ITTO20010013U1 - Estrusore a doppia vite senza limitazione del momento torcente anche in caso di elevate dimensioni. - Google Patents

Estrusore a doppia vite senza limitazione del momento torcente anche in caso di elevate dimensioni.

Info

Publication number
ITTO20010013U1
ITTO20010013U1 IT2001TO000013U ITTO20010013U ITTO20010013U1 IT TO20010013 U1 ITTO20010013 U1 IT TO20010013U1 IT 2001TO000013 U IT2001TO000013 U IT 2001TO000013U IT TO20010013 U ITTO20010013 U IT TO20010013U IT TO20010013 U1 ITTO20010013 U1 IT TO20010013U1
Authority
IT
Italy
Prior art keywords
torque
event
limitation
screw extruder
double screw
Prior art date
Application number
IT2001TO000013U
Other languages
English (en)
Inventor
Rainer Herter
Original Assignee
Krupp Werner & Pfleiderer Gmbh
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 claimed from DE20015290U external-priority patent/DE20015290U1/de
Application filed by Krupp Werner & Pfleiderer Gmbh filed Critical Krupp Werner & Pfleiderer Gmbh
Publication of ITTO20010013V0 publication Critical patent/ITTO20010013V0/it
Publication of ITTO20010013U1 publication Critical patent/ITTO20010013U1/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/22—Extrusion presses; Dies therefor
    • B30B11/24—Extrusion presses; Dies therefor using screws or worms
    • B30B11/241—Drive means therefor; screw bearings
    • 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
    • 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
    • B29C48/404—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 non-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
    • B29C48/03—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)
IT2001TO000013U 2000-02-01 2001-01-26 Estrusore a doppia vite senza limitazione del momento torcente anche in caso di elevate dimensioni. ITTO20010013U1 (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20001687 2000-02-01
DE20015290U DE20015290U1 (de) 2000-02-01 2000-09-05 Doppel-Schnecken-Extruder

Publications (2)

Publication Number Publication Date
ITTO20010013V0 ITTO20010013V0 (it) 2001-01-26
ITTO20010013U1 true ITTO20010013U1 (it) 2002-07-26

Family

ID=26056044

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2001TO000013U ITTO20010013U1 (it) 2000-02-01 2001-01-26 Estrusore a doppia vite senza limitazione del momento torcente anche in caso di elevate dimensioni.

Country Status (4)

Country Link
CH (1) CH694795A5 (it)
FR (1) FR2804365B3 (it)
GB (1) GB2359271B (it)
IT (1) ITTO20010013U1 (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20030993A1 (it) * 2003-12-11 2004-03-11 Spreafico Vittorino & Flii S R L Elemento di trasporto-masticazione monoprincipio per estrusore bivite corotante, estrusore e relativo procedimento di estrusione.
WO2010035278A1 (en) * 2008-09-29 2010-04-01 Steer Engineering Private Limited An extruder and a method of extruder operation
CN102171494B (zh) 2008-10-03 2014-12-03 思蒂亚工程私人有限公司 零应力集中花键轮廓
CN103862653A (zh) * 2012-12-17 2014-06-18 陈克俭 平行同向旋转互啮合双螺杆机
DE102013108629B4 (de) * 2013-08-09 2017-07-20 Leistritz Extrusionstechnik Gmbh Extruder und Verfahren zum Betrieb eines Extruders
CN104527023A (zh) * 2014-12-30 2015-04-22 广东联塑机器制造有限公司 一种防螺杆扭断挤出机

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3814211C1 (en) * 1988-04-27 1989-04-27 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover, De Drive mechanism for a twin-screw extruder
DE4426441A1 (de) * 1994-07-26 1996-02-01 Werner & Pfleiderer Zwei-Wellen-Schneckenmaschine, insbesondere Zwei-Wellen-Extruder
DE19536289C2 (de) * 1995-09-29 1999-01-07 Krupp Werner & Pfleiderer Gmbh Verfahren zur Durchführung von kontinuierlichen Aufbereitungsprozessen mit gleichsinnig drehenden, dicht kämmenden Doppelschneckenextrudern

Also Published As

Publication number Publication date
GB2359271A (en) 2001-08-22
FR2804365B3 (fr) 2001-12-28
ITTO20010013V0 (it) 2001-01-26
GB0102095D0 (en) 2001-03-14
FR2804365A3 (fr) 2001-08-03
GB2359271B (en) 2003-10-15
CH694795A5 (de) 2005-07-29

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