EP0603059A1 - Reinigungsvorrichtung und Verfahren zur Reinigung von Behälterwänden - Google Patents
Reinigungsvorrichtung und Verfahren zur Reinigung von Behälterwänden Download PDFInfo
- Publication number
- EP0603059A1 EP0603059A1 EP93403019A EP93403019A EP0603059A1 EP 0603059 A1 EP0603059 A1 EP 0603059A1 EP 93403019 A EP93403019 A EP 93403019A EP 93403019 A EP93403019 A EP 93403019A EP 0603059 A1 EP0603059 A1 EP 0603059A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tank
- cleaning fluid
- cleaning
- fluid
- cleaned
- 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.)
- Withdrawn
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
- B08B9/0936—Cleaning containers, e.g. tanks by the force of jets or sprays using rotating jets
Definitions
- the present invention relates to a device for cleaning the walls of tanks of all kinds and of all dimensions assigned to all uses.
- the invention is particularly applicable to petroleum tanks, grain, flour, oil silos, atomization towers, tanks of ships or trucks, food trays or more particularly cookers.
- the devices used to date for cleaning dirty surfaces are, for example, mounted on vehicles and have fixed washing ramps with high flow rate and low cold water pressure, comprising a large number of nozzles to cover by movement of the vehicle a given work area.
- the ramps can be fixed or mobile ramps.
- These devices may include means for heating the cleaning water.
- the device comprises an additional lance making it possible to carry out the cleaning of inaccessible places.
- the present invention overcomes the aforementioned drawbacks by providing a device and a method for positioning the fluid jets by adjusting the distance and orientation relative to the walls of the tank to be cleaned, and also for adjusting the pressure of the fluid.
- the subject of the invention is a device for cleaning the walls or surfaces of a tank comprising a reservoir R of cleaning fluid, the reservoir being connected to means for pressurizing the cleaning fluid, a cleaning tool and means of the cleaning fluid supplying the cleaning tool.
- the cleaning tool comprises in combination a rotating chassis equipped with at least one member for spraying the cleaning fluid under pressure, said member comprising at least two ramps, each of the ramps being provided with at least a nozzle intended to direct a jet of said pressurized cleaning fluid towards at least one wall to be cleaned, the angle made by the two ramps between they are chosen according to the geometry of the tank to be cleaned and in that it comprises means for moving the projection member relative to the rotating frame.
- the spraying device for cleaning fluid may include a distribution assembly for cleaning fluid to at least one of the nozzles.
- One of the ramps can have a direction parallel to one of the walls of the tank if the latter has a direction of elongation.
- the ramps are, for example, fitted with position sensors.
- the device may also include pneumatic means for moving the nozzles along the ramps.
- the cleaning fluid distribution assembly may comprise a cylinder, a piston sliding in the cylinder, means for introducing the cleaning fluid on one side of the piston and a spring arranged on the opposite side of the piston, this being moving under the action of pressure variations exerted by the cleaning fluid in one direction when the pressure is lowered and in the opposite direction when the pressure increases.
- the piston and the spring can move by stopping and restarting a pump for pressurizing the fluid included in the pressurizing means.
- the number of ramps can be chosen according to the geometry of the tank to be cleaned.
- the projection member is for example connected to motor means allowing its movement relative to the walls of the tank to be cleaned.
- the direction of the cleaning fluid can be changed by varying the pressure of the cleaning fluid.
- the fluid pressure is changed, for example, by stopping and restarting a pressurizing pump included in the means for pressurizing the fluid.
- the chassis comprising a first ramp and a second ramp, said ramps being provided with nozzles adapted to direct a jet of pressurized fluid towards a wall to be cleaned, the cleaning fluid is circulated, for example, through the nozzles of the first ramp then, the chassis having made a predetermined number of revolutions, the fluid is circulated through the nozzles of the second ramp, and the chassis is rotated by at least one revolution so as to sweep the rest of the wall to be cleaned .
- the nozzles of the first boom and / or of the second boom can be moved so as to sweep all of the walls of the tank to be cleaned.
- One of the advantages of the invention is to provide a device adapting to the shape of the tank to be cleaned.
- the flow rate of the fluid is adapted according to the nature of the fluid. In fact, by decreasing the pressure, the flow rate of the fluid is reduced, which proves to be advantageous when using expensive cleaning fluids for example.
- pneumatic circuit defines all the valves and pipes or hoses in which the pneumatic fluid circulates, for example air.
