EP1648199A1 - Elément chauffant avec conductivité thermique améliorée - Google Patents
Elément chauffant avec conductivité thermique améliorée Download PDFInfo
- Publication number
- EP1648199A1 EP1648199A1 EP04024777A EP04024777A EP1648199A1 EP 1648199 A1 EP1648199 A1 EP 1648199A1 EP 04024777 A EP04024777 A EP 04024777A EP 04024777 A EP04024777 A EP 04024777A EP 1648199 A1 EP1648199 A1 EP 1648199A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heating
- carrier
- conductor
- heating element
- element according
- 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.)
- Withdrawn
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 149
- 239000011888 foil Substances 0.000 claims abstract description 37
- 239000004020 conductor Substances 0.000 claims description 96
- 238000000034 method Methods 0.000 claims description 27
- 238000005485 electric heating Methods 0.000 claims description 18
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 claims 2
- 238000000059 patterning Methods 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 238000005520 cutting process Methods 0.000 description 4
- 238000013021 overheating Methods 0.000 description 4
- 238000004080 punching Methods 0.000 description 4
- 238000005530 etching Methods 0.000 description 3
- 238000003698 laser cutting Methods 0.000 description 3
- 238000005476 soldering Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000012876 carrier material Substances 0.000 description 2
- PBKYWJHTOHRLDS-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni].[Ni] PBKYWJHTOHRLDS-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010292 electrical insulation Methods 0.000 description 2
- 239000012777 electrically insulating material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 235000000396 iron Nutrition 0.000 description 2
- 239000010445 mica Substances 0.000 description 2
- 229910052618 mica group Inorganic materials 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000010409 ironing Methods 0.000 description 1
- 229910000953 kanthal Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Images
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
- H05B3/00—Ohmic-resistance heating
- H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
- H05B3/22—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
- H05B3/26—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor mounted on insulating base
- H05B3/265—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor mounted on insulating base the insulating base being an inorganic material, e.g. ceramic
-
- 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
- H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/16—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor the conductor being mounted on an insulating base
-
- 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
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/002—Heaters using a particular layout for the resistive material or resistive elements
- H05B2203/003—Heaters using a particular layout for the resistive material or resistive elements using serpentine layout
Definitions
- the present invention relates to an electric heating element with a heating conductor, which is traversed by an electric current during heating, and with an electrically insulating support, which is mechanically connected to the heating conductor.
- the heating element is applied to at least two surfaces of the carrier.
- the present invention relates to a method for producing such a heating element.
- planar electrical heating elements are used in the most diverse areas of industrial technology: in irons, ironing machines, kettles, plastic molds and soldering iron as well as welding elements, for example in strip welding machines.
- the heating element is required to weld strips of plastic in an overlapping manner in a matter of seconds.
- the two ends of the strip are simultaneously heated with the aid of the heating element and melted on the later contact surfaces.
- the heating element is pulled out and the two ends of the band are pressed together.
- the heating element must be small and flat and have a high power density. Furthermore, it should have sufficient long-term stability and be produced in the most cost-effective and simple manner possible.
- a heating conductor usually a round wire or flat wire
- an insulating support plate usually micanite
- the ends being passed through a bore and contacted by means of a crimp connection.
- a heating conductor usually a round wire or flat wire
- an insulating support plate usually micanite
- the object underlying the present invention is therefore to provide an improved heating element in which, especially for applications requiring higher power densities, the heat transfer to the outside improves and the reliability can thus be increased, wherein the heating element continues to be particularly cost-effective and easy to produce.
- the present invention is based on the idea that the use of a structured heating conductor foil as heating conductor can overcome the disadvantages typical of a winding technique.
- the use of a planar film allows consistently very low heights and a flat concern of the heating element both to the carrier as well as to external housing materials.
- Such Schuleiterfolien can be designed arbitrarily and z. B. be kept wider at places with disabled heat dissipation.
