DE69708613D1 - METHOD AND DEVICE FOR PRODUCING A MINERAL FIBER PANEL - Google Patents
METHOD AND DEVICE FOR PRODUCING A MINERAL FIBER PANELInfo
- Publication number
- DE69708613D1 DE69708613D1 DE69708613T DE69708613T DE69708613D1 DE 69708613 D1 DE69708613 D1 DE 69708613D1 DE 69708613 T DE69708613 T DE 69708613T DE 69708613 T DE69708613 T DE 69708613T DE 69708613 D1 DE69708613 D1 DE 69708613D1
- Authority
- DE
- Germany
- Prior art keywords
- fleece
- producing
- thickness
- mineral fiber
- fiber panel
- 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.)
- Revoked
Links
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/58—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
- D04H1/64—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions
- D04H1/645—Impregnation followed by a solidification process
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4209—Inorganic fibres
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4209—Inorganic fibres
- D04H1/4218—Glass fibres
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4209—Inorganic fibres
- D04H1/4218—Glass fibres
- D04H1/4226—Glass fibres characterised by the apparatus for manufacturing the glass fleece
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/58—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
- D04H1/593—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives to layered webs
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/58—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
- D04H1/64—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/58—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
- D04H1/64—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions
- D04H1/655—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions characterised by the apparatus for applying bonding agents
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
- D04H1/74—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being orientated, e.g. in parallel (anisotropic fleeces)
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H13/00—Other non-woven fabrics
Abstract
Process for producing mineral fibreboard comprises a fleece of greater than twice the finished product thickness (2 t) being compressed (17) to a first thickness of 0.8-1.5 (preferably 0.9-1.3) t without longitudinal compression to a weight per unit area of W. The fleece is then longitudinally compressed by roller systems (30,32) without pleating to a unit weight of 2-10 W and a thickness of 1-1.3 and preferably 1-1.1 t. The fleece is then tightly held and fed to a bonding oven (25).
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH00768/96A CH691816A5 (en) | 1996-03-25 | 1996-03-25 | Process and apparatus for producing mineral fibreboard |
CH216796 | 1996-09-02 | ||
CH02169/96A CH691960A5 (en) | 1996-09-02 | 1996-09-02 | Process and apparatus for producing mineral fibreboard |
PCT/EP1997/001490 WO1997036035A1 (en) | 1996-03-25 | 1997-03-24 | Process and apparatus for the production of a mineral fibreboard |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69708613D1 true DE69708613D1 (en) | 2002-01-10 |
DE69708613T2 DE69708613T2 (en) | 2002-08-01 |
Family
ID=27172403
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69738694T Expired - Lifetime DE69738694D1 (en) | 1996-03-25 | 1997-03-24 | Method and device for producing a mineral fiber board |
DE69708613T Revoked DE69708613T2 (en) | 1996-03-25 | 1997-03-24 | METHOD AND DEVICE FOR PRODUCING A MINERAL FIBER PANEL |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69738694T Expired - Lifetime DE69738694D1 (en) | 1996-03-25 | 1997-03-24 | Method and device for producing a mineral fiber board |
Country Status (14)
Country | Link |
---|---|
EP (3) | EP0889981B1 (en) |
AT (2) | ATE395452T1 (en) |
AU (1) | AU2159897A (en) |
BA (1) | BA98344A (en) |
CZ (2) | CZ291481B6 (en) |
DE (2) | DE69738694D1 (en) |
DK (1) | DK1111113T3 (en) |
