DE10348985B3 - Zahnradpumpe - Google Patents

Zahnradpumpe Download PDF

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Publication number
DE10348985B3
DE10348985B3 DE10348985A DE10348985A DE10348985B3 DE 10348985 B3 DE10348985 B3 DE 10348985B3 DE 10348985 A DE10348985 A DE 10348985A DE 10348985 A DE10348985 A DE 10348985A DE 10348985 B3 DE10348985 B3 DE 10348985B3
Authority
DE
Germany
Prior art keywords
gear
housing
stage
gear pump
pump according
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 - Fee Related
Application number
DE10348985A
Other languages
German (de)
English (en)
Inventor
Reinhard Dr. Uphus
Olaf Skibba
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.)
VMI AZ Extrusion GmbH
KraussMaffei Extrusion GmbH
Original Assignee
Az Formen & Maschbau GmbH
A-Z FORMEN- und MASCHINENBAU GmbH
Berstorff 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 to DE10348985A priority Critical patent/DE10348985B3/de
Application filed by Az Formen & Maschbau GmbH, A-Z FORMEN- und MASCHINENBAU GmbH, Berstorff GmbH filed Critical Az Formen & Maschbau GmbH
Priority to CN2004800311931A priority patent/CN1878652B/zh
Priority to RU2006117358/12A priority patent/RU2320482C2/ru
Priority to DE502004002648T priority patent/DE502004002648D1/de
Priority to CA002543145A priority patent/CA2543145A1/en
Priority to ES04790614T priority patent/ES2277297T3/es
Priority to JP2006536027A priority patent/JP4610564B2/ja
Priority to US10/576,809 priority patent/US7354188B2/en
Priority to EP04790614A priority patent/EP1677965B1/de
Priority to PCT/EP2004/011789 priority patent/WO2005039859A1/de
Priority to KR1020067009820A priority patent/KR100872610B1/ko
Application granted granted Critical
Publication of DE10348985B3 publication Critical patent/DE10348985B3/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00Rotary-piston machines or pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00Rotary-piston machines or pumps
    • F04C2/08Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/12Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C2/14Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • F04C2/16Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
    • F04C2/165Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type having more than two rotary pistons with parallel axes
    • 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
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/365Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using pumps, e.g. piston pumps
    • B29C48/37Gear pumps
    • 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
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/375Plasticisers, homogenisers or feeders comprising two or more stages
    • 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
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/375Plasticisers, homogenisers or feeders comprising two or more stages
    • B29C48/387Plasticisers, homogenisers or feeders comprising two or more stages using a screw extruder and a gear pump
    • 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
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395Means 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
    • B29C48/397Means 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 a single screw
    • 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
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395Means 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
    • B29C48/40Means 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
    • B29C48/435Sub-screws
    • 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
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/465Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using rollers
    • B29C48/467Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using rollers using single rollers, e.g. provided with protrusions, closely surrounded by a housing with movement of the material in the axial direction
    • B29C48/468Cavity transfer mixing devices, i.e. a roller and surrounding barrel both provided with cavities; Barrels and rollers therefor
    • 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
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50Details of extruders
    • B29C48/505Screws
    • B29C48/585Screws provided with gears interacting with the flow
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C13/00Adaptations of machines or pumps for special use, e.g. for extremely high pressures
    • F04C13/001Pumps for particular liquids
    • F04C13/002Pumps for particular liquids for homogeneous viscous liquids
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00Rotary-piston machines or pumps
    • F04C2/08Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/12Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C2/14Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • 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
    • B29C48/022Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Reciprocating Pumps (AREA)
DE10348985A 2003-10-22 2003-10-22 Zahnradpumpe Expired - Fee Related DE10348985B3 (de)

Priority Applications (11)

