CN1205633C - SF-6 gas-insulated switch installation for electricity distribution supply networks - Google Patents
SF-6 gas-insulated switch installation for electricity distribution supply networks Download PDFInfo
- Publication number
- CN1205633C CN1205633C CNB971970599A CN97197059A CN1205633C CN 1205633 C CN1205633 C CN 1205633C CN B971970599 A CNB971970599 A CN B971970599A CN 97197059 A CN97197059 A CN 97197059A CN 1205633 C CN1205633 C CN 1205633C
- Authority
- CN
- China
- Prior art keywords
- switch
- contact block
- load
- coil
- arc
- 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
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/18—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/18—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
- H01H33/187—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet comprising a hollow annular arc runner and a central contact between which a radially drawn arc rotates
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/12—Auxiliary contacts on to which the arc is transferred from the main contacts
- H01H33/121—Load break switches
- H01H33/122—Load break switches both breaker and sectionaliser being enclosed, e.g. in SF6-filled container
Landscapes
- Gas-Insulated Switchgears (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
- Organic Insulating Materials (AREA)
Abstract
An SF6 gas-isolated switch installation for several switchboard sections, each with a three-pole separating switch and an earthing device. A switchboard section is equipped with a separating switch designed as a transformer switch. This can be a load-break switch, whose phases are combined with cutouts, or a load-isolating breaker. The switch installation has for the support of mobile switch contacts and the connection of cables and/or cutouts appropriate lead-throughs in the housing walls and switch shafts mounted on said walls, as well as omnibus bars for the fixed contact of phases L1, L2 and L3, and individual phase quenching devices directly connected to the omnibus bars (9). The quenching devices of the load-break switches that do not function as transformer switches are equipped with sheet steel quenching chambers. Breaking ability must be enhanced with no extra space requirement. For this purpose blow-out coils (13, 13a) are introduced according to an arrangement which when in off position meets the requirements for a disconnected section, with a contact arrangement corresponding to the remaining load-break switches for the three phases of the switch designed as a transformer switch.
Description
Technical field
The present invention relates to a kind of gas-insulated switchgear, be used to be equipped with load and cut off that switch-protector group is cut off in switching cable wiring board and load or be used to protect the distribution network of the circuit breaker that has breaking distance (power cut-off switch) of transformer.
Background technology
Such switchgear is existing open.In power distribution station, use the medium voltage switchgear equipment that three distribution panelboards are housed generally speaking, wherein two distribution panelboards are connected with ring-like cable, and distribution panelboard is equipped with the high pressure protector or is used for the power cut-off switch (Leistungstrennschalter) of transformer branch road.
DE-OS 38 20 489 discloses a kind of SF6-gas-insulated load and has cut off construction of switch, in this structure, load is cut off switch arrangement in a sealing, be filled with in the shell of sulphur hexafluoride (SF6), each has fixing and the part that contacts activity mutually, the arc-extinction device that a ground connection contact block and is made of flash barrier, and in this structure, the fixedly contact part of phase homophase directly is fixed on the bus, and this other arc-extinction device directly is arranged on the bus separately.
This class switchgear is smaller and more exquisite to be installed with being convenient in order to make, through further exploitation, the critical piece that the theme that DE 40 11 397 C2 occurred, load cut off switch is incorporated in the pre-processed standard package, this standard package is pushed in the shell of opening in advance and coupled.On this switchgear, the ground connection contact block under the earthing device is fixed on the switch spindle, and simple installation.
Be arranged in load and cut off the purpose of the arc-extinction device that switch or power cut-off switch go up mutually, be to extinguish the electric arc that produces in the above because contact block is opened when disconnecting and produce by the vaporization of electric heating generation rapidly, to guarantee the cutout performance (Schaltfaehigkeit) of switch owing to last metallic bone.If alternating current, purpose are effectively to reduce charge carrier in short time between the starting of oscillation of current over-zero and answer (Wiederkehrend) voltage.
