WO2004111419A1 - Kolben für einen verbrennungsmotor und giessverfahren zu dessen herstellung - Google Patents
Kolben für einen verbrennungsmotor und giessverfahren zu dessen herstellung Download PDFInfo
- Publication number
- WO2004111419A1 WO2004111419A1 PCT/DE2004/001151 DE2004001151W WO2004111419A1 WO 2004111419 A1 WO2004111419 A1 WO 2004111419A1 DE 2004001151 W DE2004001151 W DE 2004001151W WO 2004111419 A1 WO2004111419 A1 WO 2004111419A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- piston
- area
- hubs
- window insert
- salt
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/10—Cores; Manufacture or installation of cores
- B22C9/105—Salt cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D15/00—Casting using a mould or core of which a part significant to the process is of high thermal conductivity, e.g. chill casting; Moulds or accessories specially adapted therefor
- B22D15/02—Casting using a mould or core of which a part significant to the process is of high thermal conductivity, e.g. chill casting; Moulds or accessories specially adapted therefor of cylinders, pistons, bearing shells or like thin-walled objects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/0009—Cylinders, pistons
- B22D19/0027—Cylinders, pistons pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F3/00—Pistons
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49229—Prime mover or fluid pump making
- Y10T29/49249—Piston making
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49229—Prime mover or fluid pump making
- Y10T29/49249—Piston making
- Y10T29/49256—Piston making with assembly or composite article making
- Y10T29/49261—Piston making with assembly or composite article making by composite casting or molding
Definitions
- the invention relates to a piston for an internal combustion engine according to the preamble of claim 1 and a method for its production according to the preamble of claim 3.
- a piston is known from the published patent application DE 199 22 809 A1, the pin hubs of which are molded onto a cylindrical upper area of the piston, are set back from the edge of the upper area, so that when the piston is poured into the underside of the overhang formed thereby, the pin hubs are recessed can be molded.
- a casting mold is used, which contains a pivotable window insert with one casting core per recess, but which can only produce recesses from which the casting core can be pulled out without problems after casting.
- the invention is based on the problem of molding recesses with undercuts in the underside of the upper region of the piston when casting a piston using a pivotable window insert, in order to reduce the weight of the piston as much as possible and also its center of mass shift as far as possible into the lower part of the piston.
- 1 is a partially cut piston after casting with inserted salt molding, attached to a pivotable window insert,
- Fig. 3 shows the partially cut piston after the salt molding is washed out
- Fig. 4 is a bottom view of the piston according to the invention.
- the piston 1 shows a piston 1 in half section, the left half of which shows a section of the piston lying on the longitudinal axis 2 of a piston pin, not shown, and the right half of which shows a side view of the piston 1, in which a coated region 3 of a piston skirt 4 can be seen ,
- the piston 1 is designed as a box piston, that is, below a circular cylindrical upper area 5 that receives the piston rings, there is a lower area 6 that has an approximately box-shaped cross section, in which the hubs 7 and the box walls in the area of the hubs 7 to the piston center axis 8 are drawn in, and in which only the shaft wall sections lying in the region of the pressure side and the counter-pressure side have the shape of segments in a circle, the diameter of which corresponds to the piston diameter.
- the piston 1 has two elevations 9 and 10, which are arranged on both sides of a combustion chamber trough 11 formed in the piston head. So that the center of gravity of the piston 1 is not displaced too far upwards in the direction of the combustion chamber trough 11 by these elevations 9 and 10, when the piston 1 is cast in the combustion chamber troughs 9, 10 have cutouts 12 which are open towards the lower region 6 of the piston 1 and also have undercuts 13 formed in the region between the hubs 7 and the upper region 5, which are nose-shaped in cross section in the present exemplary embodiment and are each oriented toward the piston center axis 8 , but which can also have any other shape which is suitable for reducing the weight of the piston.
- the material saved here also shifts the center of gravity of the piston 1 in the direction of the hub 7.
- the mold for casting the piston 1 has a pivotable window insert 14 for each of the recesses 12 to be produced in the two elevations 9 and 10.
- a prefabricated salt molding 15 is applied to the window insert 14 before the piston 1 is cast, the shape of which is identical to the shape of the recess 12 including the undercut 13.
