WO2011101215A1 - Ensemble pour ouvrir une soupape située sur une boîte sous pression - Google Patents

Ensemble pour ouvrir une soupape située sur une boîte sous pression Download PDF

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Publication number
WO2011101215A1
WO2011101215A1 PCT/EP2011/051122 EP2011051122W WO2011101215A1 WO 2011101215 A1 WO2011101215 A1 WO 2011101215A1 EP 2011051122 W EP2011051122 W EP 2011051122W WO 2011101215 A1 WO2011101215 A1 WO 2011101215A1
Authority
WO
WIPO (PCT)
Prior art keywords
plunger
valve
instruments
arrangement according
arrangement
Prior art date
Application number
PCT/EP2011/051122
Other languages
German (de)
English (en)
Inventor
Hans Heckenberger
Original Assignee
Kaltenbach & Voigt Gmbh
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kaltenbach & Voigt Gmbh filed Critical Kaltenbach & Voigt Gmbh
Publication of WO2011101215A1 publication Critical patent/WO2011101215A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/26—Accessories or devices or components used for biocidal treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/16—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant characterised by the actuating means
    • B65D83/20—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant characterised by the actuating means operated by manual action, e.g. button-type actuator or actuator caps
    • B65D83/201—Lever-operated actuators

Definitions

  • the present invention relates to an arrangement for opening a valve located on a pressurized can. Furthermore, the invention relates to a device which is provided for disinfecting, sterilizing and / or care of medical instruments and in which the arrangement according to the invention is used. In particular, the device should be used to prepare dental instruments. Medical or dental handpieces are tubular parts which the physician grasps as a gripping sleeve during treatment. A handpiece commonly used in dental practice is a so-called Bohrhand collaborative, which carries at its front end a treatment tool, in particular a drill and with its rear end by means of a coupling with a
  • Supply hose is coupled. Through the handpiece extend
  • Energy supply lines for driving the treatment instrument and fluid lines for treatment media, such as air and / or water.
  • Reprocessing equipment which perform all steps for cleaning and care of the dental instruments. These are devices that use a variety of different care and cleaning media to ultimately reprocess the instruments without the intervention of a user. Such devices are thus connected to different supply container for the various media and able to selectively remove the media from the containers.
  • At least part of the media used by such devices is provided in spray cans.
  • such cans have on their upper side a valve which allows the removal of the medium.
  • Reprocessing device has a corresponding connection device, via which the coupling with the valve is ensured.
  • the present invention is therefore an object of the invention to provide a novel arrangement for Publ en a spray can, in which the aforementioned requirements are met.
  • an arrangement for opening a valve located on a pressurized can which comprises a plunger serving as an actuator for actuating the valve stem and means for displacing the plunger in the direction of the valve stem.
  • the means for displacing the plunger also have a force conversion, in particular a lever reduction.
  • the inventive solution ensures that a selective opening and closing of the valve of the can is achieved with a relatively small force. Further measures, which are described below, ensure reliable opening and closing of the valve.
  • the means for displacing the plunger have an actuating lever which is coupled to the plunger.
  • the lever may be coupled via a clamping piece with the plunger, wherein at a
  • means may further be provided, which bias the plunger in a voltage applied to the valve stem position, wherein, however, the force of this means is dimensioned such that the valve is not actuated.
  • the various elements of the arrangement according to the invention can be arranged together on a carrier element, which is intended to be placed on the can to be opened.
  • the arrangement according to the invention is used in particular for use in a device for disinfecting, sterilizing and / or maintaining medical, in particular dental, instruments.
  • the system is not on the
  • FIG. 1 shows a sectional view of a process or rinsing chamber of a
  • FIG. 2 shows an exemplary embodiment of an arrangement according to the invention for opening a valve located on a can.
  • FIG. 1 shows first schematically the embodiment of a device for disinfecting, sterilizing and / or maintaining medical, in particular dental
  • the central element of the care device 1 according to the invention is a
  • Pressure vessel 2 which encloses a process or rinsing chamber 3.
  • Flushing chamber 3 the instruments to be cleaned or maintained 4 are arranged during the process flow.
  • the arrangement of the instruments 4 takes place here by means of an instrument carrier, on which a plurality of slots or couplings 5 are arranged.
  • different couplings 5 are provided so that instruments 4 can be processed with coupling systems from different manufacturers.
  • the lid 6 of the process chamber 3. This cover 6 provides the fluidic coupling of the to be cleaned Instruments 4 to a supply system safely. He is going through one
  • Locking device clamped on the collar of the pressure vessel 2 and sealed against this. About integrated in the cover 6 connecting pipes then the individual instruments 4 and their channels can be acted upon individually or jointly with a cleaning and / or care agent.
  • tap water is preferably filtered by means of an osmosis system with or without a downstream mixed-bed ion exchanger, the dissolved salts being removed.
  • the water at a quality of
  • ⁇ 15 ⁇ 8 / ⁇ is passed into a device-side reservoir, the level is controlled by a level switch, which is designed as a float switch, and the quality via a conductivity sensor.
  • the inlet into the reservoir is designed for hygienic reasons with a so-called free fall distance.
  • Process chamber 3 passed, this can be done via a pump or by suction via vacuum.
  • the water is heated by means of heating elements to about 45 ° C. It is ensured that the temperature is not above 45 ° C to prevent coagulation of protein.
