DE20080290U1 - Vorrichtung zur Einbringung von empfindlichen Additiven in thermoplastisches Kunststoffmaterial - Google Patents
Vorrichtung zur Einbringung von empfindlichen Additiven in thermoplastisches KunststoffmaterialInfo
- Publication number
- DE20080290U1 DE20080290U1 DE20080290U DE20080290U DE20080290U1 DE 20080290 U1 DE20080290 U1 DE 20080290U1 DE 20080290 U DE20080290 U DE 20080290U DE 20080290 U DE20080290 U DE 20080290U DE 20080290 U1 DE20080290 U1 DE 20080290U1
- Authority
- DE
- Germany
- Prior art keywords
- screw
- plastic material
- zone
- plasticizing
- relaxation zone
- 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
Links
- 239000000654 additive Substances 0.000 title claims description 51
- 239000012815 thermoplastic material Substances 0.000 title description 3
- 239000000463 material Substances 0.000 claims description 95
- 239000004033 plastic Substances 0.000 claims description 69
- 229920003023 plastic Polymers 0.000 claims description 69
- 230000000996 additive effect Effects 0.000 claims description 26
- 238000010008 shearing Methods 0.000 claims description 9
- 230000010006 flight Effects 0.000 claims description 6
- 238000004898 kneading Methods 0.000 claims description 5
- 229920001169 thermoplastic Polymers 0.000 claims description 5
- 238000009825 accumulation Methods 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 description 8
- 230000032258 transport Effects 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000007872 degassing Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 230000003685 thermal hair damage Effects 0.000 description 3
- 238000009736 wetting Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000002657 fibrous material Substances 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000011151 fibre-reinforced plastic Substances 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000012783 reinforcing fiber Substances 0.000 description 1
- 239000012763 reinforcing filler Substances 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 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
- B29C48/74—Bypassing means, i.e. part of the molten material being diverted into downstream stages of the extruder
- B29C48/745—Bypassing means, i.e. part of the molten material being diverted into downstream stages of the extruder for plasticising or homogenising devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
- B29B7/42—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
- B29B7/426—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix with consecutive casings or screws, e.g. for charging, discharging, mixing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
- B29B7/42—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
- B29B7/428—Parts or accessories, e.g. casings, feeding or discharging means
- B29B7/429—Screws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/58—Component parts, details or accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/58—Component parts, details or accessories; Auxiliary operations
- B29B7/60—Component parts, details or accessories; Auxiliary operations for feeding, e.g. end guides for the incoming material
- B29B7/603—Component parts, details or accessories; Auxiliary operations for feeding, e.g. end guides for the incoming material in measured doses, e.g. proportioning of several materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/58—Component parts, details or accessories; Auxiliary operations
- B29B7/66—Recycling the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/82—Heating or cooling
- B29B7/826—Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/88—Adding charges, i.e. additives
- B29B7/885—Adding charges, i.e. additives with means for treating, e.g. milling, the charges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/88—Adding charges, i.e. additives
- B29B7/90—Fillers or reinforcements, e.g. fibres
-
- 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
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/29—Feeding the extrusion material to the extruder in liquid form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/58—Component parts, details or accessories; Auxiliary operations
- B29B7/72—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
