EP1648619A2 - Austragsvorrichtung, sowie dose zum einsetzen in eine austragsvorrichtung - Google Patents
Austragsvorrichtung, sowie dose zum einsetzen in eine austragsvorrichtungInfo
- Publication number
- EP1648619A2 EP1648619A2 EP04742003A EP04742003A EP1648619A2 EP 1648619 A2 EP1648619 A2 EP 1648619A2 EP 04742003 A EP04742003 A EP 04742003A EP 04742003 A EP04742003 A EP 04742003A EP 1648619 A2 EP1648619 A2 EP 1648619A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- discharge device
- discharge
- particular according
- cans
- valve
- 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- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
- B05B9/08—Apparatus to be carried on or by a person, e.g. of knapsack type
- B05B9/0894—Gun with a container which, in normal use, is located above the gun
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/14—Arrangements for controlling delivery; Arrangements for controlling the spray area for supplying a selected one of a plurality of liquids or other fluent materials or several in selected proportions to a spray apparatus, e.g. to a single spray outlet
- B05B12/1409—Arrangements for controlling delivery; Arrangements for controlling the spray area for supplying a selected one of a plurality of liquids or other fluent materials or several in selected proportions to a spray apparatus, e.g. to a single spray outlet the selection means being part of the discharge apparatus, e.g. part of the spray gun
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
- B05B15/55—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/02—Small extruding apparatus, e.g. handheld, toy or laboratory extruders
-
- 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
- B65D83/207—Actuators comprising a manually operated valve and being attachable to the aerosol container, e.g. downstream a valve fitted to the container; Actuators associated to container valves with valve seats located outside the aerosol container
-
- 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
- B65D83/68—Dispensing two or more contents, e.g. sequential dispensing or simultaneous dispensing of two or more products without mixing them
-
- 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
- B65D83/68—Dispensing two or more contents, e.g. sequential dispensing or simultaneous dispensing of two or more products without mixing them
- B65D83/682—Dispensing two or more contents, e.g. sequential dispensing or simultaneous dispensing of two or more products without mixing them the products being first separated, but finally mixed, e.g. in a dispensing head
Definitions
- Discharge device as well as box for insertion in a discharge device
- the invention relates first of all to a dispensing device for local foam which forms a handle with a receiving holder for an orbital foam can with two or more receiving holders for a can such as a local foam can and a can of further substance and at least one discharge tube connected to the dispensing device, the substances being able to be dispensed from at least two doses through the same discharge tube.
- Dispensing devices of this type are also known, in which two cans with different substances can be arranged, these substances being dispensed as a mixture via the dispensing tube by means of the dispensing device.
- the object of the invention is in any case to simplify the cleaning system in terms of handling.
- This object is first and essentially achieved in a discharge device with the features of claim 1 in that the discharge device has a switching element for alternately releasing the one discharge tube for the at least two substances.
- a discharge device of increased utility value is achieved: on-board equipment is available for the required cleaning.
- the can for the integrated additional substance has its own docking point.
- Working with such a device, here the so-called foam gun, is much easier. It is now no longer necessary to carry a separate socket with you at all times.
- Both sources of the discharge device are flow-connected or connectable to at least one discharge tube. The two cans themselves do not require a discharge tube, as is common with cartridges available on the market. Discharge via the same discharge tube can take place via a Y-fork.
- the one substance is the cleaning substance.
- the latter not only serves to clean the foam path of the foam gun, but also to remove fresh splashes of assembly foam and also to clean / degrease substrates.
- the described multi-way access can also be used in such a way that at least one substance is a supplemental substance such as expandable graphite.
- a supplemental substance such as expandable graphite.
- expandable material available in this regard reference is made to DE 100 60 513 AI.
- corresponding supplements can also be a wide variety of color admixtures.
- the invention proposes that two parallel discharge tubes are provided which are connected to at least one substance.
- the device can also initially have holders for two cans with discharge substances, which substances are each transported through a discharge tube.
- the Do se with the cleaning substance can be received in a third holder.
- both discharge tubes are then preferably released for the cleaning substance to flow through.
- two discharge tubes, assigned to their discharge end be put into one common mixing chamber open and that the mixing chamber has a discharge opening. Mixing occurs immediately before the foam bead is applied.
