NO157028B - Fremgangsmte og apparat for anlegning av mleputene i en loggesonde mot borehullsveggen. - Google Patents
Fremgangsmte og apparat for anlegning av mleputene i en loggesonde mot borehullsveggen. Download PDFInfo
- Publication number
- NO157028B NO157028B NO823035A NO823035A NO157028B NO 157028 B NO157028 B NO 157028B NO 823035 A NO823035 A NO 823035A NO 823035 A NO823035 A NO 823035A NO 157028 B NO157028 B NO 157028B
- Authority
- NO
- Norway
- Prior art keywords
- sonde
- sole
- measuring
- ski
- plastic
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 6
- 239000004033 plastic Substances 0.000 claims description 13
- 229920003023 plastic Polymers 0.000 claims description 13
- 239000002245 particle Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 239000011148 porous material Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 230000000295 complement effect Effects 0.000 claims description 2
- 238000004090 dissolution Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 239000002904 solvent Substances 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 238000005755 formation reaction Methods 0.000 abstract 1
- 238000011835 investigation Methods 0.000 abstract 1
- 238000005259 measurement Methods 0.000 abstract 1
- 238000005461 lubrication Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 5
- 229910002012 Aerosil® Inorganic materials 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- -1 polyethylene Polymers 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- 235000002639 sodium chloride Nutrition 0.000 description 4
- 239000011780 sodium chloride Substances 0.000 description 4
- 239000011269 tar Substances 0.000 description 3
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 1
- 229920003347 Microthene® Polymers 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000011280 coal tar Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000003380 propellant Substances 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 230000009974 thixotropic effect Effects 0.000 description 1
- 235000021122 unsaturated fatty acids Nutrition 0.000 description 1
- 150000004670 unsaturated fatty acids Chemical class 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/02—Determining slope or direction
- E21B47/026—Determining slope or direction of penetrated ground layers
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1014—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well
- E21B17/1021—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well with articulated arms or arcuate springs
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V11/00—Prospecting or detecting by methods combining techniques covered by two or more of main groups G01V1/00 - G01V9/00
- G01V11/002—Details, e.g. power supply systems for logging instruments, transmitting or recording data, specially adapted for well logging, also if the prospecting method is irrelevant
- G01V11/005—Devices for positioning logging sondes with respect to the borehole wall
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S367/00—Communications, electrical: acoustic wave systems and devices
- Y10S367/911—Particular well-logging apparatus
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Geochemistry & Mineralogy (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Geophysics And Detection Of Objects (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
- Dowels (AREA)
- Turning (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Magnetic Heads (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Printing Elements For Providing Electric Connections Between Printed Circuits (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Walking Sticks, Umbrellas, And Fans (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Drilling Tools (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Recording Measured Values (AREA)
Description
Fremgangsmåte til fremstilling av en skisåle av plast.
Denne oppfinnelse vedrører en fremgangsmåte til fremstilling av en skisåle av plast hvor det til plastmaterialet tilsettes i passende fordelt tilstand partikler i form av et fast stoff som ikke er oppløselig i selve sålematerialet, men som er oppløselig på annen måte med et oppløsningsmiddel.
Skisåler av plast er blitt innført for å
oppnå såler med høy slitestyrke. Særlig til slalåmski og hoppski har man brukt poly-etylenplast, som har en meget lav friksjonskoeffisient overfor sne ved alle temperaturer, og som derfor glir godt under
alle føreforhold. Årsaken til denne lave friksjonskoeffisient er polyetylenets upolare karakter, som altså til denne art ski vil være meget gunstig. Til turski og langrennski er imidlertid polyetylensåler min-dre gunstige, fordi den upolare karakter også bevirker at skismørning ikke vil hefte tilstrekkelig til sålen. Vanlige plastbelegg er derfor ikke egnet til turski og langrennski. Optimale glideegenskaper ved hjelp av en upolar overflate har ikke vært for-enlig med det krav som stilles til turski og langrennski at de skal kunne holde på
smøringssjiktet for å hindre at skiene glip-per. Det kan riktignok oppnåes en viss for-bedring ved å benytte herdeplaster av epok-sytypen og polyestertypen, som er av litt mer polar karakter, og å rue disse opp i overflaten.
Den foreliggende oppfinnelse tar sikte
på å oppnå en fremgangsmåte til å fremstille ski med plastsåle med forbedrede smør-ingsegenskaper og samtidig med tilstrekkelig slitestyrke, og dette er oppnådd ifølge
oppfinnelsen ved at plastsålens underside utformes med blottlagte partikler for å tillate åpen poredannelse bare på sålens underside ved passende oppløsning av de blottlagte partikler, mens innenforliggende, ennå innleirete partikler som ennå utfyller plastmaterialet, kan blottlegges ved slitasje eller avslipning for å oppnå ytterligere åpen poredannelse ved ski-sålens underside.