Application Number Priority Date Filing Date Title
DE10348985A DE10348985B3 (de) 2003-10-22 2003-10-22 Zahnradpumpe
EP04790614A EP1677965B1 (de) 2003-10-22 2004-10-19 Zahnradpumpe
DE502004002648T DE502004002648D1 (de) 2003-10-22 2004-10-19 Zahnradpumpe
CA002543145A CA2543145A1 (en) 2003-10-22 2004-10-19 Gear pump
ES04790614T ES2277297T3 (es) 2003-10-22 2004-10-19 Bomba de engranajes.
JP2006536027A JP4610564B2 (ja) 2003-10-22 2004-10-19 歯車ポンプ
CN2004800311931A CN1878652B (zh) 2003-10-22 2004-10-19 齿轮泵
RU2006117358/12A RU2320482C2 (ru) 2003-10-22 2004-10-19 Шестеренчатый насос
PCT/EP2004/011789 WO2005039859A1 (de) 2003-10-22 2004-10-19 Zahnradpumpe
KR1020067009820A KR100872610B1 (ko) 2003-10-22 2004-10-19 기어 펌프
US10/576,809 US7354188B2 (en) 2003-10-22 2004-10-19 Gear pump having input and output screw shafts with a decreasing flight depth toward a gear section in transfer mix areas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10348985A DE10348985B3 (de) 2003-10-22 2003-10-22 Zahnradpumpe

Publications (1)

Publication Number Publication Date
DE10348985B3 true DE10348985B3 (de) 2005-05-19

Family

ID=34442170

Family Applications (2)

Application Number Title Priority Date Filing Date
DE10348985A Expired - Fee Related DE10348985B3 (de) 2003-10-22 2003-10-22 Zahnradpumpe
DE502004002648T Expired - Lifetime DE502004002648D1 (de) 2003-10-22 2004-10-19 Zahnradpumpe

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE502004002648T Expired - Lifetime DE502004002648D1 (de) 2003-10-22 2004-10-19 Zahnradpumpe

Country Status (10)

Country Link
US (1) US7354188B2 (OSRAM)
EP (1) EP1677965B1 (OSRAM)
JP (1) JP4610564B2 (OSRAM)
KR (1) KR100872610B1 (OSRAM)
CN (1) CN1878652B (OSRAM)
CA (1) CA2543145A1 (OSRAM)
DE (2) DE10348985B3 (OSRAM)
ES (1) ES2277297T3 (OSRAM)
RU (1) RU2320482C2 (OSRAM)
WO (1) WO2005039859A1 (OSRAM)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007007824A1 (de) * 2007-02-16 2008-08-21 Vmi - Az Extrusion Gmbh Extruder
EP2119951A2 (de) 2008-05-15 2009-11-18 Ab Skf Schmiermittelversorgungsvorrichtung

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10348985B3 (de) * 2003-10-22 2005-05-19 Berstorff Gmbh Zahnradpumpe
JP4462938B2 (ja) * 2004-01-19 2010-05-12 株式会社ブリヂストン ギアポンプ付押出機
CA2461269A1 (en) * 2004-03-16 2005-09-16 Plastiques Gyf Ltee Bladeless mixer
CN101585227B (zh) * 2008-05-23 2011-04-20 上海龙山凤机器制造有限公司 行星螺杆流涎挤出机
DE102008061327A1 (de) * 2008-12-11 2010-06-17 Vmi - Az Extrusion Gmbh Extruderanordnung
CN102039659B (zh) * 2009-10-15 2013-03-13 煌明机器工业股份有限公司 齿轮泵胶料过滤压出机
US9701081B2 (en) * 2009-12-23 2017-07-11 The Goodyear Tire & Rubber Company Method for forming stratified rubber article with variable cure rate
FR3013762B1 (fr) * 2013-11-27 2017-07-21 Inergy Automotive Systems Res (Societe Anonyme) Pompe pour additif
CN104454516B (zh) * 2014-11-20 2017-01-11 大连华工创新科技股份有限公司 齿轮泵和螺杆泵组合供胶装置
DE102017111275B4 (de) * 2017-05-23 2020-02-13 Gneuss Gmbh Extruderschnecke für einen Mehrschneckenextruder für die Kunststoffextrusion und Mehrschneckenextruder
CN112026116B (zh) * 2020-09-04 2022-04-15 宁波海洲机械有限公司 一种pet专用的注射结构
EP3974151A1 (de) * 2020-09-28 2022-03-30 Feddem GmbH & Co. KG Einrichtung und verfahren zur steuerung der zufuhr von polymerschmelze zu einer kunststoffverarbeitungsmaschine
US11162218B1 (en) * 2020-09-30 2021-11-02 Robert Clayton Biomass pulp digester

