EP0206915B1 - Engin de dépollution pour nappes d'eau - Google Patents
Engin de dépollution pour nappes d'eau Download PDFInfo
- Publication number
- EP0206915B1 EP0206915B1 EP86401292A EP86401292A EP0206915B1 EP 0206915 B1 EP0206915 B1 EP 0206915B1 EP 86401292 A EP86401292 A EP 86401292A EP 86401292 A EP86401292 A EP 86401292A EP 0206915 B1 EP0206915 B1 EP 0206915B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- water
- channel
- bell
- machine
- settling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 238000004140 cleaning Methods 0.000 title abstract description 4
- 239000007788 liquid Substances 0.000 claims description 23
- 239000002699 waste material Substances 0.000 claims description 11
- 239000006228 supernatant Substances 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 3
- 230000008030 elimination Effects 0.000 claims description 2
- 238000003379 elimination reaction Methods 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 claims 1
- 239000000284 extract Substances 0.000 abstract 1
- 210000003462 vein Anatomy 0.000 description 13
- 229930195733 hydrocarbon Natural products 0.000 description 8
- 150000002430 hydrocarbons Chemical class 0.000 description 8
- 239000012535 impurity Substances 0.000 description 6
- 238000010908 decantation Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 235000021183 entrée Nutrition 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000009182 swimming Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
- E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
- E02B15/046—Collection of oil using vessels, i.e. boats, barges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/32—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for for collecting pollution from open water
-
- 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
- Y10S210/00—Liquid purification or separation
- Y10S210/918—Miscellaneous specific techniques
- Y10S210/922—Oil spill cleanup, e.g. bacterial
- Y10S210/923—Oil spill cleanup, e.g. bacterial using mechanical means, e.g. skimmers, pump
Definitions
- the present invention relates to a pollution control device of simple and economical construction which makes it possible to effectively depollute water bodies such as lakes or marine shores by collecting all the water immiscible wastes that their density is lower, equal to or greater than that of groundwater.
- a device according to the preamble of claim 1 is described in document WO-A-80/0072.
- Such a machine comprises a channel which takes a current, respectively a vein of water in the vicinity of the surface at the front of the machine to reject it at the rear after having cleared it, the circulation of the vein of water in the channel being provided by at least one propeller driven by a motor, preferably hydraulic.
- the subject of the invention is a device for cleaning up water tables comprising waste on their surface, of the type comprising a water circulation channel having an inlet for receiving a stream of water at the front of said device and a outlet opening at the rear of said device for discharging said stream of water after cleaning it, a propeller driven by a motor and driving the stream of water in said channel, characterized in that the device also comprises a closed decanting bell located above the surface of the water table, behind the water inlet on the upper wall of the circulation channel near its mouth, a bypass channel with closed section collecting the upper part of the water stream which comprises the floating waste at a point situated below the level of the water which surrounds the machine, this bypass channel being inclined upwards and having its outlet situated in the settling bell to the neighbor swimming from the top of the latter where floating debris accumulates, an elimination pipe eliminating floating debris from the top of the settling bell and a downward evacuation pipe having its entry in the bell settling in the vicinity of the outlet of the bypass canal and having its outlet connected to the circulation channel downstream of the inlet of
- the bypass channel which takes the upper part of the liquid vein has an elongated section which opens along the front wall of the settling bell, the upper part of the liquid vein on which supernatant the impurities being brought into the settling bell in the vicinity of said front wall.
- the water evacuation pipe has a relatively small section compared to that of the settling bell and its mouth is placed in the vicinity of the center of the latter.
- the water circulation channel has a section which gradually reduces between the mouth of the bypass channel which ends at the settling bell and the point of arrival of the pipe d evacuation which brings the water from the settling bell back into said channel to create a faster speed of water circulation at this last point.
- the evacuation pipe which takes the water contained in the settling bell to send it into the channel leading to the liquid vein is provided with a throttling device which can make vary its flow.
- the body 1 of the machine supports on each side a flotation member 2 which in this case consists of three hollow wheels 3 connected by a track 4. These wheels 3 are mounted on a support 5 whose ends 6 and 7 of rounded shape can go up or down independently of each other with respect to the body 1 of the machine thanks to the jacks 8 and 9 schematically represented and located above the body of the machine.
- Two converging removable boxes 10 are placed at the front end of the machine so as to channel the waste which found on the surface of the water towards the entry of the channel which makes cross the liquid vein from the front to the back of the machine.
- the boxes 10 converge towards a grid 11 which is arranged across the mouth of the water circulation channel 12, the shape of which is clearly seen in FIGS. 3 and 5.