Except the arc-extinction device of being made up of flash barrier, other arc-extinction devices of electric switch also have open, and as arc suppression coil, the electric arc that is produced is imported into wherein, and because then by magnetic field of electric current generation of coil, magnetic field causes the electric arc rotation and finally extinguishes.EP 0 012 522 introduced a kind of on fixing contact block the electric switch of band arc suppression coil.EP 0 021 577, and the theme of EP 0 058 007 and EP 0 313 106 B1 also all is with the electric switch of arc suppression coil as arc-extinction device.
In these SF6-switchgears that beginning is mentioned, the load of one distribution panelboard is cut off switch and is connected with the Insurance riders device of the high pressure protector of a band striker, the high pressure protector can be packed in the box, cut off switch with the load of storage battery transmission the release memory is housed, it is by the insure striker control of one of device of release link.Acting in conjunction in view of protector and load cut-out switch does not still reach requirement.Even consider rupturing capacity (intensity of protector rated current) and satisfied relevant therewith cutout distance condition (Trennstreckenbedingung), but use as arc-extinction device every still existing limitation aspect the lonely plate layout.
Summary of the invention
The objective of the invention is to, a kind of SF6-gas-insulated switchgear that has higher rupturing capacity under switch arrangement takes up space stable condition is provided.
Thus, not only load cut-out switch, and the formation of power cut-off switch all must satisfy the break distance condition, that is to say to have desired compressive resistance according to rated voltage.Equally, the formation of two switches must guarantee its breaking capacity by controlling and extinguish switching arc with the shortest approach.
For this reason, the invention provides a kind of distribution network SF6-gas-insulated switchgear, comprise a hermetically sealed, this shell holds several respectively has one three utmost point load to cut off the distribution panelboard of a switch and an earthing device, one of them distribution panelboard is equipped with a load cut-out switch as the transformer switch use, it respectively links to each other with protector, perhaps a power cut-off switch can be arranged; Also comprise the lead-in wire on the wall that is located at shell, the support of the switch contact block of these lead-in wire dispensing activities and the joint of dispensing cable and/or protector; Also comprise dress switch spindle thereon and be used for L1 mutually, each of L2 and L3 fixedly contact block bus and with direct-connected each arc-extinction device mutually that is used for of bus, wherein, to cut off the arc-extinction device of switch be not the explosion chamber that flash barrier is housed in the load of using as transformer switch, it is characterized in that, the switch that uses as transformer switch have one with the corresponding switch contact block of other switches structure, and be used for its each phase L1, the arc-extinction device of L2 and L3 is an arc suppression coil, described arc-extinction device have a kind of under off-state, can satisfy the cutout distance condition layout and have the structure of guaranteeing breaking capacity, wherein, the layout of the arc suppression coil of power cut-off switch with structure is: its coil axes becomes the free end of an obtuse angle and switch contact block with switch contact block on being in open position in the scope of coil axes at fixing contact side, coil radius at least and switch contact block the and fixedly distance between the contact block is corresponding, and its fixedly contact side coil edge zone and fixing contact block and at the free end of the switch contact block of this other motion one minimum range is arranged; And, the layout that the arc suppression coil of switch is cut off in load with structure is: its coil axes becomes a right angle or obtuse angle with switch contact block on being in open position at fixing contact side, described arc suppression coil respectively has a director element that is positioned at the electric arc minimum point, and what this director element reached fixing contact block always is arranged tangential nearby and with the free-ended tracks of switch contact block.
Such switchgear comprises that several cut off the distribution panelboard of a switch and an earthing device with three utmost point loads, one of them distribution panelboard is equipped with a load of using as transformer switch and cuts off switch, it links to each other with protector, it perhaps can be a power cut-off switch, and in this switchgear, phase L1, the fixedly contact block of L2 and L3 is fixedlyed connected with bus, the arc-control device of each phase is arranged on the bus, according to the present invention, that be used for using as transformer switch and have one with the L1 mutually of the switch of the corresponding switch contact block layout of other switches, the arc-extinction device of L2 and L3 is an arc suppression coil, and the arc-extinction device of other disconnect phases is explosion chambers of disclosed band flash barrier.
