DE6904294U - DOSING DEVICE FOR POWDERY OR GOREY GOOD - Google Patents

Description

ing. K. HOLZEB

AÜOSBÜBG

. BMTS

St. 11

Augsburg, February 3, 196g

Franz Stadler, Augsburg, Prinzregenten Strasse 9

Dosing device for powdery or granular material

Dosing devices for powdery or granular material have been in numerous designs for a long time Known time. For example, the German Auslegeschrift 1 268 402 and the German Patents 7 ^ 5 720 and 59 O65 metering devices for metering mixtures from oil cake and flour, from crackable, easily baking materials such as tracer sets and from grain, and the German utility models 1 356 308 and 1 845 603 show Dosing devices for animal feed or for pickling and encrusting agents. All of these metering devices have

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as a metering element on a hollow drum, which is rotatably mounted in the manner of a rotary valve in a correspondingly shaped housing. The hollow drum is designed as a trough in such a way that its interior, when the trough opening is at the top, is connected to an inlet funnel located at the top of the housing and that when the trough opening rotates downwards, the contents of the drum are emptied downwards into a receiving funnel connected to the housing, while at the same time the drum wall acts as a closure in front of the lower mouth of the upper inlet funnel. In the case of the metering device described in the German utility model 1 856 308, the fit _fa <: n of the metering drum can be changed by an axially displaceable bar that protrudes into the drum at the front side.

Powdered or granular foodstuffs or luxury foods, such as coffee powder, cocoa powder, tea powder, Milk powder, egg powder, ice cream powder, freeze-dried coffee, fiaspel chocolate, ground coffee or the like in metal buckets or tin cans with sunken lids, soldered cans, glass, ceramic or plastic containers with screw or plug-in thread mouth closure or in cardboard boxes with slip-on lids placed on the market. To the Dosage of such goods at the consumer or distributor are used measuring spoons;

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larger measuring vessels. A dosing process therefore includes opening the relevant container, one more or less laborious manual removal of the container contents by means of the relevant dosing vessel and a subsequent reclosing of the container in question.

The object is to be achieved by the innovation, the dosing of powdery or granular material, in particular To simplify powdery or granular foodstuffs or luxury items, such as powder coffee or ground coffee and to enable immediate removal from the relevant packaging container without this each time specially for this needs to be opened and then closed again.

According to the innovation, this task is performed by a metering device solved, which by a stationary attachable (j housing with an upper connection piece for connecting a exchangeable powder container, one at the bottom of this Connecting piece adjoining and by means of a connecting bore connected to it the metering slide housing with a metering slide and a metering slide housing connected to the bottom and through a connecting hole is effectively marked with this connected drainage port. The powder container connector

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preferably has the shape of an upwardly widening, receiving the powder container in its wide mouth Funnel with holding means for the powder container. In the wide mouth of this powder container connection piece a it is advisable to connect to the mouth opening of the powder container applied ring seal arranged.

According to the innovation, the holding means for the powder container can either have the form of one or more resilient retaining clips that snap against the bottom edge of the powder container in question or are supported on the bottom of the powder container, or they can take the form of a gripping around the base of the powder container with have its ends attached to the powder container connector or attachable strap. In a modification of this, the holding means for the powder container according to the innovation can have the form of a ^{screw or plug thread arranged at the wide mouth of the powder container connecting piece v} which interacts with a corresponding mating thread of the powder container in question.

The DoBierschieber the dosing device according to the innovation can either be in the form of a linearly displaceable slide valve with a direction transverse to the direction of displacement

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a dosing chamber or the known form of a trough-like

Ι trained rotary valve.

The housing of the metering device according to the invention can be equipped with holding means, preferably with a T-pin that can be snapped into a corresponding wall recess which it can be releasably attached to a stationary wall.

One or more parts of the metering device according to the invention can be made of hot washable plastic.

The dosing device according to the innovation brir - not only in the household, but especially in large companies, such as in restaurants, factory canteens, hotels, hospitals, Wehrmacht catering companies, ships, dining car companies or plug-generating a considerable reduction in workload and a significant increase in occupational hygiene, since the packaging container in question is only opened once and then immediately sealed can be connected to the dosing device so that the operating personnel do not come into contact with the contents of the container can come. The metering process is significantly accelerated by the metering device according to the invention and the accuracy the dosage is significantly improved. Finally, the metering device according to the invention is simple in its construction

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and easy to disassemble and consequently cheap and easy to clean to manufacture.

The innovation is now described below with reference to the

j attached drawings in detail based on some!

preferred three-dimensional shapes, for example. In the j drawings represent: j

1 shows a schematic longitudinal-axial section

by a three-dimensional shape of a metering device according to the innovation,

2 shows a schematic transverse axial section

by the three-dimensional shape of a metering device according to the innovation shown in FIG. 1,

3 shows an enlarged partial illustration from

Fig. 2,

Fig. 1 \ a schematic front view of the

1 to 3 shown three-dimensional shape of a metering device according to the innovation,

Pig. 5 a of FIG. K similar front view,

However, which the metering slide of the metering device according to the innovation in shows another operating position,

Fig. 6 is a partially sectioned and partially

broken schematic side view a different spatial shape of a metering device according to the innovation,

7 is a partially sectioned schematic

Front view of a further three-dimensional shape of a metering device according to the innovation,

Fig. Δ is a partially sectioned schematic

Front view of yet another three-dimensional shape of a metering device according to the innovation and

Pig. 9 is a partially sectioned schematic

Front view of yet another three-dimensional shape of a metering device according to the invention.

