DK147477B - CLOSE TO BOTTLES OR SIMILAR CONTAINERS - Google Patents
CLOSE TO BOTTLES OR SIMILAR CONTAINERS Download PDFInfo
- Publication number
- DK147477B DK147477B DK328282A DK328282A DK147477B DK 147477 B DK147477 B DK 147477B DK 328282 A DK328282 A DK 328282A DK 328282 A DK328282 A DK 328282A DK 147477 B DK147477 B DK 147477B
- Authority
- DK
- Denmark
- Prior art keywords
- sealing body
- container
- capsule
- rim
- gutter
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D51/00—Closures not otherwise provided for
- B65D51/002—Closures to be pierced by an extracting-device for the contents and fixed on the container by separate retaining means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
Description
147477147477
Opfindelsen angår et lukke til infusionsflasker eller lignende beholdere og med et tætningslegeme af et perforerbart, elastisk materiale samt med en ringformet kapsel, der er indrettet til at holde randen af tætningslegemet fastklemt mellem sig og en beholdermundingen omslut-5 tende beholderrand.The invention relates to a closure for infusion bottles or similar containers and with a sealing body of a perforable, resilient material and with an annular capsule arranged to hold the rim of the sealing body between itself and a container mouth surrounding the container rim.
Lukker af denne art, der foruden til infusionsflasker bl.a. også anvendes til injektionsflasker, tjener til at sikre en tæt lukning af beholdermundingen samtidig med, at man kan skaffe sig adgang til beholderens indre ved at perforere det elastiske tætningslegeme, der 10 eksempelvis kan være af gummi eller plast, med en kanyle af en eller anden art. Ved kendte lukker af den ovennævnte type har tætningslegemet en propdel, der er indrettet til at blive ført et stykke ind i beholderåbningen og til at ligge tæt an mod beholderåbningens indre væg, og en flangeformet rand, der i lukkets monterede tilstand af 15 kapslen fastklemmes mod den beholdermundingen omsluttende beholderrand. For at hindre, at tætningslegemet, der i det monterede lukke kun er fastklemt langs sin rand, presses op gennem den ringformede kapsels midteråbning, når der i beholderen opstår et overtryk, fx under autoklavering, eller at tætningslegemet presses ned i 20 flaskehalsen ved gennemstikning med kanyle eller infusionssæt, gives propdelen en forholdsvis stor aksial længde. Endvidere er propdelens underside udformet med en opadhvælvet, nærmest halvkugleformet flade, der i tilfælde af overtryk i beholderens indre skal medvirke til at presse propdelen kraftigere mod de tilgrænsende beholdervægge for 25 derved at modvirke en udpresning af tætningslegemet.Closes of this kind, which in addition to infusion bottles include also used for injection bottles, serves to ensure a tight closure of the container mouth while allowing access to the interior of the container by perforating the resilient sealing body, which may be, for example, of rubber or plastic, with a needle of some kind nature. In known closures of the aforementioned type, the sealing body has a plug member adapted to be inserted a bit into the container opening and to abut close to the inner wall of the container opening, and a flange-shaped rim which is clamped against the capsule-mounted state of the closure. the container mouth enclosing the container rim. In order to prevent the sealing body, which in the assembled closure is only clamped along its rim, it is pressed through the center opening of the annular capsule when an overpressure occurs in the container, for example during autoclaving, or that the sealing body is pressed down into the bottle neck by piercing with cannula or infusion set, the plug portion is given a relatively large axial length. Furthermore, the underside of the plug part is formed with an upwardly curved, almost hemispherical surface, which in case of overpressure in the interior of the container must help to push the plug part more forcefully against the adjacent container walls in order to counteract an extortion of the sealing body.
