NL7909201A - Werkwijze en inrichting voor het verwerken van plas- tische en polymere materialen. - Google Patents
Werkwijze en inrichting voor het verwerken van plas- tische en polymere materialen. Download PDFInfo
- Publication number
- NL7909201A NL7909201A NL7909201A NL7909201A NL7909201A NL 7909201 A NL7909201 A NL 7909201A NL 7909201 A NL7909201 A NL 7909201A NL 7909201 A NL7909201 A NL 7909201A NL 7909201 A NL7909201 A NL 7909201A
- Authority
- NL
- Netherlands
- Prior art keywords
- liquid
- channel
- end wall
- liquid material
- passage
- Prior art date
Links
- 239000000463 material Substances 0.000 title claims description 86
- 238000000034 method Methods 0.000 title claims description 27
- 239000004033 plastic Substances 0.000 title claims description 19
- 229920003023 plastic Polymers 0.000 title claims description 19
- 239000011344 liquid material Substances 0.000 claims description 63
- 239000011236 particulate material Substances 0.000 claims description 55
- 239000007788 liquid Substances 0.000 claims description 35
- 238000002156 mixing Methods 0.000 claims description 21
- 230000000717 retained effect Effects 0.000 claims description 21
- 238000002844 melting Methods 0.000 claims description 20
- 230000008018 melting Effects 0.000 claims description 20
- 238000007790 scraping Methods 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 4
- 238000009825 accumulation Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000014759 maintenance of location Effects 0.000 claims description 3
- 239000012768 molten material Substances 0.000 description 17
- 238000007872 degassing Methods 0.000 description 8
- 239000000155 melt Substances 0.000 description 7
- 229920000642 polymer Polymers 0.000 description 7
- 239000013618 particulate matter Substances 0.000 description 6
- 239000007787 solid Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- -1 polyethylenes Polymers 0.000 description 3
- 230000000750 progressive effect Effects 0.000 description 3
- 230000007480 spreading Effects 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000011343 solid material Substances 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 241000287219 Serinus canaria Species 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229920000592 inorganic polymer Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000289 melt material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000010094 polymer processing Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B3/00—Presses characterised by the use of rotary pressing members, e.g. rollers, rings, discs
- B30B3/02—Presses characterised by the use of rotary pressing members, e.g. rollers, rings, discs co-operating with a fixed member
-
- 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
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/02—Conditioning or physical treatment of the material to be shaped by heating
- B29B13/022—Melting the material to be shaped
-
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/465—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using rollers
-
- 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
- B29C2948/92514—Pressure
-
- 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
- B29C2948/92523—Force; Tension
-
- 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
- B29C2948/92542—Energy, power, electric current or voltage
-
- 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
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
-
- 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
- B29C2948/9258—Velocity
- B29C2948/926—Flow or feed rate
-
- 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
- B29C2948/92695—Viscosity; Melt flow index [MFI]; Molecular weight
-
- 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
- B29C2948/92704—Temperature
-
- 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
- B29C2948/92809—Particular value claimed
-
- 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
- B29C2948/92923—Calibration, after-treatment or cooling zone
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Accessories For Mixers (AREA)
- Rotary Pumps (AREA)
- Nozzles (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US97133278A | 1978-12-20 | 1978-12-20 | |
| US97133278 | 1978-12-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7909201A true NL7909201A (nl) | 1980-06-24 |
Family
ID=25518237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7909201A NL7909201A (nl) | 1978-12-20 | 1979-12-20 | Werkwijze en inrichting voor het verwerken van plas- tische en polymere materialen. |
Country Status (19)
| Country | Link |
|---|---|
| JP (1) | JPS5590311A (pt) |
| KR (1) | KR830002007B1 (pt) |
| AR (1) | AR224884A1 (pt) |