- FIG. 3 shows how the channel 12 has a height which decreases progressively between the inlet grid 11 and the rear 13 of the machine.
- bypass channel 14 takes the upper part of the liquid vein to bring it into the settling bell 15 in the upper part of which accumulates the supernatant impurities while the water is brought back into the liquid vein by the evacuation pipe 16 which terminates in accordance with the invention at 16 a in the channel 12 at a point located downstream from point 14 a where the upper part of the vein is taken.
- the channel 12 has a width which is gradually reduced between the grid 11 and the point 17 where it separates into two divergent channels 18 whose ends open at 19 laterally behind the machine.
- Jet deflectors constituted by cylinder sectors 21, can, by pivoting around the axis 22, either allow the liquid stream to flow in the axis of the two divergent channels 18, or bring the two halves of the liquid stream laterally or even towards the front of the craft.
- the machine according to the invention has great stability and great maneuverability even in bodies of water which have large currents.
- an orifice 23 located in the lower wall of the channel which can be more or less closed by a flap 24 so as to take water under the machine to ensure ejection of a flow significant water through the divergent channels 18, without increasing the speed of circulation of the water stream at the entrance of the channel 12 beyond what is necessary for a good collection of liquid waste located on the surface of the water table.
- Figure 6 is a section cut away in part along the median longitudinal plane of the machine, the channel 12 which is divided at the rear of the machine into two channels 18 separated from the point 17, the bypass channel 14 which takes the upper part of the liquid stream at 14 a to bring it into the settling bell 15 from which the water which accumulates at the lower part of the bell escapes by the evacuation pipe 16 to end at 16 a further back in the channel 12.
- FIG. 6 schematically shows how the hydrocarbons or other impurities lighter than water accumulate in 15 a at the upper part of the settling bell 15 while, according to a preferred embodiment of the invention, a deflector 25 is placed on the wall of the bell opposite the bypass channel 14 to prevent the hydrocarbons 15 a from being sucked in again by the evacuation pipe 16.
- FIG. 9 a sectional view of the settling bell 15.
- the bypass channel 14 which guides the upper part of the liquid vein, which schematically comprises represented in 15 b , a layer of supernatant impurities such as hydrocarbons which come to accumulate in 15 a at the upper part of the bell 15 while the water which remains at the lower part of the bell is sucked by the evacuation pipe 16 due to the fact that the end 16a of this pipe is in depression relative to the mouth 15a of the pipe bypass.
- the upper part of the settling bell is connected to a source of vacuum by a pipe not shown in the drawing in order to maintain the liquids at a determined level of the bell.
- the pipe 16 with a throttling register, not shown, which makes it possible to adjust the flow rate in the channel 14 and the pipe 16 so as to obtain the optimal settling conditions.
- Figure 8 There is schematically shown in Figure 8 a sectional view of a preferred embodiment of the upper wall of the channel 12, in the vicinity of the mouth 14 a of the bypass channel 14.
- the upper wall of the channel 12 has between the grid 11 and the mouth 14 has of the bypass channel a zigzag section which allows to collect the supernatant liquid impurities on the liquid vein which engages inside the machine so as to facilitate decantation in the bell 15.
- hydrocarbon cords 15 b which are found in FIG. 9 along the wall of the bypass channel 14 and which end at 15 a at the upper part of the settling bell, of which they thus facilitate the proper functioning. .
- the device according to the invention which is of a simple and inexpensive structure makes it possible to completely clean up a sheet of water from all the waste which floats on the surface of the sheet.
- buoyancy boxes constituted by wheels fitted with tracks which give the machine an amphibious character
- simple full boxes which are subjected in the same way to the action of the jacks for adjust the attitude of the machine.