- the device described below makes it possible to clean a tank or container using a cleaning fluid sprayed by a cleaning tool and by adjusting the position of the jet of cleaning fluid, for example its distance and its orientation relative to to the walls of the tank to be cleaned, which allows cleaning of the entire surface of the walls of the tank, that is to say all the places of the container.
- This result is obtained due to the adaptability of the tool according to the invention as a function of the geometry of the tank, and of the nature of the material of the walls of the tank.
- the device also makes it possible to adjust the pressure of the cleaning fluid in the event that the walls constituting the tank risk being damaged by the force of the jets.
- the cleaning tool is positioned in a tank to be cleaned, comprising for example vertical walls 1 and a cone-shaped wall 2.
- This tool comprises a movable frame 3, substantially horizontal and integral with a rotation shaft 4, on which at least two ramps are positioned, a first guide ramp 5 having a vertical axis and a second axis guide ramp oblique 6 making an angle ⁇ with the first ramp.
- the value of the angle ⁇ is determined as a function of the geometry of the tank to be cleaned.
- Each guide ramp 5, 6 is provided with a plurality of position sensors distributed over its length having for reference Cij, the index i designating a guide ramp and the index j the position of a sensor on this ramp guidance.
- each guide ramp 5, 6 can slide a mobile carriage 7, 8 on which are fixed one or more injection nozzles J.
- Pneumatic cylinders (not shown) allow the mobile carriages to be moved along their respective ramps.
- the position sensors make it possible to identify and maintain in a given position the mobile carriages or nozzle-carrying carriages 7, 8.
- These mobile carriages 7, 8 are connected to a cleaning fluid chamber 9, by hoses 10, 11.
- the rotation shaft 4, of axis A is connected by one of its ends to a motor 13 by means of a coupling 14 and an air-water rotary joint 15 and ends at its other end by a pivot 16 coming to be embedded in a housing of the lower wall of the tank to be cleaned.
- the fluid chamber 9 and a distribution assembly 17 (FIG. 2) making it possible to direct the cleaning fluid successively to each guide ramp are formed in this shaft.
- a pipe 12 brings the cleaning fluid from an external reservoir R to the chamber 9, the pipe passing through an air-water rotary joint 15.
- the cleaning fluid then passes from the chamber 9 to the distribution assembly 17, this the latter causing the chamber 9 to communicate with the hoses 10, 11, in order to direct the fluid towards one or the other of the guide ramps.
- the fluid is pressurized using a pump P located on line 12.
- Heating means optionally allow the heating of the cleaning fluid.
- the device comprises an electropneumatic cabinet 20 comprising an electrical block E connected to an electropneumatic block F comprising power solenoid valves by a link 31.
- the electric block E contains relays (not shown) for distributing control currents to the motor of the pump P by a link 31 and to the motor 13 for driving the chassis by a link 33.
- a conventional external distribution system (not shown) in hydropneumatic fluid such as air supplies the block P.
- a pipe 18 bringing the air from the block F passes through the rotary joint 15 to open into a pneumatic cabinet 30 fixed on the chassis comprising a pneumatic logic or automaton of known type, two pneumatically controlled power valves making it possible to orient the air from the first ramp to the second ramp and microvalves for controlling the movement of the nozzle-carrying carriages.
- the pneumatic cabinet 30 is connected by hoses 34, 35 with the pneumatic cylinders located in the ramps
- the automaton automatically controls the various operations using appropriate timers t1, t2, the time t1 corresponding to the duration of a revolution carried out by the rotating chassis , serves as a reference for the passage of the nozzle holder carriage from one position sensor to another, and the time t2 corresponds to the time that the nozzle holder carriage takes to travel a ramp from one end to another; t2 is calculated from the number of sensors located on the ramp and the chassis speed. This time t2 is the time reference which makes it possible to control the change in distribution of the cleaning fluid and of the fluid of the hydropneumatic system from one ramp to another.
- a reserve for storing additives or detergents is connected to the reservoir R of cleaning fluid, for example water by a pipe, not shown. , comprising an element for adjusting the detergent flow rate, such as a valve, so as to obtain a water-detergent mixture of given composition.
- the ramp of vertical axis 5 is movable relative to the rotating frame 3, so as to adjust the spacing of the nozzles J relative to the wall so as to optimize the action of the jets for a determined pressure of the fluid.