Thus, adopt power cut-off switch to satisfy to disconnect distance condition and provide under the condition of the way that guarantees breaking capacity-provide at the switch that has the explosion chamber for this space proportion and its corresponding switch contact block layout-if arc suppression coil adopts this layout and formation, be its coil axes and the switch contact block that is on the open position comprises an obtuse angle at fixing contact side, the free end that is in the switch contact block on the open position is in the scope of coil axes, coil radius at least and be in the switch contact block on the open position and fixedly the distance between the contact block is corresponding, fixedly the coil edge scope of contact side and fixedly contact block and from then on the free end of the switch contact block of other action one minimum range is arranged.
Adopt load to cut off switch and satisfied the scheme that disconnects distance condition and the assurance breaking capacity is provided, if arc suppression coil adopts this layout and formation, be its coil axes and the switch contact block that is on the open position is bundled into a right angle or obtuse angle at fixing contact side, and arc suppression coil respectively has a director element that is positioned at the electric arc minimum point, and what its arrived fixing contact block is arranged tangential nearby and with the free-ended tracks of switch contact block.Cut off the breaking capacity of switch for proof load, director element has important function.The electric arc that produces between switchblade knife and the contact block enters coil along director element.Though it is this moment, electric arc was because the shorter and instantaneous existence of distance, very fast and just arrive the interior rail of arc suppression coil reliably.Therefore the purpose of director element is, compares with power cut-off switch, adopts load to cut off switch and can arrange littler arc suppression coil in the certain distance of distance bus contact block, and adopt this layout electric arc can enter arc suppression coil.
Under the constant condition of giving arrangement space, arc suppression coil is arranged in the cut-out ability (Ausschaltvermoegen) that has improved switchgear on the transformer switch, thereby can consider to improve load is cut off the requirement of switch-protector group or also can be considered cutting-off of short-circuit electric current, demonstrate tangible technological progress thus.
L1, L2 and L3 each mutually arc suppression coil and fixedly contact block can reasonably be arranged on the shared transverse arm in this case, transverse arm links to each other with each bus mutually, the movable relative transverse arm of switch contact block is arranged swingably, like this, it can be by swinging in the open position parallel with transverse arm on the on-position that provides on the fixing contact block and entering earthing position through this position.
Arc suppression coil can arrange in this case like this, and its coil axes is being bundled into an obtuse angle with the switch contact block that is on the open position towards a fixing side of contact block, preferably 165 ° to 175 °, or be with the switch contact block that is in open position and be arranged vertically.
If a kind of arc suppression coil structure in back, fixedly contact block is in the center of arc suppression coil, and director element is aimed at coil inside.
Contact block edge scaling loss is serious when avoiding breaking current (power cut-off switch) higher, the free end of movable switch contact block and fixedly the arcing limit of contact block can install cover and the arcing plate that constitutes by material additional than separately the more anti-combustion of contact block material.
At last, for ease of installing and reducing required space is installed in switchgear, arc suppression coil and explosion chamber and a standard package that can push the shell of opening in advance from the back side join.This standard package can be by bus, and with the fixing fixedly contact block of transverse arm, transverse arm standoff and the bearing that is arranged on the shell are formed.Three ground connection contact blocks under the earthing device are fixed on the switch spindle.
Description of drawings
Below borrow embodiment that the present invention is illustrated.Accompanying drawing is depicted as:
Fig. 1: according to SF6-gas-insulated switchgear top view of the present invention (load cut-out switch),
Fig. 2: switchgear rearview (power cut-off switch),
Fig. 3: a phase of switch is cut off in the load that is combined with protector,
Fig. 4: the another kind of structure of a phase of switch is cut off in the load that is combined with protector,
Fig. 5: the fixing and switch contact block structure of the another kind of power cut-off switch.
Embodiment
According to Fig. 1, gas-insulated switchgear is made up of a hermetically sealed 1, and three distribution panelboard I wherein, II and III are equipped with one three utmost point load separately and cut off switch and an earthing device.Distribution panelboard I has a load of using as transformer switch to cut off switch, its phase L1, and L2 and L3 2 link to each other with protector (not marking) by going between.
