NO166165B - Behandlingskateter til fjerning resp. utvidelse av forsnevringer i kar som foerer legemsvaesker. - Google Patents
Behandlingskateter til fjerning resp. utvidelse av forsnevringer i kar som foerer legemsvaesker. Download PDFInfo
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- NO166165B NO166165B NO83832675A NO832675A NO166165B NO 166165 B NO166165 B NO 166165B NO 83832675 A NO83832675 A NO 83832675A NO 832675 A NO832675 A NO 832675A NO 166165 B NO166165 B NO 166165B
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- 239000004449 solid propellant Substances 0.000 claims description 12
- 238000004880 explosion Methods 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 7
- 206010041662 Splinter Diseases 0.000 claims description 6
- 238000004898 kneading Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 3
- 208000031481 Pathologic Constriction Diseases 0.000 abstract 1
- 210000004204 blood vessel Anatomy 0.000 abstract 1
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M25/1011—Multiple balloon catheters
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22051—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with an inflatable part, e.g. balloon, for positioning, blocking, or immobilisation
- A61B2017/22054—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with an inflatable part, e.g. balloon, for positioning, blocking, or immobilisation with two balloons
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22082—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for after introduction of a substance
- A61B2017/22084—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for after introduction of a substance stone- or thrombus-dissolving
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M2025/1043—Balloon catheters with special features or adapted for special applications
- A61M2025/1052—Balloon catheters with special features or adapted for special applications for temporarily occluding a vessel for isolating a sector
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Child & Adolescent Psychology (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
- Surgical Instruments (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Fodder In General (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Materials For Medical Uses (AREA)
- Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
- Sampling And Sample Adjustment (AREA)
- Optical Measuring Cells (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Stereophonic System (AREA)
- Exchange Systems With Centralized Control (AREA)
- Coating Apparatus (AREA)
Description
Skruepresse til strengpressing for faste drivstoffer.
Det er kjent å bruke skruepresser med enkelt- eller dobbeltgjengige spindler til streng^pressing av faste drivstoffer.
Ved de bare begrenset plastiske faste -drivstoffer frembringer slike spindler imidlertid skrueformede indre spenninger i strengen, som blir frigjort når strengen kommer ut av matrisen og derved omformer strengen på en uønsket og ufordelaktig måte.
Det er også kjent å bruke to- eller trespindelskruer til streng-pressing av faste drivstoffer. Da imidlertid fremstillingen av eksakt symmetriske streng-profiler heller ikke med disse skruepressene er mulig, benyttes matrisekorrekturer. Disse korrekturer må imidlertid bli foretatt på forskjellig måte alt etter typen av drivstoff og etter de benyttede pressebetingelser, noe som medfører at en slik fremstilling av strenger av fast drivstoff blir forholdsvis omfattende og komplisert og av denne grunn heller ikke tilfredsstillende.
For å unngå de ovenfor nevnte ulemper foreslår oppfinnelsen å anvende en skruepresse til streng-pressing av faste drivstoffer, hvor skruespindelen er anordnet begrenset forskyvbart,og blir holdt i arbeidsstilling ved hjelp av en hydraulisk trykkilde hvor skruepressen er kjennetegnet ved at skruespindelen har minst fire gjenger, ved sin fremre ende er utformet som en eksentrisk valse-elteinnretning, og at den blir holdt i sin arbeidsstilling, støttet mot et anslag eller lignende, med et trykk som tilsvarer det maksimalt tillatte arbeidstrykk.
Det blir forutsatt som selvfølgelig at skruespindelen har et gjengetall som tilsvarer diameteren, slik at på den ene side det ønskede antall skruegjenger uten vanskelighet lar seg utforme og bli plassert, på den annen side at skruegjengene i spindelens omkretsretning ikke er plassert i altfor stor avstand fra hverandre.
Som det uten videre fremgår, transporterer en skrue, tilsvarende sitt gjengetall, samtidig et tilsvarende antall ganger i et tverrsnittsplan på jevnt fordelte steder langs omkretsen. En tolv-gjenget skrue f.eks., på tolv steder, hvorved en jevn strøm av det faste drivstoffjblir garantert både i skruespindelområdet og i området til den foran anordnede formgivningsmatrise.
Det oppnås i tillegg en forbedring av de pressede drivstoff strengers kvalitet, når man dessuten fremstiller den forreste del av skruespindelen som en eksentrisk valse-elte-innretning, slik at drivstoffet som kommer ut av den forreste ende av skruegangen, før det går inn i formgivningsmatrisen, blir godt gjennomeltet og jevnt fordelt over omkretsen. Dette skritt har den spesielle hen-sikt å utjevne de indre spenninger som finnes i drivstoffet, henholdsvis fordele dem jevnt i hele drivstoffet.