EA (1) | EA000493B1 (en) |
ES (2) | ES2166530T3 (en) |
HU (2) | HU223013B1 (en) |
PL (2) | PL184688B1 (en) |
SI (2) | SI0889981T1 (en) |
SK (2) | SK283915B6 (en) |
WO (1) | WO1997036035A1 (en) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2166530T3 (en) | 1996-03-25 | 2002-04-16 | Rockwool Int | PROCEDURE AND APPLIANCE FOR THE PRODUCTION OF A MINERAL FIBER BOARD. |
DE19860040A1 (en) * | 1998-12-23 | 2000-06-29 | Gruenzweig & Hartmann | Process for the production of mineral wool products bound with binder, device for carrying them out, mineral wool product produced thereby and composite mineral wool product produced thereby and use of these products |
WO2003018933A1 (en) * | 2001-08-23 | 2003-03-06 | Deutsche Rockwool Mineralwoll Gmbh & Co. Ohg | Method for the production of an absorber element from mineral wool |
DK1456444T4 (en) † | 2001-12-21 | 2014-03-03 | Rockwool Int | MINERAL FIBER MEASURES AND THEIR PREPARATION |
ES2334649T3 (en) * | 2001-12-21 | 2010-03-15 | Rockwool International A/S | NAPES OF MINERAL FIBERS. |
DE10257977A1 (en) * | 2002-12-12 | 2004-07-01 | Rheinhold & Mahla Ag | Space limiting panel |
FR2854626B1 (en) * | 2003-05-07 | 2006-12-15 | Saint Gobain Isover | MINERAL FIBER-BASED PRODUCT AND FIBER OBTAINING DEVICE |
CA2541440C (en) | 2003-10-06 | 2012-04-10 | Saint-Gobain Isover | Fire protection gate and correlated fire protection inset |
DE10359902A1 (en) * | 2003-12-19 | 2005-07-21 | Saint-Gobain Isover G+H Ag | Manufacture of web of mineral wool, e.g. for heat insulation, involves opening a primary web and recombining it to form the final web |
PL1743076T3 (en) | 2004-04-02 | 2013-04-30 | Rockwool Int | Acoustic elements and their production |
EP1645698A1 (en) | 2004-10-05 | 2006-04-12 | Rockwool International A/S | A roof structure |
EP1826335A1 (en) | 2006-02-28 | 2007-08-29 | Rockwool International A/S | Insulated façade system |
EP2100992A1 (en) * | 2008-03-12 | 2009-09-16 | Paroc Oy Ab | Method and arrangement for improving the runnability of a continuous mineral fibre web |
EP2180104A1 (en) | 2008-10-21 | 2010-04-28 | Rockwool International A/S | Facade insulation system |
EP2281961A1 (en) | 2009-06-25 | 2011-02-09 | Knauf Insulation Technology GmbH | Aerogel containing composite materials |
US20130140481A1 (en) | 2010-07-23 | 2013-06-06 | Lars Naerum | Bonded mineral fibre product having high fire and punking resistance |
BR112013013409A2 (en) | 2010-12-06 | 2016-09-06 | Rockwool Int | "method of reducing formaldehyde emission from a mineral fiber product, and reduced formaldehyde emission mineral fiber product" |
WO2012156483A1 (en) | 2011-05-17 | 2012-11-22 | Rockwool International A/S | Growth substrate products and their use |
ES2864599T3 (en) * | 2011-09-30 | 2021-10-14 | Owens Corning Intellectual Capital Llc | Method of forming a mesh from fibrous materials |
GB201121252D0 (en) * | 2011-12-12 | 2012-01-18 | Knauf Insulation Doo Skofa Loka | Mineral wool panel |
CN102677446A (en) * | 2012-05-14 | 2012-09-19 | 陈浩 | Rock/mineral wool pleating device |
SI2931955T1 (en) | 2012-12-11 | 2017-04-26 | Rockwool International A/S | A method of forming a cured mineral fibre product |
RU2701425C2 (en) * | 2015-02-16 | 2019-09-26 | Роквул Интернэшнл А/С | Method of compressing web of artificial vitreous fibres |
EP3564423B2 (en) | 2018-04-30 | 2023-07-12 | Betek Boya ve Kimya Sanayi A.S. | Process for the manufacture of mineral wool panels made of two or more layers having different densities |
CN114836904B (en) * | 2022-04-26 | 2023-11-03 | 大连华阳新材料科技股份有限公司 | System for automatically adjusting uniformity of two sides of formed web and adjusting method thereof |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1635620A1 (en) | 1966-09-16 | 1971-03-25 | Reichhold Albert Chemie Ag | Improved continuously produced fibrous sheet from natural, synthetic and / or mineral fibers and processes for their production |