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Structural Engineering (AREA)
- Public Health (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Civil Engineering (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Removal Of Floating Material (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Processing Of Solid Wastes (AREA)
- Cleaning Or Clearing Of The Surface Of Open Water (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Cleaning Or Drying Semiconductors (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Nozzles (AREA)
- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Paper (AREA)
- Saccharide Compounds (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT86401292T ATE67804T1 (de) | 1985-06-14 | 1986-06-13 | Reinigungsapparat fuer wasseroberflaeche. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8509195A FR2622880A1 (fr) | 1985-06-14 | 1985-06-14 | Machine de depollution |
FR8509195 | 1985-06-14 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0206915A2 EP0206915A2 (fr) | 1986-12-30 |
EP0206915A3 EP0206915A3 (en) | 1988-05-11 |
EP0206915B1 true EP0206915B1 (fr) | 1991-09-25 |
Family
ID=9320343
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP86401292A Expired - Lifetime EP0206915B1 (fr) | 1985-06-14 | 1986-06-13 | Engin de dépollution pour nappes d'eau |
Country Status (11)
Country | Link |
---|---|
US (1) | US4921605A (ja) |
EP (1) | EP0206915B1 (ja) |
JP (1) | JPS6238288A (ja) |
AT (1) | ATE67804T1 (ja) |
CA (1) | CA1282346C (ja) |
DE (1) | DE3681639D1 (ja) |
ES (1) | ES8708034A1 (ja) |
FR (1) | FR2622880A1 (ja) |
IN (1) | IN166760B (ja) |
IT (1) | IT1189153B (ja) |
NO (1) | NO162627C (ja) |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4851133A (en) * | 1988-06-23 | 1989-07-25 | Rymal Ted R | Method and apparatus for recovering low density liquids in surface water |
IT1231636B (it) * | 1989-07-11 | 1991-12-18 | Ayroldi Giuseppe | Sistema ed apparecchiatura per la bonifica meccanica di specchi acquei, anche aperti, da inquinanti galleggianti |
US5128031A (en) * | 1990-04-11 | 1992-07-07 | Marking Designs, Inc. | Pool surface skimmer |
US5122283A (en) * | 1990-06-04 | 1992-06-16 | Wells Robert C | Apparatus and method for separating and removal of floating pollutants from a water surface |
US5022987A (en) * | 1990-06-04 | 1991-06-11 | Wells Robert C | Apparatus and method for separating and removal of floating pollutants from a water surface |
US5200066A (en) * | 1991-11-18 | 1993-04-06 | Jorgensen Adam A | Oil spill collecting device with vortex generator |
FR2720087B1 (fr) * | 1994-05-20 | 1996-07-19 | Chastan Bagnis Alain | Engin de nettoyage et de dépollution de nappes d'eaux souillées. |
US5593579A (en) * | 1996-02-16 | 1997-01-14 | Reynolds; Michael L. | Mechanically assisted hydraulic filter |
AU5085098A (en) * | 1996-10-21 | 1998-05-15 | George W. Adams | Hydrodynamic induction bow foil plane oil skimmers |
AU731777B2 (en) | 1998-11-30 | 2001-04-05 | Nihon Nohyaku Co., Ltd. | Aniline derivative and process for producing the same |
US6669841B2 (en) | 2002-01-15 | 2003-12-30 | Hewitt (Brockville) Ltd. | Marine vessel for collecting floating debris |
FR2842169B1 (fr) * | 2002-07-12 | 2005-07-15 | Armor Tech | Batiment destine a recueillir a son bord des dechets sans necessiter de pompage a cet effet |
US7273548B2 (en) * | 2002-10-25 | 2007-09-25 | Chiang Charles N | Fluid filter |
US7517459B2 (en) * | 2004-07-15 | 2009-04-14 | Usa Pelican Inc. | Vessel with oxygenation system and decontamination method |
FI123745B (fi) * | 2007-10-17 | 2013-10-15 | Oilwhale Oy | Laitteisto ja menetelmä materiaalin keräämiseksi vesistöstä |
CA2618248A1 (en) * | 2008-01-21 | 2009-07-21 | David Leonard Prior | Device and method for cleaning up spilled oil and other liquids |