  • the water is further circulated by means of a pump and spray nozzles, which on the lateral surface of the pressure vessel 2 or in a
  • Centraldom are mounted on the outer surfaces of the instruments 4 directed to clean them.
  • the cleaning water can be passed through the instruments 4 and / or the spray channels of the instruments 4 and / or for external cleaning through the spray nozzles of the process chamber 3.
  • the heating of the washing medium can be carried out during the circulation, so that the surfaces to be cleaned are first cleaned with cold washing medium.
  • the Detergent may in this case be added in the form of powder or in tablet form in the process chamber 3 or be metered from a corresponding reservoir.
  • the washing medium may consist of surfactants or phosphates and have a pH above 10.
  • the water is then passed from the reservoir into the process chamber 3 and then heated to about 45 ° C to 60 ° C.
  • the water rinse aid or neutralizer is added from another storage tank. Alternatively, due to the higher temperature in the
  • the liquid is in turn directed parallel or delayed or in the interval operation by the instruments 4 and the spray channels or directed via the spray nozzles on the outer surfaces of the instruments 4.
  • the rinse aid or neutralizer used is in particular phosphoric acid esters having a pH of from 3 to 5.
  • the liquid can in turn be drained from the pressure vessel in the sewer or remains in the container to the later care of the
  • Instruments 4 to take out excess excess care product or to rinse the oily instrument outer surface with warm liquid briefly. In this case, the liquid is drained only after the care process, where it may be helpful to pressurize the instruments 4 with compressed air to prevent ingress of water spray into the interior of the instruments 4. c) Maintain
  • care products are directed from a care product reservoir into the interior of the instrument so that the gears and bearings are lubricated.
  • the care agent can be injected in liquid form as oil or from a pressure cell in a compressed air jet. It is also possible to use the oil over in the
  • biodegradable fatty acid ester oil / white oil mixtures are used.
  • Rinse off After the care process described above, the instruments can be rinsed on the outer surface with the rinsing liquid still in the container. Alternatively, via a pump fresh water from the
  • the process chamber 3 is supplied with fresh water from the reservoir.
  • the process chamber 3 is for venting a
  • the air is sucked out of the process chamber 3.
  • the vacuum is up by heating the water over heating elements
  • the process chamber 3 is then filled with steam, and this process can be repeated several times, depending on the sterilization program.
  • the evaporated water volume can be replenished at each vacuum cycle, and alternatively, the entire amount of water required for steam generation can be introduced into the process chamber 3 at the beginning of the sterilization cycle.
  • Heating elements can be steam for pressure equalization during the venting or for sterilization also located outside of the process chamber 3
  • the instruments 4 are dried, in which the water vapor in the process chamber 3 is brought to the condensation. This is achieved by cooling the container wall or elements contained in the container, for example by passing water drawn from the supply container through them. The water can be supplied continuously or in intervals. After completion of the cooling process is the
  • a spray can as a reservoir for a substance to be used by the device 1, it must be ensured that a reliable opening and closing of the spray can is ensured.
  • the valve located on the can should be open only during the period of removal of the medium, then the valve should be closed again for safety reasons.
  • valve dome of a spray can is in an undefined height range.
  • opening and closing of the can should preferably be done with the aid of a lifting magnet.
  • this should be designed as small as possible, which is why a force conversion is required to provide a sufficiently high force to open the can valve available.
  • the system should be able to automatically adapt to different cathedral heights as possible.
  • This problem is solved with the aid of an arrangement according to the invention, which will be explained in more detail below with reference to FIG.
  • This is a generally provided with the reference numeral 20 arrangement which - as shown - is placed with the aid of a support member 25 on top of a spray can 50.
  • valve 51 is carried out primarily via a plunger 21 which is selectively moved by means of the inventive arrangement 20 up or down to close the can 50 and to open. Further elements of the inventive arrangement are a lever 22 for power transmission, which is coupled at its end with a - not shown - lifting magnet. At the
  • the mode of operation of the arrangement 20 according to the invention is as follows: By pulling on the lever 22, a tilting of the clamping piece 23 is effected due to the special coupling. This clamp takes the plunger 21 and pushes it down.
  • the arrangement of the elements is such that there is a lever reduction, which allows to use relatively small lifting magnet.
  • the plunger 21 is then down so far that it opens the valve 51 of the spray can 50.
  • the medium in the can 50 can be removed.
  • the plunger 21 is accordingly pressed together with the clamping piece 23 up until a position is reached in which the clamping between the clamping piece 23 and plunger 21 is released again.
  • the can 50 is closed again by the valve 51.
  • the plunger 21 is now in a position in which it immediately opens again the valve 51 upon a renewed actuation of the lever 22.
  • valve 51 of the box 50 can be opened and closed. This is achieved independently of the height of the valve dome, since the system may automatically adjust to the height due to the initially described pumping motion.
  • This pumping described above could also be omitted if, with the aid of another spring, the plunger 21 is advanced in such a way that it bears directly against the valve 51.
  • the spring force in this case must be sized so that it is less than the force required to open the can valve 51.

