DK163889B3 - SPEED CONTROLLER FOR MOVABLE SUBJECTS, NAMELY SLIDERS OR GATES - Google Patents
SPEED CONTROLLER FOR MOVABLE SUBJECTS, NAMELY SLIDERS OR GATES Download PDFInfo
- Publication number
- DK163889B3 DK163889B3 DK519089A DK519089A DK163889B3 DK 163889 B3 DK163889 B3 DK 163889B3 DK 519089 A DK519089 A DK 519089A DK 519089 A DK519089 A DK 519089A DK 163889 B3 DK163889 B3 DK 163889B3
- Authority
- DK
- Denmark
- Prior art keywords
- speed
- door
- brake
- gates
- door leaf
- Prior art date
Links
- 238000010276 construction Methods 0.000 description 5
- 229910000679 solder Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F5/00—Braking devices, e.g. checks; Stops; Buffers
- E05F5/003—Braking devices, e.g. checks; Stops; Buffers for sliding wings
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
- E05Y2201/21—Brakes
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
- E05Y2201/252—Type of friction
- E05Y2201/258—Magnetic or electromagnetic friction
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
- E05Y2201/262—Type of motion, e.g. braking
- E05Y2201/266—Type of motion, e.g. braking rotary
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/60—Suspension or transmission members; Accessories therefor
- E05Y2201/622—Suspension or transmission members elements
- E05Y2201/688—Rollers
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/13—Type of wing
- E05Y2900/132—Doors
- E05Y2900/134—Fire doors
Landscapes
- Power-Operated Mechanisms For Wings (AREA)
Description
i DK 163889 B3in DK 163889 B3
Opfindelsen angår en hastighedsregulator til regulering af bevægelseshastigheden for skydedøre eller -porte, navnlig brandskydedøre eller -porte, som har bærehjul og dermed samvirkende bære- eller støtteskinner for portbladet, hvilken 5 regulator har en bremse med en rotor, over hvis aksel bremse-rotoren drivpåvirkes af drivorganer, som er direkte koblet til et bærehjul for portbladet således, at nævnte bevægelseshastighed reduceres.BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to a speed regulator for controlling the speed of movement of sliding doors or gates, in particular fire sliding doors or gates having supporting wheels and thus cooperating support or support rails for the door leaf, which regulator has a brake with a rotor over of drive means which are directly coupled to a carrier for the gate blade so that said speed of movement is reduced.
Specielt brandskydeporte kan udgøre en betydelig fare for 10 personer eller for andre bygningsdele.Especially fire gates can pose a significant danger to 10 people or to other building components.
En brandskydeport fastholdes normalt i åben stilling mod kraften fra et drivorgan, mest typisk et lod. I tilfælde af ildebrand frigives portbladet, og da et sådant portblad som regel er ret tungt, vil det komme til at indeholde en be-15 tydelig mængde kinetisk energi, hvis der ikke træffes forholdsregler til at begrænse dets bevægelseshastighed, og det udgør en betydelig fare for personer, der opholder sig i portåbningen, og ofte også for portåbningens modsatte side, som portbladet skal bringes i anlæg med.A fire sliding door is usually held in an open position against the force of a driving means, most typically a solder. In the event of a fire, the door leaf is released, and since such a door leaf is usually quite heavy, it will contain a considerable amount of kinetic energy if no steps are taken to limit its speed of movement and present a considerable danger for people staying in the doorway, and often also for the opposite side of the doorway with which the door leaf must be brought into contact.
20 Derfor har man indført hastighedsregulatorer, der kan begrænse portbladets bevægelseshastighed.20 Therefore, speed regulators have been introduced which can limit the speed of movement of the door leaf.
Der kendes en hastighedsregulator, i hvilken en hvirvelstrømsbremse over et bånddrev i form af en kæde står i rotationsforbindelse med et kædehjul, der fungerer som et hastig-25 hedsforøgende gearhjul for hvirvelstrømsbremsen, og som for sit vedkommende er fast koblet med et mindre hjul, der over et båndtræk i form af en wire via et styrehjul er forbundet med portbladet.There is known a speed regulator in which an eddy current brake over a belt drive in the form of a chain is in rotational communication with a sprocket, which acts as a speed-increasing gear wheel for the eddy current brake, which in turn is fixedly coupled with a smaller wheel which over a belt pull in the form of a wire via a guide wheel is connected to the gate blade.