The knife switch 3 that switch has the double-pole structure of movable switch contact block form is cut off in load.At phase L2, knife switch 3 directly drops on separately the lead-in wire 2 separately, and what phase L1 and L3 used is special knife switch standoff, and they are not by strutting piece link to each other with affiliated lead-in wire 2 (marking).Lead-in wire 2 all is on the front 4 of shell 1.Finish the operation of knife switch 3 by being supported on switch spindle 5 on shell 1 wall, switch spindle 5 is connected with knife switch 3 with connecting rod 7 by a lever 6.One ground connection contact block 8 directly is connected with switch spindle 5.
Knife switch 3 can have three positions.Under on-state, knife switch 3 is separately connected the fixedly contact block 10 of fixedlying connected with bus 9.Distribution panelboard III is depicted as this on-state.Under off-state, knife switch 3 separately enters the fixedly position between the contact block 10 and ground connection contact block 8.Distribution panelboard II is depicted as this on off state.Under ground state, knife switch 3 is separately connected ground connection contact block 8, shown in distribution panelboard I.
Three buses 9 are arranged in shell 1, and each phase L1 of switch is cut off in load, above the fixedly contact block 10 of L2 and L3 is arranged in separately.In addition, L1, be furnished with arc-extinction device on each bus 9 mutually of L2 and L3, wherein the load of going up no protector of distribution panelboard II and III cuts off that switch goes up mutually, and the lonely device that disappears is the explosion chamber 12 of band flash barrier, and the arc-extinction device that has the load cut-out switch of protector to go up mutually on the distribution panelboard I is arc suppression coil 13a.On this arc suppression coil (13a) and the transverse arm 14 that fixedly contact block (10) is arranged in bus 9 links to each other separately, the knife switch 3 that is in the open position is in parallel.Arc suppression coil 13a arranges like this, and its coil axes A is bundled into about 165 a ° obtuse angle alpha (Fig. 2) with the switch contact block 3 that is on the open position on the side in the face of fixing contact block 10.
Figure 2 shows that three buses 9 and the arc suppression coil 13 by disposed thereon of bus section, busbar section 9a.Their fixed and arranged are on the transverse arm 14 that is also supported by fixing contact block 10, and transverse arm is again by standoff 15, and support 16 and crossbeam 18 are fixed on the shell.As can be seen, distribution panelboard I (power cut-off switch) does not need in shell 1 than distribution panelboard II and the bigger arrangement space of III.
Fig. 3 is an arc suppression coil 13a an amplification diagram of arranging on mutually.Arc suppression coil 13a is clamped on a plate 20, it not only can with the circle head of arc suppression coil 13a, also can with transverse arm 14 and thus with bus 9 electric coupling.
Figure 4 shows that with a kind of another kind of arc suppression coil of switchgear and arrange that arc suppression coil 13a is arranged on a plate 21, coil axes A has a right angle β with the knife switch 3 that is on the open position, and arc suppression coil 13a comprises fixedly contact block 10.Arc suppression coil 13a separately fixedly contact block 10 near also have a guide plate 17 that is electrically connected with the coil windings end, it is identical with the width of knife switch 3 and be arranged tangential with the free-ended tracks of knife switch.
According to the switchgear embodiment diagram that is used for higher breaking current of the present invention, be the raising anti-scorching, but the free end mounting cup 22 of knife switch 3, fixedly contact block 10 can be installed arcing plate 23.The material of cover 22 and arcing plate 23 is than the more anti-combustion of raw material (Fig. 5) of each contact block 3 or 10.
