DE3490432C2 - - Google Patents
Info
- Publication number
- DE3490432C2 DE3490432C2 DE3490432A DE3490432A DE3490432C2 DE 3490432 C2 DE3490432 C2 DE 3490432C2 DE 3490432 A DE3490432 A DE 3490432A DE 3490432 A DE3490432 A DE 3490432A DE 3490432 C2 DE3490432 C2 DE 3490432C2
- Authority
- DE
- Germany
- Prior art keywords
- protection switch
- overheating protection
- radiation
- heat
- metal
- 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.)
- Expired - Fee Related
Links
- 238000013021 overheating Methods 0.000 claims description 45
- 230000005855 radiation Effects 0.000 claims description 32
- 229910052751 metal Inorganic materials 0.000 claims description 28
- 239000002184 metal Substances 0.000 claims description 28
- 239000000463 material Substances 0.000 claims description 24
- 239000002245 particle Substances 0.000 claims description 15
- 230000004888 barrier function Effects 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 10
- 239000011521 glass Substances 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 6
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 6
- 239000010931 gold Substances 0.000 claims description 6
- 229910052737 gold Inorganic materials 0.000 claims description 6
- 229910044991 metal oxide Inorganic materials 0.000 claims description 6
- 150000004706 metal oxides Chemical class 0.000 claims description 6
- 239000000395 magnesium oxide Substances 0.000 claims description 5
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 5
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 5
- 239000011236 particulate material Substances 0.000 claims description 5
- 230000000737 periodic effect Effects 0.000 claims description 5
- 239000000377 silicon dioxide Substances 0.000 claims description 5
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 5
- 229910001887 tin oxide Inorganic materials 0.000 claims description 5
- 239000004408 titanium dioxide Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 235000012239 silicon dioxide Nutrition 0.000 claims description 4
- 239000011230 binding agent Substances 0.000 claims description 2
- 238000010304 firing Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 239000002241 glass-ceramic Substances 0.000 description 14
- 238000010438 heat treatment Methods 0.000 description 13
- 238000010411 cooking Methods 0.000 description 7
- 239000011810 insulating material Substances 0.000 description 7
- 239000000919 ceramic Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005054 agglomeration Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 238000002845 discoloration Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 238000001354 calcination Methods 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 229910021472 group 8 element Inorganic materials 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 1
- 239000000391 magnesium silicate Substances 0.000 description 1
- 229910052919 magnesium silicate Inorganic materials 0.000 description 1
- 235000019792 magnesium silicate Nutrition 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0202—Switches
- H05B1/0216—Switches actuated by the expansion of a solid element, e.g. wire or rod
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/02—Details
- H01H37/32—Thermally-sensitive members
- H01H37/46—Thermally-sensitive members actuated due to expansion or contraction of a solid
- H01H37/48—Thermally-sensitive members actuated due to expansion or contraction of a solid with extensible rigid rods or tubes
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/68—Heating arrangements specially adapted for cooking plates or analogous hot-plates
- H05B3/74—Non-metallic plates, e.g. vitroceramic, ceramic or glassceramic hobs, also including power or control circuits
- H05B3/746—Protection, e.g. overheat cutoff, hot plate indicator
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/02—Details
- H01H37/32—Thermally-sensitive members
- H01H2037/326—Thermally-sensitive members with radiative heat transfer to the switch, e.g. special absorption surfaces