- An advantageous assignment of the cans is achieved when two cans are arranged in the receiving holders directed against each other.
- the handle at least partially surrounds at least one of the cans.
- the handle is so useful as a can chamber.
- at least one can is accommodated covered in the holder.
- At least one can is preferably arranged entirely within the handle.
- the handle of the receptacle holder receiving the nozzle has a cross-section that differs from the circular shape of the socket. This can be used in terms of grip to form a flat shape, so that such a grip lies well in the hand and can be safely aligned with the discharge device with respect to the destination.
- the handle does not turn in the holding hand.
- the handle is closed.
- the handle that holds the can has a lower lid shape that adjoins the handle. It is provided that the lid shape is firmly connected to the can as a part to be exchanged with the can. The part of the lid that complements the handle can have content detections that are also visible when assigned. Such a lid shape can even serve as an originality feature.
- An advantageous handling is achieved in that the switching element consists of a valve outside the cans, which opens the way to the discharge tube, and an actuating element for acting on the outlet valve of one of the cans.
- the switching element has a double function, on the one hand as a valve for clearing the way to the discharge tube for one or the other can and also as an actuating element in one of the aforementioned valve positions for releasing pressure on the one arranged in one of the cans, integrated valve.
- the valve on the switching element side and the actuating element can be combined as a structural unit.
- the switching element consist of a valve outside the cans, which opens the way to the dispensing tube, and an actuating element for acting on the outlet valve of one of the cans or for acting on a further release valve.
- the switch-side valve and the actuating element or the further release valve can be combined as a structural unit.
- the switchover element can also be a switch that can be actuated independently of a discharge actuation, for example via a hand lever.
- the actuation of the switching element consequently does not result in the direct discharge of one or the other substance in this embodiment. Rather, the actuation of a trigger-like actuation lever is necessary for the discharge.
- the switching element is only used to prepare for the release of one or the other substance.
- the outlet valves of the cans can remain in a permanent open position by correspondingly holding them.
- the feed channels of the cans up to the release valves on the device side are always under pressure.
- the discharge of the selected substance is made possible by switching over by means of the switchover element and the associated relocation of one or the other release valve into the position in which the feed line is connected by line to the discharge tube.
- only one of the cans can be arranged on the device in such a way that its outlet valve remains in a permanent open position, while the outlet valve of the other can is arranged in the device in an unloaded state.
- Via the switching element either the device-side release valve associated with the can provided with the permanently open outlet valve is opened or the outlet valve of the other can is acted upon directly via the actuating element.
- the switching element can be directly connected to the outlet valve of a do- act or release corresponding discharge paths for one or the other substance by acting on a release valve in the device.
- more than two cans of a device can also be controlled via the switching element, for example two cans for the preparation of a two-component foam, the substances of which are mixed in a corresponding chamber with simultaneous release, for example before entering the discharge tube.
- the switching element is therefore in a position in which both cans are unlocked.
- a third can with the cleaning substance is activated via the switching element.
- the device can also be provided with two holders for receiving two-component cans.
- the switchover element is aligned such that both channels facing the cans are connected in line with the discharge tube, while in the cleaning position of the switchover element only the channel of a predetermined holder for receiving the cleaning canister with the discharge tube and possibly with the upstream mixing chamber is connected in terms of flow.
- the switch is preferably a rotary switch, it being further proposed in this regard that the rotary switch acts on the release valve via a hinged lever. This lever is further preferably articulated eccentrically to the axis of the rotary switch, the free end of the lever acting translationally on the release valve.
- the rotary switch can act on the release valve via a cam control, for example via a cam arranged on the physical axis of the rotary switch.
- One or the other release valve is preferably biased in its open or closed position, it being preferred in this regard that the release valve assigned to the can with the cleaning substance is biased into the open position by means of a spring, while the release valve of the other can, for example the local foam can, is biased Spring in the closed position is excited.
- the device-side release valve clears the way for the substance into a transition chamber upstream of the discharge pipe. This transition chamber is moreover preferably flow-connectable to both cans, so if necessary with the interposition of release valves.
- the discharge tube is penetrated by a locking needle passing through the transition chamber, via which the dispensing of one or the other substance can be controlled by means of an actuating lever, the locking needle, in cooperation with the discharge tube, constituting a dispensing valve, as is the case, for example, in the area of paint spray guns is known.