- the film can be structured by punching, laser cutting, water jet cutting, eroding or etching.
- the Schuleiterfolie may consist of any Schuleiter- or resistance alloys.
- the heating conductor foils are structured in such a way that a continuous conductor track with at least one heating region and a first and second connection region is formed, then the required electrical functionality can be realized in a particularly simple manner and it can be achieved, for example, that both connection regions are as close as possible are together, which greatly simplifies the connection technique.
- the width of the conductor track in the heating regions differs from the width of the conductor tracks in the connection regions. If, for example, a greater width is selected in the connection areas, then the widening of the current path that is advantageous here can be achieved without an associated increase in thickness. Overheating and unacceptable mechanical stress on the Schuleiterbahnen can be prevented in this way.
- the heating conductor has at least a first and a second heating region, wherein the heating regions are each arranged on opposite surfaces of the carrier.
- the heating conductor foil is bent in such a way that it is guided around the carrier with a substantially U-shaped cross section. This can be achieved in an advantageous manner that the carrier is covered on two mutually substantially opposite surfaces of the heating conductor. In particular, in the case of strip welding machines or soldering irons, as well as in the range of heating elements for toasters, so can be accomplished in a confined space, the heating of two support surfaces.
- the Schuleiterfolie both during manufacture as well as for a strain relief during operation, it is advantageous if the Schuleiterfolie at least one connection area mechanically connected to the carrier.
- a mechanical connection can be realized in a very simple manner by the interaction of tabs and openings, wherein the tabs or tabs can be provided both on the heating conductor foil as well as on the carrier and cooperate with corresponding openings or recesses.
- the heating conductor can be glued to the carrier by means of a suitable adhesive according to a further advantageous embodiment.
- connection area is widened in comparison with the conductor tracks in the heating area, not only an increase in mechanical resistance but also improved heat dissipation can be achieved since the power density is reduced here, and overheating can thus also be avoided at these points.
- an advantageous widening of the current path can be achieved without an associated increase in the thickness. Overheating and unacceptable mechanical stress on the Schuleiterbahnen can be prevented in this way.
- the heating conductor foil can be structured in the heating regions such that zones with different heating power are formed by different widths of the conductor paths.
- the heating conductor foil in the heating region is preferably designed meandering.
- the material micanite offers as a carrier the advantage of very good electrical insulation properties with extremely high heat resistance and good mechanical properties.
- the carrier material can be punched from a plate layer, lasered or water jet cut. The use of several, superimposed layers of the carrier material is possible.
- Mikanit offers the advantage of low thermal conductivity, so that the heat is conducted exclusively in the required direction to the outside.
- a temperature sensor for detecting the temperature occurring in the heating element is further provided in the heating element according to the invention.
- the power supply can be regulated according to the actual temperatures reached.
- a thermocouple for example a nickel / chromium-nickel thermocouple, is preferably used.
- all other conventional temperature sensors can be used.
- a thermally conductive, electrically insulated from the heating conductor housing which surrounds the carrier and the heating conductor at least partially.
- the housing itself can be electrically insulating or else the heating element can be made insulated by insulating films or potting compounds relative to the housing.
- the insertion of the prefabricated, unhoused heating element in a customer-side housing is possible.
- the electric heating element 100 in this case has to generate the required heat to a heating conductor 102, which is traversed by the generation of heat from electric current.
- the heating conductor 102 is formed by a correspondingly structured heating conductor foil.
- the heating conductor 102 is mounted on a carrier 104.
- the heating conductor 102 is guided around the carrier 104 such that in each case a heating region 106, 107 is located on the two opposite sides of the carrier 104.
- the heating conductor foil 102 is connected to the carrier 104 in a total of four areas.
- lugs 110 are formed on the end face 108 of the carrier 104, which engage in corresponding openings 112 of the heating conductor 102.
- a mechanical fixation of the heating conductor 102 on the carrier 104 can be realized, on the other hand can be provided in this way during assembly a positioning aid in mounting the bent heat conductor 102 to the carrier 104.