En videre forbedring av de pressede drivstoffstrengers kvalitet oppnås ved at skruespindelen blir holdt i sin arbeidsstilling, støttet med sin fremre ende mot et anslag eller lignende med et trykk som tilsvarer det maksimale tillatte arbeidstrykk. På denne måten er det mulig å ta med i beregning de trykksvingningene man får under arbeidet på grunn av større eller mindre aksial bevegelse av skruespindelen, med det menes å utjevne trykket, og dermed få en-drivstoffstreng med jevnest mulig tykkelse. En slik an-ordning og utforming av innretningen medfører en ekstra fordel ved øket sikkerhet ved arbeidet med skrupressen, fordi det i hvert fall så lenge skruespindelen ikke har nådd sin bakre sluttstilling, ikke kan opptre en selvantennelse av drivstoffet på grunn av utillatelig høye trykk som forårsaker for høy indre friksjon. Dermed er også vidtgående en vesentlig ulempe ved de kjente metoder for streng-pressing av faste drivstoffer ved hjelp av skruepresser fjernet, ulemper som består i at de inntil nå brukte skruepressene hverken har en tilstrekkelig sikkerhet mot selvantennelse eller en innretning som gir tilstrekkelig beskyttelse ved eventuelle eksplosjoner på grunn av selvantennelse.
Størrelsen av presstrykket i skruepressen blir som kjent bestemt av friksjonsmotstanden til matrisen, som igjen er avhengig av pressmaterialets sammensetning, kvaliteten og fordelingen av smøremidler i pressmaterialet, matrisens overflatebeskaffenhet og den forhåndenværende driftstemperatur. Enhver tilfeldig forandring av en av disse komponentene kan øke matrisens friksjonsmotstand på uønsket eller til og med utillatelig måte og føre til en forstoppning av skruen.
For ved en eventuell slik forstoppning å forhindre at drivstoffet på grunn av den økede friksjonsvarme antennes av seg selv, må skruepressen i løpet av få sekunder bli bragt til en stillstand.
Å bevirke en hurtig automatisk utkobling medfører imidlertid vanske-ligheter, som har sin årsak i pressmaterialets egenskaper og som i det vesentlige består i at ved begrenset, plastiske masser, som f.eks. de faste drivstoffer, føres trykkforandringene bare forsin-ket videre i full styrke og ofte ikke like sterkt i alle retninger. Utkobling og stans av skruepressen ved hjelp av apparater som reagerer på trykkforandringer i pressmaterialet, altså i det faste drivstoff, kan følgelig ikke bli foretatt med tilfredsstillende sikkerhet. Heller ikke bruken av koblingsanordninger som reagerer på økning og minskning av kraftforbruket er tilfredsstillende, da skruepressens kraftforbruk bare på utilfredsstillende måte tilsvarer de virkelige forhold.
For å opprettholde sikkerheten mot selvantennelse også
i tilfelle av et høyt arbeidstrykk over et lengre tidsrom, og en dermed forbundet bevegelse av skruespindelen helt tilbake til den bakre sluttstilling, er det hensiktsmessig å innrette anordningen slik at skruepressen er utstyrt med en sikkerhetsendebryter, som kobler ut eller stanser skruepressen automatisk, umiddelbart før eller når spindelen når sin bakre sluttstilling.
Antall ganger som sikkerhetsendebryteren settes i virk-somhet, eller skruepressen blir stanset, kan bli redusert til et minimum, hvis anordningen og utformingen av innretningen blir gjort slik at skruespindelen blir holdt i sin forreste arbeidsstilling ved hjelp av et trykk som bare ligger noe over det normale, mens den ved forskyvning bakover blir holdt fast ved hjelp av et tiltag-ende høyere trykk, som når spindelens sluttstilling blir nådd, tilsvarer det maksimalt tillatte arbeidstrykk. I motsetning til et kontant trykk til fastholding av spindelen, som omtrent tilsvarer det maksimalt tillatte arbeidstrykk, har man her den fordel at maksimalt tillatt arbeidstrykk bare blir nådd i den siste fase av spindelens forskyvning bakover, dvs. bare i et kort tidsrom. Denne anordningen og utformingen har derved den fordel i motsetning til en, med et over det normale arbeidstrykk, men mer eller mindre langt under det maksimalt tillatte arbeidstrykk, liggende konstant trykk til fastholding av spindelen, at en stans av skruepressen ikke blir utløst bare på grunn av en tilstrekkelig langvarig, men mer eller mindre langt under det maksimalt tillatte arbeidstrykk, liggende arbeidstrykk.