- 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
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/288—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules
- B29C48/2886—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules of fillers or of fibrous materials, e.g. short-fibre reinforcements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/0005—Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
- B29K2105/12—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of short lengths, e.g. chopped filaments, staple fibres or bristles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Description
Claims (10)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT0120599A AT407505B (de) | 1999-07-12 | 1999-07-12 | Vorrichtung und verfahren zur einbringung von empfindlichen additiven in thermoplastisches kunststoffmaterial |
| PCT/AT2000/000127 WO2001003907A1 (de) | 1999-07-12 | 2000-05-08 | Vorrichtung und verfahren zur einbringung von empfindlichen additiven in thermoplastisches kunststoffmaterial |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE20080290U1 true DE20080290U1 (de) | 2002-01-24 |
Family
ID=3508900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE20080290U Expired - Lifetime DE20080290U1 (de) | 1999-07-12 | 2000-05-08 | Vorrichtung zur Einbringung von empfindlichen Additiven in thermoplastisches Kunststoffmaterial |
Country Status (4)
| Country | Link |
|---|---|
| AT (1) | AT407505B (de) |
| AU (1) | AU4723500A (de) |
| DE (1) | DE20080290U1 (de) |
| WO (1) | WO2001003907A1 (de) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004007479A1 (de) * | 2004-02-13 | 2005-09-08 | Berstorff Gmbh | Verfahren und Vorrichtung zur Verarbeitung von mindestens zwei Materialien zu einem Produkt |
| AT525668A4 (de) * | 2022-07-11 | 2023-06-15 | Engel Austria Gmbh | Plastifiziereinheit für eine Formgebungsmaschine |
| EP4438264A1 (de) * | 2023-03-29 | 2024-10-02 | Coperion GmbH | Vorrichtung und verfahren zum aufbereiten von kunststoffmaterial |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITMI20071005A1 (it) * | 2007-05-18 | 2008-11-19 | Polimeri Europa Spa | Procedimento per la preparazione di granuli a base di polimeri termoplastici espandibili e relativo prodotto |
| AT506298B1 (de) * | 2008-02-20 | 2009-08-15 | Schulz Helmuth Ing | Vorrichtung zum extrudieren von thermoplastischem kunststoffgut |
| IT1395941B1 (it) * | 2009-10-15 | 2012-11-02 | Maria De | Procedimento per la produzione di manufatti con gomma riciclata particolarmente da pneumatici, nonché impianto per la sua attuazione e manufatto ottenuto. |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1219946A (en) * | 1968-08-14 | 1971-01-20 | Ici Ltd | Extrusion process and apparatus |
| JPS5741932A (en) * | 1980-08-27 | 1982-03-09 | Toshiba Mach Co Ltd | Manufacture of extruded article and device therefor |
| US5190706A (en) * | 1988-02-26 | 1993-03-02 | Sealed Air Corporation | Method for making multicolored foam and product thereof |
| ES2094657T3 (es) * | 1993-06-08 | 1997-01-16 | Helmut Bacher | Dispositivo para desgasificar material termoplastico. |
| US5749649A (en) * | 1996-03-05 | 1998-05-12 | Dynamic Mixers Inc. | Satellite extruder arrangement for polymer melt mixing with a dynamic mixer |
-
1999
- 1999-07-12 AT AT0120599A patent/AT407505B/de not_active IP Right Cessation
-
2000
- 2000-05-08 WO PCT/AT2000/000127 patent/WO2001003907A1/de not_active Ceased
- 2000-05-08 AU AU47235/00A patent/AU4723500A/en not_active Abandoned
- 2000-05-08 DE DE20080290U patent/DE20080290U1/de not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004007479A1 (de) * | 2004-02-13 | 2005-09-08 | Berstorff Gmbh | Verfahren und Vorrichtung zur Verarbeitung von mindestens zwei Materialien zu einem Produkt |
| DE102004007479B4 (de) * | 2004-02-13 | 2009-01-22 | Kraussmaffei Berstorff Gmbh | Verfahren und Vorrichtung zur Verarbeitung von mindestens zwei Materialien zu einem Produkt |
| AT525668A4 (de) * | 2022-07-11 | 2023-06-15 | Engel Austria Gmbh | Plastifiziereinheit für eine Formgebungsmaschine |
| AT525668B1 (de) * | 2022-07-11 | 2023-06-15 | Engel Austria Gmbh | Plastifiziereinheit für eine Formgebungsmaschine |