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2213/00—Aspects relating both to resistive heating and to induction heating, covered by H05B3/00 and H05B6/00
- H05B2213/04—Heating plates with overheat protection means
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Resistance Heating (AREA)
- Thermally Actuated Switches (AREA)
- Electric Stoves And Ranges (AREA)
- Compositions Of Oxide Ceramics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB838324271A GB8324271D0 (en) | 1983-09-10 | 1983-09-10 | Thermal cut-out device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE3490432C2 true DE3490432C2 (enExample) | 1993-08-19 |
Family
ID=10548593
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE8490143U Expired DE8490143U1 (de) | 1983-09-10 | 1984-09-07 | Überhitzungsschutzschalter für Strahlungsheizer |
| DE3490432A Expired - Fee Related DE3490432C2 (enExample) | 1983-09-10 | 1984-09-07 | |
| DE19843490432 Pending DE3490432T (de) | 1983-09-10 | 1984-09-07 | Überhitzungsschutzschalter für Strahlungsheizer |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE8490143U Expired DE8490143U1 (de) | 1983-09-10 | 1984-09-07 | Überhitzungsschutzschalter für Strahlungsheizer |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19843490432 Pending DE3490432T (de) | 1983-09-10 | 1984-09-07 | Überhitzungsschutzschalter für Strahlungsheizer |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4665307A (enExample) |
| AT (1) | AT398013B (enExample) |
| DE (3) | DE8490143U1 (enExample) |
| GB (3) | GB8324271D0 (enExample) |
| WO (1) | WO1985001412A1 (enExample) |
Families Citing this family (38)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IE55689B1 (en) * | 1983-12-01 | 1990-12-19 | Thorn Emi Patents Ltd | Thermal limiter |
| GB2164150A (en) * | 1984-09-07 | 1986-03-12 | Emerson Electric Co | Temperature responsive actuating elements |
| AT381784B (de) * | 1985-02-27 | 1986-11-25 | Electrovac | Vorrichtung zum regeln oder begrenzen der temperatur von strahlungs- oder kontaktheizkoerpern |
| USD313466S (en) | 1985-06-11 | 1991-01-01 | Micropore International Ltd. | Infra-red heater |
| GB8514785D0 (en) * | 1985-06-11 | 1985-07-10 | Micropore International Ltd | Infra-red heaters |
| DE3536981A1 (de) * | 1985-10-17 | 1987-04-23 | Ako Werke Gmbh & Co | Ueberhitzungsschutzschalter einer strahlungsbeheizung |
| DE8706277U1 (de) * | 1987-05-01 | 1987-06-25 | E.G.O. Elektro-Geräte Blanc u. Fischer, 7519 Oberderdingen | Elektrischer Strahlungsheizkörper zur Beheizung einer Platte, insbesondere einer Glaskeramikplatte |
| USD312126S (en) | 1988-02-10 | 1990-11-13 | Redring Electric Limited | Electric heater element for use in a radiant heater for a glass ceramic hob |
| US5177339A (en) * | 1988-05-27 | 1993-01-05 | Ceramaspeed Limited | Radiant electric heaters |
| ATE107832T1 (de) * | 1988-05-27 | 1994-07-15 | Ceramaspeed Ltd | Elektrisches strahlungsheizgerät. |
| ATE118144T1 (de) * | 1988-06-25 | 1995-02-15 | Ego Elektro Blanc & Fischer | Temperaturschalter. |
| DE3929965A1 (de) * | 1989-09-08 | 1991-03-14 | Ego Elektro Blanc & Fischer | Temperaturschalter |
| GB2260442B (en) * | 1991-10-09 | 1995-06-07 | Ceramaspeed Ltd | Radiant heater incorporating a temperature control device |
| DE9113992U1 (de) * | 1991-11-12 | 1992-01-02 | E.G.O. Elektro-Geräte Blanc u. Fischer, 7519 Oberderdingen | Strahlungs-Heizeinheit |
| US20100277531A1 (en) * | 1997-07-15 | 2010-11-04 | Silverbrook Research Pty Ltd | Printer having processor for high volume printing |
| US7337532B2 (en) | 1997-07-15 | 2008-03-04 | Silverbrook Research Pty Ltd | Method of manufacturing micro-electromechanical device having motion-transmitting structure |
| US6712453B2 (en) | 1997-07-15 | 2004-03-30 | Silverbrook Research Pty Ltd. | Ink jet nozzle rim |
| US6557977B1 (en) * | 1997-07-15 | 2003-05-06 | Silverbrook Research Pty Ltd | Shape memory alloy ink jet printing mechanism |
| US7468139B2 (en) | 1997-07-15 | 2008-12-23 | Silverbrook Research Pty Ltd | Method of depositing heater material over a photoresist scaffold |