Frembringelsen av et trykk til fastholding av spindelen som tiltar i samme grad som spindelen forskyves bakover, kan på forholdsvis enkel måte utføres mekanisk, f.eks. ved hjelp av fjær-elementer, eller hydraulisk ved tilkobling av et kammer som for-trinnsvis ligger ved skruespindelens bakre område og er utformet av et til spindelen festet flensaktig stempel og det faststående skruehus eller lignende. Strømmen av trykkmediet inn eller ut av< kammeret og dermed det forhåndenværende trykk til fastholding av spindelen kan bli regulert i avhengighet av forskyvningsretningen til skruespindelen eller stemplet, enten direkte ved trykkilden, eller også med et koblingsledd mellom denne og trykkammeret, f.eks. en styrings- eller strupeventil, eventuelt også direk-te av stemplet.
Som en hensiktsmessig videre utforming av oppfinnelsen foreslås at skruespindelen utformes som en hulspindel og ved sin forreste ende mot formgivningsmatrisen er tett lukket med et bruddelement, konstruert for et trykk over det maksimalt tillatte arbeidstrykk, men under et eventuelt eksplosjonstrykk. Det .er her-ved fordelaktig å utforme stengslet som et særskilt bruddelement, som. til erthver tid er utskiftbart.
Med dette skritt blir det i tilfelle av en selvantennelse av drivstoffet, som jo også kan ha andre årsaker enn indre oppvar-ming på grunn av friksjon ved en eventuell forstoppning av skruen, som f.eks. tilstedeværelse av fremmedlegemer i pressmaterialet, til-strebet og oppnådd at stengslet ved den forreste ende av spindelen blir brutt istykker av det tilsvarende trykk,og derved åpnes veien for forbrenningsgassene gjennom skruespindelen uhindret ut i fri luft, slik at følgene av eksplosjonen blir vesentlig redusert.
Det er også medvirkende til sikring av dette forløp
hvis skruespindelen er omgitt av en skruesylinder som på samme måte som skruespindelen, i trykksonens område er konstruert for et trykk som større enn eksplosjonstrykket. I forhold til denne del kan den del av skruesylinderen som omslutter spindelen i det området hvor materialene blir tilført, være fremstilt med liten veggtykkelse.
For alle tilfellers skyld er det hensiktsmessig å omgi skruespindelen med splintsikringsmantel i området over gjengene.
Det er fordelaktig å utstyre denne med hull eller lignende på undersiden, slik at eventuelle forbrenningsgasser uhindret kan trekke ut denne veien, og dermed ikke forårsake uheldige virkninger, spe-sielt hvis hullene munner ut i en fordypning i skruepressens fundament .
Oppfinnelsen er vist på tegningen i et eksempel på utførelse og blir i det følgende nærmere forklart ved hjelp av dette. På tegningen viser:
fig. 1 et aksialt snitt gjennom skruepressen,
fig. 2 et snitt langs linjen A-B i fig. 1 og
fig * 3 et annet tverrsnitt langs linjen C-D i fig. 1.
I den forreste del av den som hulspindel formede skrue-spindel 1, ligger skruegjengene'16 og som forreste stengsel bruddelement 11, mens den bakre ende 17 er åpen. Drivkraften overføres til tannkransen 18 på den bakre del av spindelen, ved hjelp av et tannhjul 19 som sitter på akselen til en ikke vist drivmotor. På den bakre del av spindelen 1 er dessuten festet det flensaktige stempel 20 som sammen med den bakre endeflate 21 til skruepresser-huset, danner trykk-kammeret 5. Dette er over ledningen 22 forbundet med overtrykkventilen 7 og trykkpumpen 6 og over denne igjen med beholderen 23 for trykkmediet. Over shunten 8 er overtrykksventilen 7 dessuten forbundet direkte med beholderen på trykkmediet, som her er montert på skruespindelens splintsikringsmantel 14» I det midtre området av spindelen 1 er det på dens omkrets festet en lagerflens 24, som støtter seg opp mot et ringformet utspring 25 på splintsikringsmantelen 14 og sammen med flensen 20 danner et lagerpar på spindelen 1. Ved hjelp av det forsterkede forreste endestykket 26 til splintsikringsmantelen 14 er formgivningsmatrisen 3 forbundet
med sylinderen 12, som omslutter spindelen 1 og begge holdt fast.
På undersiden av splintsikringsmantelen 14 er hullene 15 anordnet som munner ut i fordypningene 28 i fundamentet 27-
Den forreste ende av spindelen 1 er utformet som en eksentrisk virkende valse-elte-innretning. Bak spindelen 1 er endebryteren 10 anbragt.
