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GB2359271B - Double screw extruder - Google Patents

Double screw extruder

Info

Publication number
GB2359271B
GB2359271B GB0102095A GB0102095A GB2359271B GB 2359271 B GB2359271 B GB 2359271B GB 0102095 A GB0102095 A GB 0102095A GB 0102095 A GB0102095 A GB 0102095A GB 2359271 B GB2359271 B GB 2359271B
Authority
GB
United Kingdom
Prior art keywords
screw extruder
double screw
double
extruder
screw
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
GB0102095A
Other versions
GB2359271A (en
GB0102095D0 (en
Inventor
Rainer Harter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Krupp Werner and Pfleiderer GmbH
Original Assignee
Krupp Werner and 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/en
Application filed by Krupp Werner and Pfleiderer GmbH filed Critical Krupp Werner and Pfleiderer GmbH
Publication of GB0102095D0 publication Critical patent/GB0102095D0/en
Publication of GB2359271A publication Critical patent/GB2359271A/en
Application granted granted Critical
Publication of GB2359271B publication Critical patent/GB2359271B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
GB0102095A 2000-02-01 2001-01-26 Double screw extruder Expired - Lifetime GB2359271B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20001687 2000-02-01
DE20015290U DE20015290U1 (en) 2000-02-01 2000-09-05 Double screw extruder

Publications (3)

Publication Number Publication Date
GB0102095D0 GB0102095D0 (en) 2001-03-14
GB2359271A GB2359271A (en) 2001-08-22
GB2359271B true GB2359271B (en) 2003-10-15

Family

ID=26056044

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0102095A Expired - Lifetime GB2359271B (en) 2000-02-01 2001-01-26 Double screw extruder

Country Status (4)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20030993A1 (en) * 2003-12-11 2004-03-11 Spreafico Vittorino & Flii S R L SINGLE-PRINCIPLE TRANSPORT-CHEWING ELEMENT FOR TWO-SCREW EXTRUDER, EXTRUDER AND RELATED EXTRUSION PROCEDURE.
WO2010035278A1 (en) * 2008-09-29 2010-04-01 Steer Engineering Private Limited An extruder and a method of extruder operation
CN102171494B (en) 2008-10-03 2014-12-03 思蒂亚工程私人有限公司 Stress concentration free spline profile
CN103862653A (en) * 2012-12-17 2014-06-18 陈克俭 Parallel co-rotating intermeshing twin-screw extruder
DE102013108629B4 (en) * 2013-08-09 2017-07-20 Leistritz Extrusionstechnik Gmbh Extruder and method for operating an extruder
CN104527023A (en) * 2014-12-30 2015-04-22 广东联塑机器制造有限公司 Extruder for preventing screw from being twisted off

Citations (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
US5593227A (en) * 1994-07-26 1997-01-14 Werner & Pfleiderer, Gmbh Twin-shaft screw-type extruding machine having mixing elements with wings
WO1997012746A1 (en) * 1995-09-29 1997-04-10 Krupp Werner & Pfleiderer Gmbh Method of carrying out continuous preparation processes on tightly meshing extruders rotating in the same sense

Patent Citations (4)

* 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
US5593227A (en) * 1994-07-26 1997-01-14 Werner & Pfleiderer, Gmbh Twin-shaft screw-type extruding machine having mixing elements with wings
WO1997012746A1 (en) * 1995-09-29 1997-04-10 Krupp Werner & Pfleiderer Gmbh Method of carrying out continuous preparation processes on tightly meshing extruders rotating in the same sense
US6042260A (en) * 1995-09-29 2000-03-28 Krupp Werner & Pfleiderer Gmbh Method of carrying out continuous preparation processes on tightly meshing extruders rotating in the same sense

Also Published As

Publication number Publication date
ITTO20010013V0 (en) 2001-01-26
FR2804365A3 (en) 2001-08-03
CH694795A5 (en) 2005-07-29
GB2359271A (en) 2001-08-22
ITTO20010013U1 (en) 2002-07-26
FR2804365B3 (en) 2001-12-28
GB0102095D0 (en) 2001-03-14

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20210125