- the quantity dispensed when the actuating lever is moved can also be preset using such a locking needle.
- the shut-off needle can interact with the discharge-side end of the discharge tube. In this regard, an alternative is proposed in which the shut-off needle interacts with the end of the discharge tube on the holder side and consequently, facing the transition chamber, constitutes a valve miss.
- the actuating element can optionally be actuated with the aid of a switching part by means of the actuating lever, with a separate actuating element preferably being assigned to each can, via which the integrated outlet valve of the can is acted upon.
- a separate actuating element preferably being assigned to each can, via which the integrated outlet valve of the can is acted upon.
- the one or the other actuating element for releasing the respective can contents is acted upon via the actuating lever.
- the switching part acts on a transmission lever, which in turn acts on an actuating element.
- the transmission lever itself can form the actuating element.
- the switching part is arranged concentrically to a locking needle and is further preferably rotatable about an axis perpendicular to the actuation axis of the actuation lever.
- lever accessible for dispensing the first or second can contents.
- the actuating lever overlaps the switching part with a clearance in a position that does not act on the dispensing valve of the second box.
- the handle with the actuating lever is arranged in relation to the discharge tube arranged at the front and partly in overlap with one of the cans.
- the Do sen together with the handle form a triangular arrangement, with the two cans or the holding portions of the applicator receiving them enclose approximately a right angle to each other.
- one of the cans, more preferably the can containing the second substance is arranged approximately flush with the discharge tube.
- the switching element can also be arranged in the region in which the longitudinal axes of the cans converge.
- the switching element can also be arranged in a gusset area which is enclosed by the longitudinal axes of the cans.
- the actuating lever is arranged within the triangle spanned by the handle and the cans, and consequently lies in a protected position within the triangular arrangement.
- the switching element is furthermore arranged with respect to both cans on the side of the discharge tube and in its axial extension, a preferred positioning of the switching element being proposed in a crossing region of the axis of the discharge tube and one of the can axes.
- the actuating lever on the side of the discharge tube is covered by a shield-like protective part. As a result, contacting the operator counteracted in the course of the discharge with the discharge medium.
- the protective part can be cantilevered.
- the invention further relates to a discharge device according to the features of the preamble of claim 1, it being proposed in this regard in order to achieve improved handling or cleaning that the discharge through the discharge tube can be controlled by a locking needle interacting with the discharge tube, the locking needle with the hal - Interaction end of the discharge pipe interacts.
- triggerable substance delivery is achieved, for example by axially displacing the closure needle within the discharge tube, a closure valve formed in the sealing seat between the closure needle and the discharge tube being opened.
- this closure valve is formed in the holder-side end, that is to say in the area of the substance entering the discharge tube, so that the opening cross section of the discharge tube can be relatively large over almost the entire length thereof, which means that the passage of the substance, in particular if it is a Local foam or the like is easier and also offers an improved cleaning option.
- the tube cross section is free because the needle does not penetrate it.
- the outlet valve of the one can possibly also that of the further can, is constantly open and the discharge can be controlled via the shut-off needle.
- the device or the channels which are connected in terms of flow in terms of flow are under permanent pressure, since their outlet valves are held in a permanent open position by the selected fixing of the boxes on the device.
- the invention then relates to a can for insertion into a local foam discharge device, the can also containing a substance other than local foam, such as a cleaning substance and / or expandable graphite, and further suggests that the can has a lid shape for closing Fitting in a receptacle of the discharge device, and that the shape of the cover of the cylindrical box provides a roll-off protection.
- the can does not roll off the scaffolding planks.
- the lid shape is on the bottom of the can, on the side opposite the dispensing valve. This eliminates the risk of confusion.
- FIG. 1 shows the discharge device designed as a foam gun in a perspective side view, ready for use, according to the first exemplary embodiment
- FIG. 3 shows the further box in an isolated representation representation with bottom-side cover molding, diagrammatically;
- 4 is also a perspective view illustrating the loading process of the can containing the further substance; 5 shows a schematic representation of the switching device of the discharge device, set to foaming;
- FIG. 7 shows a discharge device in a more rudimentary form of the pistol shape, showing two parallel discharge tubes, converging into an end-side mixing chamber, embodying the second exemplary embodiment
- Fig. 8 is a side view of this discharge device, largely schematic
- FIG. 9 is a perspective view of a discharge device relating to a third embodiment.