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0642913B1 (de) * 1993-09-15 1998-08-12 Bayer Ag Einwellenschnecke mit Zahnradpumpe
WO2000053390A1 (en) * 1999-03-11 2000-09-14 A-Z Formen-Und Maschinenbau Gmbh Single rotor extruders
DE10049730A1 (de) * 2000-09-28 2002-04-18 Berstorff Gmbh Zahnradpumpe zur Förderung hochviskoser Medien und Verwendung dieser Zahnradpumpe
DE10252368A1 (de) * 2001-11-09 2003-05-22 Barmag Barmer Maschf Vorrichtung zum Mischen Fördern einer Polymerschmelze

Family Cites Families (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2767437A (en) * 1952-02-11 1956-10-23 Donald E Marshall Method of amalgamating and extruding soap
US2785438A (en) * 1954-08-18 1957-03-19 Frank W Egan & Company Plastics extruder with mixing head
DE2905717A1 (de) * 1979-02-15 1980-08-28 Berstorff Gmbh Masch Hermann Einschneckenextruder zum verarbeiten und strangpressen von thermoplastischen massen
DE2906324C2 (de) * 1979-02-19 1982-06-24 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Mehrstufige Vorrichtung zum Plastifizieren und Strangpressen von plastischen Massen
DE2924318C2 (de) * 1979-06-15 1984-07-19 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Zweistufige Schneckenstrangpreßvorrichtung für thermoplastische Formmassen, insbesondere für pulverförmige Kunststoffe
US4336213A (en) * 1980-02-06 1982-06-22 Fox Steve A Plastic extrusion apparatus and method
DE3036397A1 (de) * 1980-09-26 1982-05-13 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Einrichtung zum aufbereiten von pulverfoermigen kautschukmischungen
DE3133647C2 (de) * 1981-08-26 1987-02-12 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Vorrichtung zum Aufbereiten und Extrudieren von thermoplastischen Kunststoffen
JPS641500Y2 (OSRAM) * 1984-10-24 1989-01-13
US4642040A (en) * 1985-08-23 1987-02-10 Normag Corporation Extruder drivingly connected to gear pump
DE3615586C1 (de) * 1986-05-09 1987-05-07 Berstorff Gmbh Masch Hermann Strangpressvorrichtung zum Herstellen von Kunststoffschmelzemischungen
SU1537560A1 (ru) 1987-09-28 1990-01-23 Киевский Политехнический Институт Им.50-Летия Великой Октябрьской Социалистической Революции Смеситель дл полимерных материалов
JPH0627381Y2 (ja) * 1988-11-10 1994-07-27 株式会社石中鉄工所 押出し機
DE4015814C1 (OSRAM) * 1990-05-17 1991-04-11 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover, De
US5267847A (en) * 1990-12-24 1993-12-07 Bridgestone Corporation Compact precision extrusion system
US5378415A (en) * 1991-04-07 1995-01-03 Paul Troester Maschinenfabrik Process for the production of homogeneous rubber blanks
US5304054A (en) * 1991-04-19 1994-04-19 Frenkel C-D Aktiengesellschaft Plasticizing sections of cold feed rubber extruders
GB2255039A (en) * 1991-04-19 1992-10-28 Frenkel Ag C D Cold feed rubber extruder construction.
DE4126390A1 (de) * 1991-08-09 1993-02-11 Werner & Pfleiderer Misch- und aufbereitungsvorrichtung mit austragspumpe
DE4312249C1 (de) * 1993-04-15 1994-03-17 Inventa Ag Planetengetriebe für einen Mehrschneckenextruder
DE19614894C2 (de) * 1996-04-16 1997-12-11 Hartmut Hasse Extrusionskopf mit Mischeinrichtung und einstellbarem Schereffekt
DE19703798C2 (de) * 1997-02-01 2000-01-27 Berstorff Gmbh Masch Hermann Zahnradextruder
JPH11198214A (ja) * 1997-11-17 1999-07-27 Sekisui Chem Co Ltd ゴム成形品の製造方法
US6179594B1 (en) * 1999-05-03 2001-01-30 Dynisco, Inc. Air-cooled shaft seal
US6468067B1 (en) * 1999-09-16 2002-10-22 Toyo Tire & Rubber Co., Ltd. Composite extruding apparatus of rubber and method of extruding unvulcanized rubber
JP5060014B2 (ja) * 2000-09-28 2012-10-31 クラウスマッファイ ベルシュトルフ ゲゼルシャフト ミット ベシュレンクテル ハフツング 高粘性媒体用スクリュー押出機・歯車ポンプ装置
FR2828717A1 (fr) * 2001-08-16 2003-02-21 Michelin Soc Tech Pompe a engrenage
DE10150627A1 (de) * 2001-10-12 2003-05-15 Gneuss Kunststofftechnik Gmbh Extruder zur Gewinnung von Kunststoff-Schmelzen
DE10154860A1 (de) * 2001-11-08 2003-05-22 Az Formen & Maschbau Gmbh Extruderanordnung
DE10245306B4 (de) * 2002-09-27 2006-03-30 Berstorff Gmbh Extruder/Zahnradpumpen-Kombination
DE10348985B3 (de) * 2003-10-22 2005-05-19 Berstorff Gmbh Zahnradpumpe
US7040870B2 (en) * 2003-12-30 2006-05-09 The Goodyear Tire & Rubber Company Gear pump with gears having curved teeth and method of feeding elastomeric material
JP2006247917A (ja) * 2005-03-09 2006-09-21 Toyo Tire & Rubber Co Ltd 押出装置
DE102005048847A1 (de) * 2005-10-12 2007-04-19 Vmi-Az Extrusion Gmbh Fördervorrichtung
DE102005061667A1 (de) * 2005-12-22 2007-07-05 Vmi-Az Extrusion Gmbh Planeten-Zahnradpumpe