US7504028B1 (en) * | 2008-02-22 | 2009-03-17 | Benjamin Gurfinkel | Water-contaminant separation system |
DE102008055633B4 (de) * | 2008-11-03 | 2013-01-10 | Technische Universität Berlin | Vorrichtung und Verfahren zum Aufnehmen von Partikeln von einer Gewässeroberfläche |
US20110284087A1 (en) * | 2010-05-18 | 2011-11-24 | Auburn University | Passive oil collection and recovery system |
US20110297597A1 (en) * | 2010-06-04 | 2011-12-08 | John Di Bella | Water vessel propelled oil spill recovery system and assembly |
US8753521B2 (en) * | 2010-06-10 | 2014-06-17 | Namon A. Hawthorne | Offshore oil spill remediation and recovery system |
US8449768B2 (en) | 2010-10-07 | 2013-05-28 | National Response Corporation | Automatic tilting oil skimmer frame |
ITMC20110076A1 (it) * | 2011-12-27 | 2013-06-28 | Gabriele Coccia | Dispositivo per la raccolta di greggio o simili. |
DE102013104833A1 (de) | 2013-05-10 | 2014-11-13 | Krauss-Maffei Wegmann Gmbh & Co. Kg | Amphibienfahrzeug und Verfahren zum Betrieb eines Amphibienfahrzeugs |
US9334970B2 (en) * | 2013-06-13 | 2016-05-10 | Haven Technology Solutions Llc | Apparatus and method for fluid control |
US20150275453A1 (en) * | 2014-03-26 | 2015-10-01 | David Skadeland | Multi-purpose floating debris skimmer |
US10145074B2 (en) * | 2014-09-22 | 2018-12-04 | Wallace Jackson | System for removing an oil from a surface of a body of water |
US10683627B2 (en) * | 2014-10-16 | 2020-06-16 | Ocean Cleaner, LLC | Systems, apparatus and methods for collecting and separating floating debris and water from a body of water |
US11371201B1 (en) * | 2014-10-16 | 2022-06-28 | Ocean Cleaner, LLC | Systems, apparatus and methods for collecting debris from a body of water |
RU2572765C1 (ru) * | 2014-12-17 | 2016-01-20 | Аскар Джамилевич Мингажев | Способ сбора нефти из-под ледяного покрова водоема |
FR3045560B1 (fr) * | 2015-12-17 | 2018-02-09 | Isalt | Vehicule aquatique flottant, pour la collecte de vegetaux aquatiques flottant au niveau de la surface d'un milieu aquatique |
FR3093520B1 (fr) * | 2019-03-06 | 2021-04-02 | Recyclamer Innovation | Dispositif de collecte de dechets flottants |
CN110002528A (zh) * | 2019-04-26 | 2019-07-12 | 中国环境科学研究院 | 水域污染物应急治理设备及系统 |
ES2740573B2 (es) * | 2019-05-24 | 2021-05-13 | Ona Safe & Clean S L | Embarcacion para la recoleccion de material flotante en superficies de cuerpos de agua |
KR102147441B1 (ko) * | 2020-03-03 | 2020-08-24 | 한국해양과학기술원 | 대규모 해안유입 및 해안부착기름 회수시스템 |
KR102198832B1 (ko) * | 2020-06-03 | 2021-01-05 | 한국해양과학기술원 | 다기능 해안부착기름 회수 전용 장치 |
CN111910703A (zh) * | 2020-08-05 | 2020-11-10 | 济南大学 | 一种半潜式无动力渠道冲淤船及渠道清淤方法 |
US20220136196A1 (en) * | 2020-11-05 | 2022-05-05 | Ocean Cleaner, LLC | Systems, Apparatus & Methods for Remote Collection of Floating Debris |
CN112551615B (zh) * | 2020-12-23 | 2023-11-24 | 黄送华 | 河道治理进水池及一体化污水处理系统 |
Family Cites Families (29)
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GB742347A (en) * | 1952-12-10 | 1955-12-21 | Union Rheinische Braunkohlen | Method and means for aerating the water of lakes and watercourses |
AT258751B (de) * | 1965-07-22 | 1967-12-11 | Simmering Graz Pauker Ag | Verfahren und Vorrichtung zur Schmutzölbeseitigung auf Schiffen |
US3434444A (en) * | 1967-04-25 | 1969-03-25 | Francis Richard Caddick | Watercraft with scoop |
US3595392A (en) * | 1969-06-13 | 1971-07-27 | Reynolds Submarine Services Co | Method of and apparatus for separating fluids having different densities |
US3651943A (en) * | 1970-04-13 | 1972-03-28 | James Di Perna | Pollution suction water sweeper |
NO125694B (ja) * | 1970-05-04 | 1972-10-16 | Sverre Brydoey | |
US3731813A (en) * | 1971-05-17 | 1973-05-08 | R Tipton | Floating debris recovery apparatus |
JPS4882456A (ja) * | 1972-02-02 | 1973-11-05 | ||
JPS5018069B2 (ja) * | 1972-02-26 | 1975-06-26 | ||
US3823828A (en) * | 1973-05-08 | 1974-07-16 | A Derzhavets | Propelling arrangement for oil and garbage skimmer craft |