| US6188415B1 (en) | 1997-07-15 | 2001-02-13 | Silverbrook Research Pty Ltd | Ink jet printer having a thermal actuator comprising an external coil spring |
| AUPO804297A0 (en) * | 1997-07-15 | 1997-08-07 | Silverbrook Research Pty Ltd | Image creation method and apparatus (IJ29) |
| US6648453B2 (en) | 1997-07-15 | 2003-11-18 | Silverbrook Research Pty Ltd | Ink jet printhead chip with predetermined micro-electromechanical systems height |
| US7465030B2 (en) | 1997-07-15 | 2008-12-16 | Silverbrook Research Pty Ltd | Nozzle arrangement with a magnetic field generator |
| US7195339B2 (en) | 1997-07-15 | 2007-03-27 | Silverbrook Research Pty Ltd | Ink jet nozzle assembly with a thermal bend actuator |
| US7556356B1 (en) | 1997-07-15 | 2009-07-07 | Silverbrook Research Pty Ltd | Inkjet printhead integrated circuit with ink spread prevention |
| US6935724B2 (en) | 1997-07-15 | 2005-08-30 | Silverbrook Research Pty Ltd | Ink jet nozzle having actuator with anchor positioned between nozzle chamber and actuator connection point |
| AUPP398798A0 (en) * | 1998-06-09 | 1998-07-02 | Silverbrook Research Pty Ltd | Image creation method and apparatus (ij43) |
| US6682174B2 (en) | 1998-03-25 | 2004-01-27 | Silverbrook Research Pty Ltd | Ink jet nozzle arrangement configuration |
| US6959982B2 (en) * | 1998-06-09 | 2005-11-01 | Silverbrook Research Pty Ltd | Flexible wall driven inkjet printhead nozzle |
| DE19846513A1 (de) * | 1998-10-09 | 2000-04-13 | Ego Elektro Geraetebau Gmbh | Schalteinrichtung für eine elektrische Heizeinrichtung |
| DE20019210U1 (de) * | 2000-11-11 | 2001-01-25 | Schott Glas, 55122 Mainz | Kochfeld |
| AT412521B (de) * | 2003-03-10 | 2005-03-25 | Electrovac | Temperaturfühler |
| US20080276416A1 (en) * | 2007-05-08 | 2008-11-13 | Husqvarna Outdoor Products Inc. | Tube barrier |
| WO2009120859A1 (en) * | 2008-03-26 | 2009-10-01 | Gt Solar, Inc. | Gold-coated polysilicon reactor system and method |
| DE102009038960A1 (de) * | 2009-08-19 | 2011-02-24 | E.G.O. Elektro-Gerätebau GmbH | Temperaturfühler und Verfahren zur Justierung eines solchen Temperaturfühlers |
| US11015244B2 (en) | 2013-12-30 | 2021-05-25 | Advanced Material Solutions, Llc | Radiation shielding for a CVD reactor |
| US10317289B2 (en) | 2014-09-10 | 2019-06-11 | Rockwell Automation Technologies, Inc. | Thermal well for transformer and methods |
| DE102018213625A1 (de) * | 2018-08-13 | 2020-02-13 | Siemens Aktiengesellschaft | Schaltanlagentemperaturmessung |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2890311A (en) * | 1956-10-31 | 1959-06-09 | Dictograph Products Co Inc | Thermal sensing unit |
| DE1093163B (de) * | 1952-10-29 | 1960-11-17 | Libbey Owens Ford Glass Co | Verfahren zum Herstellen durchsichtiger und elektrisch leitender UEberzuege durch Vakuumbedampfen |
| DE1102865B (de) * | 1956-09-11 | 1961-03-23 | Siemens Ag | Klein-Thermoschalter |
| US3624352A (en) * | 1970-09-22 | 1971-11-30 | Gen Motors Corp | Ceramic top range surface temperature cut-off thermostatic device |
| US3732518A (en) * | 1972-07-13 | 1973-05-08 | Therm O Disc Inc | Thermostat with multi-position sensing element |
| DE2164162A1 (de) * | 1971-12-23 | 1973-06-28 | Maurice Scholtes | Elektrokochgeraet |
| DE2422625B2 (de) * | 1974-05-10 | 1977-02-24 | Fischer, Karl, 7519 Oberderdingen | Temperaturbegrenzer |
| GB1516141A (en) * | 1974-05-10 | 1978-06-28 | Fischer K | Electric cooking plates |
| DE2839161A1 (de) * | 1978-09-08 | 1980-03-20 | Ego Regeltech | Temperaturbegrenzer fuer eine glaskeramik-kocheinheit |
| DE3100758A1 (de) * | 1981-01-13 | 1982-09-02 | Ako Werke Gmbh & Co | Schalteinrichtung |
| EP0117346A2 (en) * | 1982-12-24 | 1984-09-05 | THORN EMI Patents Limited | Heating apparatus |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE735491C (de) * | 1937-10-14 | 1943-05-15 | Theodor Stiebel Dipl Ing Dr | Temperaturregler elektrisch beheizter Heisswasserspeicher |
| US2626755A (en) * | 1947-06-24 | 1953-01-27 | Bell & Gossett Co | Heating system with outdoor control |
| GB664505A (en) * | 1948-09-15 | 1952-01-09 | Regwell Ltd | Improvements in or relating to safety devices for gas burners |