- FIG. 11 shows a schematic illustration of the actuating device of the discharge device in a further embodiment
- 13 shows a schematic sectional illustration of the valve-side head region of a can
- 14 shows a further embodiment in a schematic sectional illustration, the position in which supply channels of both cans are valve-closed to the discharge tube;
- 15 is a schematic illustration of the switching element and its elements acting on the device-side valves
- FIG. 16 shows a representation corresponding to FIG. 14, but relating to the valve open position of the one can;
- FIG. 17 shows a representation corresponding to FIG. 15, relating to the position according to FIG. 16;
- FIG. 18 shows a further illustration corresponding to FIG. 14, relating to the valve opening of the other nozzles;
- FIG. 19 shows the schematic representation of the switching element in the position according to FIG. 18;
- FIG. 20 shows a schematic perspective illustration of the functional elements of the dispensing device according to FIG. 14, without an actuating lever and
- FIG. 21 shows a perspective sectional illustration of a valve with a cam which acts on it and can be controlled via the switching element.
- the discharge device 1 shown in the exemplary embodiments shown in FIGS. 1 to 9, 11 and 14 has a handle 2 directed downwards.
- the handle 2 is ergo no metrically tuned to the conditions of a human hand 3 more of an adult.
- a screw connection extends from the front, on which the foot 7 of the discharge tube 4 carrying a corresponding internal thread is screwed on.
- the discharge tube 4 which is, however, realized in pairs there, is also carried out frontally on the housing 6. This is an extrusion coating.
- the discharge device 1 has a holder 8 for a foam insert 9.
- the contained substance, local foam, is labeled I. It can be ready-to-use, in contact with air-hardening foam.
- the mounting bracket 8 attaches to the top of the housing 6.
- the discharge device 1 is given at least one additional holder 10. This is used to assign a can 11 containing another substance ⁇ .
- the further mounting bracket 10 sits on the underside of the housing 6.
- substances I, II can be dispensed from at least two cans 9, 11 through one and the same discharge tube 4.
- the two cans 9, 11 are not aligned in the same direction, but in the opposite direction, that is to say on the discharge side, facing one another in their receiving holders 8, 10.
- the included angle is in each case approximately 60 ° to just below 90 °.
- the can 9 takes up a relatively steep assignment.
- the discharge end 4 'of the discharge tube 4 or 4, 4 opens into a discharge opening 12.
- a mixing chamber 13 is located behind the discharge opening 12. It can be formed in sections or can be implemented over the entire length of the discharge tube 4. With regard to further details of such a mixing section, reference is made to DE 100 60513 AI explained at the outset.
- the discharge device 1 can produce the ready-to-use foam according to the previous description using the two-component mashing process, with the substances being borrowed from two sources.
- one can contains 9 polyol, usually also a mixture.
- the discharge device 1 can be designed as a self-cleaner, that is, in order to clean the dispensing path.
- the discharge device 1 has a switching element 14. It is a rotating body with a wing 15. It is accessible for actuation in the area of the thumb 16 of the hand 3. Its assignment limits the end stop. It lies in a sectoral focus.
- the switching element 14 serves to alternately release the discharge tube 4 for the at least two substances I, ⁇ .
- the substance II contained in the smaller volume can 11 is a cleaning substance. This can be a mixture based on acetone. To release its action, the wing 15 is pivoted out of its "foam” position into a “clean” position, comparable to a safety lever of a pistol.
- At least one substance II is a supplementary substance such as expandable graphite.
- the actuating lever 5 also releases this source or Do 11 11 in terms of switching technology.
- Polyol can be used here as an embedding substance.
- the graphite mixing serves, for example, for the thermo-reactive intumescent finish. Appropriate means are used, for example, in construction.
- the further can 11 or further can 11 may contain special plasticizers or hardeners.
- discharge device 1 which, according to which two parallel discharge tubes 4, 4 are provided, have the flow connection to at least one substance.