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0642913B1 (de) * 1993-09-15 1998-08-12 Bayer Ag Einwellenschnecke mit Zahnradpumpe
WO2000053390A1 (en) * 1999-03-11 2000-09-14 A-Z Formen-Und Maschinenbau Gmbh Single rotor extruders
DE10049730A1 (de) * 2000-09-28 2002-04-18 Berstorff Gmbh Zahnradpumpe zur Förderung hochviskoser Medien und Verwendung dieser Zahnradpumpe
DE10252368A1 (de) * 2001-11-09 2003-05-22 Barmag Barmer Maschf Vorrichtung zum Mischen Fördern einer Polymerschmelze

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007007824A1 (de) * 2007-02-16 2008-08-21 Vmi - Az Extrusion Gmbh Extruder
DE102007007824B4 (de) * 2007-02-16 2012-10-25 Vmi - Az Extrusion Gmbh Extruder
EP2119951A2 (de) 2008-05-15 2009-11-18 Ab Skf Schmiermittelversorgungsvorrichtung
DE102008023674A1 (de) 2008-05-15 2009-11-26 Ab Skf Schmiermittelversorgungsvorrichtung
DE102008023674B4 (de) * 2008-05-15 2012-03-22 Ab Skf Schmiermittelversorgungsvorrichtung

Also Published As

Publication number Publication date
EP1677965B1 (de) 2007-01-10
JP2007508965A (ja) 2007-04-12
CA2543145A1 (en) 2005-05-06
KR20060110300A (ko) 2006-10-24
JP4610564B2 (ja) 2011-01-12
ES2277297T3 (es) 2007-07-01
CN1878652A (zh) 2006-12-13
US7354188B2 (en) 2008-04-08
WO2005039859A1 (de) 2005-05-06
US20070237023A1 (en) 2007-10-11
EP1677965A1 (de) 2006-07-12
KR100872610B1 (ko) 2008-12-09
DE502004002648D1 (de) 2007-02-22
RU2320482C2 (ru) 2008-03-27
RU2006117358A (ru) 2007-12-10
CN1878652B (zh) 2010-12-08

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