DD140223A5 - Extruder - Google Patents

Extruder Download PDF

Info

Publication number: DD140223A5
Authority: DD; German Democratic Republic
Prior art keywords: rotor; bore; wall; extruder; annular
Prior art date: 1977-12-02

Application number

DD78209473A

Other languages

German (de)

English (en)

Inventor

Peter Hold

Zehev Tadmor

Hans R Scharer

Original Assignee

Usm Corp

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.)

1977-12-02

Filing date

1978-12-01

Publication date

1980-02-20

1978-12-01 Application filed by Usm Corp filed Critical Usm Corp

1980-02-20 Publication of DD140223A5 publication Critical patent/DD140223A5/de

Links

239000000463 material Substances 0.000 claims description 32
239000012815 thermoplastic material Substances 0.000 claims description 14
230000004888 barrier function Effects 0.000 claims description 9
238000012545 processing Methods 0.000 claims description 8
238000006073 displacement reaction Methods 0.000 claims description 6
230000000903 blocking effect Effects 0.000 claims description 3
230000008030 elimination Effects 0.000 claims 1
238000003379 elimination reaction Methods 0.000 claims 1
238000000265 homogenisation Methods 0.000 description 7
238000002156 mixing Methods 0.000 description 7
229920001684 low density polyethylene Polymers 0.000 description 4
239000004702 low-density polyethylene Substances 0.000 description 4
238000005086 pumping Methods 0.000 description 4
238000010008 shearing Methods 0.000 description 4
230000009471 action Effects 0.000 description 3
238000001816 cooling Methods 0.000 description 3
238000003780 insertion Methods 0.000 description 2
230000037431 insertion Effects 0.000 description 2
238000000034 method Methods 0.000 description 2
230000008569 process Effects 0.000 description 2
239000004698 Polyethylene Substances 0.000 description 1
230000006978 adaptation Effects 0.000 description 1
239000000654 additive Substances 0.000 description 1
239000003086 colorant Substances 0.000 description 1
238000004891 communication Methods 0.000 description 1
239000002826 coolant Substances 0.000 description 1
238000013461 design Methods 0.000 description 1
238000001035 drying Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
239000012530 fluid Substances 0.000 description 1
239000012943 hotmelt Substances 0.000 description 1
239000007788 liquid Substances 0.000 description 1
238000003754 machining Methods 0.000 description 1
230000007246 mechanism Effects 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
239000012768 molten material Substances 0.000 description 1
238000005457 optimization Methods 0.000 description 1
230000000704 physical effect Effects 0.000 description 1
239000004033 plastic Substances 0.000 description 1
229920003023 plastic Polymers 0.000 description 1
-1 polyethylene Polymers 0.000 description 1
229920000573 polyethylene Polymers 0.000 description 1
229920000642 polymer Polymers 0.000 description 1
230000009467 reduction Effects 0.000 description 1
238000007493 shaping process Methods 0.000 description 1
239000003381 stabilizer Substances 0.000 description 1
238000012546 transfer Methods 0.000 description 1

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
- B29C48/68—Barrels or cylinders
- 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
- B29C48/25—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
- B29C48/67—Screws having incorporated mixing devices not provided for in groups B29C48/52 - B29C48/66
- 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
- B29C48/92—Measuring, controlling or regulating
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92571—Position, e.g. linear or angular
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92885—Screw or gear
- 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
- 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
- B29C48/268—Throttling of the flow, e.g. for cooperating with plasticising elements or for degassing
- 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

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)

DD78209473A 1977-12-02 1978-12-01 Extruder DD140223A5 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/857,181 US4152077A (en)	1977-12-02	1977-12-02	Homogenization extruder

Publications (1)

Publication Number	Publication Date
DD140223A5 true DD140223A5 (de)	1980-02-20

Family

ID=25325391

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DD78209473A DD140223A5 (de)	1977-12-02	1978-12-01	Extruder

Country Status (14)

Country	Link
US (1)	US4152077A (fr)
JP (1)	JPS5486553A (fr)
AU (1)	AU4202478A (fr)
BE (1)	BE872375A (fr)
BR (1)	BR7807990A (fr)
DD (1)	DD140223A5 (fr)
DE (1)	DE2852046A1 (fr)
ES (1)	ES475865A1 (fr)
FR (1)	FR2410552A1 (fr)
GB (1)	GB2009028B (fr)
IT (1)	IT7830463A0 (fr)
LU (1)	LU80604A1 (fr)
NL (1)	NL7811641A (fr)
SE (1)	SE7812358L (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2131342B (en) *	1982-11-26	1986-12-31	Wenger Mfg	Method and apparatus for extrusion of cellulose or fibre containing materials
US4632795A (en) *	1982-11-26	1986-12-30	Wenger Manufacturing, Inc.	Method and apparatus for extrusion processing of cellulose bearing materials
US5356208A (en) *	1993-04-07	1994-10-18	Zehev Tadmor	Screw element having shearing and scraping flights
US6017145A (en) *	1994-12-30	2000-01-25	The Dow Chemical Company	Extruder screw
EP1567319B8 (fr) *	2002-11-21	2009-11-25	Andritz Sprout A/S	Appareil de commande du cisaillement destine a une extrudeuse