- the heads of the cans 9, 11 can be docked for a short time, that is, they can sit predominantly cantilevered on the discharge device 1. This applies above all to the discharge device 1 according to the first exemplary embodiment, especially with regard to the can 9.
- the handle 2 surrounds at least one of the cans 9, 11 at least partially, at least in larger areas.
- the heads of the cans 9, 11 plunge quite deeply into the housing 6 and are assigned there so that they can be removed via the receiving holder 8 or 9.
- a screw connection can grip here, but a latching connection is conceivable and preferred.
- the cross-section mentioned is designed as deviating from a circular shape of the box 11, in the sense of a flat, well-grip grip that lies securely in the hand 3.
- a rectangular shape with convex rounded corners but preferably to an oval shape with a semicircular end contour that corresponds to the circular shape of the box 11.
- FIGS. 3 and 4. It can be seen there that the lid shape 17 of the can 11 is shaped like a hat or has a pot shape.
- the cover shape 17 is firmly connected to the bottom of the cylindrical can 11. It is realized as a part to be exchanged with the can 11 and can thus be used advantageously for content identification.
- the lower section of the cover molding 17 is rounded with a pleasing edge, the wall sections adjoining the corresponding rounding being identical in terms of extent to those of the handle.
- the further receptacle holder 10 can be used to fix the can 11 equipped with the lid shape 17. On the bottom side, all that is required is a congruent centering between the lower edge of the handle 2 and the upper edge of the lid shape 17. A shoulder-forming wall offset can be carried out here.
- the recognizably expansive part compared to the cylindrical box 11 results in a roll-off protection.
- the lid shape 17 is further free over a portion of the cylindrical wall of the can 11 such that space 18 is available for finger intervention.
- the handle 2 is arranged there between an upper-side housing 6 and a lower-side housing part 6 '.
- the handle 2 is seen as a cross-section tapering part in the manner of a waist.
- the actuation lever 5 and the actuation-accessible switch element 14 project freely accessible into the area of the corresponding constriction (the latter is predominantly hand-overlapped here).
- the switching element 14 realized as a turned part merges into a bevel gear 21 towards the interior of the housing. This meshes with another bevel gear 22. A chick 23 is rotated via this angular drive. The latter has a central guide channel 24 which adjoins the discharge tube 4 in terms of flow technology.
- Outward, axially spaced transverse channels 25, 26 extend from the guide channel 24.
- the latter have a blocking or releasing action with inlets 27, 28.
- the inlet 27 lying at the front in the discharge direction connects to the filling space of the can 9.
- Inlet 28 is in supply connection with box 11.
- the switch position "foam” is shown in Fig. 5; the switch position "clean” is shown in Fig. 6.
- the switching element 14 can be brought into a position in which both the Inlet 27 and the inlet 28 can be interconnected with the guide channel 24 via transverse channels. This if necessary with the interposition of a mixing chamber, not shown.
- the holder 8 can open a can 9 with polyol. take while in the holder 10 a can 11 is arranged with, for example, modified isocyanate.
- the switching element 14 is to be moved into a position in which the inlet 28 of the further socket 11 is closed; corresponding to the illustration in FIG. 5.
- the holder 10 serves to directly receive a can provided with a cleaning substance, which can be activated in a switchover element position according to the illustration in FIG. 6.
- switching element 14 can also have a position in which none of the inlets 27, 28 is connected to the guide channel 24 in terms of flow.
- the discharge device 1 in particular the discharge device 1 according to the representations in FIGS. 7 and 8, can be provided with a third holder for holding a can with a cleaning substance, for which purpose the switching element 14 also has a further position in which the zid paths the cans 9 and 11 having the two foam components are interrupted and the inlet path of the cleaning can accommodated in the further receiving holder is released.
- the cleaning substance exits through both discharge tubes 4 'and through the mixing chamber 13.
- the angle of rotation of the plug 23 is exaggerated, covering approximately 180 °.
- the wing 15, however, has a fin-out range of slightly less than 90 °. This action area is more realistically sufficient for adjusting the channel openings in the sense of closing or releasing.
- the wing 15 in the "clean" position points in the same direction as the application direction of the cleaning substance.
- the functional positions can be printed.
- FIG. 9 shows a further exemplary embodiment of the discharge device 1, which is designed like a pistol, similar to the first exemplary embodiment.