Ved bruk av fibre, avlange krystaller eller flakformete partikler for dannelse av porene, vil det i enkelte tilfelle være fordelaktig å sørge for at disse er orientert i visse retninger, for eksempel i skienes lengderetning. Dette kan oppnås til en viss grad ved mekanisk utstrykning, men kan også være fordelaktig å oppnå slik orientering ved hjelp av elektriske eller magnetiske felter.
I de fleste tilfelle vil det være å fore-trekke at skisålene markedsføres først etter svak avslipnng av det ytterste sjikt, for å fjerne den lukkede hud som danner seg, f. eks, ved støpning. Slik etterbehandling vil imidlertid ofte være gunstig også av andre grunner, f. eks. for å fjerne små ujevn-heter oppstått under støpingen.
Oppfinnelsen skal nå illustreres ved hjelp av noen eksempler på forskjellige måter til å fremstille skisåler ifølge oppfinnelsen.
Eksempel L
Det ble fremstilt følgende blanding:
100 vektsdeler «Epicote 816».
100 vektsdeler «Versamid 125».
50 vektsdeler «Orgol tar».
2 vektsdeler «Aerosil». 200 vektsdeler finkornet koksalt.
«Epicote 816» er en epoksyharpiks frem-stillet av epiklorhydrin og difenylolpropan med epoksyekvivalent 185—215, «Versamid 125» er et handelsnavn for polyamider som er fremstilt ved kondensasjon av di- og trimeriserte umettete fettsyrer med lav-molekylære polyamider, «Orgol tar» er en stenkulltjære og «Aerosil» er en høydispers kiselsyre, «Versamid 125» reagerer med «Epicote 816» gjennom polyaddisjon til en sterkt fornettet herdeplast, og «Aerosil» tjener som tilsetning for å gi en tixotrop blanding.
Blandingen ble påført mekanisk på undersiden av ski til dannelse av en såle, og etter utherding ble sålen slipt og vasket med vann for utvasking av koksalt. Det ble oppnådd en såle med god evne til å oppta og fastholde skismørning.
Istedenfor koksalt kan den angitte mengde koksalt erstattes av 80 vektsdeler fint sukker, men i så fall må man sørge for at utherdningen foregår ved såpass lav temperatur at ikke sukkeret smelter i sitt krystallvann. Eksempel 2.
Det ble fremstilt følgende blanding: 100 vektsdeler «Epicote 816». 100 vektsdeler «Versamid 125». 50 vektsdeler «Orgol tar». 2 vektsdeler «Aerosil». 2 vektsdeler «Genitron AZDN». «Genitron AZDN» er azoisobutyronitril, som brukes som oppskummingsmiddel (drivmiddel). Blandingen ble oppvarmet langsomt slik at utherdingen var kommet så langt at massen var ganske viskøs da azobutyronitril begynte å spaltes (103— 140° C) under dannelse av nitrogen. Massen ble påstrøket på undersiden av ski til dannelse av en såle. Under påtrykkingen passet man på å stryke overveiende i ski-
enes lengderetning, så at gassporene ble langstrakte.
Etter sliping ble det oppnådd en silke-aktig overflate som hadde god evne til å fastholde skismøring, f. eks. klister. Eksempel 3.
100 vektsdeler «Microthene 727 — 25» med spesifikk vekt 0,933, som er et poly-etylenpulver, ble blandet godt sammen, og deretter pålagt i et jevnt lag på et tett-vevet bomullsstoff. Denne blanding ble sintret i en tykkelse på 1,5 mm, og det oppnådde plateformede materiale ble deretter laminert som såle på ski. Det ble oppnådd en såle som etter utvaskning oppviste en meget god evne til å fastholde skismør-ing.
I dette tilfelle kan det sintres til en tykkelse på mellom 0,5 og 2,5 mm. Lami-neringen kan foretas på i og for seg vel-kjent måte.