US3966615A (en) * | 1974-06-25 | 1976-06-29 | Petchul Sigvald L | Oil collection barge |
FR2277191A2 (fr) * | 1974-07-04 | 1976-01-30 | Chastan Bagnis Lucien | Ponton flottant automoteur avec ensemble filtre separateur pour le traitement des plans d'eau pollues et travaux maritimes |
GB1544109A (en) * | 1975-04-02 | 1979-04-11 | Bj Consultant | Floating appliance for treating the upper layer of a mass or body of liquid |
DE2529891A1 (de) * | 1975-07-04 | 1977-01-27 | Henkel & Cie Gmbh | Bei sauerstoffausschluss erhaertende klebstoffe oder dichtungsmittel |
JPS5233875A (en) * | 1975-09-11 | 1977-03-15 | Itaya Seisakusho | Forming roll for making recuperating fins |
JPS5355887A (en) * | 1976-10-28 | 1978-05-20 | Takuo Mochizuki | Boat for recovering floating object on water |
JPS6059035B2 (ja) * | 1977-01-13 | 1985-12-23 | 溝田工業株式会社 | 除塵機 |
US4108773A (en) * | 1977-01-25 | 1978-08-22 | Salvatore Macaluso | Oil salvager |
DE2819521A1 (de) * | 1978-05-03 | 1979-11-08 | Guenter Ing Grad Leyh | Oelfangschiff |
JPS5522574A (en) * | 1978-08-07 | 1980-02-18 | Mitsubishi Heavy Ind Ltd | Collecting vessel of floating matter |
JPS5545935A (en) * | 1978-09-27 | 1980-03-31 | Mitsubishi Heavy Ind Ltd | Leading plate for use in floating matter recovering device |
FR2437976A1 (fr) * | 1978-10-03 | 1980-04-30 | Foll Jean Le | Engin de prelevement selectif d'une couche de liquide leger a la surface d'une nappe d'eau |
US4265757A (en) * | 1979-03-09 | 1981-05-05 | Alexander Ivanoff | Device for removing oil slicks |
EP0031610A3 (en) * | 1979-12-26 | 1981-10-07 | Shell Internationale Researchmaatschappij B.V. | Method and apparatus for removing oil from a shoreline |
US4399040A (en) * | 1980-06-19 | 1983-08-16 | Halliburton Company | Open sea skimmer barge |
FR2502207A1 (en) * | 1981-03-19 | 1982-09-24 | Inst Francais Du Petrole | Portable suction unit for recovering pollutant spillages - has flexible pipework fitted to suction tube and pump via safety valve |
US4597863A (en) * | 1981-10-05 | 1986-07-01 | Robert Dow | Hydrocarbon recovery system |
WO1983001265A1 (en) * | 1981-10-05 | 1983-04-14 | Texas Oil Spill Control Inc | Hydrocarbon recovery system |
DE8324679U1 (de) * | 1983-08-27 | 1984-02-16 | Jastram-Werke GmbH & Co KG, 2050 Hamburg | Vorrichtung zum separieren eines oel-wasser-gemisches |
-
1985
- 1985-06-14 FR FR8509195A patent/FR2622880A1/fr not_active Withdrawn
-
1986
- 1986-06-02 NO NO86862186A patent/NO162627C/no not_active IP Right Cessation
- 1986-06-10 IT IT20734/86A patent/IT1189153B/it active
- 1986-06-11 IN IN512/DEL/86A patent/IN166760B/en unknown
- 1986-06-13 CA CA000511568A patent/CA1282346C/fr not_active Expired - Lifetime
- 1986-06-13 JP JP61138018A patent/JPS6238288A/ja active Pending
- 1986-06-13 ES ES556015A patent/ES8708034A1/es not_active Expired
- 1986-06-13 AT AT86401292T patent/ATE67804T1/de not_active IP Right Cessation
- 1986-06-13 EP EP86401292A patent/EP0206915B1/fr not_active Expired - Lifetime
- 1986-06-13 DE DE8686401292T patent/DE3681639D1/de not_active Expired - Fee Related
-
1988
- 1988-05-26 US US07/199,299 patent/US4921605A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
NO862186L (no) | 1986-12-15 |
ES8708034A1 (es) | 1987-09-16 |
ES556015A0 (es) | 1987-09-16 |
DE3681639D1 (de) | 1991-10-31 |
IN166760B (ja) | 1990-07-14 |
EP0206915A2 (fr) | 1986-12-30 |
IT8620734A1 (it) | 1987-12-10 |
ATE67804T1 (de) | 1991-10-15 |
IT1189153B (it) | 1988-01-28 |
CA1282346C (fr) | 1991-04-02 |
IT8620734A0 (it) | 1986-06-10 |
NO162627B (no) | 1989-10-16 |
NO162627C (no) | 1990-01-24 |
US4921605A (en) | 1990-05-01 |
JPS6238288A (ja) | 1987-02-19 |
NO862186D0 (no) | 1986-06-02 |
EP0206915A3 (en) | 1988-05-11 |
FR2622880A1 (fr) | 1989-05-12 |
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