Den forholdsvis lange propdel bevirker, at der allerede ved isætning af de propformede tætningslegemer i de fyldte infusions- eller injektionsflasker sker en så kraftig kompression af den i flasken eller beholderen tilbageværende luftmængde, at det derved frembragte 30 overtryk får tilbøjelighed til at skyde det propformede legeme helt eller delvis ud af beholdermundingen igen, før tætningslegemet bliver fastgjort ved hjælp af den ringformede kapsel. Dette forhold kan, især når lukkerne monteres i et automatisk arbejdende påfyldnings-og lukkeanlæg, give anledning til alvorlige driftsforstyrrelser.The relatively long plug part means that, when inserting the plug-shaped sealing bodies into the filled infusion or injection bottles, such a strong compression of the amount of air remaining in the bottle or container that the resulting pressure is inclined to shoot the plug-shaped body completely or partially out of the container mouth again before the sealing body is secured by means of the annular capsule. This condition, especially when the shutters are mounted in an automatic working filling and closing system, can cause serious operational disruptions.
147477 2147477 2
Den hvælvede form for propdelens underside, der som nævnt ovenfor er nødvendig for at undgå udpresning af tætningslegemet i tilfælde af væsentlige overtryk i beholderen, er imidlertid uheldig i andre henseender. Propdelens hvælvede form vil nemlig bevirke en forøgelse af 5 den overflade af tætningslegemet, der kan komme i direkte kontakt med beholderindholdet. Dermed forøges også risikoen for forurening af beholderindholdet med partikler eller komponenter, der fx under en autoklavering, især når tætningslegemet er fremstillet af gummi, uundgåeligt vil blive "udvasket" fra den del af tætnings legemets 10 overflade, der er med til at begrænse beholderens indre rum. I mange lande er der strenge begrænsninger for, hvor mange fremmede partikler, der må forekomme i indholdet af infusions- og/eller injektionsflasker, og det er derfor ønskeligt at reducere arealet af den del af tætnings legemet, der kan komme i berøring med beholderindholdet, til 15 et minimum.However, the vaulted shape of the underside of the plug member, as mentioned above, is necessary to avoid squeezing the sealing body in case of significant overpressure in the container, is unfortunate in other respects. Namely, the vaulted shape of the plug portion will cause an increase of the surface of the sealing body which may come into direct contact with the container contents. This also increases the risk of contamination of the container contents with particles or components which, for example, during an autoclaving, especially when the sealing body is made of rubber, will inevitably be "washed out" from the part of the surface of the sealing body 10 which helps to restrict the interior of the container. room. In many countries, there are strict restrictions on how many foreign particles may be present in the contents of infusion and / or vials, and it is therefore desirable to reduce the area of the portion of the sealing body that may come into contact with the container contents, to 15 a minimum.
Ved opfindelsen er der blevet tilvejebragt et lukke af den ovenfor angivne art, ved hvilken de ovenfor angivne ulemper kan elimineres eller reduceres, idet længden af tætningslegemets propdel kan reduceres til et minimum og eventuelt helt elimineres, og hvor den del af 20 tætningslegemets underside, der kan komme i berøring med beholderens indhold, kan gives en flad eller i hovedsagen plan form.In the invention, there has been provided a closure of the above-mentioned type, in which the above-mentioned drawbacks can be eliminated or reduced, the length of the sealing body portion being reduced to a minimum and possibly completely eliminated, and the part of the underside of the sealing body which may come into contact with the contents of the container, may be given a flat or generally planar shape.
Lukket ifølge opfindelsen er ejendommeligt ved, at den inderste kapselrand i lukkets monterede tilstand er bukket aksialt indefter og ligger an mod en radialt indefter rettet flade i en i tætningslegemets 25 overside udformet fordybning.The closure according to the invention is characterized in that the inner capsule rim in the mounted condition of the closure is bent axially inwardly and abuts a radially inwardly directed surface in a recess formed in the upper side of the sealing body 25.