- the displacement of the ramp on the chassis is done by displacement means M, which comprise, for example, a guide rail of the ramp and a device for holding the ramp in a determined position.
- the freedom of positioning of the ramps and the nozzles offered by the device according to the invention makes it possible to reduce the pressure of the cleaning fluid, which is advantageous in the case where the walls are made of a relatively fragile material, therefore liable to be damaged by too high fluid pressure.
- the reduction in the flow rate of the cleaning fluid, resulting from the reduction in pressure, may prove to be advantageous in the case of use of expensive fluids since it allows the use of less fluid.
- the nozzles J are, for example, pivoting nozzles which deliver a jet of rotary cleaning fluid, which leads to better cleaning of the impact surface of the jet.
- the position sensors C ij of the nozzle carrier carriages 7, 8 are, for example, magnetic sensors operating by detecting the presence or absence of an object.
- the sensors are spaced from each other by a value at most equal to the nozzle cleaning height, which corresponds to a surface for sweeping the jets of the nozzle on the wall to be cleaned.
- the chassis drive motor 13 is a variable frequency electric motor coupled to a geared motor.
- the distribution assembly 17 (shown in FIG. 2) comprises a hollow cylindrical part 19 provided in its upper part with orifices or openings 21 and with a hollow piston 22 moving in a cylinder 23.
- the hollow piston 22 moves in the direction indicated by arrow A (Fig. 3A) under the action of a spring 24 and in the other direction indicated by arrow B under that of the hydraulic pressure exerting a stronger action than that of the spring.
- the change from one position to another is done as follows, under the action of the hydraulic pressure of the cleaning fluid, the piston is in a given position P1 corresponding, for example to the coincidence of the lights 21 with the hose 10 distributing the cleaning fluid to the vertical boom (Fig. 2).
- the spring moves the piston upwards (arrow A Fig. 3A) so as to allow the release of the guide pin 26 allowing the piston to be placed in a rest position I in which it remains until the hydraulic pressure exerted by the fluid during the restarting of the pump displaces the piston downwards.
- the piston under the effect of the hydraulic pressure, then comes to be put in a position P2 of the groove and is held in this position by the guide pin 26.
- the variation in the pressure of the hydraulic fluid thus allows passage between the different positions defined by the groove 25.
- Such a cleaning tool is for example the following: the cleaning tool is positioned in the tank to be cleaned, the height, the positions and the angle ⁇ of the guide rails, or the angles when there has more than two ramps, having been previously selected according to the geometry of the tank to be cleaned.
- the nozzle-carrying carriages 7, 8 are in so-called initial positions, for example, located at one end of each of the guide ramps 5, 6 identified by the position sensors C11 and C21.
- the automaton controls the electrical cabinet 30 which rotates the rotating chassis 3 and simultaneously controls the distribution of the fluid under pressure to the vertical guide rail 5.
- the jet of pressurized fluid coming from the nozzles J of this rail cleans the wall of the tank on a crown of height ho depending on the shape of the jet and the distance from the nozzle to the wall, and of perimeter equal to that of the perimeter of the tank to be cleaned, due to the rotation of the chassis.
- the automaton activates the pneumatic circuit which sends air to the positioning cylinder of the nozzle-holder carriage to move the latter along the ramp to a neighboring position identified by the position sensor next, located at a distance ho from the previous sensor.
- the magnetic sensor detects the nozzle holder carriage and immobilizes it in this position.
- the automaton manages the movement of the nozzle-carrying carriage 7 over the entire length of the guide ramp 5 and repeats the movement operations previously described as many times as there are sensors on the ramp.
- the nozzle-holder carriage 7 having reached its final position marked by the last position sensor C 1d of the guide ramp 5, the chassis performs a complete revolution controlled by the time t1, then the automaton possibly controls the change of distribution of the cleaning fluid and air actuating the cylinders, from the first ramp to the second ramp so as to put the second ramp into service.
- the automaton stops the operation of the pump for pressurizing the cleaning fluid, which results in a change of position of the piston and therefore a redistribution of the cleaning fluid, from the nozzles of the vertical guide rail towards the nozzles of the oblique guide rail.
- the electrical cabinet sends a signal to the pneumatic cabinet so as to change the state of the valves to direct the air from the first manifold to the second manifold.
- the cleaning of the bottom wall 2 of the tank by the nozzles J of the oblique guide ramp 6 takes place in the same way as the cleaning of the vertical wall. Cleaning begins for the initial position of the nozzle holder trolley identified by the sensor C21.