Claims (6)
1. distribution network SF6-gas-insulated switchgear, comprise a hermetically sealed, this shell holds several respectively has one three utmost point load to cut off the distribution panelboard of a switch and an earthing device, one of them distribution panelboard is equipped with a load cut-out switch as the transformer switch use, it respectively links to each other with protector, perhaps a power cut-off switch can be arranged; Also comprise the lead-in wire on the wall that is located at shell, the support of the switch contact block of these lead-in wire dispensing activities and the joint of dispensing cable and/or protector; Each that also comprises dress switch spindle thereon and be used for mutually (L1, L2 and L3) fixedly contact block bus and with direct-connected each arc-extinction device mutually that is used for of bus, wherein, to cut off the lonely device that disappears of switch be not the explosion chamber that flash barrier is housed in the load of using as transformer switch, it is characterized in that, the switch that uses as transformer switch have one with the corresponding switch contact block of other switches structure, and the arc-extinction device that is used for Qi Gexiang (L1, L2 and L3) is an arc suppression coil (13; 13a), described arc-extinction device have a kind of under off-state, can satisfy the cutout distance condition layout and have the structure of guaranteeing breaking capacity,
Wherein, the layout of the arc suppression coil of power cut-off switch (13) and structure are:
-its coil axes (A) becomes the free end of an obtuse angle (α) and switch contact block (3) with switch contact block (3) on being in open position in the scope of coil axes (A) at fixing contact side, coil radius at least and switch contact block (3) the and fixedly distance between the contact block (10) is corresponding
-and its fixedly contact side coil edge zone and fixing contact block (10) and at the free end of the switch contact block (3) of this other motion one minimum range is arranged;
And layout and structure that the arc suppression coil (13a) of switch is cut off in load are:
-its coil axes (A) becomes a right angle or obtuse angle (β with switch contact block (3) on being in open position at fixing contact side; α),
-described arc suppression coil respectively has a director element (17) that is positioned at the electric arc minimum point, and what this director element reached fixing contact block (10) always is arranged tangential nearby and with the free-ended tracks of switch contact block (3).
2. by the described switchgear of claim 1, it is characterized in that arc suppression coil (13; 13a) and the fixedly contact block (10) of (L1, L2 and L3) each phase be arranged in one with transverse arm (14) that each bus (9) links to each other on, movable switch contact block (3) is in parallel when open position.
3. by the described switchgear of claim 2, it is characterized in that obtuse angle (α) is 165 ° to 175 °.
4. by the described switchgear of claim 2, it is characterized in that the layout and the structure of arc suppression coil (13a) are that it comprises fixedly contact block (10), and director element (17) is aimed at coil inside.
5. by the described switchgear of claim 1, it is characterized in that the free end of movable contact block switch (3) is equipped with cover (22), fixedly contact block (10) is equipped with the arcing plate of making by than the material of separately the more anti-combustion of contact block material (23) at the Gu Bianshang that goes out.
6. by the described switchgear of claim 1, it is characterized in that arc suppression coil (13; 13a) can push the interior standard package of the shell that open in advance (19) from the back side (1) with explosion chamber (12) and one links to each other, described assembly is by bus (9), form with the standoff (15) of transverse arm (14) fixedly contact block (10) fixed thereon, transverse arm (14) and the support (16) that is arranged on the shell (1), and three the ground connection contact blocks (8) under the earthing device are fixed on the switch spindle (5).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19631817.3 | 1996-08-07 | ||
| DE19631817A DE19631817C1 (en) | 1996-08-07 | 1996-08-07 | SF¶6¶ gas-insulated switchgear for distribution networks |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1227663A CN1227663A (en) | 1999-09-01 |