Claims (1)
- Fremgangsmåte til fremstilling av en skisåle av plast hvor det til plastmaterialet tilsettes i passende fordelt tilstand partikler i form av et fast stoff som ikke er opp-løselig i selve sålematerialet, men som er oppløselig på annen måte med et oppløs-ningsmiddel, karakterisert ved at plastsålens underside utformes med blottlagte partikler for å tillate åpen poredannelse bare på sålens underside ved passende oppløsning av de blottlagte partikler, mens innenforliggende, ennå innleirete partikler som ennå utfyller plastmaterialet, kan blottlegges ved slitasje eller avslipning for å oppnå ytterligere åpen poredannelse ved skisålens underside.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8117065A FR2512488A1 (fr) | 1981-09-09 | 1981-09-09 | Procede et dispositif de diagraphie utilisant une sonde equipee de patins de mesure |
Publications (3)
Publication Number | Publication Date |
---|---|
NO823035L NO823035L (no) | 1983-03-10 |
NO157028B true NO157028B (no) | 1987-09-28 |
NO157028C NO157028C (no) | 1988-01-06 |
Family
ID=9261998
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO823035A NO157028C (no) | 1981-09-09 | 1982-09-08 | Fremgangsmte og apparat for anlegning av mleputene i en loggesonde mot borehullsveggen. |
Country Status (16)
Country | Link |
---|---|
US (2) | US4614250A (no) |
EP (1) | EP0074317B1 (no) |
JP (1) | JPS58174883A (no) |
AT (1) | ATE38079T1 (no) |
AU (2) | AU555428B2 (no) |
BR (1) | BR8205248A (no) |
CA (1) | CA1176972A (no) |
DE (1) | DE3279126D1 (no) |
EG (1) | EG15276A (no) |
ES (1) | ES515504A0 (no) |
FR (1) | FR2512488A1 (no) |
GR (1) | GR77007B (no) |
MX (1) | MX151508A (no) |
NO (1) | NO157028C (no) |
OA (1) | OA07208A (no) |
TR (1) | TR22000A (no) |
Families Citing this family (49)
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FR2512488A1 (fr) * | 1981-09-09 | 1983-03-11 | Schlumberger Prospection | Procede et dispositif de diagraphie utilisant une sonde equipee de patins de mesure |
US4715469A (en) * | 1985-08-29 | 1987-12-29 | Petrophysical Services, Inc. | Borehole seismic receiver |
FR2591756B1 (fr) * | 1985-12-16 | 1988-05-13 | Commissariat Energie Atomique | Sonde sismique notamment utilisable dans un puits de forage non tube |
US4784238A (en) * | 1986-07-14 | 1988-11-15 | Western Atlas International, Inc. | Large diameter borehole apparatus |
US4757873A (en) * | 1986-11-25 | 1988-07-19 | Nl Industries, Inc. | Articulated transducer pad assembly for acoustic logging tool |
FR2611919B1 (fr) * | 1987-03-05 | 1989-06-16 | Schlumberger Prospection | Sonde de diagraphie equipee de patins de mesure a large champ d'observation angulaire |
FR2622303B1 (fr) * | 1987-10-27 | 1990-03-02 | Schlumberger Prospection | Procede et dispositif pour la detection de vibrations acoustiques dans un puits |
FR2643465B1 (fr) * | 1989-02-20 | 1991-05-24 | Schlumberger Prospection | Procede et dispositif pour mesurer la resistivite des formations geologiques |
US4950995A (en) * | 1989-03-31 | 1990-08-21 | Marathon Oil Company | Method of treating a well bore in connection with electric logging of subsurface formation |
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US4979585A (en) * | 1989-10-02 | 1990-12-25 | Halliburton Logging Services, Inc. | Compound suspension linkage |
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US3167707A (en) * | 1960-12-29 | 1965-01-26 | Seismograph Service Corp | Well logging apparatus having laterally shiftable wall engageable electrode supports |
USRE32070E (en) * | 1961-08-31 | 1986-01-21 | Schlumberger Technology Corp. | Borehole apparatus for investigating subsurface earth formations including a plurality of pad members and means for regulating the bearing pressure thereof |
FR1306134A (fr) * | 1961-08-31 | 1962-10-13 | Schlumberger Prospection | Perfectionnements aux sondes à patins employées en géophysique |
US3510757A (en) * | 1966-09-01 | 1970-05-05 | Schlumberger Technology Corp | Formation dip measuring methods and apparatus using induction coils |
FR1549531A (no) * | 1967-11-02 | 1968-12-13 | Schlumberger Prospection | |