Denne regulator har den ønskede virkning, men den lider under 30 den ulempe, at den er ret pladskrævende og kun med store vanskeligheder kan efterindbygges i en eksisterende skyde-port, som ikke har nogen hastighedsregulator, men hvor portbladet alene påvirkes af eksempelvis et lod over en wire.This controller has the desired effect, but it suffers from the disadvantage that it is rather space consuming and can only be retrofitted with an existing sliding gate which has no speed controller, but where the door leaf is only affected by, for example, a pilot over a wire.
*» 2 DK 163889 B3* »2 DK 163889 B3
Wiren skal være længere, hvilket nødvendiggør montering af en anden wire, og der skal også monteres andre bærebeslag. Der skal altså i værste fald - ved indbyggede portblade - brydes hul i den mur, hvori portbladet befinder sig i den åbne 5 stilling. Der er således tale om en omstændelig, tids- og omkostningskrævende proces, og den foreliggende opfindelse tager sigte på at afhjælpe dette forhold ved tilvejebringelse af en enklere og også mindre pladskrævende hastighedsregulator, som er betydeligt lettere at montere end den kendte 10 regulator.The wire must be longer, which necessitates the installation of another wire, and other supporting brackets must also be fitted. In the worst case scenario - in case of built-in door leaves - holes in the wall in which the door leaf is in the open position 5 must be broken. Thus, it is a time-consuming, time-consuming and costly process, and the present invention aims to remedy this condition by providing a simpler and also less space-consuming speed controller which is significantly easier to install than the known controller.
Der kendes også en hastighedsregulator, der omfatter en hydraulisk bremse med en bremserotor, hvis aksel via en række med hinanden indgribende tandhjul er forbundet med et af portbladets bærehjul. Denne kendte hastighedsregulator har i 15 praksis vist sig at være mindre egnet, idet de med hinanden indgribende ubeskyttede tandhjul, der er udsat for påvirkninger fra det omgivende miljø, ofte svigter, ligesom den hydrauliske bremse har vist sig at være mindre hensigtsmæssig, idet dens bremsevirkning vokser nogenlunde proportionalt 20 med portbladets bevægelseshastighed.There is also known a speed regulator comprising a hydraulic brake with a brake rotor, the shaft of which is connected via a series of interlocking gears to one of the carriers of the door leaf. This known speed regulator has in practice proved to be less suitable, since the interlocking unprotected gears which are subjected to influences from the surrounding environment often fail, and the hydraulic brake has been found to be less suitable as its braking effect grows approximately proportionally with the speed of movement of the door leaf.
Hastighedsregulatoren ifølge opfindelsen er af den sidstnævnte kendte art og er ejendommelig ved, at drivorganerne har form af mindst to bånd eller kædedrev, der tilsammen danner en rotationshastighedsforøgende udveksling, idet hvert 25 af kædedrevene har et kædehjul anbragt på en fælles aksel, og som drivpåvirkes af et drivorgan, som er direkte koblet til nævnte bærehjul, og at bremsen er en hvirvelstrømsbremse med et antal magneter med skiftende polaritet, som samvirker med bremserotoren i form af en bremseskive således, at dørens 30 eller portens bevægelseshastighed reduceres, når denne overskrider en bestemt, fortrinsvis indstillelig værdi.The speed regulator according to the invention is of the latter known type and is characterized in that the drive means are in the form of at least two belts or chain drives, which together form a rotational speed-increasing exchange, each 25 of the chain drives having a sprocket mounted on a common shaft and driven by a drive means directly coupled to said carrier wheel and said brake being an eddy current brake having a plurality of alternating polarity magnets cooperating with said brake rotor in the form of a brake disc such that the speed of the door 30 or the gate decreases as it exceeds a certain; preferably adjustable value.