Landscapes

  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Abstract

L'invention concerne un ensemble (20) permettant d'ouvrir une soupape (51) située sur une boîte (50) sous pression, et présentant un poussoir (21) servant d'élément d'actionnement pour actionner la tige de soupape, et des moyens pour déplacer le poussoir (21) en direction de la tige de soupape, les moyens pour déplacer le poussoir (21) présentant une conversion de force.
PCT/EP2011/051122 2010-02-17 2011-01-27 Ensemble pour ouvrir une soupape située sur une boîte sous pression WO2011101215A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010002025 2010-02-17
DE102010002025.7 2010-02-17

Publications (1)

Publication Number Publication Date
WO2011101215A1 true WO2011101215A1 (fr) 2011-08-25

Family

ID=43823674

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/051122 WO2011101215A1 (fr) 2010-02-17 2011-01-27 Ensemble pour ouvrir une soupape située sur une boîte sous pression

Country Status (1)

Country Link
WO (1) WO2011101215A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3007613A (en) * 1958-07-17 1961-11-07 William J Tygard Valve actuator and support for pressure operated dispensers
CH620602A5 (en) * 1977-06-16 1980-12-15 Brill Spa Device for supplying aerosol from spray-type containers in a vertical or inclined direction and for fixing the container to a wall
WO2000023354A1 (fr) * 1998-10-16 2000-04-27 Whitmire Micro-Gen Research Laboratories, Inc. Dispositif distributeur de fluide
EP2103551A1 (fr) * 2007-01-19 2009-09-23 Fumakilla Limited Coiffe de type gâchette pour éjecteur d'aérosol

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3007613A (en) * 1958-07-17 1961-11-07 William J Tygard Valve actuator and support for pressure operated dispensers
CH620602A5 (en) * 1977-06-16 1980-12-15 Brill Spa Device for supplying aerosol from spray-type containers in a vertical or inclined direction and for fixing the container to a wall
WO2000023354A1 (fr) * 1998-10-16 2000-04-27 Whitmire Micro-Gen Research Laboratories, Inc. Dispositif distributeur de fluide
EP2103551A1 (fr) * 2007-01-19 2009-09-23 Fumakilla Limited Coiffe de type gâchette pour éjecteur d'aérosol

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Week 198104, Derwent World Patents Index; AN 1981-A5086D *

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