- the Salt molded part 15 is fastened on the window insert 14 in a rotationally secure manner via two conical projections 16 arranged on the window insert 14, onto which the salt molded part 15 is placed.
- the window insert 14 is shown in section in FIGS. 1 and 2, which is why only one of the two extensions 16 can be seen.
- the piston blank 1 is cast with the window insert 14 pivoted in and the salt molding 15 fastened thereon.
- the window insert 14 is pivoted clockwise together with the opening of the remaining casting mold, not shown in the figures, as shown in FIG. 2, the salt molding 15 detaching from the window insert 14 and remaining in the piston blank 1 in order to be subsequently washed out.
- FIG. 3 shows the piston blank 1 shown in FIG. 3, which has the cutouts 12 with the undercuts 13, these cutouts 12, as also shown in FIG. 4, being subdivided by ribs 17, 17 'which improve the dimensional stability of the walls 18 of the exaggerations 9 and 10 serve.
- This allows the walls 18 to be made very thin, in order thereby to achieve improved cooling of the upper region 5 of the piston 1 by spraying with cooling oil.
- the bottom view of the piston according to FIG. 4 shows the kidney-shaped configuration of the cutouts 12, 12 'with the undercuts 13, 13' shown in broken lines, which in the present exemplary embodiment are each divided by two ribs 17, 17 '.
- the shape and the arrangement of the ribs 17, 17 ' can be taken into account in a simple manner by a corresponding design of the salt molding 15.
- the shape of the salt molding 15 corresponds to the negative shape of the cutouts 12, 12 'and undercuts 13, 13' shown in the figures.
- Figures 1 and 2 show sectional views of the salt molding 15, which is formed in one piece and has cuts to form the ribs 17, 17 'shown in Figures 3 and 4, which correspond in shape and depth to the shape of the ribs 17 according to Figure 3 , and their arrangement corresponds to the arrangement of the ribs 17, 17 'according to Figure 4.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BRPI0411089-7A BRPI0411089B1 (pt) | 2003-06-07 | 2004-06-07 | Êmbolo para um motor de combustão interna e processo de fundição para sua fabricação |
EP04738605.7A EP1636473B2 (de) | 2003-06-07 | 2004-06-07 | Kolben für einen verbrennungsmotor und giessverfahren zu dessen herstellung |
US10/559,884 US7213562B2 (en) | 2003-06-07 | 2004-06-07 | Piston for a combustion engine and casting method for the production thereof |
JP2006515667A JP4741479B2 (ja) | 2003-06-07 | 2004-06-07 | 内燃機関のためのピストン及びピストンを作製するための鋳造法 |
KR1020057023488A KR101119174B1 (ko) | 2003-06-07 | 2004-06-07 | 내연기관용 피스톤 및 이의 제조를 위한 주조방법 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10325917.1 | 2003-06-07 | ||
DE10325917A DE10325917A1 (de) | 2003-06-07 | 2003-06-07 | Kolben für einen Verbrennungsmotor und Gießverfahren zu dessen Herstellung |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2004111419A1 true WO2004111419A1 (de) | 2004-12-23 |
WO2004111419B1 WO2004111419B1 (de) | 2005-04-07 |
Family
ID=33546538
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2004/001151 WO2004111419A1 (de) | 2003-06-07 | 2004-06-07 | Kolben für einen verbrennungsmotor und giessverfahren zu dessen herstellung |
Country Status (7)
Country | Link |
---|---|
US (1) | US7213562B2 (de) |
EP (1) | EP1636473B2 (de) |
JP (1) | JP4741479B2 (de) |