| CN1205633C true CN1205633C (en) | 2005-06-08 |
Family
ID=7801988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB971970599A Expired - Fee Related CN1205633C (en) | 1996-08-07 | 1997-08-04 | SF-6 gas-insulated switch installation for electricity distribution supply networks |
Country Status (11)
| Country | Link |
|---|---|
| EP (1) | EP0917721B1 (en) |
| KR (1) | KR100297622B1 (en) |
| CN (1) | CN1205633C (en) |
| AT (1) | ATE216126T1 (en) |
| BR (1) | BR9710807A (en) |
| CZ (1) | CZ296238B6 (en) |
| DE (1) | DE19631817C1 (en) |
| ES (1) | ES2174281T3 (en) |
| NO (1) | NO317118B1 (en) |
| PL (1) | PL187349B1 (en) |
| WO (1) | WO1998006120A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19813217C1 (en) * | 1998-03-26 | 1999-11-25 | Felten & Guilleaume Ag | Quenching coil for gas-insulated switch disconnectors |
| DE10131018C1 (en) * | 2001-06-27 | 2003-01-23 | Siemens Ag | Power switch for medium voltage network plane, has opening in switch chamber allowing gas to flow into auto-compression gas space during opening of switch contacts |
| DE102008031468B3 (en) * | 2008-07-01 | 2010-04-08 | Siemens Aktiengesellschaft | Switch-disconnector with an arc-extinguishing device |
| DE102011004421A1 (en) * | 2011-02-18 | 2012-08-23 | Schneider Electric Sachsenwerk Gmbh | Cooling device for electrical switchgear, has feed tube for supply of air or gas to high temperature area in switchboard, and feed channel for supply of liquid to high temperature area |
| CN102646965A (en) * | 2011-02-22 | 2012-08-22 | 李彬雄 | Smart switch and power distribution network system adopting same |
| CN103198957A (en) * | 2013-03-19 | 2013-07-10 | 启东德佳电器配件有限公司 | Improved low-voltage disconnecting switch |
| CN107910225A (en) * | 2017-11-24 | 2018-04-13 | 周敬存 | A kind of arc-control device and its arc-suppressing method on ring main unit |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE6006T1 (en) * | 1978-11-28 | 1984-02-15 | South Wales Switchgear Limited | ELECTRICAL SWITCHGEAR. |
| DE3066931D1 (en) * | 1979-05-25 | 1984-04-19 | South Wales Switchgear | Electrical switchgear |
| EP0058007B1 (en) * | 1981-02-03 | 1986-06-04 | South Wales Switchgear Limited | Electrical switchgear |
| FI78195C (en) * | 1986-10-27 | 1989-06-12 | Stroemberg Oy Ab | Switch |
| ATE83586T1 (en) * | 1987-03-12 | 1993-01-15 | Merlin Gerin Ltd | ELECTRICAL SWITCHGEAR. |
| DE3820489A1 (en) * | 1988-06-16 | 1989-12-21 | Felten & Guilleaume Energie | Encapsulated switch disconnector arrangement |
| DE4011397C2 (en) * | 1990-04-09 | 1995-08-03 | Felten & Guilleaume Energie | Gas-insulated switchgear for use in power distribution stations |
| US5464956A (en) * | 1994-04-08 | 1995-11-07 | S&C Electric Company | Rotating arc interrupter for loadbreak switch |
-
1996
- 1996-08-07 DE DE19631817A patent/DE19631817C1/en not_active Expired - Fee Related
-
1997
- 1997-08-04 AT AT97938873T patent/ATE216126T1/en not_active IP Right Cessation
- 1997-08-04 CN CNB971970599A patent/CN1205633C/en not_active Expired - Fee Related
- 1997-08-04 CZ CZ0037999A patent/CZ296238B6/en not_active IP Right Cessation
- 1997-08-04 BR BR9710807-3A patent/BR9710807A/en not_active Application Discontinuation
- 1997-08-04 EP EP97938873A patent/EP0917721B1/en not_active Expired - Lifetime
- 1997-08-04 WO PCT/EP1997/004241 patent/WO1998006120A1/en active IP Right Grant
- 1997-08-04 ES ES97938873T patent/ES2174281T3/en not_active Expired - Lifetime
-
1999
- 1999-02-04 NO NO19990532A patent/NO317118B1/en not_active IP Right Cessation
- 1999-02-04 KR KR1019997000954A patent/KR100297622B1/en not_active IP Right Cessation
- 1999-02-05 PL PL97331466A patent/PL187349B1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR100297622B1 (en) | 2001-09-29 |
| CZ296238B6 (en) | 2006-02-15 |
| NO990532D0 (en) | 1999-02-04 |
| PL331466A1 (en) | 1999-07-19 |
| ES2174281T3 (en) | 2002-11-01 |
| CN1227663A (en) | 1999-09-01 |
| EP0917721B1 (en) | 2002-04-10 |
| NO990532L (en) | 1999-02-04 |
| DE19631817C1 (en) | 1998-03-12 |
| PL187349B1 (en) | 2004-06-30 |
| WO1998006120A1 (en) | 1998-02-12 |
| ATE216126T1 (en) | 2002-04-15 |
| NO317118B1 (en) | 2004-08-16 |
| KR20000029814A (en) | 2000-05-25 |
| BR9710807A (en) | 2000-01-11 |
| EP0917721A1 (en) | 1999-05-26 |
| CZ37999A3 (en) | 1999-05-12 |
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