- the respective substance I is directed in opposite directions, are held in their receptacle brackets 8, 10 in an ironing manner on the discharge side.
- the can 9 containing the substance I extends - based on a customary handling orientation of the discharge device 1- above the longitudinal central axis x of the discharge tube 4 and the can 11 containing the substance LI below it, the two cans 9, 11 and their receptacle further -Mounts 8, 10 are arranged at an acute angle to the longitudinal central axis x, in a fleeing orientation.
- the switching element 14 arranged in the housing 6 is positioned in the area of intersection of the longitudinal central axis x of the discharge tube 4 and the longitudinal axis y of the first can 9.
- the longitudinal axis z of the second, downwardly directed can 11 intersects the elongated longitudinal axis x in a rear region of the housing 6 that is spaced apart from the switching element 14.
- the second box 11 or its holder 10 forms the handle 2, which is ergonomically adapted to the conditions of a human hand.
- the operating lever 5 is arranged lying in front of this handle 2.
- the actuating lever 5 is covered by a shield-like protective part 30 on the side facing the discharge tube 4.
- the latter extends from the receptacle holder 8 for the can 9 and the longitudinal axis x of the discharge tube 4, on the underside of the housing 6, cantilevered beyond this, to protect the operating hand from swelling discharge material.
- the protective part 30 has a width which is adapted to the housing width or to the width of the actuating lever 5.
- the width of the protective part 30 is larger.
- An extension of the protective part 30 in the form of a circular section, based on a plan view of the discharge device 1, is also conceivable for partially enclosing the operating hand.
- FIG. 10 shows a further alternative embodiment of the discharge device 1, in which the two cans 9, 11 or their receptacle e-holders 8, 10 are arranged approximately at a right angle to one another.
- the second can 11 or its holder 10 is aligned approximately flush with the discharge tube 4.
- the receptacle holder 10 or the can 11 encloses an acute angle of approximately 5 to 15 ° to the longitudinal axis x.
- the longitudinal axis y of the first can 9 or its mounting bracket 8 is correspondingly inclined at an angle, this inclined profile being directed further backward with respect to the discharge tube 4.
- the handle 2 Starting from the free end of the receptacle holder 10 for the second can 11, which is oriented approximately in the extension of the discharge tube 4, extends the handle 2 in the shape of a hypothenus, whereby a triangular arrangement is formed together with the cans 9, 11 or their mounting brackets 8, 10. Specifically, the handle 2 extends in a convexly curved, freely projecting manner, the free end 31 of the handle 2 ending at a distance from the jacket wall of the can 9, which projects freely in this area.
- the actuating lever 5 is arranged within the triangle spanned by the handle 2 and the cans 9, 11.
- the switching element 14 initially consists of a switching part 32, which is arranged concentrically to a locking needle 33 passing through the discharge tube 4 so as to be pivotable about the longitudinal axis x.
- This switching part 32 has two cams 34 and 35, one cam serving to interact with the actuating lever 5.
- the actuating lever 5 has a correspondingly designed recess 36, in which the cam 34 engages when the switching element or switching part 32 is in the appropriate position.
- the further cam 35 serves to act on a transmission lever 37 arranged in the housing 6 and acting on the integrated valve 38 of the second socket 11 at the other end.
- the actuating lever 5 acts in the "foaming" position on a further transmission lever 42 acting on the can.
- a free passage is provided, which is dimensioned such that when there is a corresponding
- Switching part setting an action on the transmission lever 37 acting on the socket does not cause a shift of the further transmission lever 42.
- this clearance is canceled or overflows to a position in which the actuating lever 5 shifts the further transmission lever 42 , via which the latter in turn a sliding displacement of the valve V is achieved.
- the branch channel 41 is moved out of the assignment area of the inlet 28 and the line 39.
- a transverse channel 43 comes into operative position, which connects the line 39 to the inlet 27 of the foam container 9.
- valve V is thus part of the switchover element 14, this valve V simultaneously forming an actuating element 45 on the end, facing the outlet valve 44 of the nozzle 9, for axially displacing the outlet valve 44, according to which the substance I via the inlet 27, the cross-channel 43 and via the Leitimg 39 can emerge from the discharge tube 4.