Hvis der, fx under autoklavering, opstår et overtryk i beholderen, og tætningslegemet derfor bringes til at bule udefter, vil de radialt rettede trækspændinger, der derved opstår i tætningslegemet, blive optaget af den indadbukkede kapselrand, hvorved det hindres, at 30 tætningslegemets rand trækkes ud fra mellemrummet mellem kapslen og beholderranden. Den derved tilvejebragte ekstra fastlåsning af tætningslegemet gør det muligt at reducere længden af propdelen og eventuelt helt at udelade denne. Endvidere kan undersiden af tætningslegemet udformes som en i hovedsagen plan flade, hvorved 147477 3 risikoen for kontaminering af beholderindholdet formindskes som følge af det reducerede overfladeareal.If, for example, during autoclaving, an overpressure occurs in the container and the sealing body is consequently made to bulge outwardly, the radially directed tensile stresses thus created in the sealing body will be absorbed by the inwardly bent capsule edge, thereby preventing the edge of the sealing body from being pulled. from the gap between the capsule and the container rim. The extra locking of the sealing body thus provided makes it possible to reduce the length of the plug part and possibly to completely omit it. Furthermore, the underside of the sealing body can be designed as a substantially planar surface, thereby reducing the risk of contamination of the container contents due to the reduced surface area.
Tætningslegemets radialt indadrettede flade, mod hvilken kapselranden ligger an, kan eventuelt bestå af flere adskilte delflader, som med 5 indbyrdes perifere afstande er anbragt langs tætningslegemets rand, og den inderste kapsel rand kan da være opdelt i et tilsvarende antal flige eller fingre, som er bukket i indgreb med hver sin af disse delflader. Ved den foretrukne udførelsesform er den radialt indad rettede flade i fordybningen dog rundtgående, idet man derved opnår 10 den bedste sikring mod udtrækning af tætnings legemets rand fra mellemrummet med kapslen og beholderranden.The radially inwardly facing face of the sealing body against which the capsule rim abuts may optionally consist of several separate sub-surfaces arranged at 5 mutually spaced distances along the edge of the sealing body, and the inner capsule rim may then be divided into a corresponding number of tabs or fingers which are bent into engagement with each of these sub faces. However, in the preferred embodiment, the radially inwardly facing surface of the recess is circumferential, thereby providing the best protection against extracting the edge of the sealing body from the gap with the capsule and the container rim.
Fordybningen i oversiden af tætningslegemet kan eksempelvis have form af en central fordybning, hvis perifere, fortrinsvis cirkulære sidevæg danner den radialt indefter vendende flade, der normalt er 15 hovedsagen cylindrisk eller konisk, men som også kan have en anden buet eller kantet form.The recess in the upper side of the sealing body may, for example, take the form of a central recess whose peripheral, preferably circular side wall, forms the radially inwardly facing surface which is usually substantially cylindrical or conical, but which may also have a different curved or angular shape.
Man kan imidlertid opnå en særlig kraftig sammenlåsning mellem den inderste kapselrand og tætningslegemet derved, at fordybningen kan have form af en rende, og at der i kapslens inderste rand er udfor-20 met en tilsvarende rende, hvis vægge stramt er optaget i den rende-formede fordybning i tætningslegemet.However, a particularly strong interlock can be achieved between the inner capsule rim and the sealing body, in that the depression may take the form of a gutter, and a corresponding gutter is formed in the inner rim of the capsule, the walls of which are tightly accommodated in the gutter. shaped recesses in the sealing body.
Den del af tætningslegemet, der ligger ud for beholderåbningen, har som nævnt ovenfor fortrinsvis en i hovedsagen plan underside, idet man derved kan formindske risikoen for kontaminering af beholderind-25 holdet. Hvis man lægger mindre vægt på dette forhold, kan undersiden af tætningslegemet om ønsket i stedet gives en anden form, fx en opadhvælvet form som ved de kendte lukker, idet man derved kan formindske tykkelsen af den del af tætningslegemet, der skal perforeres, når beholderindholdet skal udtages. En lignende effekt opnås 30 imidlertid, når tætningslegemet som nævnt ovenfor har en i oversiden udformet central fordybning. Hvis den fordybning, med hvilken den inderste kapselrand indgriber, har form af en rundtgående rende, kan der i oversiden af tætningslegemet i dennes centrale del være 147477 4 udformet én eller flere fordybninger på de steder, hvor kanylen eller kanylerne skal fpres gennem tætningslegemet.The portion of the sealing body adjacent to the container opening has, as mentioned above, preferably a substantially planar underside, thereby reducing the risk of contamination of the container contents. If less weight is given to this ratio, the underside of the sealing body may, if desired, instead be given a different shape, for example an upwardly shaped shape as in the known closures, thereby reducing the thickness of the part of the sealing body to be perforated when the container contents. must be taken out. However, a similar effect is obtained when, as mentioned above, the sealing body has a central depression formed in the upper side. If the recess with which the inner capsule rim engages is in the form of a circumferential groove, one or more recesses may be formed in the upper side of the sealing body in its central portion at the places where the cannula or cannula is to be pressed through the sealing body.