Ved at give drivorganerne form af et bånddrev, såsom en kæde eller wire, kan man sikre sig, at drivorganerne kan fremstilles med forholdsvis grove tolerancer, og at deres funk-35 tionssikkerhed er nogenlunde upåvirket af det omgivende 3 DK 163889 B3 miljø. Ved anvendelse af en hvirvelstrømsbremse, der via en to-trinsudveksling drives af et drivorgan, som er direkte koblet til bærehjulet, kan man endvidere med en relativ lille ' hvirvelstrømsbremse opnå, at dørens eller portens bevægelses- 5 hastighed ikke kan overstige en nærmere fastsat værdi. Hastighedsregulatoren ifølge opfindelsen er således væsentligt mere sikker og effektiv end den ovennævnte kendte hastighedsregulator med tandhjulsdrev og hydraulisk bremse.By providing the drive means in the form of a belt drive, such as a chain or wire, it can be ensured that the drive means can be manufactured with relatively coarse tolerances and that their functional safety is somewhat unaffected by the surrounding environment. Furthermore, by using an eddy current brake driven by a two-stage interchange by a drive means directly coupled to the carrier wheel, it is possible to achieve with a relatively small eddy current brake that the door or gate speed of movement cannot exceed a predetermined value. . Thus, the speed controller according to the invention is substantially more secure and efficient than the above-mentioned known speed controller with gear and hydraulic brake.
Som følge af, at det drivorgan, som over bånddrevet påvirker 10 hvirvelstrømsbremsen, er direkte koblet med et bærehjul for portbladet, kan hastighedsregulatoren monteres uden nogen form for indgreb i eksisterende bygningsdele, og det samme gælder udførelse af eventuelle reparationer. Ved indbyggede portblade trækkes portbladet blot et stykke ud fra sin ind-15 skudte stilling, således at der bliver adgang til et bærehjul, hvorefter regulatoren ifølge opfindelsen kan monteres umiddelbart.Due to the fact that the drive means which act on the belt drive via the belt drive is directly coupled with a carrier for the door leaf, the speed controller can be mounted without any interference with existing building parts, and the same applies to the execution of any repairs. In the case of built-in door blades, the door leaf is pulled only a distance from its shot-in position, so that a carrier wheel is accessed and the controller according to the invention can be mounted immediately.
Opfindelsen er i det følgende forklaret nærmere på grundlag af et udførelseseksempel og med henvisning til tegningen, 2 o hvor fig. 1 viser den forannævnt kendte konstruktion med hvirvelstrømsbremse, og fig. 2 er et planbillede og et sidebillede af en mulig udførelsesform for en hastighedsregulator ifølge den forelig-25 gende opfindelse, I den i fig. 1 viste konstruktion er et ikke nærmere vist portblad, som vil befinde sig til venstre for figuren, forbundet med en wire 1, som over et rotationshastighedsforøgende gearhjul 2 og et styrehjul 3 er forbundet med et 30 ligeledes ikke vist lod, der er ophængt i wirens anden ende ved 4 .The invention is explained in more detail below on the basis of an exemplary embodiment and with reference to the drawing, in which FIG. 1 shows the aforementioned known eddy current brake construction; and FIG. 2 is a plan view and a side view of a possible embodiment of a speed controller according to the present invention; 1, a gate blade not shown, which will be to the left of the figure, is connected to a wire 1 which, over a rotational speed increasing gear wheel 2 and a steering wheel 3, is connected to a solder not shown as shown in the wire. other end at 4.
Gearhjulet 2 er over et ved 5 antydet friløbsleje koblet med et kædehjul 6, som for sit vedkommende over en kæde 7 er koblet med en hvirvelstrømsbremse 8's aksel 9.The gearwheel 2 is coupled over a freewheel bearing 6, indicated by 5, with a sprocket 6, which in turn is coupled to a sprocket 7 by the shaft 9 of an eddy current brake 8.