- the outlet valve 44 of the can 9 is shown schematically in FIG. 13. This corresponds to the usual design of such a valve. Axial displacement inwards clears a path for the pressurized substance I.
- An actuating element 46 acting on the closure needle 33 by rotation serves to regulate the dispensing quantity.
- FIGS. 14 to 21 show a further embodiment of the discharge device 1.
- the switching element 14 can be adjusted independently of a discharge actuation via the actuating lever 5. Accordingly, the shifting of the switching element 14 does not effect the simultaneous discharge operation.
- the switching element 14 is designed as a rotary switch.
- This rotary switch 47 is provided on both sides of the device 1 for left and right actuation. These two rotary switches 47 are connected to one another via an axis of rotation 48. A radially protruding cam 49 sits on this approximately in the middle.
- This cam 49 acts on the underside against the bottom of a device-side release valve V, which is accommodated in a linearly movable manner in a valve chamber 50.
- the valve V interacts with a valve seat 51 in the valve chamber cover 52, for the sealing closure of a transverse channel 26.
- the inlet 28 opens laterally into the valve chamber 50, which ends at the other end in the receptacle holder 10 for the can 11 of further substance LT. Latter is fixed in the receptacle holder 10 in such a way that its dispensing valve 38 is held in a permanent open position, according to which the inlet 28 is always pressurized.
- the release valve V is biased into the valve open position by means of a spring, not shown.
- the valve closure position is achieved by acting on the underside of the valve base via the cams 49.
- the other can 9, in particular a local foam can 9, is also assigned a release valve V "on the device side.
- This can be designed such that the flow path for the substance I of the can, provided with an outlet valve 44 held in a permanently open position, by means of the valve V" can be interrupted - similar to the design with respect to the further box 11 and the associated release valve V.
- the release valve V acts on the outlet valve 44 of the foam container 9 by axial displacement, the outlet valve 44 being opened in the course of this axial displacement of the release valve V".
- the release valve V " is designed in this case as a hollow body, for forming a passage.
- the release valve V ′′ can also be controlled via the changeover element 14, for which the latter has an actuating element 45.
- This is articulated on one end eccentrically on the changeover element 14 or on the rotary switch 47 and on the other side acts by translating the rotary movement of the rotary switch 47 into a translational movement the release valve V ".
- the actuating element 45 is designed in the form of a lever which, near the end region facing the release valve V ′′, has a guide on the device side learns what a lever-side pin 53 is guided between two guide wings 54.
- the release valve V "for the substance I is also spring-biased.
- the compression spring 55 shown in the illustrations acts on the release valve V" in the closed position in which the passage of the substance I through the assigned transverse channel 25 is prevented, or in which the outlet valve 44 of the assigned socket 9 is not acted upon.
- the two transverse channels 25 and 26 open into a transition chamber 56 upstream of the discharge tube 4 in the direction of flow of the substance I or II. This is arranged in the axial extension of the discharge tube 4 within the discharge device 1 and is penetrated by a closure needle 33.
- This closure needle 33 is in the Region of its end facing away from the discharge tube 4 via a compression spring 57 into a discharge
- the corresponding free end of the closure needle 33 is conical in shape and interacts with a corresponding conical surface of the discharge tube 4 for the sealing closure of the discharge channel.
- the discharge closed position can be canceled by swiveling the actuating lever 5 and an associated axial backward displacement of the locking needle 33 against the force of the compression spring 57, after which the substance I or II, provided that the release valve V or V "in has previously been displaced the open position, the assigned Cross channel, passing through the transition chamber 46, in this case the end of the closure needle 33 flowing through the discharge tube 4 and finally through the discharge opening 12.
- FIGS. 14 and 15 show a switch position of the switching element 14 in which both transverse channels 25 and 26 are closed by the release valves V and V ", consequently also when the lever 5 is actuated and the associated shifting of the locking needle 33 into the output release position no substance I or LT escapes.
- the release valve V which may be under pressure, also remains in the closed position, due to the support on the underside on the cam 49.
- the outlet valve 44 of the foam container 9 is not actuated via the release valve V ′′.
- FIGS. 16 and 17 show a switching element position in which the transverse channel 26 of the cleaning substance is still closed by the release valve V.