Det faste drivstoff 2 blir tilført gjennom trakten
29 og blir i skruegangene l6 transportert mot den forreste ende av spindelen 1, og etter elting i eksentret 4> formet til en streng i matrisen 3» Samtidig blir det ved hjelp av pumpen 6, ført trykk-medium gjennom ledningen 22 inn i trykkammeret 5» slik at stemplet 20 blir trykket mot anslaget 30 på huset med det forutbestemte trykk, eller tilsvarende kraft, og spindelen 1 blir derved holdt fast i sin arbeidsstilling.
Hvis arbeidstrykket, eller den tilsvarende kraft, øker utover trykket- eller kraften som holder spindelen fast, beveger spindelen seg bakover i retning av pilen 9« Derved presses en del av trykkmediet ut av trykkammeret 5 °S ledes over overtrykksventilen 7 og shunten 8 tilbake til forrådsbeholderen 23- Ved et i lengre tid vedvarende forøket arbeidstrykk, når spindelen, som beveger seg bakover, til slutt med sin bakre ende frem til endebryteren 10 og stanser ved hjelp av denne skruepressen slik at all fare for en eventuell antennelse av det faste' drivstoff og følgene derav, blir unngått.
I tilfelle av en antennelse av drivstoffet 2 i området ved formgivningsmatrisen 3> henholdsvis den forreste ende av spindelen, og den dermed forbundne eksplosjon, blir bruddelementet 11 ødelagt og forbrenningsgassene kan dermed gjennom spindelen 1 unn-vike ut i det fri, hvorved faren for en ødeleggelse av skruepressen og andre innretninger;vidtgående blir unngått.
I tilfelle av en antennelse av drivstoff i skruegangene l6 blir ved tilstrekkelig høyt eksplosjonstrykk den tynnveggede bakre del 13 av skruesylinderen ødelagt. De derved unnvikende forbrenningsgassene kan da forholdsvis uhindret ta veien gjennom hullene 15 ned i fordypningen 28 i fundamentet 27 og derfra videre ut i det fri, slik at forbrenningsgassene ikke kan forårsake noen vesentlig skade hverken på,skruepressen eller andre innretninger. Splinter som måtte oppstå ved dette, blir holdt tilbake av splintsikringsmantelen 14 slik at heller ikke disse kan forårsake . uønskede skader.
Claims (5)
1. Skruepresse til strengpressing av faste drivstoffer, hvor skruespindelen er anordnet begrenset aksialt forskyvbart og blir holdt i arbeidsstilling ved hjelp av en hydraulisk trykkilde, karakterisert ved at skruespindelen (1) har minst fire gjenger og ved sin fremre ende er utformet som en eksentrisk valse-elteinnretning (4) > og at den blir holdt i sin arbeidsstilling, støttet med sin fremre ende mot et anslag eller lignende (30), med et trykk som tilsvarer det maksimalt tillatte arbeidstrykk.
2. Skruepresse ifølge krav 1, karakterisert ved at skruespindelen (1) er hult utformet og ved sin fremre ende er tett lukket ved hjelp av bruddelement (11), som er konstruert for et trykk over det maksimalt tillatte arbeidstrykk, men under et eventuelt eksplosjonstrykk.
3. Skruepresse ifølge krav 1 eller 2, karakterisert ved at skruespindelen (1) er omgitt av en skruesylinder (12), som i området ved trykksonen er konstruert for et trykk som er større enn det eventuelle eksplosjonstrykk.