DK 163889 B3 4 Når portbladet indleder sin lukkebevægelse i den ved pilen 10 antydede retning, er rulnings- og friktionsmodstandene større end de vil være, når portbladet er i bevægelse, og der fremkommer en acceleration, som kan føre til bevægelseshastig-5 heder for portbladet, der er farlige, sådan som det er nævnt i det foranstående.DK 163889 B3 4 When the door blade initiates its closing movement in the direction indicated by arrow 10, the rolling and frictional resistances are greater than they will be when the door blade is in motion and an acceleration occurs which can lead to speeds of movement of the door blade. that are dangerous, as mentioned above.
Til imødegåelse af sådanne farlige hastigheder af portbladet kan man installere en mekanisme som vist i fig. 1.To counteract such dangerous speeds of the door leaf, a mechanism as shown in FIG. First
Jo hurtigere portbladet bevæger sig, desto hurtigere roterer 10 hvirvelstrømsbremsen 8, og desto større bliver dennes modstand mod rotation som følge af samvirkningen mellem de punkteret viste magneter 11, der har skiftende polariteter, og en overliggende skivebremse 11a. Drivloddets kraftpåvirkning på portbladet reduceres, og derved dæmpes portbladets 15 hastighed til en værdi, som er forudbestemt og indstillet ved passende indregulering af afstanden mellem magneterne og den nævnte overliggende bremseskive. Når portbladets hastighed igen tiltager til over den forudbestemte tilladelige værdi, gentager processen sig.The faster the gate blade moves, the faster the vortex brake 8 rotates, and the greater its resistance to rotation due to the interaction of the dotted magnets 11 having alternating polarities and an overhead disc brake 11a. The driving force of the propeller on the door leaf is reduced, thereby damping the speed of the door leaf to a value which is predetermined and adjusted by appropriately adjusting the distance between the magnets and said overlying brake disc. When the speed of the door leaf increases again above the predetermined allowable value, the process repeats itself.
20 Denne kendte hastighedsregulator fungerer altså efter hensigten, men den har den ulempe, at den er ret pladskrævende, og at den nødvendiggør en ny inddækning eller at den ved indbyggede portblade skal monteres inde i den mur, som portbladet skal bevæges ind i. Denne mur skal der følgelig brydes 25 hul i, hvis der skal eftermonteres en regulator i en portkonstruktion, som ikke i forvejen har en sådan, eller hvis en monteret regulator skal repareres eller justeres.20 This known speed controller thus functions as intended, but it has the disadvantage that it is quite space consuming and that it requires a new covering or that it must be mounted inside the wall in which the door leaf is to be moved. Accordingly, 25 holes must be broken if a regulator is to be retrofitted in a door construction which does not already have it, or if a mounted regulator is to be repaired or adjusted.
Disse ulemper er elimineret ved hjælp af hastighedsregulatoren ifølge opfindelsen, som er vist i fig. 2 i form af et 30 udførelseseksempel.These drawbacks are eliminated by the speed controller of the invention shown in FIG. 2 in the form of an embodiment.
Her er et kædehjul 12, som funktionelt svarer til kædehjulet 6 i fig. 1, koblet direkte med et bærehjul 13 for portbladet og over en drivkæde 14 tilkoblet en hvirvelstrømsbremse 15 DK 163889 B3 5 via en rotationshastighedsforøgende udveksling i form af to ikke nærmere viste kædehjul, som er monteret på en fælles aksel 14a, og en yderligere kæde 14b.Here is a sprocket 12 which functionally corresponds to the sprocket 6 in FIG. 1, coupled directly with a carrier wheel 13 for the gate blade and over a drive chain 14, a vortex brake 15 is coupled via a rotational speed-increasing exchange in the form of two not shown sprockets mounted on a common shaft 14a, and a further chain 14b .