Opfindelsen vil i det følgende blive nærmere forklaret under henvisning til tegningen, på hvilken 5 fig. 1 viser set fra siden og delvis i snit halsen af en beholder eller t flaske, der er forsynet med et lukke af kendt konstruktion, fig. 2 viser set fra siden og delvis i snit halsen af en beholder eller flaske, der er forsynet med en første udførelsesform for lukket ifølge opfindelsen, og 10 fig. 3 viser set fra siden og delvis i snit halsen af en beholder eller flaske, der er forsynet med en anden udførelsesform for lukket ifølge opfindelsen.The invention will be explained in more detail below with reference to the drawing, in which: FIG. 1 is a side view, partly in section, of the neck of a container or bottle fitted with a closure of known construction; FIG. Figure 2 is a side view, partly in section, of the neck of a container or bottle provided with a first embodiment of the closure according to the invention; 3 is a side view, partly in section, of the neck of a container or bottle provided with another embodiment of the closure according to the invention.
På tegningen er der vist en flaske eller beholderhals 10 hørende fx til en infusions- eller injektionsflaske. Den af beholderhalsen afgrænsede 15 beholderåbning 11 er lukket ved hjælp af et lukke 12, der består af et propformet tætningslegeme 13 af gummi, blød plast eller et andet perforerbart elastisk materiale. Tætningslegemet har en propdel 14, der indgriber i beholderhalsen 10, og en flangeformet randdel 15, der ligger an mod beholderhalsens overside 16. En ringformet kapsel 17 af 20 metal, såsom aluminium, eller et andet passende materiale fastholder tætnende tætningslegemet 13 i beholderåbningen, idet kapslens øverste del 18 ligger an mod tætningslegemet 13's overside, medens kapslen 17's nederste randdel 19 er bukket ind under en på beholderhalsen 11 udformet vulst 20.In the drawing, a bottle or container neck 10 belonging to, for example, an infusion or injection bottle is shown. The container opening 11 delimited by the container neck 11 is closed by a closure 12 consisting of a plug-shaped sealing body 13 of rubber, soft plastic or other perforable elastic material. The sealing body has a plug portion 14 which engages the container neck 10, and a flanged rim portion 15 abutting the upper side of the container neck 16. An annular capsule 17 of 20 metal, such as aluminum, or other suitable material retains the sealing body 13 in the container opening, the upper portion 18 of the capsule abuts the upper side of the sealing body 13, while the lower edge portion 19 of the capsule 17 is bent under a bead 20 formed on the container neck 11.
25 Ved den i fig. 1 viste kendte konstruktion har propdelen 14 en forholdsvis stor aksial længde, hvilket vil sige, at tætningslegemet 13 rager et forholdsvis langt stykke ind i beholderhalsen 10. For alligevel at opnå en forholdvis lille vægtykkelse i tætningslegemet 13's centrale del, så at perforeringen af tætningslegemet lettes, og for at 30 gøre lukket bedre egnet til at modstå et overtryk i beholderens indre, er propdelen 14's underside ved den kendte konstruktion givet en stærkt hvælvet form, så at der på undersiden af propdelen dannes en i hovedsagen halvkugleformet flade 21. Som det umiddelbart fremgår af fig. 1, betyder dette, at beholderens indhold vil kunne komme 147477 5 i kontakt med et forholdsvis stort overfladeareal af tætningslegemet 13, hvilket som forklaret ovenfor kan være uheldigt.25 In the embodiment of FIG. 1, the plug member 14 has a relatively large axial length, that is, the sealing body 13 projects a relatively long distance into the container neck 10. In order to obtain a relatively small wall thickness in the central part of the sealing body 13, so that the perforation of the sealing body is facilitated. and, in order to make the closure more suitable to withstand an overpressure in the interior of the container, the underside of the plug member 14, in the known construction, is given a strongly vaulted shape so that a substantially hemispherical surface 21 is formed on the underside of the plug member. shown in FIG. 1, this means that the contents of the container may come into contact with a relatively large surface area of the sealing body 13, which as explained above may be unfortunate.