US3474541A (en) * | 1968-05-27 | 1969-10-28 | Schlumberger Technology Corp | Well-calipering apparatus |
US3978939A (en) * | 1971-05-24 | 1976-09-07 | Schlumberger Technology Corporation | Acoustic well logging methods and apparatus |
US3798966A (en) * | 1972-08-29 | 1974-03-26 | Schlumberger Technology Corp | Well logging sonde having articulated centering and measuring shoes |
US3915229A (en) * | 1974-04-09 | 1975-10-28 | Schlumberger Technology Corp | Well tool centralizer |
US4348748A (en) * | 1974-12-30 | 1982-09-07 | Schlumberger Technology Corporation | Dipmeter displacement processing technique |
JPS5213762A (en) * | 1975-07-23 | 1977-02-02 | Hitachi Ltd | Multi-phase function generating circuit |
SU726315A1 (ru) * | 1976-10-11 | 1980-04-05 | Всесоюзный научно-исследовательский институт нефтепромысловой геофизики | Устройство дл прижати геофизических датчиков к стенкам скважины |
FR2394097A1 (fr) * | 1977-06-10 | 1979-01-05 | Schlumberger Prospection | Reseau d'electrodes pour dispositif de diagraphie et dispositif de diagraphie en comportant application |
FR2395516A1 (fr) * | 1977-06-24 | 1979-01-19 | Schlumberger Prospection | Procede et dispositif pour l'exploration des sondages |
US4171031A (en) * | 1977-10-03 | 1979-10-16 | Dresser Industries, Inc. | Well logging instrument guide apparatus |
AU528693B2 (en) * | 1977-11-24 | 1983-05-12 | Sundstrand Data Control, Inc. | Plotting borehole coordinates |
US4292589A (en) * | 1979-05-09 | 1981-09-29 | Schlumberger Technology Corporation | Eddy current method and apparatus for inspecting ferromagnetic tubular members |
US4399692A (en) * | 1981-01-13 | 1983-08-23 | Sundstrand Data Control Group | Borehole survey apparatus utilizing accelerometers and probe joint measurements |
FR2512488A1 (fr) * | 1981-09-09 | 1983-03-11 | Schlumberger Prospection | Procede et dispositif de diagraphie utilisant une sonde equipee de patins de mesure |
US4600887A (en) * | 1984-04-18 | 1986-07-15 | Mobil Oil Corporation | Microwave electromagnetic borehole dipmeter |
-
1981
- 1981-09-09 FR FR8117065A patent/FR2512488A1/fr active Granted
-
1982
- 1982-09-01 AU AU87921/82A patent/AU555428B2/en not_active Ceased
- 1982-09-02 DE DE8282401624T patent/DE3279126D1/de not_active Expired
- 1982-09-02 AT AT82401624T patent/ATE38079T1/de active
- 1982-09-02 EP EP82401624A patent/EP0074317B1/fr not_active Expired
- 1982-09-03 TR TR22000A patent/TR22000A/xx unknown
- 1982-09-03 MX MX194277A patent/MX151508A/es unknown
- 1982-09-06 ES ES515504A patent/ES515504A0/es active Granted
- 1982-09-07 EG EG540/82A patent/EG15276A/xx active
- 1982-09-08 BR BR8205248A patent/BR8205248A/pt not_active IP Right Cessation
- 1982-09-08 JP JP57155316A patent/JPS58174883A/ja active Granted
- 1982-09-08 CA CA000410988A patent/CA1176972A/en not_active Expired
- 1982-09-08 GR GR69230A patent/GR77007B/el unknown
- 1982-09-08 NO NO823035A patent/NO157028C/no unknown
- 1982-09-08 US US06/415,856 patent/US4614250A/en not_active Expired - Lifetime
- 1982-09-09 OA OA57800A patent/OA07208A/xx unknown
-
1986
- 1986-05-16 US US06/864,629 patent/US5022484A/en not_active Expired - Lifetime
- 1986-07-24 AU AU60527/86A patent/AU575492B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
ES8400533A1 (es) | 1983-10-16 |
MX151508A (es) | 1984-12-04 |
EP0074317A2 (fr) | 1983-03-16 |
US4614250A (en) | 1986-09-30 |
BR8205248A (pt) | 1983-08-16 |
OA07208A (fr) | 1984-04-30 |
EG15276A (en) | 1986-09-30 |
CA1176972A (en) | 1984-10-30 |
FR2512488A1 (fr) | 1983-03-11 |
FR2512488B1 (no) | 1983-11-18 |
JPH0415431B2 (no) | 1992-03-17 |
EP0074317B1 (fr) | 1988-10-19 |
AU555428B2 (en) | 1986-09-25 |
AU575492B2 (en) | 1988-07-28 |
TR22000A (tr) | 1985-12-30 |
NO823035L (no) | 1983-03-10 |
NO157028C (no) | 1988-01-06 |
US5022484A (en) | 1991-06-11 |
AU6052786A (en) | 1986-11-13 |
GR77007B (no) | 1984-09-04 |
ATE38079T1 (de) | 1988-11-15 |
ES515504A0 (es) | 1983-10-16 |
JPS58174883A (ja) | 1983-10-13 |
EP0074317A3 (en) | 1985-09-18 |
AU8792182A (en) | 1983-03-17 |
DE3279126D1 (en) | 1988-11-24 |
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