Denne konstruktive udformning bevirker, at hastighedsregula-5 toren ifølge opfindelsen ved indbyggede portblade kan monteres, hvis blot man trækker portbladet så langt ud af muren, som det befinder sig i, når porten er åben, at der bliver tilgang til et bærehjul, således at dette kan erstattes af et bærehjul med en regulator ifølge opfindelsen, og installatio-10 nen er færdig. Ved ikke indbyggede portblade lettes monteringen af en regulator også væsentligt i forhold til den kendte regulator.This constructive design means that the speed controller according to the invention can be mounted on built-in door blades, if you simply pull the door blade out of the wall as far as it is when the door is open, so that a carrier wheel is accessed, so that this can be replaced by a carrier with a regulator according to the invention and the installation is complete. For non-built-in door blades, the mounting of a regulator is also greatly facilitated in relation to the known regulator.
Det er et afgørende træk ved konstruktionen ifølge opfindelsen, at hvirvelstrømsbremsen påvirkes af et bærehjul for 15 portbladet i modsætning til den kendte konstruktion, hvor bremsen påvirkes af drivloddet.It is a crucial feature of the construction according to the invention that the eddy current brake is actuated by a support wheel for the door blade as opposed to the known construction in which the brake is affected by the drive solder.
På tegningens fig. 2 er det antydet, at der på bremseskiven 11a's aksel er monteret et friløbsleje.In the drawing FIG. 2, it is suggested that a free bearing bearing is mounted on the shaft of the brake disc 11a.
Dette muliggør bevægelse af portbladet i den ene retning, 20 dvs. åbneretningen, uden modstand fra bremsen, men dette leje gør det også muligt at benytte den samme regulatorkonstruktion til begge bevægelsesretninger for et portblad. Regulatoren ifølge opfindelsen er altså universelt anvendelig til både højregående og venstregående portblade.This allows movement of the door leaf in one direction, i.e. the opening direction, without resistance from the brake, but this bearing also allows the same regulator construction to be used for both directions of movement of a door leaf. The controller according to the invention is thus universally applicable to both upper and left door blades.
25 Det skal nævnes, at regulatoren ifølge opfindelsen kan anvendes helt analogt i forbindelse med skydeporte, som ikke er belastet med et lod eller lignende, men som er ophængt i en hældende bæreskinne, således at de alene påvirkes i lukkeretningen af tyngdekraften.It should be mentioned that the controller according to the invention can be used quite analogously in connection with sliding gates which are not loaded with a solder or the like, but which are suspended in an inclined support rail, so that they are only affected in the closing direction by gravity.
30 Regulatoren ifølge opfindelsen kan også - og med samme effekt - anvendes i forbindelse med reolsystemer, hvor de enkelteThe controller according to the invention can also - and with the same effect - be used in connection with shelving systems, where the individual
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK519089A DK163889B3 (en) | 1989-10-19 | 1989-10-19 | SPEED CONTROLLER FOR MOVABLE SUBJECTS, NAMELY SLIDERS OR GATES |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK519089 | 1989-10-19 | ||
DK519089A DK163889B3 (en) | 1989-10-19 | 1989-10-19 | SPEED CONTROLLER FOR MOVABLE SUBJECTS, NAMELY SLIDERS OR GATES |
Publications (5)
Publication Number | Publication Date |
---|---|
DK519089D0 DK519089D0 (en) | 1989-10-19 |
DK519089A DK519089A (en) | 1991-04-20 |
DK163889B DK163889B (en) | 1992-04-13 |
DK163889C DK163889C (en) | 1992-09-14 |
DK163889B3 true DK163889B3 (en) | 1999-11-01 |
Family
ID=8140280
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK519089A DK163889B3 (en) | 1989-10-19 | 1989-10-19 | SPEED CONTROLLER FOR MOVABLE SUBJECTS, NAMELY SLIDERS OR GATES |
Country Status (1)
Country | Link |
---|---|
DK (1) | DK163889B3 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITPD20070243A1 (en) * | 2007-07-18 | 2009-01-19 | Novoferm Schievano Srl | BRAKING DEVICE PARTICULARLY FOR FIREPROOF DOORS OF THE SLIDING TYPE |
-
1989
- 1989-10-19 DK DK519089A patent/DK163889B3/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DK163889B (en) | 1992-04-13 |
DK519089A (en) | 1991-04-20 |
DK163889C (en) | 1992-09-14 |
DK519089D0 (en) | 1989-10-19 |
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