- the automatic device stops the distribution of the cleaning fluid, the air and the engine.
- the tool described above and its implementation have given excellent results for cleaning the walls of a container in which an oil has been cooked for 12 hours at more than 200 ° C. using as cleaning fluid the pressurized hot water without detergent.
- the automaton is replaced by a signal processing and generation device such as a computer equipped with a data acquisition card and programmed to carry out the various operations of the method according to the invention.
- a signal processing and generation device such as a computer equipped with a data acquisition card and programmed to carry out the various operations of the method according to the invention.
- the cleaning tool includes position sensors D kl capable of detecting the position of the nozzle holder carriage and of sending a signal to the computer, such as state sensors.
- the rotating chassis 3 is equipped with a device capable of locating the start and the end of a revolution, such as a rotation sensor located on the rotation shaft.
- the indices k and l are used to locate a sensor D as a function of the ramp and of its position on the ramp.
- the position sensors D are different in nature from the position sensors C ij previously described but can be placed at identical locations on the guide rails, we can therefore use Figure 1 as a guide for the description below.
- the fluid pressure is a predetermined parameter as a function of the distances from the walls of the tank and of the materials constituting the tank and stored beforehand.
- the speed of rotation has been previously chosen but can be adjusted during the operation of the cleaning tool, for example as a function of the height of the nozzle holder carriage at a given instant.
- the jet of pressurized fluid coming from the nozzles of the first nozzle-carrying trolley located at the level of the sensor D11 begins to clean the tank as indicated above, the index 11 corresponds to the first sensor of the first activated ramp.
- the nozzle holder carriage moves from one sensor to another thanks to the signal from the rotation sensor which alerts the microcomputer of the end of the turn.
- the microcomputer sends a signal to the pneumatic circuit which controls the displacement of the piston of the jack causing the nozzle holder carriage to pass to the next position sensor.
- the microcomputer controls the change in the speed of rotation of the motor, for example by accelerating it.
- This change in rotational speed can be done as the fluid jets descend into the tank, and for different heights relative to different positions in height of the nozzle-carrier carriages.
- the microcomputer transmits signals to the whole for distributing the cleaning fluid and to the pneumatic system so as to switch the cleaning fluid and the pneumatic fluid controlling the jacks to the second guide ramp equipped with the nozzles to be activated.
- the cleaning of this lower wall by the jets of fluid coming from the second oblique ramp is carried out in the same way as the cleaning of the vertical wall.
- the nozzle holder carriage moves from sensor D 2l , to sensor D 2d ,
- the microcomputer stops the pump for pressurizing the cleaning fluid and the engine .
- This exemplary embodiment makes it possible to optimize the operation of the device by reducing the cleaning time of the tank.
- the cleaning fluid used is a detergent or a mixture of water and additives
- the circulation pump By stopping and restarting the circulation pump, it controls the passage of the water distribution to the nozzles fitted to the vertical guide rail. This operation assumes that the reservoir (s) containing the rinsing water are all connected to line 12.
- the microcomputer then controls the ascent of the nozzle holder carriage, this ascent can be done more quickly than the descent during of the cleaning operation by increasing the speed of rotation of the rotating chassis. During this ascent, the water rinses the vertical walls of the tank, the bottom wall of the tank or lower wall is rinsed by the runoff of water along the vertical walls.
- the cleaning fluid and optionally the rinsing water are collected in the bottom of the container before their evacuation, this evacuation being able to be done, either by a pipe located in the bottom of the tank, either by a hose fitted with a pumping device allowing the fluid to be raised and evacuated.
- the cleaning tool comprises the rotating chassis 3 secured to the rotation shaft 4, and being able to move along this shaft.
- a means such as a ramp 27 is fixed to the chassis, the axis of this ramp making an angle ⁇ chosen as a function of the geometry of the tank to be cleaned.
- the ramp is provided with a device 28 making it possible to deliver jets of cleaning fluid in different orientations so as to sweep all of the walls of the tank to be cleaned.
- a head equipped with several nozzles 29 having different orientations chosen as a function of the geometry of the tank this head 28 being positioned for example at the end of the ramp.
- the head 28 can also be movable all along the ramp, the ramp being fixed relative to the rotating frame 3.
- the ramp is positioned at a certain distance from the walls of the tank to be cleaned.
- the rotation of the rotating frame combined with the projection of jets of cleaning fluid in several directions allows complete scanning of the walls of the tank to be cleaned.
