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Info

Publication number
DE2758265C2
DE2758265C2 DE19772758265 DE2758265A DE2758265C2 DE 2758265 C2 DE2758265 C2 DE 2758265C2 DE 19772758265 DE19772758265 DE 19772758265 DE 2758265 A DE2758265 A DE 2758265A DE 2758265 C2 DE2758265 C2 DE 2758265C2
Authority
DE
Grant status
Grant
Patent type
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
Application number
DE19772758265
Other versions
DE2758265A1 (de )
Inventor
Dietmar 3000 Hannover De Anders
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.)
HERMANN BERSTORFF MASCHINENBAU GmbH 3000 HANNOVER DE
Original Assignee
HERMANN BERSTORFF MASCHINENBAU GMBH, 3000 HANNOVER, DE
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
Grant date

Links

Classifications

    • 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
    • B29C47/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C47/08Component parts, details or accessories; Auxiliary operations
    • B29C47/10Feeding the material to the extruder
    • B29C47/1063Feeding the material to the extruder in liquid form
    • 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
    • B29C47/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C47/08Component parts, details or accessories; Auxiliary operations
    • B29C47/92Measuring, controlling or regulating
    • 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
    • B29C2947/00Indexing scheme relating to extrusion moulding
    • B29C2947/92Measuring, controlling or regulating
    • B29C2947/92009Measured parameter
    • B29C2947/92085Velocity
    • B29C2947/92095Angular velocity
    • 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
    • B29C2947/00Indexing scheme relating to extrusion moulding
    • B29C2947/92Measuring, controlling or regulating
    • B29C2947/92323Location or phase of measurement
    • B29C2947/92361Extrusion unit
    • B29C2947/92371Inlet shaft or slot, e.g. passive hopper; Injector, e.g. injector nozzle on barrel
    • 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
    • B29C2947/00Indexing scheme relating to extrusion moulding
    • B29C2947/92Measuring, controlling or regulating
    • B29C2947/92819Location or phase of control
    • B29C2947/92857Extrusion unit
    • B29C2947/92914Degassing unit
    • 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
    • B29C47/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C47/0009Extrusion 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 articles
DE19772758265 1977-12-27 1977-12-27 Expired DE2758265C2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19772758265 DE2758265C2 (de) 1977-12-27 1977-12-27

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE19772758265 DE2758265C2 (de) 1977-12-27 1977-12-27
FR7835221A FR2413200B1 (de) 1977-12-27 1978-12-14
US05971590 US4197268A (en) 1977-12-27 1978-12-20 Method of and an apparatus for monitoring the digassing opening on a single or twin screw extruder for processing plastics material
NL7812360A NL7812360A (nl) 1977-12-27 1978-12-20 Werkwijze en inrichting voor het bewaken van de gedeel- telijke vulling van een ontgassingsopening bij een extrusie-inrichting met enkele of dubbele worm voor het verwerken van kunststoffen.
JP16022678A JPS5495663A (en) 1977-12-27 1978-12-27 Method and apparatus for monitoring partial filling of degas opening in extruder

Publications (2)

Publication Number Publication Date
DE2758265A1 true DE2758265A1 (de) 1979-06-28
DE2758265C2 true DE2758265C2 (de) 1982-12-23

Family

ID=6027428

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772758265 Expired DE2758265C2 (de) 1977-12-27 1977-12-27

Country Status (5)

Country Link
US (1) US4197268A (de)
JP (1) JPS5495663A (de)
DE (1) DE2758265C2 (de)
FR (1) FR2413200B1 (de)
NL (1) NL7812360A (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2922572C2 (de) * 1979-06-02 1983-10-20 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover, De
DE3242239A1 (de) * 1982-11-15 1984-05-17 Berstorff Gmbh Masch Hermann Einrichtung zur fuellstandsueberwachung eines an einer vacuumquelle angeschlossenen entgasungsdomes fuer extruder
JPS6231727B2 (de) * 1982-12-21 1987-07-10 Ube Industries
DE3744193C1 (de) * 1987-12-24 1989-01-26 Berstorff Gmbh Masch Hermann Verfahren und Extruder zum Entgasen thermoplastischer Kunststoffschmelzen ueber einen weiten Viskositaetsbereich
JPH01259922A (en) * 1988-04-11 1989-10-17 Toshiba Mach Co Ltd Vent type injection molding machine
DE3816981A1 (de) * 1988-05-18 1989-11-30 N Proizv Ob Plastmassy Einrichtung zur automatischen steuerung der dosierten polymerzufuehrung aus einem aufgabeapparat in einen extruder
DE3900952C1 (de) * 1989-01-14 1990-03-22 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover, De
DE4017724C1 (de) * 1990-06-01 1991-03-07 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover, De
US5358453A (en) * 1993-10-13 1994-10-25 Mitsuboshi Belting Ltd. Cogged v-belt
US5468429A (en) * 1994-04-15 1995-11-21 Li; Tzu-Li Ultrasound-enhanced devolatilization of thermoplastic plastics
US6280667B1 (en) 1999-04-19 2001-08-28 Andersen Corporation Process for making thermoplastic-biofiber composite materials and articles including a poly(vinylchloride) component
CN106003461B (zh) * 2016-06-08 2017-12-05 厦门川汉环保科技有限公司 废塑料再生利用带气体保护与改性造粒一体化装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3148231A (en) * 1961-03-20 1964-09-08 Eastman Kodak Co Plastic extrusion, apparatus and control
DE1302684B (de) * 1961-06-21 Automatic Process Control Inc
US3244688A (en) * 1962-04-16 1966-04-05 Phillips Petroleum Co Process for processing of polymers
DE1201041B (de) * 1962-07-10 1965-09-16 Kloeckner Humboldt Deutz Ag Schneckenstrangpresse fuer plastische Massen, z. B. thermoplastische Kunststoffe
FR1391200A (fr) * 1963-02-18 1965-03-05 Du Pont Perfectionnements aux procédés et appareils de fabrication de produits extrudés à partir de résines de polyamides et autres polymères fusibles
US3579728A (en) * 1965-07-09 1971-05-25 Phillips Petroleum Co Polymer separation
US3524222A (en) * 1968-05-13 1970-08-18 Egan Machinery Co Extruder screw devolatilizing and mixing section
JPS4913260A (de) * 1972-05-17 1974-02-05
JPS5232776B2 (de) * 1973-10-27 1977-08-24
DE2520244C3 (de) * 1975-05-07 1978-03-16 Werner & Pfleiderer, 7000 Stuttgart
DE2543329B2 (de) * 1975-09-29 1977-11-24 Vorrichtung zum extrudieren von kunststoffen und elastomeren
JPS55220B2 (de) * 1976-04-22 1980-01-07

Also Published As

Publication number Publication date Type
NL7812360A (nl) 1979-06-29 application
FR2413200A1 (fr) 1979-07-27 application
JPS5495663A (en) 1979-07-28 application
US4197268A (en) 1980-04-08 grant
FR2413200B1 (de) 1984-01-13 grant
DE2758265A1 (de) 1979-06-28 application

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Legal Events

Date Code Title Description
OAP Request for examination filed
OD Request for examination
D2 Grant after examination
8339 Ceased/non-payment of the annual fee