- heating conductor 102 tabs 114 which through corresponding recesses 116 can be inserted on the carrier 104.
- This form of connection on the one hand in turn causes the mechanical attachment of the heat conductor 102 to the carrier 104, but on the other hand also allows a strain relief against a train through the attached to the heat conductor 102 electrical leads 118th
- thermocouple 120 for example a nickel-chromium-nickel thermocouple, is provided for monitoring the temperature applied to the heating element. The evaluation of the signal of this thermocouple enables an automatic adjustment of the power supply to the heating conductor foil 102.
- the heating region 106 of the heating conductor foil 102 is designed with a plurality of meander loops, while the connection region 122 is designed with a significantly wider conductor cross-section.
- the power density in the connection region can be reduced compared to the power density in the heating region, and thus overheating can be prevented.
- the heating element 100 is shown in the fully packaged condition, as might be present prior to installation in a strip welding machine.
- the components shown in Figure 1 are installed in a housing 124 which is made for improved transfer of heat to the outside of a good heat conductive material.
- the heating conductor 102 can either be covered with an insulating film 126 or be encapsulated with an insulating material.
- the housing itself may be made of an electrically insulating material.
- FIG. 4 shows the structured heating conductor foil 102 before it is bent around the carrier 104.
- the heating conductor foil 102 is structured, for example by an etching process, in such a way that a continuous conductor path results which extends from the connection region 122 to the connection region 123 leads.
- the conductor runs through a plurality of heating regions 106, 107, which are each designed meandering.
- Connection areas 128 and 130 serve to connect the heating conductor foil 102 to the carrier 104.
- connection regions 122, 123 can also be designed directly as plug lugs for the electrical contacting.
- the width of both the connection regions 122, 123 and the connection regions 128, 130 is considerably larger compared to the width of the meander loops of the heating regions 106, 107.
- the power density in these areas compared to the power density in the heating areas 106, 107 can be significantly reduced, whereby the mechanical and electrical stability as well as the reliability of the heating element 100 according to the invention can be significantly increased.
- the heating conductor foil 102 may be made of any Schuleiter- or resistance material, such as Kanthal A®. It is important in the choice of material for the heating element z. As a high scale resistance at the elevated temperatures occurring.
- the connecting regions 128 and 130 serve to fix the heating conductor foil 102 on the carrier 104.
- the heating conductor foil 102 can also be glued onto the carrier by means of a suitable adhesive.
- the connecting portion 128 includes rectangular openings 112 which cooperate with associated lugs 110 of the carrier 104 for mechanical fixation and positioning during assembly.
- the connection region 128 is thereby placed on the end face 108 of the carrier 104 in order to form a deflection region.
- the connecting regions 130 are formed by tabs 114, which are bent over and can be inserted into recesses 116 of the carrier.
- Figure 5 shows a plan view of the carrier 104.
- the carrier may be made of an electrically insulating material, such as micanite, one or more layers are produced. It can be formed, for example, by punching, laser cutting or water jet cutting.
- the lugs 110 and the recesses 116 are produced in the punching, laser, or water jet cutting process. Openings 132, 133 are congruent with bores in the later mounted housing and allow later attachment of the heating element 100 to a device mount.
- the housing 124 is shown in detail.
- This housing can be formed according to the present embodiment, for example, by a metallic tube that is pressed flat and the end face of the heating element is closed frontally. In this case, it is necessary to electrically insulate the heating conductor 102 from the inside, for example by an insulating film with respect to the housing 124.
- the carrier 104 and the heating conductor 102 are manufactured independently.
- the carrier can be produced in one or more layers, for example, from micanite by punching, laser cutting or water jet cutting.
- the heating conductor 102 is produced according to the invention from a Schuleiterfolie, wherein this is done by a variety of techniques, but preferably via an etching step.