- the groove 25 having n upper positions, corresponding to the positioning bringing into coincidence n different lights with n different conduits for circulation of the cleaning fluid.
- hydraulic or mechanical jacks associated with suitable motor means.
- the displacement of the piston can also be done by pulling a cable, a chain or any other suitable mechanical device.
- the motor described above is a variable frequency electric motor coupled to a geared actuator. We could just as well use a hydraulic or pneumatic motor.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
- Cleaning By Liquid Or Steam (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9215111A FR2699095B1 (fr) | 1992-12-15 | 1992-12-15 | Méthode et dispositif de nettoyage de parois d'un récipient. |
FR9215111 | 1992-12-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0603059A1 true EP0603059A1 (de) | 1994-06-22 |
Family
ID=9436620
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP93403019A Withdrawn EP0603059A1 (de) | 1992-12-15 | 1993-12-14 | Reinigungsvorrichtung und Verfahren zur Reinigung von Behälterwänden |
Country Status (3)
Country | Link |
---|---|
US (1) | US5460193A (de) |
EP (1) | EP0603059A1 (de) |
FR (1) | FR2699095B1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1884289A2 (de) * | 2006-07-25 | 2008-02-06 | Zwei S Technology GmbH | Verfahren und Anordnung zur Überwachung der Beschwallung von Wandflächen mittels Flüssigkeitsstrahlen bei Reinigungsprozessen |
WO2009021776A2 (de) * | 2007-08-14 | 2009-02-19 | Robert Bosch Gmbh | Reinigungsvorrichtung für eine kapselfüllmaschine |
Families Citing this family (29)
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US5807359A (en) | 1993-06-08 | 1998-09-15 | Bemis Manufacturing Company | Medical suction system |
USRE36465E (en) * | 1994-03-02 | 1999-12-28 | C.H. Heist Corp. | Furnace cleaning apparatus |
US6358232B1 (en) | 1994-12-29 | 2002-03-19 | Bemis Manufacturing Company | Method and apparatus for removing and disposing of body fluids |
US6244311B1 (en) | 1994-12-29 | 2001-06-12 | Bemis Manufacturing Company | Method and apparatus for removing and disposing of body fluids |
US6652495B1 (en) * | 1995-04-10 | 2003-11-25 | Kenneth Gordon Walker | System for disposal of fluids |
DE19617613A1 (de) * | 1996-05-02 | 1997-07-24 | Siemens Ag | Reinigungsvorrichtung für einen Behälter für radioaktiven Abfall |
US5776260A (en) * | 1996-08-16 | 1998-07-07 | Dornoch Medical Systems, Inc. | Liquid waste disposal and canister flushing system and method |
US5901717A (en) * | 1996-08-16 | 1999-05-11 | Dornoch Medical Systems, Inc. | Liquid waste disposal and canister flushing system and method |
US5975096A (en) * | 1996-08-16 | 1999-11-02 | Dornoch Medical Systems, Inc. | Liquid waste disposal and canister flushing system and method |
US6105593A (en) * | 1998-05-22 | 2000-08-22 | Jet, Inc. | Fixed film media cleaner apparatus and method |
DE19838864C2 (de) * | 1998-08-26 | 2001-12-13 | Rational Ag | Verfahren zum Reinigen eines Gargeräts sowie dazu verwendete Vorrichtung |
US6263887B1 (en) | 2000-01-14 | 2001-07-24 | Dornoch Medical Systems, Inc. | Liquid waste disposal and canister flushing system and method |
WO2001072350A1 (en) | 2000-03-28 | 2001-10-04 | Bemis Manufacturing Company | Medical suction apparatus and methods for draining same |
US7674248B2 (en) | 2000-03-28 | 2010-03-09 | Bemis Manufacturing Company | Medical suction apparatus and methods for draining same |
US6672477B2 (en) | 2001-01-12 | 2004-01-06 | Bemis Manufacturing Company | Method and apparatus for disposing of bodily fluids from a container |
US6655397B2 (en) * | 2001-03-27 | 2003-12-02 | Diamond Power International, Inc. | Articulating water monitor cleaning device |