That shown in Figures 1 through 5 of the drawings The three-dimensional shape of a metering device according to the invention has a

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preferably made of hot washable plastic or metal housing 1, which for example by means of a a common piece with it forming T-pin in a, a corresponding vertical insertion slot 3 having and retaining recess 5 provided with locking pegs 4 a wall plate 6 can be fastened. The wall plate 6 can, for example, the wall of kitchen furniture or the wall of a * ~ v be dining car or airplane kitchen area.

The housing 1 has an upwardly extending funnel-shaped connection piece 7 sum connection of a replaceable Powder material container 8, a metering slide housing 9, which adjoins this connecting piece 7 at the bottom, and a adjoining this Dosiersqhiebergehäuse 9 at the bottom Drain port 10 on.

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Is it the powder container in question?

^v - to a glass, ceramic or plastic ge barrel with screw thread or. Plug-in thread-mouth closure, the connecting piece 7 is provided with a corresponding internal thread 11, into which the mouth thread of the powder container in question can be screwed or pushed. At the bottom of the wide mouth of the funnel-shaped connection piece, a sealing ring 12 made of elastic, hot-washable material is expediently attached, to which the mouth

edge of the powder container concerned when screwing in or pushing in.

The narrower mouth of the funnel-shaped connecting piece 7 is connected via a wide vertical bore 13 to the metering slide housing 9, into which this bore opens from above. From below, a funnel-shaped vertical bore 14 of the emptying connector 10 opens with its wide mouth './ into the valve housing 9. The funnel-shaped vertical bore I ¹ J ^v ann in an insert 15 of the flush valve assembly 10 be formed which can for example consist of hot washable plastic.

The metering slide housing $ has a continuous cylindrical horizontal bore ίβ, in which a rotary metering slide 17 designed in a manner known per se as a hollow cylinder trough is rotatable but tightly inserted. The metering slide 17 has an internal thread 18 on one of its open end faces, into which a screw plug 19, preferably also made of plastic or metal, is screwed tightly. By screwing this screw plug 19 more or less deeply into the interior of the hollow cylindrical rotary valve 17, its fit and thus the dosage can be changed. On the closed face of the metering slide 17 is a

disc-shaped rotary handle 20 is formed. The disk part of the rotary handle 20 has an outwardly protruding collar 21 which cooperates with a counter surface formed on the outside of the funnel-shaped connecting piece 7 behind a retaining lug 22. The collar 21 protrudes less radially over one half 21a of its circumference, so that it can slide past the opposing surface formed behind the retaining lug 22, while it protrudes radially further over the other half 21b of its Urafange I, so that in this way with the A rotation stop is formed on the conscious opposite surface, which prevents the rotary handle 20 and the metering slide 17 from being rotated in the angular range of this further protruding collar half 21b. This defines two limit positions of the metering slide 17, in one of which, Fig. 4, the trough interior of the metering shown connection with the vertical bore 13 has and the trough interior of the metering shown 17 compound in which the other, in Pig. 5 with the funnel-like vertical bore IU of the flush valve assembly 10 has. the peripheral collar 21 has at one point a recess 21c, the shape of which is complementary to the shape of the retaining lug 22, so that on this retaining lug aligned circumferential collar recess 21c of the metering slide 17 can be pulled out in the axial direction forwards from the cylindrical transverse bore 16 of the metering slide housing 9.

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The disk-shaped part of the rotary handle 20 of the metering slide 17 is, as in Pig. I can be seen Provided on the back with an annular groove in which a return spring 23 is housed, one end of which is more suitable Place of the rotary handle 20 and the other end thereof detachably at a suitable place on the metering slide housing 9 is attached. This return spring 23 urges the metering -, -. slide 17 in the in the Pig. I, 2 and 4 position shown, in which the trough opening of the metering slide is connected to the vertical bore 13.

The mode of action of the above with reference to the Pig. I to The three-dimensional shape of the metering device according to the innovation described in the drawings is as follows:

It is assumed that the powder container 8 to be emptied is a commercially available transparent plastic box trade with screw-thread muzzle closure for powder coffee. The housing 1 of the metering device according to the innovation is made by lifting and turning it counterclockwise (with reference to Fig. 3) and simultaneously Slide up within the insertion slot 3 of the retaining wall 6 brought into a position in which its T-shaped retaining pin 2 through the insertion slot 3 out towards the front.

