塑料挤出机
RU178274U1 (ru) * 2017-08-10 2018-03-28 Федеральное государственное автономное образовательное учреждение высшего образования "Крымский федеральный университет имени В.И. Вернадского" Экструдер для переработки разнородных вторичных полимерных материалов

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3652064A (en) * 1968-03-22 1972-03-28 Uniroyal Englebert Ag Apparatus for conveying plastic material
DE2017580A1 (de) * 1970-04-13 1971-10-28 Barmag Barmer Maschf Schneckenstrangpresse mit einer eingängigen, eine erhöhte Scherung bewirkenden Schnecke
US3941535A (en) * 1974-10-01 1976-03-02 Street Louis F Extrusion device
CH618916A5 (pt) * 1977-10-25 1980-08-29 Maillefer Sa
JPS5528868A (en) * 1978-08-24 1980-02-29 Fujikura Ltd Method of extruding plastic
JPS5780037A (en) * 1980-11-05 1982-05-19 Mitsubishi Heavy Ind Ltd High degree kneading type screw
US4752136A (en) * 1986-07-23 1988-06-21 Spirex Corporation Extruder injection apparatus and method
US5056925A (en) * 1990-06-01 1991-10-15 Scientific Process & Research, Inc. Extruder screws and method for accelerating melting in plasticating extruders
US5064293A (en) * 1990-12-28 1991-11-12 Kensaku Nakamura Rotary kneading screw
US5215764A (en) * 1991-06-10 1993-06-01 Westland Corporation Extruder mixing screw
US5318357A (en) * 1992-06-16 1994-06-07 Spirex Corporation Extruder injection apparatus
US5816698A (en) * 1996-04-15 1998-10-06 Spirex Corporation Screw and plasticating apparatus and method
US5798077A (en) * 1996-11-04 1998-08-25 Spirex Corporation Screw for plasticating apparatus and method of use
US6136246A (en) * 1997-11-07 2000-10-24 Rauwendaal Extrusion Engineering Screw extruder with improved dispersive mixing elements
US6497508B1 (en) * 2001-06-15 2002-12-24 New Castle Industries, Inc. Plasticating process, apparatus and screw with mixing
ATE278532T1 (de) * 2003-03-13 2004-10-15 M R S Italia S R L Eine mischvorrichtung für einen extruder
WO2004110725A1 (en) * 2003-06-19 2004-12-23 Husky Injection Molding Systems Ltd. Improved mixer for a plasticizing screw

Also Published As

Publication number Publication date
EP1459867B1 (en) 2004-10-06
US7036974B2 (en) 2006-05-02
EP1459867A1 (en) 2004-09-22
ES2225813T3 (es) 2005-03-16
US20040179425A1 (en) 2004-09-16
HK1070020A1 (en) 2005-06-10
DE60300079T2 (de) 2005-02-10
ATE278532T1 (de) 2004-10-15
DE60300079D1 (de) 2004-12-02

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