CA1057183A (en) * | 1976-05-06 | 1979-06-26 | Malcolm J. Stagg | Method and apparatus for producing multiple density fibrous product |
FR2548695B1 (en) | 1983-07-07 | 1986-06-20 | Saint Gobain Isover | FORMATION OF FELTS WITH ISOTROPIC STRUCTURE |
CA1340751C (en) | 1984-07-03 | 1999-09-21 | William T. Fletcher | Apparatus for producing reoriented glass fibre material |
DK155163B (en) * | 1986-06-30 | 1989-02-20 | Rockwool Int | PROCEDURE FOR CONTINUOUS PRODUCTION OF MINERAL WOOLS |
DE3701592A1 (en) * | 1987-01-21 | 1988-08-04 | Rockwool Mineralwolle | METHOD FOR CONTINUOUSLY PRODUCING A FIBER INSULATION SHEET AND DEVICE FOR IMPLEMENTING THE METHOD |
CA2032229C (en) * | 1989-12-19 | 2001-10-16 | Paolo Baracchini | Thermal insulating mat made of radom oriented mineral fibres |
FI85034C (en) | 1990-03-26 | 1992-02-25 | Partek Ab | Method and apparatus for treating a mineral fiber web |
DK165926B (en) * | 1990-12-07 | 1993-02-08 | Rockwool Int | PROCEDURE FOR THE MANUFACTURE OF INSULATION PLATES COMPOSED BY INVOLVED CONNECTED STABLE MINERAL FIBER ELEMENTS |
AU1166792A (en) | 1991-01-28 | 1992-08-27 | Rockwool International A/S | Process for the manufacture of mineral-fibre plates capable of acting as plaster substrates, a device for carrying out the process, and mineral-fibre plate manufactured by the process |
DE9117005U1 (en) * | 1991-02-01 | 1995-02-02 | Heraklith Baustoffe Ag | Mineral fiber board and device for its manufacture |
DK3593D0 (en) * | 1993-01-14 | 1993-01-14 | Rockwool Int | A METHOD FOR PRODUCING A MINERAL FIBER INSULATING WEB, A PLANT FOR PRODUCING A MINERAL FIBER INSULATING WEB, AND A MINERAL FIBER INSULATED PLATE |
DK3793D0 (en) | 1993-01-14 | 1993-01-14 | Rockwool Int | A METHOD OF PRODUCING A MINERAL FIBER INSULATING WEB A PLANT FOR PRODUCING A MINERAL WEB, AND A MINERAL FIBER INSULATED PLATE |
ES2166530T3 (en) | 1996-03-25 | 2002-04-16 | Rockwool Int | PROCEDURE AND APPLIANCE FOR THE PRODUCTION OF A MINERAL FIBER BOARD. |
-
1997
- 1997-03-24 ES ES97914299T patent/ES2166530T3/en not_active Expired - Lifetime
- 1997-03-24 AU AU21598/97A patent/AU2159897A/en not_active Abandoned
- 1997-03-24 EP EP97914299A patent/EP0889981B1/en not_active Revoked
- 1997-03-24 ES ES01102183T patent/ES2306679T3/en not_active Expired - Lifetime
- 1997-03-24 AT AT01102183T patent/ATE395452T1/en active
- 1997-03-24 HU HU0001326A patent/HU223013B1/en not_active IP Right Cessation
- 1997-03-24 SI SI9730262T patent/SI0889981T1/en unknown
- 1997-03-24 EA EA199800855A patent/EA000493B1/en not_active IP Right Cessation
- 1997-03-24 EP EP01102183A patent/EP1111113B1/en not_active Expired - Lifetime
- 1997-03-24 CZ CZ19983024A patent/CZ291481B6/en not_active IP Right Cessation
- 1997-03-24 AT AT97914299T patent/ATE209715T1/en not_active IP Right Cessation
- 1997-03-24 PL PL97329169A patent/PL184688B1/en not_active IP Right Cessation
- 1997-03-24 DE DE69738694T patent/DE69738694D1/en not_active Expired - Lifetime
- 1997-03-24 DE DE69708613T patent/DE69708613T2/en not_active Revoked
- 1997-03-24 EP EP08007764A patent/EP1942217A3/en not_active Withdrawn
- 1997-03-24 HU HU0200479A patent/HU225208B1/en not_active IP Right Cessation
- 1997-03-24 SI SI9730780T patent/SI1111113T1/en unknown
- 1997-03-24 WO PCT/EP1997/001490 patent/WO1997036035A1/en not_active Application Discontinuation
- 1997-03-24 SK SK1279-98A patent/SK283915B6/en not_active IP Right Cessation
- 1997-03-24 PL PL97351584A patent/PL186337B1/en unknown
- 1997-03-24 SK SK1286-2001A patent/SK286867B6/en not_active IP Right Cessation
- 1997-03-24 DK DK01102183T patent/DK1111113T3/en active
-
1998
- 1998-09-18 BA BA980344A patent/BA98344A/en unknown
-
2001
- 2001-08-15 CZ CZ20012961A patent/CZ291473B6/en not_active IP Right Cessation
Also Published As
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8363 | Opposition against the patent | ||
8331 | Complete revocation |