| AU (1) | AU535062B2 (pt) |
| BE (1) | BE880737A (pt) |
| BR (1) | BR7908503A (pt) |
| CA (1) | CA1142319A (pt) |
| DD (1) | DD148029A5 (pt) |
| DE (1) | DE2951228A1 (pt) |
| ES (1) | ES487540A0 (pt) |
| FR (1) | FR2444548A1 (pt) |
| GB (1) | GB2041284B (pt) |
| IL (1) | IL58989A (pt) |
| IN (1) | IN153502B (pt) |
| IT (1) | IT1127302B (pt) |
| NL (1) | NL7909201A (pt) |
| PT (1) | PT70613A (pt) |
| SE (1) | SE7910420L (pt) |
| YU (1) | YU309379A (pt) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4480923A (en) * | 1983-09-14 | 1984-11-06 | Usm Corporation | Rotary processors and seals |
| US4529320A (en) * | 1983-09-14 | 1985-07-16 | Usm Corporation | Rotary processors and method for devolatilizing materials |
| US4529478A (en) * | 1983-09-14 | 1985-07-16 | Usm Corporation | Rotary processors and vacuum systems |
| AT397490B (de) * | 1987-12-15 | 1994-04-25 | Leinweber Anstalt Ing Joh | Vorrichtung zum pressen von gekrümmten bremsbelägen |
| EP0730825A1 (en) * | 1995-03-09 | 1996-09-11 | MAZZONI LB FOOD S.r.l. | Fluidising apparatus for mixture of solid particles dispersed in a continuous lipid phase, in particular chocolate and its derivatives |
| EP0730826A1 (en) * | 1995-03-09 | 1996-09-11 | MAZZONI LB FOOD S.r.l. | A method and equipment for the production of a mixture of solid particles dispersed in a continuous lipid phase, particularly chocolate and its derivatives, using incorporation of micronized gas bubbles |
| DE29713574U1 (de) * | 1997-07-30 | 1997-12-18 | Kientsch, Bernd, 75433 Maulbronn | Vorrichtung zum Extrudieren von plastischen Massen für den Lebensmittel- und Pharmabereich, insbesondere für Brotteige |
| TW426545B (en) * | 1997-12-25 | 2001-03-21 | Nippon Catalytic Chem Ind | Silver catalyst for production of ethylene oxide, method for production thereof, and method for production of ethylene oxide |
| DE10330223A1 (de) * | 2003-07-04 | 2005-01-20 | Coperion Werner & Pfleiderer Gmbh & Co.Kg | Verfahren und Vorrichtung zum Plastifizieren thermoplastischer Kunststoffe |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3153686A (en) * | 1961-01-03 | 1964-10-20 | Owens Illinois Glass Co | Elastic melt extrusion method and apparatus |
| JPS4421514Y1 (pt) * | 1965-09-16 | 1969-09-11 | ||
| US3790328A (en) * | 1972-04-10 | 1974-02-05 | B Maxwell | Apparatus for feeding elastic melt extruders |
| CA1111225A (en) * | 1977-05-11 | 1981-10-27 | Zehev Tadmor | Method and apparatus for processing polymeric material |
-
1979
- 1979-11-29 CA CA000340883A patent/CA1142319A/en not_active Expired
- 1979-12-14 IN IN896/DEL/79A patent/IN153502B/en unknown
- 1979-12-18 GB GB7943598A patent/GB2041284B/en not_active Expired
- 1979-12-18 IL IL58989A patent/IL58989A/xx not_active IP Right Cessation
- 1979-12-18 SE SE7910420A patent/SE7910420L/xx not_active Application Discontinuation
- 1979-12-18 YU YU03093/79A patent/YU309379A/xx unknown
- 1979-12-19 DE DE19792951228 patent/DE2951228A1/de active Granted
- 1979-12-19 ES ES487540A patent/ES487540A0/es active Granted
- 1979-12-19 PT PT70613A patent/PT70613A/pt unknown
- 1979-12-19 FR FR7931173A patent/FR2444548A1/fr active Granted
- 1979-12-19 AR AR279370A patent/AR224884A1/es active
- 1979-12-19 KR KR1019790004576A patent/KR830002007B1/ko active
- 1979-12-19 BE BE0/198650A patent/BE880737A/fr not_active IP Right Cessation
- 1979-12-20 JP JP16627779A patent/JPS5590311A/ja active Pending
- 1979-12-20 BR BR7908503A patent/BR7908503A/pt unknown
- 1979-12-20 NL NL7909201A patent/NL7909201A/nl not_active Application Discontinuation
- 1979-12-20 DD DD79217951A patent/DD148029A5/de unknown
- 1979-12-20 IT IT28234/79A patent/IT1127302B/it active
- 1979-12-20 AU AU54067/79A patent/AU535062B2/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| FR2444548B3 (pt) | 1981-10-23 |
| GB2041284B (en) | 1983-04-13 |
| ES8100143A1 (es) | 1980-11-01 |
| CA1142319A (en) | 1983-03-08 |
| SE7910420L (sv) | 1980-06-21 |
| KR830001028A (ko) | 1983-04-29 |
| IT7928234A0 (it) | 1979-12-20 |
| BE880737A (fr) | 1980-04-16 |
| AU535062B2 (en) | 1984-03-01 |
| FR2444548A1 (fr) | 1980-07-18 |
| DE2951228C2 (pt) | 1987-12-10 |
| KR830002007B1 (ko) | 1983-10-06 |
| YU309379A (en) | 1983-01-21 |
| DE2951228A1 (de) | 1980-07-03 |
| JPS5590311A (en) | 1980-07-08 |
| BR7908503A (pt) | 1980-09-09 |
| AR224884A1 (es) | 1982-01-29 |
| AU5406779A (en) | 1980-07-10 |
| GB2041284A (en) | 1980-09-10 |
| PT70613A (en) | 1980-01-01 |
| IT1127302B (it) | 1986-05-21 |
| IL58989A (en) | 1982-11-30 |
| ES487540A0 (es) | 1980-11-01 |
| DD148029A5 (de) | 1981-05-06 |
| IN153502B (pt) | 1984-07-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A85 | Still pending on 85-01-01 | ||
| BV | The patent application has lapsed |