Ved de i fig. 2 og 3 viste udførelsesformer for lukket ifølge opfindelsen har den propformede del 14 en forholdsvis lille aksial længde, 5 og propdelens underside 22 er i hovedsagen plan, eventuelt let hvælvet. Det overfladeareal af tætningslegemet 13, der kan komme i direkte kontakt med beholderens indhold, bliver derved væsentligt formindsket, og denne plane form giver de bedst mulige betingelser for en eventuel lakering eller anden overfladebehandling af proppens 10 underside, hvorved risikoen for, at fremmede stoffer fra tætningslegemet overføres til beholderindholdet, yderligere formindskes.In the FIG. 2 and 3 of the closure according to the invention, the plug-shaped part 14 has a relatively small axial length, 5 and the underside 22 of the plug part is generally flat, possibly slightly arched. The surface area of the sealing body 13 which can come into direct contact with the contents of the container is thereby substantially reduced, and this planar shape provides the best possible conditions for possible lacquering or other surface treatment of the underside of the plug 10, thereby reducing the risk of foreign substances from the sealing body is transferred to the container contents, further diminished.
For at hindre, at tætningslegemet 13 ved de i fig. 2 og 3 viste udførelsesformer presses ud gennem den centrale åbning i kapslen 17, hvis der, fx under autoklavering, opstår et overtryk i beholderen, 15 eller at tætningslegemet presses ned i beholderhalsen ved gennemstik-ning med en kanyle, er kapslens indre rand 23 udformet således, at den ligger an mod en radialt indefter vendende flade 24 udformet på oversiden af tætningslegemet 13, hvorved kapselranden 23 kan optage de radialt rettede trækkræfter, der ved et overtryk i beholderen 20 frembringes i tætningslegemet 13, så at det hindres, at tætningslegemets randdel 15 trækkes ud af mellemrummet mellem beholderhalsens overside 16 og kapseldelen 18. Ved den i fig. 2 viste udførelsesform danner fladen 24 den yderste perifere væg af en i tætnings legemet 13's overside udformet rende 25, og der er i kapseldelens indre rand 25 23 udformet en tilsvarende rendeformet ribbe 26, som tæt er optaget i renden 25. For at lette perforeringen af tætningslegemet 13 kan der i oversiden af dette yderligere være udformet fordybninger 27, som angiver, hvor en perforering af tætningslegemet skal finde sted, når indholdet af beholderen skal udtages gennem en kanyle.In order to prevent the sealing body 13 at the position shown in FIG. 2 and 3 are pushed out through the central opening in the capsule 17, if, for example during autoclaving, an overpressure occurs in the container 15 or if the sealing body is pressed down into the container neck by piercing with a cannula, the inner edge 23 of the capsule is formed. such that it abuts on a radially inwardly facing surface 24 formed on the upper side of the sealing body 13, whereby the capsule rim 23 can absorb the radially directed pulling forces which are produced by an overpressure in the container 20 in the sealing body 13, so as to prevent the edge portion of the sealing body. 15 is pulled out of the space between the upper side 16 of the container neck and the cap portion 18. In the embodiment shown in FIG. 2, the surface 24 forms the outer peripheral wall of a gutter 25 formed in the upper side of the sealing body 13, and a corresponding gutter 26 is formed in the inner rim 25 of the capsule part, which is tightly accommodated in the gutter 25. the sealing body 13 may be further formed in the upper side thereof to indicate where a perforation of the sealing body is to take place when the contents of the container are to be removed through a cannula.