US20050214730A1 (en) * | 2004-03-24 | 2005-09-29 | Rines Robert H | Method of and apparatus for supplementing the reading of selected passages of printed material in a book or the like by electronically reading coded indicia provided in the book at such passages to access the playing of corresponding coded tracks of pre-recorded video/audio supplemental material respectively related to the selected passages |
US20060073444A1 (en) * | 2004-09-23 | 2006-04-06 | Rines Robert H | Method of and apparatus for supplementing the reading of selected passages of printed material in a book or the like by voice or acoustic pronouncement of coded indicia provided in the book at such passages, remotely to access the playing of corresponding coded tracks of pre-recorded video/audio supplemental material respectively related to the selected passages |
US20050271712A1 (en) * | 2004-06-04 | 2005-12-08 | Shannon Donald T | Multilayer wound covering and therapeutic methods thereof |
US9302301B2 (en) * | 2006-12-19 | 2016-04-05 | Spraying Systems Co. | Automated tank cleaning and monitoring device |
US9227232B2 (en) * | 2006-12-19 | 2016-01-05 | Spraying Systems Co. | Automated tank cleaning monitoring system |
CN103567171A (zh) * | 2012-08-09 | 2014-02-12 | 泉州市泉港迅达石化设备安装有限公司 | 一种高压粉粹清洁机 |
EP3037175B1 (de) * | 2014-12-22 | 2018-11-21 | Alfa Laval Corporate AB | Drehbarer Tankreinigungsdüsenkopf mit einer Selbstreinigungsdüse |
EP3556481A1 (de) | 2018-04-18 | 2019-10-23 | Le Officine Riunite - Udine SpA | Vorrichtung und verfahren zur reinigung einer operationsmaschine wie etwa einen betonmischer, einen fahrmischer oder dergleichen |
IT201800004679A1 (it) * | 2018-04-18 | 2019-10-18 | Apparato e metodo di pulitura di una macchina operatrice, quale una betoniera, un'autobetoniera o simile | |
IT201800004675A1 (it) * | 2018-04-18 | 2019-10-18 | Apparato e metodo di pulitura di una macchina operatrice, quale una betoniera, un'autobetoniera o simile | |
CN108580477A (zh) * | 2018-06-20 | 2018-09-28 | 核工业理化工程研究院 | 储罐用低压旋转冲洗物料收集装置 |
CN111774389A (zh) * | 2020-07-17 | 2020-10-16 | 袁文平 | 一种医疗科室用的容器冲洗装置 |
CN112933304B (zh) * | 2021-01-27 | 2022-11-11 | 黑龙江省医院 | 一种心内科积液引流用处理装置 |
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- 1992-12-15 FR FR9215111A patent/FR2699095B1/fr not_active Expired - Fee Related
-
1993
- 1993-12-14 EP EP93403019A patent/EP0603059A1/de not_active Withdrawn
- 1993-12-15 US US08/167,349 patent/US5460193A/en not_active Expired - Fee Related
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GB975901A (en) * | 1960-02-01 | 1964-11-25 | Paul Hammelmann Jun | Improvements in or relating to cleansing devices for pipes and ducts and storage andtransport containers |
DE1557566A1 (de) * | 1965-12-14 | 1970-04-02 | Lorentz Dipl Ing Harry | Ausleger fuer Tankreinigungs-Duesenapparat |
WO1984004709A1 (en) * | 1983-05-24 | 1984-12-06 | Eurocom Kuelkereske Kepvisel | Installation for cleaning and protecting the upper surface of the inner face of a cylindrical tank provided with a rigidly secured cover |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1884289A2 (de) * | 2006-07-25 | 2008-02-06 | Zwei S Technology GmbH | Verfahren und Anordnung zur Überwachung der Beschwallung von Wandflächen mittels Flüssigkeitsstrahlen bei Reinigungsprozessen |
EP1884289A3 (de) * | 2006-07-25 | 2012-05-30 | Zwei S Technology GmbH | Verfahren und Anordnung zur Überwachung der Beschwallung von Wandflächen mittels Flüssigkeitsstrahlen bei Reinigungsprozessen |
WO2009021776A2 (de) * | 2007-08-14 | 2009-02-19 | Robert Bosch Gmbh | Reinigungsvorrichtung für eine kapselfüllmaschine |
WO2009021776A3 (de) * | 2007-08-14 | 2009-04-30 | Bosch Gmbh Robert | Reinigungsvorrichtung für eine kapselfüllmaschine |
Also Published As
Publication number | Publication date |
---|---|
US5460193A (en) | 1995-10-24 |
FR2699095B1 (fr) | 1995-01-13 |
FR2699095A1 (fr) | 1994-06-17 |
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