KR (1) | KR101119174B1 (de) |
BR (1) | BRPI0411089B1 (de) |
DE (1) | DE10325917A1 (de) |
WO (1) | WO2004111419A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014011440A3 (en) * | 2012-07-09 | 2014-04-03 | Federal-Mogul Corporation | Piston outer panel mold and method of constructing a piston and forming an undercut cooling gallery of a piston therewith |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080128946A1 (en) * | 2005-02-10 | 2008-06-05 | Boye David J | Mold assembly for lightweight pistons |
JP2006258013A (ja) * | 2005-03-18 | 2006-09-28 | Toyota Motor Corp | 内燃機関用のピストンおよびそのピストンを有する内燃機関 |
DE102010064078A1 (de) * | 2010-12-23 | 2012-06-28 | Federal-Mogul Nürnberg GmbH | Gießvorrichtung für einen Kolben für einen Verbrennungsmotor und Verfahren zum Öffnen und/oder Schließen einer Gießvorrichtung |
DE102011085448A1 (de) * | 2011-10-28 | 2013-05-02 | Ks Kolbenschmidt Gmbh | Kolben und Pleuel für eine Brennkraftmaschine |
DE102012203570A1 (de) * | 2012-03-07 | 2013-09-12 | Mahle International Gmbh | Gegossener Leichtmetallkolben, insbesondere ein Aluminiumkolben |
DE102012204480A1 (de) * | 2012-03-21 | 2013-09-26 | Mahle International Gmbh | Verfahren zur Herstellung eines gekühlten Ringträgers |
DE102013013962A1 (de) * | 2013-08-23 | 2015-02-26 | Mahle International Gmbh | Baueinheit aus einem Kolben und einer Anspritzdüse für einen Verbrennungsmotor |
US9662707B2 (en) * | 2013-09-27 | 2017-05-30 | Honda Foundry Co., Ltd. | Piston casting method and piston casting device |
KR101634788B1 (ko) * | 2015-09-04 | 2016-06-30 | 동양피스톤 주식회사 | 피스톤 제조용 에코 금형 장치와 피스톤 제조용 금형 장치 및 피스톤 제조 방법 |
KR101615274B1 (ko) * | 2015-09-04 | 2016-04-25 | 동양피스톤 주식회사 | 피스톤 제조용 에코 금형 장치와 피스톤 제조용 금형 장치 및 피스톤 제조 방법 |
KR101896806B1 (ko) | 2016-12-15 | 2018-09-07 | 현대자동차주식회사 | 인서트 링 용 알루미늄 합금, 이를 이용한 알루미늄 인서트 링 및 이를 이용한 피스톤 제조방법 |
SE543272C2 (en) | 2019-03-06 | 2020-11-10 | Husqvarna Ab | Engine piston, engine, hand-held tool, and method of manufacturing an engine piston |
CN111957899A (zh) * | 2020-07-13 | 2020-11-20 | 华域科尔本施密特活塞有限公司 | 一种活塞轻量化结构的制备方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0364810A2 (de) * | 1988-10-15 | 1990-04-25 | Wellworthy Limited | Kolben |
DE19922809A1 (de) | 1999-05-19 | 2000-11-23 | Mahle Gmbh | Verfahren zur Herstellung eines Kastenkolbens |
DE10003821A1 (de) * | 2000-01-28 | 2001-08-09 | Ks Kolbenschmidt Gmbh | Kolben, insbesondere ein Leichtmetallkolben für eine Brennkraftmaschine |
DE10142980A1 (de) * | 2001-09-01 | 2003-03-27 | Ks Kolbenschmidt Gmbh | Ringfeldhinterschnitt bei einem Kolben |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB617224A (en) | 1946-08-21 | 1949-02-02 | Harry Ralph Ricardo | Improvements in or relating to pistons |
GB1055737A (en) * | 1964-03-25 | 1967-01-18 | Wellworthy Ltd | Improvements in casting processes |
FR2079873A5 (de) | 1970-02-16 | 1971-11-12 | Semt | |
CS201273B1 (en) | 1978-06-22 | 1980-10-31 | Miroslav Novotny | Piston from the alloyed perlitic plastic cast iron for the ignition engines |
WO1980002308A1 (en) | 1979-04-23 | 1980-10-30 | Caterpillar Tractor Co | Oil cooled piston |
DE3338419A1 (de) | 1983-10-22 | 1985-05-02 | Mtu Motoren- Und Turbinen-Union Friedrichshafen Gmbh, 7990 Friedrichshafen | Kolben fuer eine hubkolbenbrennkraftmaschine |
GB8413800D0 (en) * | 1984-05-30 | 1984-07-04 | Ae Plc | Manufacture of pistons |