| US12151405B2 (en) | 2022-07-11 | 2024-11-26 | Engel Austria Gmbh | Plasticizing unit including a plasticizing screw rotationally and linearly movable within an injection cylinder and having a dam element |
| EP4438264A1 (de) * | 2023-03-29 | 2024-10-02 | Coperion GmbH | Vorrichtung und verfahren zum aufbereiten von kunststoffmaterial |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2001003907A1 (de) | 2001-01-18 |
| AU4723500A (en) | 2001-01-30 |
| AT407505B (de) | 2001-04-25 |
| ATA120599A (de) | 2000-08-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0087699B1 (de) | Mehrwellige, kontinuierlich arbeitende Misch- und Knetmaschine für plastifizierbare Massen mit ineinandergreifenden, gleichsinnig drehenden Schnecken konstanten Achsabstandes | |
| EP2101983B1 (de) | Mischung von kunststoff mit holzpartikeln | |
| EP0701505B1 (de) | Vorrichtung zum entgasen von thermoplastischem kunststoff | |
| DE69524915T2 (de) | Mischvorrichtung und Verfahren zum Zuführen von faserverstärkte Kunststoffschmelze mit Gebrauch dieser Vorrichtung | |
| EP1951500B1 (de) | Vorrichtung zur verarbeitung von material durch mischung und bzw, oder plastifizierung | |
| DE10055097B4 (de) | Kontinuierlicher Mischer | |
| EP3730275B1 (de) | Verfahren zur direktcompoundierung faserverstärkter verbundwerkstoffe für das herstellen von kunststoffformteilen und direktcompoundierungsvorrichtung | |
| DE10050295A1 (de) | Mehrwellen-Extruder und Verfahren zur Aufbereitung und/oder Vorarbeitung von mit Füllstoff versetzten Elastomeren | |
| DE112016001990T5 (de) | Extruderschnecke, Extruder und Extrusionsverfahren | |
| DD231029A1 (de) | Verfahren und einrichtung zum compoundieren von thermoplasten, insbesondere thermoplastabfaellen | |
| WO1993004841A1 (de) | Vorrichtung zum extrudieren von thermoplastischem kunststoffgut | |
| DE19708097A1 (de) | Schnecken-Extrusionsvorrichtung, insbesondere Doppelschnecken-Extrusionsvorrichtung, zur Verarbeitung stark ausgasender Materialien | |
| DE112015002161T5 (de) | Extruderschnecke, Extruder und Extrusionsverfahren | |
| DE2924317C2 (de) | Zweistufige Strangpreßvorrichtung für thermoplastische Formmassen, insbesondere für pulverförmige Kunststoffe | |
| DE10342822B4 (de) | Extruder zum Herstellen von syntaktischem Kunststoff | |
| DE2924318C2 (de) | Zweistufige Schneckenstrangpreßvorrichtung für thermoplastische Formmassen, insbesondere für pulverförmige Kunststoffe | |
| DE2624048A1 (de) | Durchgangsmischmaschine | |
| DE4021751C2 (de) | ||
| EP4015177B1 (de) | Beschickungs-schneckenmaschine zum beschicken einer aufbereitungs-schneckenmaschine, sowie darauf bezogenes verfahren | |
| EP3284567B1 (de) | Vorrichtung und verfahren zur herstellung einer gefärbten und einer ungefärbten kunststoffschmelze | |
| AT407505B (de) | Vorrichtung und verfahren zur einbringung von empfindlichen additiven in thermoplastisches kunststoffmaterial | |
| EP2832522A2 (de) | Verfahren zur Herstellung eines gefüllten Polymerextrudats | |
| DE1803896B2 (de) | Vorrichtung zum strangpressen von thermoplastischen kunstharzen | |
| DE2654774B2 (de) | Schneckenmaschine zur Homogenisierung von aufgeschmolzenen Polymeren | |
| DE1912459A1 (de) | Verfahren und Vorrichtung zur Verarbeitung von hochviskosen Werkstoffen,insbesondere Kautschukmischungen in Einschnecken-Extrudern |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R163 | Identified publications notified | ||
| R207 | Utility model specification |
Effective date: 20020228 |
|
| R150 | Utility model maintained after payment of first maintenance fee after three years |
Effective date: 20030522 |
|
| R081 | Change of applicant/patentee |
Owner name: BACHER, HELMUT, AT Free format text: FORMER OWNER: HELMUT BACHER,HELMUTH SCHULZ,GEORG WENDELIN, , AT Effective date: 20030812 Owner name: SCHULZ, HELMUTH PAUL, AT Free format text: FORMER OWNER: HELMUT BACHER,HELMUTH SCHULZ,GEORG WENDELIN, , AT Effective date: 20030812 Owner name: WENDELIN, GEORG, AT Free format text: FORMER OWNER: HELMUT BACHER,HELMUTH SCHULZ,GEORG WENDELIN, , AT Effective date: 20030812 |
|
| R151 | Utility model maintained after payment of second maintenance fee after six years |
Effective date: 20060608 |
|
| R152 | Utility model maintained after payment of third maintenance fee after eight years |
Effective date: 20080610 |
|
| R071 | Expiry of right |