| CH272598A (de) * | 1948-12-09 | 1950-12-31 | Ag Accum | Für Boiler bestimmter Temperaturregler mit Temperaturfühler. |
| US2559372A (en) * | 1948-12-10 | 1951-07-03 | Howard A Rike | Thermostatic switch |
| US3628329A (en) * | 1970-02-24 | 1971-12-21 | Gen Electric | Gas turbine engine inlet guide vane actuator with automatic reset |
| US3710076A (en) * | 1972-02-17 | 1973-01-09 | J Frazier | Radiant surface-heater and temperature sensing assembly |
| US3883719A (en) * | 1974-05-10 | 1975-05-13 | Gen Electric | Glass-ceramic cooktop with film heaters |
| FR2522119B1 (fr) * | 1977-07-02 | 1989-01-13 | Fischer Karl | Procede pour fabriquer une unite de chauffage par radiation, et unite de chauffage par radiation |
| DE7826549U1 (de) * | 1978-09-07 | 1978-12-14 | E.G.O. Elektro-Geraete Blanc U. Fischer, 7519 Oberderdingen | Temperaturbegrenzer fuer gasbeheizte glaskeramik-kochflaechen |
| GB2069300B (en) * | 1980-02-01 | 1983-09-01 | Mictropore International Ltd | Radiant heating elements for smooth top cookers |
| DE3163458D1 (en) * | 1980-03-05 | 1984-06-14 | Kenwood Mfg Co Ltd | Cooking apparatus |
| US4400679A (en) * | 1981-09-21 | 1983-08-23 | Therm-O-Disc, Incorporated | Snap acting switch for thermostats |
| DE3302489A1 (de) * | 1983-01-26 | 1984-07-26 | Ego Elektro Blanc & Fischer | Elektrischer strahlheizkoerper zur beheizung von koch- oder waermeplatten, insbesondere glaskeramikplatten |
-
1983
- 1983-09-10 GB GB838324271A patent/GB8324271D0/en active Pending
-
1984
- 1984-09-07 US US06/732,758 patent/US4665307A/en not_active Expired - Lifetime
- 1984-09-07 DE DE8490143U patent/DE8490143U1/de not_active Expired
- 1984-09-07 DE DE3490432A patent/DE3490432C2/de not_active Expired - Fee Related
- 1984-09-07 WO PCT/GB1984/000308 patent/WO1985001412A1/en not_active Ceased
- 1984-09-07 DE DE19843490432 patent/DE3490432T/de active Pending
- 1984-09-07 GB GB08422674A patent/GB2146431B/en not_active Expired
- 1984-09-07 AT AT0903084A patent/AT398013B/de not_active IP Right Cessation
-
1987
- 1987-05-19 GB GB878711773A patent/GB8711773D0/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1093163B (de) * | 1952-10-29 | 1960-11-17 | Libbey Owens Ford Glass Co | Verfahren zum Herstellen durchsichtiger und elektrisch leitender UEberzuege durch Vakuumbedampfen |
| DE1102865B (de) * | 1956-09-11 | 1961-03-23 | Siemens Ag | Klein-Thermoschalter |
| US2890311A (en) * | 1956-10-31 | 1959-06-09 | Dictograph Products Co Inc | Thermal sensing unit |
| US3624352A (en) * | 1970-09-22 | 1971-11-30 | Gen Motors Corp | Ceramic top range surface temperature cut-off thermostatic device |
| DE2164162A1 (de) * | 1971-12-23 | 1973-06-28 | Maurice Scholtes | Elektrokochgeraet |
| US3732518A (en) * | 1972-07-13 | 1973-05-08 | Therm O Disc Inc | Thermostat with multi-position sensing element |
| DE2422625B2 (de) * | 1974-05-10 | 1977-02-24 | Fischer, Karl, 7519 Oberderdingen | Temperaturbegrenzer |
| GB1516141A (en) * | 1974-05-10 | 1978-06-28 | Fischer K | Electric cooking plates |
| DE2839161A1 (de) * | 1978-09-08 | 1980-03-20 | Ego Regeltech | Temperaturbegrenzer fuer eine glaskeramik-kocheinheit |
| DE3100758A1 (de) * | 1981-01-13 | 1982-09-02 | Ako Werke Gmbh & Co | Schalteinrichtung |
| EP0117346A2 (en) * | 1982-12-24 | 1984-09-05 | THORN EMI Patents Limited | Heating apparatus |
| EP0149267A2 (en) * | 1982-12-24 | 1985-07-24 | THORN EMI Patents Limited | Heating apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3490432T (de) | 1985-12-12 |
| WO1985001412A1 (en) | 1985-03-28 |
| GB8324271D0 (en) | 1983-10-12 |
| US4665307A (en) | 1987-05-12 |
| GB8422674D0 (en) | 1984-10-10 |
| GB2146431B (en) | 1988-09-07 |
| AT398013B (de) | 1994-08-25 |
| GB8711773D0 (en) | 1987-06-24 |
| ATA903084A (de) | 1991-01-15 |
| DE8490143U1 (de) | 1988-07-07 |
| GB2146431A (en) | 1985-04-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8363 | Opposition against the patent | ||
| 8366 | Restricted maintained after opposition proceedings | ||
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