4. Skruepresse ifølge et av kravene 1 til 3, karakterisert ved at skruespindelen (1) i området ved skruegjengene (l6) er omgitt av en splintsikringsmantel (14), som er gjennom-hullet på undersiden, og at hullene (15) munner ut i en fordypning (28) i skruepressens fundament (27)•
5. Skruepresse ifølge et av kravene 1 til 4>karakterisert ved at pressen er utstyrt med en sikkerhetsendebryter (10).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3146459 | 1981-11-24 | ||
DE19823235974 DE3235974A1 (de) | 1981-11-24 | 1982-09-29 | Vorrichtung zur entfernung bzw. zur aufweitung von engstellen in koerperfluessigkeit fuehrenden gefaessen |
PCT/CH1982/000122 WO1983001894A1 (en) | 1981-11-24 | 1982-11-23 | Device for eliminating or expanding strictures in vessels conducting body liquids |
Publications (3)
Publication Number | Publication Date |
---|---|
NO832675L NO832675L (no) | 1983-07-22 |
NO166165B true NO166165B (no) | 1991-03-04 |
NO166165C NO166165C (no) | 1991-06-12 |
Family
ID=25797520
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO83832675A NO166165C (no) | 1981-11-24 | 1983-07-22 | Behandlingskateter til fjerning resp. utvidelse av forsnevringer i kar som foerer legemsvaesker. |
Country Status (14)
Country | Link |
---|---|
US (2) | US4573966A (no) |
EP (1) | EP0080436B1 (no) |
JP (1) | JPS58501983A (no) |
AT (1) | ATE24828T1 (no) |
AU (1) | AU562306B2 (no) |
BR (1) | BR8207993A (no) |
CA (1) | CA1204644A (no) |
DE (2) | DE3235974A1 (no) |
DK (1) | DK337283D0 (no) |
ES (1) | ES8307511A1 (no) |
FI (1) | FI82804C (no) |
MX (1) | MX156228A (no) |
NO (1) | NO166165C (no) |
WO (1) | WO1983001894A1 (no) |
Families Citing this family (451)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4520823A (en) * | 1981-04-03 | 1985-06-04 | Leveen Harry H | Catheter with separable balloons |
DE3406294A1 (de) * | 1984-02-22 | 1985-09-05 | Hubmann, Max, Dr., 8520 Erlangen | Katheter |
EP0177124A3 (en) * | 1984-07-18 | 1987-01-21 | Sumitomo Electric Industries Limited | Catheter |
US5232445A (en) * | 1984-11-23 | 1993-08-03 | Tassilo Bonzel | Dilatation catheter |
US4798588A (en) * | 1984-12-03 | 1989-01-17 | Rene Aillon | Central venous pressure catheter and method for using |
US4807626A (en) * | 1985-02-14 | 1989-02-28 | Mcgirr Douglas B | Stone extractor and method |
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-
1982
- 1982-09-29 DE DE19823235974 patent/DE3235974A1/de not_active Withdrawn
- 1982-11-22 ES ES517777A patent/ES8307511A1/es not_active Expired
- 1982-11-23 AT AT82810500T patent/ATE24828T1/de not_active IP Right Cessation
- 1982-11-23 WO PCT/CH1982/000122 patent/WO1983001894A1/en active IP Right Grant
- 1982-11-23 EP EP82810500A patent/EP0080436B1/de not_active Expired
- 1982-11-23 AU AU91212/82A patent/AU562306B2/en not_active Ceased
- 1982-11-23 DE DE8282810500T patent/DE3275056D1/de not_active Expired
- 1982-11-23 BR BR8207993A patent/BR8207993A/pt not_active IP Right Cessation
- 1982-11-23 JP JP57503349A patent/JPS58501983A/ja active Pending
- 1982-11-23 MX MX195302A patent/MX156228A/es unknown
- 1982-11-24 US US06/444,464 patent/US4573966A/en not_active Expired - Lifetime
- 1982-11-24 CA CA000416242A patent/CA1204644A/en not_active Expired
-
1983
- 1983-06-23 FI FI832323A patent/FI82804C/fi not_active IP Right Cessation
- 1983-07-22 NO NO83832675A patent/NO166165C/no unknown
- 1983-07-22 DK DK3372/83A patent/DK337283D0/da not_active Application Discontinuation
- 1983-07-22 US US06/517,069 patent/US4610662A/en not_active Expired - Lifetime
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FI832323A0 (fi) | 1983-06-23 |
AU562306B2 (en) | 1987-06-04 |
DE3235974A1 (de) | 1983-06-01 |
FI832323L (fi) | 1983-06-23 |
JPS58501983A (ja) | 1983-11-24 |
US4610662A (en) | 1986-09-09 |
DK337283A (da) | 1983-07-22 |
ES517777A0 (es) | 1983-08-16 |
AU9121282A (en) | 1983-06-17 |
CA1204644A (en) | 1986-05-20 |
MX156228A (es) | 1988-07-26 |
BR8207993A (pt) | 1983-10-18 |
DE3275056D1 (en) | 1987-02-19 |
DK337283D0 (da) | 1983-07-22 |
ATE24828T1 (de) | 1987-01-15 |
NO166165C (no) | 1991-06-12 |
EP0080436B1 (de) | 1987-01-14 |
NO832675L (no) | 1983-07-22 |
WO1983001894A1 (en) | 1983-06-09 |
FI82804B (fi) | 1991-01-15 |
ES8307511A1 (es) | 1983-08-16 |
EP0080436A1 (de) | 1983-06-01 |
FI82804C (fi) | 1991-04-25 |
US4573966A (en) | 1986-03-04 |
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