- the structuring can, in accordance with the usual process steps of a metallization structuring z. B. in the PCB manufacturing, are carried out by means of a phototechnology.
- the heating conductor 102 is bent in a U-shape, so that later the heating regions 106 can each rest against one of the two surfaces of the carrier 104.
- the tabs 114 are also bent so bent that they are in the final mounted state U-shaped are guided around the carrier 104.
- the heating conductor and the carrier are adjusted to each other, so that the connecting portion 128 of the heat conductor 102 is located on the end face 108 of the carrier 104 and the lugs 110 engage in the openings 112.
- the tabs 114 to allow insertion into the recesses 116, are slightly bent, passed through the recesses 116, and then bent to abut the carrier 104.
- terminal portions 122, 123 are welded with a nickel braid as a lead 118.
- All the usual methods of electrical connection such as soldering, crimping, screwing and the like as well as other strand materials, such as copper, can be used here.
- thermocouple 120 can now be inserted.
- a housing 124 which can be made for example in the form of a flattened tube.
- the electrical heating element according to the invention can be realized in an advantageous manner in a miniaturized form and has without lead, for example, dimensions of about 37 mm x 15 mm x 3.4 mm, where it in power ranges of 24 V and 80 W, ie at power densities of more than 20 W / cm 2 can be reliably operated.
- the principles of the invention are of course applicable to larger size heating elements, as they are for. B. in toasters, radiant heaters or the like may be needed.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Resistance Heating (AREA)
- Surface Heating Bodies (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP04024777A EP1648199A1 (fr) | 2004-10-18 | 2004-10-18 | Elément chauffant avec conductivité thermique améliorée |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP04024777A EP1648199A1 (fr) | 2004-10-18 | 2004-10-18 | Elément chauffant avec conductivité thermique améliorée |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP1648199A1 true EP1648199A1 (fr) | 2006-04-19 |
Family
ID=34927020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP04024777A Withdrawn EP1648199A1 (fr) | 2004-10-18 | 2004-10-18 | Elément chauffant avec conductivité thermique améliorée |
Country Status (1)
| Country | Link |
|---|---|
| EP (1) | EP1648199A1 (fr) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8282819B2 (en) | 2005-08-16 | 2012-10-09 | Robert Bosch Gmbh | Filter device with a heater |
| DE102017106711A1 (de) | 2017-03-29 | 2018-10-04 | Dbk David + Baader Gmbh | Hochvolt-Luftheizer und Verfahren zu dessen Herstellung |
| DE102017130508A1 (de) | 2017-12-19 | 2019-06-19 | Dbk David + Baader Gmbh | Flexibler flächiger Heizer und Verfahren zu dessen Herstellung |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4591701A (en) * | 1984-03-15 | 1986-05-27 | Sennosuke Tokumaru | Heat radiating sheet body |
| EP0438862A2 (fr) * | 1989-12-01 | 1991-07-31 | Philip Morris Products Inc. | Elément de chauffage linéaire alimenté électriquement |
| US5468936A (en) * | 1993-03-23 | 1995-11-21 | Philip Morris Incorporated | Heater having a multiple-layer ceramic substrate and method of fabrication |
| EP0886138A1 (fr) * | 1997-06-13 | 1998-12-23 | Denso Corporation | Elément de capteur d'oxygène comportant un élément chauffant céramique laminé |
| EP1069804A1 (fr) * | 1997-02-26 | 2001-01-17 | Ab Electrolux | Annulation capacitive du courant de fuite dans un panneau de chauffage |
-
2004