DE3424522A1 (de) | 1984-07-04 | 1986-01-16 | Oxytechnik Gesellschaft für Systemtechnik mbH, 6236 Eschborn | Rohrsilo |
JPS61157122A (ja) * | 1984-12-28 | 1986-07-16 | Hitachi Denshi Ltd | 変復調装置 |
JPS61157122U (de) * | 1985-03-20 | 1986-09-29 | ||
DE3721021A1 (de) * | 1986-06-27 | 1988-01-21 | Aisin Seiki | Verfahren zur herstellung eines brennkraftmaschinenkolbens |
DE3831285A1 (de) * | 1987-09-17 | 1989-04-06 | Aisin Seiki | Verfahren zur herstellung eines kolbens einer brennkraftmaschine |
JPH0442246A (ja) * | 1990-06-08 | 1992-02-12 | Toshiba Corp | 画像形成装置 |
JPH0442246U (de) * | 1990-08-09 | 1992-04-09 | ||
DE4434994C2 (de) | 1994-09-30 | 1998-02-19 | Porsche Ag | Kolben für Brennkraftmaschinen |
US5692430A (en) | 1995-06-08 | 1997-12-02 | Caterpillar Inc. | Articulated piston apparatus including a cooling gallery |
US5794582A (en) * | 1995-09-26 | 1998-08-18 | Isuzu Motors Ltd. | Connecting structure of piston and connecting rod |
JPH09151786A (ja) * | 1995-11-30 | 1997-06-10 | Aisin Seiki Co Ltd | 内燃機関用ピストンの製造方法 |
US5979298A (en) * | 1997-05-08 | 1999-11-09 | Zellner Pistons, Llc | Cooling gallery for pistons |
DE19747944A1 (de) | 1997-10-30 | 1999-05-06 | Mahle Gmbh | Kolben mit zentralem Kühlraum |
DE19926568A1 (de) * | 1999-06-11 | 2000-12-14 | Mahle Gmbh | Gekühlter Kolben für Verbrennungsmotoren |
FR2800142B1 (fr) * | 1999-09-29 | 2002-06-21 | Valeo | Appareil d'accouplement hydrocinetique comportant une roue libre perfectionnee de reacteur |
DE10013395C1 (de) | 2000-03-17 | 2001-08-02 | Ks Kolbenschmidt Gmbh | Verfahren zur Herstellung eines einteiligen Kühlkanalkolbens, insbesondere für einen Dieselmotor, sowie ein danach hergestellter einteiliger Kühlkanalkolben |
-
2003
- 2003-06-07 DE DE10325917A patent/DE10325917A1/de not_active Withdrawn
-
2004
- 2004-06-07 BR BRPI0411089-7A patent/BRPI0411089B1/pt not_active IP Right Cessation
- 2004-06-07 US US10/559,884 patent/US7213562B2/en not_active Expired - Lifetime
- 2004-06-07 EP EP04738605.7A patent/EP1636473B2/de not_active Expired - Lifetime
- 2004-06-07 KR KR1020057023488A patent/KR101119174B1/ko active IP Right Grant
- 2004-06-07 WO PCT/DE2004/001151 patent/WO2004111419A1/de active Application Filing
- 2004-06-07 JP JP2006515667A patent/JP4741479B2/ja not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0364810A2 (de) * | 1988-10-15 | 1990-04-25 | Wellworthy Limited | Kolben |
DE19922809A1 (de) | 1999-05-19 | 2000-11-23 | Mahle Gmbh | Verfahren zur Herstellung eines Kastenkolbens |
DE10003821A1 (de) * | 2000-01-28 | 2001-08-09 | Ks Kolbenschmidt Gmbh | Kolben, insbesondere ein Leichtmetallkolben für eine Brennkraftmaschine |
DE10142980A1 (de) * | 2001-09-01 | 2003-03-27 | Ks Kolbenschmidt Gmbh | Ringfeldhinterschnitt bei einem Kolben |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014011440A3 (en) * | 2012-07-09 | 2014-04-03 | Federal-Mogul Corporation | Piston outer panel mold and method of constructing a piston and forming an undercut cooling gallery of a piston therewith |
Also Published As
Publication number | Publication date |
---|---|
KR20060035615A (ko) | 2006-04-26 |
BRPI0411089B1 (pt) | 2015-07-28 |
BRPI0411089A (pt) | 2006-07-25 |
DE10325917A1 (de) | 2005-03-31 |
JP4741479B2 (ja) | 2011-08-03 |
EP1636473A1 (de) | 2006-03-22 |
JP2006527325A (ja) | 2006-11-30 |
WO2004111419B1 (de) | 2005-04-07 |
KR101119174B1 (ko) | 2012-02-21 |
EP1636473B1 (de) | 2012-12-19 |