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1145787B (de) *	1959-03-10	1963-03-21	Kloeckner Humboldt Deutz Ag	Schneckenstrangpresse mit einem Stauabschnitt, dessen Querschnitt veraenderlich ist
US3411179A (en) *	1966-04-12	1968-11-19	Frank W Egan & Company	Extruder screw mixing section
AT307010B (de) *	1968-12-21	1973-05-10	Werner & Pfleiderer	Vorrichtung zum kontinuierlichen Kneten, Mischen und Homogenisieren plastischer Massen
US3814779A (en) *	1971-04-01	1974-06-04	Cosden Oil & Chem Co	Method of forming foamed polystyrene articles from polystyrene beads
US3867079A (en) *	1972-08-10	1975-02-18	Goodrich Co B F	Apparatus for extruding polymeric material
US3850414A (en) *	1972-12-26	1974-11-26	H Scharer	Homogenizing extruders

1977
- 1977-12-02 US US05/857,181 patent/US4152077A/en not_active Expired - Lifetime
1978
- 1978-11-27 NL NL7811641A patent/NL7811641A/xx not_active Application Discontinuation
- 1978-11-28 ES ES475865A patent/ES475865A1/es not_active Expired
- 1978-11-29 BE BE192019A patent/BE872375A/fr unknown
- 1978-11-29 AU AU42024/78A patent/AU4202478A/en active Pending
- 1978-11-29 FR FR7833748A patent/FR2410552A1/fr not_active Withdrawn
- 1978-11-30 SE SE7812358A patent/SE7812358L/xx unknown
- 1978-11-30 GB GB7846694A patent/GB2009028B/en not_active Expired
- 1978-12-01 IT IT7830463A patent/IT7830463A0/it unknown
- 1978-12-01 DD DD78209473A patent/DD140223A5/de unknown
- 1978-12-01 DE DE19782852046 patent/DE2852046A1/de not_active Withdrawn
- 1978-12-01 JP JP14959978A patent/JPS5486553A/ja active Pending
- 1978-12-01 BR BR7807990A patent/BR7807990A/pt unknown
- 1978-12-01 LU LU80604A patent/LU80604A1/fr unknown

Also Published As

Publication number	Publication date
BR7807990A (pt)	1979-07-31
AU4202478A (en)	1979-06-07
US4152077A (en)	1979-05-01
SE7812358L (sv)	1979-06-03
GB2009028B (en)	1982-05-19
IT7830463A0 (it)	1978-12-01
ES475865A1 (es)	1980-02-01
JPS5486553A (en)	1979-07-10
FR2410552A1 (fr)	1979-06-29
GB2009028A (en)	1979-06-13
DE2852046A1 (de)	1979-06-13
LU80604A1 (fr)	1979-05-16
NL7811641A (nl)	1979-06-06
BE872375A (fr)	1979-03-16

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DE60312881T2 (de)	2007-08-30	Modular aufgebaute wasserstromführung für unterwassergranulierer
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CH630285A5 (de)	1982-06-15	Vorrichtung zum kontinuierlichen mischen fliessfaehiger materialien.
DE3902666A1 (de)	1989-11-23	Drehknetschnecke
DE1729301B2 (fr)	1978-08-10
DE69205105T2 (de)	1996-04-04	Kontinuierlicher Knetapparat.
WO2011035769A1 (fr)	2011-03-31	Ebauche et outil à canaux de refroidissement
DE2624589C3 (de)	1981-01-15	Extrudiermaschine für thermoplastische Kunststoffe
DE1502335B2 (de)	1971-10-21	Schneckenstrangprese fuer die verarbeitung von kunststoff
DE112016001976T5 (de)	2018-02-22	Extruderschnecke, Extruder und Extrusionsverfahren
DE2415896C3 (de)	1980-10-30	Schneckenstrangpresse
DE1729145C3 (de)	1979-03-15	Schneckenstrangpresse für Kunststoff
DE3208973A1 (de)	1983-09-22	Vorrichtung zum bearbeiten von viskosen stoffen bzw. stoffen, die bei der bearbeitung viskos werden
EP2921279B1 (fr)	2017-02-22	Dispositif et procédé d'homogénéisation de coulées de matière synthétique
DE2364507A1 (de)	1974-06-27	Homogenisierungsextruder
DE102009059912B4 (de)	2023-08-03	Planetwalzenextruder
EP2272651A1 (fr)	2011-01-12	Machine à vis sans fin avec élément de malaxage dispersif
DE69327519T2 (de)	2000-08-31	Schraubelement mit Scher- und Schabschneckenstegen
DE102009009775A1 (de)	2010-01-28	Planetenspindel
DE69906771T2 (de)	2004-03-11	Rotor-stator mischvorrichtung insbesondere für einschneckenstrangpresse
EP0490362B1 (fr)	1994-07-13	Extrudeuse à haut rendement à nombre de filets constant dans la zone d'entrée et dans la zone de sortie d'un élément de cisaillement par transfert
DE4120016C1 (fr)	1992-07-02