- 2004-10-18 EP EP04024777A patent/EP1648199A1/fr not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4591701A (en) * | 1984-03-15 | 1986-05-27 | Sennosuke Tokumaru | Heat radiating sheet body |
| EP0438862A2 (fr) * | 1989-12-01 | 1991-07-31 | Philip Morris Products Inc. | Elément de chauffage linéaire alimenté électriquement |
| US5468936A (en) * | 1993-03-23 | 1995-11-21 | Philip Morris Incorporated | Heater having a multiple-layer ceramic substrate and method of fabrication |
| EP1069804A1 (fr) * | 1997-02-26 | 2001-01-17 | Ab Electrolux | Annulation capacitive du courant de fuite dans un panneau de chauffage |
| EP0886138A1 (fr) * | 1997-06-13 | 1998-12-23 | Denso Corporation | Elément de capteur d'oxygène comportant un élément chauffant céramique laminé |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8282819B2 (en) | 2005-08-16 | 2012-10-09 | Robert Bosch Gmbh | Filter device with a heater |
| DE102017106711A1 (de) | 2017-03-29 | 2018-10-04 | Dbk David + Baader Gmbh | Hochvolt-Luftheizer und Verfahren zu dessen Herstellung |
| DE102017130508A1 (de) | 2017-12-19 | 2019-06-19 | Dbk David + Baader Gmbh | Flexibler flächiger Heizer und Verfahren zu dessen Herstellung |
| WO2019121772A1 (fr) | 2017-12-19 | 2019-06-27 | Dbk David + Baader Gmbh | Dispositif de chauffage plat souple et procédé pour le fabriquer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2130210B1 (fr) | Fusible thermique | |
| DE102007030057B4 (de) | Spulenkomponente | |
| EP2846344B1 (fr) | Commutateur thermique | |
| EP1916875A2 (fr) | Elément d'un dispositif de chauffage produisant de la chaleur | |
| EP2126950A1 (fr) | Élément en alliage fusible, fusible thermique comportant un tel élément en alliage fusible et procédé de fabrication d'un fusible thermique | |
| DE3140462C2 (fr) | ||
| DE102021118569B4 (de) | NTC-Sensor und Verfahren zur Herstellung eines NTC-Sensors | |
| DE4013391C2 (fr) | ||
| DE102004041173A1 (de) | Lötaufbau zwischen einem Streifen einer Stromschiene und einem bedruckten Substrat | |
| EP1648199A1 (fr) | Elément chauffant avec conductivité thermique améliorée | |
| WO2020078937A1 (fr) | Procédé pour le contact électrique d'un conducteur plat supraconducteur | |
| DE102025102196A1 (de) | Induktionslötverfahren zum Anschließen von FFC/PFC-Kabeln an verschiedene Anschlüsse | |
| DE102004001899A1 (de) | Sperrkreisanordnung | |
| WO2013014240A1 (fr) | Circuit de conduction d'un courant électrique | |
| DE102023102302B3 (de) | Temperaturabhängiger Schalter | |
| DE1914687A1 (de) | Schutzschalter und Verfahren zu seiner Herstellung | |
| EP2689448B1 (fr) | Déclencheur de surcharge, notamment pour disjoncteur de puissance | |
| EP2506281A1 (fr) | Commutateur thermodépendant avec résistance protectrice | |
| EP2932803B1 (fr) | Système de contact pour support de circuit multicouche | |
| EP2870618B1 (fr) | Dispositif de protection et système d'entraînement électrique | |
| DE69020074T2 (de) | Verfahren zum Befestigen eines Leitungsdrahtes an einem hakenförmigen Element, sowie ein Läufer und/oder Ständer für eine elektrische Maschine, in der das Verfahren angewandt worden ist. | |
| DE2458952C3 (de) | Thermischer Schutzschalter | |
| EP0773600B1 (fr) | Circuit électrique | |
| DE202019102179U1 (de) | Lötkopf und Lötvorrichtung | |
| DE19532867C2 (de) | Halter für ein temperaturabhängiges Schaltwerk |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR |
|
| AX | Request for extension of the european patent |
Extension state: AL HR LT LV MK |
|
| AKX | Designation fees paid | ||
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
| 18D | Application deemed to be withdrawn |
Effective date: 20061020 |
|
| REG | Reference to a national code |
Ref country code: DE Ref legal event code: 8566 |