30 Ved den i fig. 3 viste udførelsesform danner den radialt indefter vendende flade 24 den perifere sidevæg for en i tætningslegemet 13's overside udformet central fordybning 28, og kapslens indre rand 23 er så bukket ind i denne fordybning således, at den ligger tæt an mod fladen 24.30 In the embodiment of FIG. 3, the radially inwardly facing surface 24 forms the peripheral sidewall of a central recess 28 formed in the upper side of the sealing body 13, and the inner edge 23 of the capsule is then bent into this recess so that it abuts against the surface 24.
Claims (3)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK328282A DK147477C (en) | 1982-07-21 | 1982-07-21 | CLOSE TO BOTTLES OR SIMILAR CONTAINERS |
| EP19830902250 EP0114845A1 (en) | 1982-07-21 | 1983-07-21 | A closure for a container, such as an infusion bottle |
| PCT/DK1983/000073 WO1984000530A1 (en) | 1982-07-21 | 1983-07-21 | A closure for a container, such as an infusion bottle |
| AU17751/83A AU1775183A (en) | 1982-07-21 | 1983-07-21 | A closure for a container, such as an infusion bottle |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK328282A DK147477C (en) | 1982-07-21 | 1982-07-21 | CLOSE TO BOTTLES OR SIMILAR CONTAINERS |
| DK328282 | 1982-07-21 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DK328282A DK328282A (en) | 1984-01-22 |
| DK147477B true DK147477B (en) | 1984-08-27 |
| DK147477C DK147477C (en) | 1985-03-25 |
Family
ID=8121164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK328282A DK147477C (en) | 1982-07-21 | 1982-07-21 | CLOSE TO BOTTLES OR SIMILAR CONTAINERS |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0114845A1 (en) |
| AU (1) | AU1775183A (en) |
| DK (1) | DK147477C (en) |
| WO (1) | WO1984000530A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT212629Z2 (en) * | 1987-07-02 | 1989-07-23 | Gen Plastics Srl | HERMETICALLY CLOSED COMPOSITE CAP TO OBTAIN, EXTEMPORARY SOLUTION OF A POWDER IN A LIQUID SOLVENT WITH A CONTAINER |
| IT215743Z2 (en) * | 1989-03-03 | 1990-11-05 | Instrumentation Lab Spa | SAMPLE CUVET WITH WELDED CAP. |
| CA2130129A1 (en) * | 1993-09-10 | 1995-03-11 | Martin Walter Ellenberger | Closure having an array of piercable places |
| DE4415679A1 (en) * | 1994-05-04 | 1995-12-21 | Hoechst Ag | Tamper-evident cap for injection and infusion bottles |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2072853A (en) * | 1934-12-01 | 1937-03-09 | Donald E Baxter | Closure |
| DK101733C (en) * | 1957-04-05 | 1965-05-17 | Erich Dipl Ing Golde | Bottle cap. |
| US3071274A (en) * | 1961-04-04 | 1963-01-01 | West Co | Cap structure for bottles |
| US3443713A (en) * | 1966-12-21 | 1969-05-13 | John Kosar | Cornered blanks for closure caps,liners,washers,etc.,plus method of blanking and forming the blanks and utilizing the corners thereof |
| BE794248A (en) * | 1972-02-22 | 1973-05-16 | Baxter Laboratories Inc | IMPROVEMENTS TO STERILE CLOSURES FOR SOLUTION BOTTLES OR VIALS |
| NO150234C (en) * | 1977-05-09 | 1984-09-12 | Asicomo As | Capsule-shaped closure for container opening and method of making the closure |
| JPS5829939U (en) * | 1981-08-24 | 1983-02-26 | 武田薬品工業株式会社 | Rubber stopper for vial |
-
1982
- 1982-07-21 DK DK328282A patent/DK147477C/en active
-
1983
- 1983-07-21 EP EP19830902250 patent/EP0114845A1/en not_active Withdrawn
- 1983-07-21 WO PCT/DK1983/000073 patent/WO1984000530A1/en unknown
- 1983-07-21 AU AU17751/83A patent/AU1775183A/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| AU1775183A (en) | 1984-02-23 |
| DK328282A (en) | 1984-01-22 |
| WO1984000530A1 (en) | 1984-02-16 |
| DK147477C (en) | 1985-03-25 |
| EP0114845A1 (en) | 1984-08-08 |
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