Process for making a tempered and/or curved glass plate with a reduced transmission
Abstract
Verfahren zum Herstellen einer vorgespannten und/oder gebogenen Glasscheibe aus Natron-Kalk-Silikatglas mit reduzierter Transmission in (einem) vorgebbaren Spektralbereich(en), insbesondere Sonnenschutzscheibe, bei dem auf wenigstens eine Seite eines Glasträgers (10) mindestens eine Metallschicht (12) mit einem überwiegenden Gehalt an einem Metall oder einer Metallegierung aus den Elementen mit den Ordnungszahlen 22 bis 28 des Periodischen Systems und auf deren dem Glasträger abgewandte Seite eine Schutzschicht (14) aus wenigstens einem Metalloxid oder Metallmischoxid aufgebracht werden und ein thermischer Vorspann- und/oder Biegeprozeß in Luft bei einer Temperatur von 580°C bis 680°C, vorzugsweise 600°C bis 650°C, durchgeführt wird, dadurch gekennzeichnet, daß sowohl die Metallschicht als auch die Schutzschicht vor dem thermischen Vorspann- und/oder Biegeprozeß auf den im wesentlichen planen Glasträger aufgebracht werden; und daß die Schutzschicht mit einem Sauerstoffdefizit x, bezogen auf ein Metallatom des Metalloxids bzw. der Metalloxide, von 0,05 ≦ x ≦ 0,4 und in einer Dicke von 10 nm bis 100 nm in einer derartigen Zusammensetzung aufgebracht wird, daß beim Vorspann- und/oder Biegeprozeß keine nennenswerte Sauerstoffdiffusion bis zu der Metallschicht stattfindet.

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Projected expiry passed 22 October 2006, 19.9 years ago.
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1 sheet
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Every citation, both ways
| Document | Relation | Office | Category | Cited during |
|---|---|---|---|---|
| DE2836943A1 | Cites | Germany | A | Search report |
| CH400714A | Cites | Switzerland | A | Search report |
| DE917347C | Cites | Germany | AD | Search report |
13 members in 7 offices
Priority claims12
| Document | Office | Kind | Date |
|---|---|---|---|
| 3539130 | Germany | A | |
| 3539130 | Germany | – | |
| 3542036 | Germany | A | |
| 3542036 | Germany | – | |
| 3544840 | Germany | A | |
| 3544840 | Germany | – | |
| 3539130 | – | – | – |
| 3542036 | – | – | – |
| 3544840 | – | – | – |
| DE19853539130 | – | – | – |
| DE19853542036 | – | – | – |
| DE19853544840 | – | – | – |
Members13
| Document | Office | Kind | |
|---|---|---|---|
| AU6490086A | Australia | A | |
| DE3544840A1 | Germany | A1 | |
| EP0224704A2 | European Patent Office (EPO) | A2 | |
| JPS62158139A | Japan | A | |
| ZA868390B | South Africa | B | |
| EP0224704A3This record | European Patent Office (EPO) | A3 | |
| US4715879A | United States of America | A | |
| AU582918B2 | Australia | B2 | |
| DE3544840C2 | Germany | C2 | |
| EP0224704B1 | European Patent Office (EPO) | B1 | |
| AT52488T | Austria | T | |
| ATE52488T1 | Austria | T1 | |
| DE3671004D1 | Germany | D1 |
41 legal events, as 3 offices reported them to INPADOC
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|---|---|---|---|
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
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| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
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| It: last paid annual feeITTA | ITTA | EP | |
| Patent ceasedCeasedPL | PL | CH | |
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| No opposition filed within time limitOppositionORIGINAL CODE: 0009261PLBE | PLBE | EP | |
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| Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents actLapsedNLV1 | NLV1 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Gb: translation of ep patent filed (gb section 77(6)(a)/1977)GBT | GBT | EP | |
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| Corresponds to:REF | REF | EP | |
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| 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 | |
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Numbers
- Publication
- 0224704
- Publication, DOCDB
- 0224704
- Publication, EPODOC
- EP0224704
- Application
- 86114605
- Application, DOCDB
- 86114605
- Application, EPODOC
- EP19860114605
Titles3
- English
- PROCESS FOR MAKING A TEMPERED AND/OR CURVED GLASS PLATE WITH A REDUCED TRANSMISSION
- French
- Procédé de fabrication d'une vitre trempée et/ou bombée avec une transmission réduite
- German
- Verfahren zum Herstellung einer vorgespannten und/oder gebogenen Glasscheibe mit reduzierter Transmission
Classification
- CPC, 8
- C03C17/3605
- C03C17/36
- C03C17/3613
- C03C17/3615
- C03C17/3618
- C03C17/3649
- C03C17/366
- C03C17/3681
- IPC, 1
- C03C17 36
Designated states13
- Contracting states, 13
- Austria
- Belgium
- Switzerland
- Germany
- Spain
- France
- United Kingdom
- Greece
- Italy
- Liechtenstein
- Luxembourg
- Netherlands (Kingdom of the)
- Sweden