EP0342839A3
Extruder having degree-of-kneading adjusting device
Abstract
A resin extruder in which the degree of kneading of the resin can be effectively controlled. Either a single-screw extruder or a twin-screw extruder has blocking walls (32,34) formed around a cylindrical portion (12a,13a) of the screw or screws (12,13) just upstream of the kneading section (16). A valve structure (42,44) is provided in the walls to control the kneading of resin at the kneading section.
Term
Term ended
Projected expiry passed 8 May 2009, 17.4 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
1 sheet
Sheet 1
Every citation, both ways
| Document | Relation | Office | Category | Cited during |
|---|---|---|---|---|
| EP0116773A1 | Cites | European Patent Office (EPO) | X | Search report |
| DD158014A1 | Cites | German Democratic Republic (until 1990) | A | Search report |
| DE1909818A1 | Cites | Germany | X | Search report |
| GB2033241A | Cites | United Kingdom | X | Search report |
| FR2197635A1 | Cites | France | A | Search report |
| DE3042427A1 | Cites | Germany | A | Search report |
| DE3407789A1 | Cites | Germany | A | Search report |
15 members in 8 offices
Priority claims12
| Document | Office | Kind | Date |
|---|---|---|---|
| 11812288 | Japan | – | |
| 11812288 | Japan | A | |
| 11812288 | Japan | A | |
| 19345088 | Japan | – | |
| 19345088 | Japan | A | |
| 19345088 | Japan | A | |
| 24392588 | Japan | – | |
| 24392588 | Japan | A | |
| 24392588 | Japan | A | |
| JP19880118122 | – | – | – |
| JP19880193450 | – | – | – |
| JP19880243925 | – | – | – |
Members15
| Document | Office | Kind | |
|---|---|---|---|
| EP0342839A2 | European Patent Office (EPO) | A2 | |
| KR890017066A | Republic of Korea | A | |
| JPH0248920A | Japan | A | |
| BR8902270A | Brazil | A | |
| JPH0292516A | Japan | A | |
| EP0342839A3This record | European Patent Office (EPO) | A3 | |
| KR920002396B1 | Republic of Korea | B1 | |
| SU1741606A3 | Soviet Union (until 1991) | A3 | |
| CA1306838C | Canada | C | |
| US5145251A | United States of America | A | |
| JPH0571021B2 | Japan | B2 | |
| JPH0577491B2 | Japan | B2 | |
| EP0342839B1 | European Patent Office (EPO) | B1 | |
| DE68912642D1 | Germany | D1 | |
| DE68912642T2 | Germany | T2 |
27 legal events, as 2 offices reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | Office | |
|---|---|---|---|
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Be: lapsedLapsedBERE | BERE | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Notification of lapseLapsedST | ST | FR | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Gb: european patent ceased through non-payment of renewal feeCeasedGBPC | GBPC | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| No opposition filedOpposition26N | 26N | EP | |
| No opposition filed within time limitOppositionORIGINAL CODE: 0009261PLBE | PLBE | EP | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: NO OPPOSITION FILED WITHIN TIME LIMITSTAA | STAA | EP | |
| Fr: translation filedET | ET | EP | |
| It: translation for a ep patent filedITF | ITF | EP | |
| It: translation for a ep patent filedITF | ITF | EP | |
| Corresponds to:REF | REF | EP | |
| Designated contracting statesAK | AK | EP | |
| (expected) grantORIGINAL CODE: 0009210GRAA | GRAA | EP | |
| First examination report despatched17Q | 17Q | EP | |
| Request for examination filed17P | 17P | EP | |
| Designated contracting statesAK | AK | EP | |
| Search report despatchedORIGINAL CODE: 0009013PUAL | PUAL | EP | |
| Designated contracting statesAK | AK | EP | |
| Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI | PUAI | EP |
Numbers
- Publication
- 0342839
- Publication, DOCDB
- 0342839
- Publication, EPODOC
- EP0342839
- Application
- 304628
- Application, DOCDB
- 89304628
- Application, EPODOC
- EP19890304628
Titles3
- English
- Extruder having degree-of-kneading adjusting device
- German
- Extruder mit Vorrichtung zum Einstellen des Knetgrades
- French
- Extrudeuse ayant un dispositif de réglage du degré de malaxage
Classification
- CPC, 24
- B29C47/402
- B29B7/428
- B29B7/482
- B29B7/488
- B29C48/92
- B29C48/03
- B29C47/0009
- B29C48/268
- B29C47/0871
- B29C48/395
- B29C47/38
- B29C48/402
- B29C47/92
- B29C2948/926
- B29C2947/926
- B29C2948/92714
- B29C2947/92714
- B29C2948/92885
- B29C2947/92885
- B29C2948/92895
- B29C2947/92895
- B29B7/801
- B29B7/483
- B29B7/489
- IPC, 4
- B29B7 48
- B29C48 03
- B29C48 395
- B29C48 92
Designated states5
- Contracting states, 5
- Belgium
- Germany
- France
- United Kingdom
- Italy