- the cam 49 pivoted by the rotary switching movement of the changeover element 14 is still in a position supporting the release valve V, whereas the lever-like actuation element 45 has caused a linear displacement of the release valve V ′′ due to the eccentric articulation.
- the outlet valve 44 is via this release valve V ′′ of the local foam can 9 is pushed into an open position, according to which the substance I can enter the transition chamber 56 through the release valve V ′′ and the associated transverse channel 25.
- the substance I can only be dispensed through the discharge tube 4 after the locking needle 33 has been moved by actuation of lever 5 reachable.
- FIGS. 18 and 19 show the release position for the further can 11 - in particular the cleaning position -. Due to the further rotational displacement of the switching element 14, the release valve V loses the support tongue of the cam 49, whereupon the valve V spring-loaded drops into the position releasing the transverse channel 26. Correspondingly, the inlet 28 of the further box 11 is fluidly connected to the transition chamber 56. The release valve V "is shifted into the valve closing position via the lever-like actuating element 45.
- the dispensing of the cleaning liquid or its passage through the discharge tube 4 also takes place here by axially displacing the closure needle 33.
- the selected arrangement also ensures the cleaning of the transition chamber 56 and at least partial areas of the transverse channel 25 assigned to the foam container 9.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Details Of Rigid Or Semi-Rigid Containers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10333636 | 2003-07-24 | ||
DE102004034778A DE102004034778A1 (de) | 2003-07-24 | 2004-07-16 | Austragsvorrichtung, sowie Dose zum Einsetzen in eine Austragsvorrichtung |
PCT/EP2004/051552 WO2005009628A2 (de) | 2003-07-24 | 2004-07-20 | Austragsvorrichtung, sowie dose zum einsetzen in eine austragsvorrichtung |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1648619A2 true EP1648619A2 (de) | 2006-04-26 |
Family
ID=34105471
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04742003A Withdrawn EP1648619A2 (de) | 2003-07-24 | 2004-07-20 | Austragsvorrichtung, sowie dose zum einsetzen in eine austragsvorrichtung |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1648619A2 (de) |
DE (1) | DE102004034778A1 (de) |
WO (1) | WO2005009628A2 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2009244603B2 (en) * | 2008-05-06 | 2013-10-31 | Graco Minnesota Inc. | Cleaning fluid cartridge |
EP3335798A1 (de) * | 2016-12-15 | 2018-06-20 | Greenseal Chemicals nv | Ausgabepistole mit einer einwegdüse |
BE1025578B1 (nl) * | 2018-03-16 | 2019-04-24 | Altachem Nv | Vloeistofafgiftepistool en werkwijze voor het afgeven van 1k-polyurethaan schuim |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB467725A (en) * | 1936-12-09 | 1937-06-22 | Sparklets Ltd | Improvements in spraying apparatus for dental, medical and like purposes |
US2595317A (en) * | 1946-05-06 | 1952-05-06 | Jr Roby Byron White | Spray gun |
CH668009A5 (fr) * | 1985-09-13 | 1988-11-30 | Plastics Consultancy Office Ag | Pistolet portable pour la projection de produits chimiques. |
DE10060513A1 (de) * | 2000-12-06 | 2002-06-20 | Illbruck Gmbh | Kartuschenset zur Ausbringung von Ortschaum |
US6533187B2 (en) * | 2001-02-14 | 2003-03-18 | Illinois Tool Works Inc. | Adhesive dispensing gun |
DE10150737A1 (de) * | 2001-10-15 | 2003-04-30 | Hilti Ag | Mehrkomponenten-Ortschaumsystem und dessen Verwendung |
-
2004
- 2004-07-16 DE DE102004034778A patent/DE102004034778A1/de not_active Withdrawn
- 2004-07-20 WO PCT/EP2004/051552 patent/WO2005009628A2/de active Application Filing
- 2004-07-20 EP EP04742003A patent/EP1648619A2/de not_active Withdrawn
Non-Patent Citations (1)
Title |
---|
See references of WO2005009628A2 * |
Also Published As
Publication number | Publication date |
---|---|
DE102004034778A1 (de) | 2005-02-17 |
WO2005009628A3 (de) | 2005-04-14 |
WO2005009628A2 (de) | 2005-02-03 |
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