US20060118076A1 (en) | 2006-06-08 |
EP1636473B2 (de) | 2016-03-16 |
US7213562B2 (en) | 2007-05-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1922479B1 (de) | Kolben für eine brennkraftmaschine | |
EP1636473A1 (de) | Kolben für einen verbrennungsmotor und giessverfahren zu dessen herstellung | |
DE102008031863A1 (de) | Einlegeteil für einen Kolben eines Verbrennungsmotors sowie mit dem Einlegeteil versehener Kolben oder Kolbenkopf | |
DE102008062219A1 (de) | Kolben für einen Verbrennungsmotor | |
EP1636474A2 (de) | Verfahren zur herstellung eines einteiligen kolbens für einen verbrennungsmotor | |
DE3613191C2 (de) | ||
DE69609693T2 (de) | Kolbenringpositionierungsvorrichtung und Kolbenstranggiessverfahren unter Verwendung dieser Vorrichtung | |
EP2288480B1 (de) | Form zur herstellung von betonformsteinen | |
DE3231998A1 (de) | Kolben mit einlage | |
DE102019104180A1 (de) | Einteiliger Speiserkörper zur Verwendung beim Gießen von Metallen | |
DE3707256C1 (en) | Core for the casting of grey cast iron cylinder blocks | |
DE10129046A1 (de) | Kolben für eine Brennkraftmaschine mit einem Eingußkörper | |
DE102008031864A1 (de) | Einlegteil für einen Kolben eines Verbrennungsmotors sowie mit dem Einlegeteil versehener Kolben oder Kolbenkopf | |
DE19744361A1 (de) | Kunststoff-Filter, insbesondere Kraftstoff-Filter | |
EP0690956A1 (de) | Verfahren zur herstellung eines deckels aus leichtmetallgu sowie deckel aus leichtmetallguss | |
DE2163632A1 (de) | Verfahren zur Herstellung von Olab streifringen | |
DE840905C (de) | Spritzgiessform | |
DE10142980A1 (de) | Ringfeldhinterschnitt bei einem Kolben | |
WO2015185547A1 (de) | Kolben und verfahren zu dessen herstellung | |
EP1954424B1 (de) | Einteiliger stahlkolben als feinguss-variante mit kern für die feingusstechnische herstellung eines kühlkanales | |
DE102014101083A1 (de) | Durch Gießen hergestellter Bremsträger | |
EP0652062B1 (de) | Kernkasten zur Erzeugung von Kernen für die Herstellung von Hohlkörpern | |
EP2165789B1 (de) | Verfahren zur Herstellung eines Kolbens einer Brennkraftmaschine mit einem mehrteiligen Kernschieber | |
WO2022179829A1 (de) | Druckgussform und verfahren zur nutzung und instandhaltung einer druckgussform | |
EP4268993A1 (de) | Einlagevorrichtung, vorrichtung und verfahren zur herstellung eines gussteils |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
DPEN | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed from 20040101) | ||
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
B | Later publication of amended claims |
Effective date: 20041214 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2006515667 Country of ref document: JP Ref document number: 1020057023488 Country of ref document: KR |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2004738605 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 2006118076 Country of ref document: US Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 10559884 Country of ref document: US |
|
WWP | Wipo information: published in national office |
Ref document number: 2004738605 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 1020057023488 Country of ref document: KR |
|
WWP | Wipo information: published in national office |
Ref document number: 10559884 Country of ref document: US |
|
ENP | Entry into the national phase |
Ref document number: PI0411089 Country of ref document: BR |