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can be pulled so that the device can now be held freely in the hand. After unscrewing the cap from the transparent container 8 is meanwhile with his Upper side turned down housing 1 with the internal thread of its powder container connection piece 7 instead of the Cap on the outer thread of the mouth of the transparent container 8 screwed on until the edge of the mouth is close to the ring seal 12 of the powder container connector 7 creates. The housing 1, together with the one screwed onto it, is then completely filled with powder coffee Transparent container 8 rotated back into its horizontal position and the housing 1 by reinserting the T-shaped retaining pin 2 in the Einführschlxtz 3 of the recess 5 of the retaining wall 6 again in the position of use on this retaining wall attached. The device has reached this position of use when the transverse bracket of the retaining pin 2 has been replaced by the corresponding Turning the housing 1 clockwise (with reference to Fig. 3) has been brought into a horizontal position and with its upper edge on the upper and with its lower edge on the lower stop pin 4 of the recess 5 of the retaining wall is applied. Since the return spring 23 the metering slide 17 always holds in the position shown in Figs. 1, 2 and 4, in which has its trough opening in connection with the vertical bore, the one in the transparent container 8 now falls Powder coffee filling so far down that it opens the trough

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ψ the metering slide 17 and the vertical channel 13 as well as the

L interiors of the funnel-shaped powder material located above

(f retains the connecting piece 7 and the upper part of the clear

container 8 fills.

The desired size of each of the transparent container 8 to be extracted coffee powder portion was already) previously set by correspondingly screwing the threaded plug within the internal thread 18 of the dosing sixteenth If the removal of powder coffee is now to be started, the relevant removal barrel, for example a coffee pot or a coffee cup, is placed under the removal nozzle 10 of the device. Then the rotary handle 20 of the metering slide 17 from the in the Pig. 1, 2 and k against the return force of the return spring 23 into the position shown in Pig. 5 shown '. Rotated position, whereby the trough opening of the metering slide 17 comes in connection with the funnel-like vertical bore 14 of the removal nozzle 10 and at the same time the hollow cylindrical wall of the metering slide 17 lies down in front of the vertical channel 13 of the funnel-like powder container connection nozzle 7. As a result, on the one hand, the desired powder coffee portion falls from the trough of the metering slide 17 through the funnel-shaped vertical bore 14 of the removal nozzle

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in the vessel below and on the other hand the
Prevented powder coffee filling located in the vertical bore 13 and the cavities above it from falling down. If the operator leaves the rotary handle 20
loss so the return spring 23 rotates the metering slide 17
back to the basic position shown in FIGS. 1, 2 and 4, so that now the hollow cylindrical wall of the metering slide 17 forms the funnel-shaped vertical bore 14
of the removal nozzle 10 closes at the top and at the same time the powdered coffee filling located in the vertical bore 13 and the cavities above it falls into the now empty trough of the metering slide 17. The device is now ready again to remove the next portion of powdered coffee and the removal can continue until the transparent container 8 and the ones underneath
Cavities of the funnel-shaped powder container connection piece 7 including the vertical bore 13 are completely emptied.

If the transparent container 8 is completely emptied, so can
he unscrewed from the metering device according to the invention
which is then ready to be screwed onto a filled transparent container.

Should a cleaning of the metering device according to the innovation take place, this is removed from the retaining wall 6 and the rotary handle 20 is against the action of Return spring 23 rotated so far that the recess 21c of its Urafangsbundes 21 is exactly with the retaining lug 22 of the housing 1 covered. If this is the case, the metering slide 17 including the screw plug 19 in

/ axial direction to the rear from the transverse bore 16 of the Dosing slide housing 9 can be pulled out. This will the free end of the return spring 23 attached to the metering slide housing 9 is accessible and can be accessed from the metering slide housing be separated. The screw plug 19 can then completely can be unscrewed from the internal thread of the metering slide 17. Likewise, the return spring 23 from the annular groove of the Rotary handle 20 can be removed and finally the sealing ring 12 from its retaining groove inside the funnel-shaped powder container connection piece 7 out-

V to be taken. Now all parts can be thoroughly rinsed individually with hot water and dried accordingly be reassembled accordingly.

Since the innovation according to the device only from a few There is parts that are simple in terms of their shape, the disassembly of the device takes little Time to complete and all parts can be cleaned thoroughly

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so that no dirty corners remain and thus the hygienic requirements are taken into account to the greatest possible extent is. Since the removal of the device according to the invention from the retaining wall or the reattachment of the same to the retaining wall and screwing the same onto the relevant powder container or unscrewing the empty powder container requires only a few movements of the device, The respective putting into use or taking out of operation of the device according to the innovation requires little Time and work.

The actual removal process consists only in a simple rotation of the rotary handle 20 by hand by about 180 ° and is therefore extremely simple and short. The reverse rotation of the metering slide 17 worried the return spring 23. The Dosing device according to the innovation is consequently very simple and time-saving to use.

Because of its simple structure, the manufacturing costs of the metering device according to the invention are very high small, so that this can be brought to the market cheaply. The hygienic requirements are in addition to the already mentioned simple structure of the device according to the invention also taken into account that its individual parts

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can be made either from metal or from hot water resistant plastic.

Some modified Raura forms of the new ones Metering devices will now be described in detail, for example, with reference to Figures 9 to 9 of the drawings.

: -. Fig. 6 of the drawings shows one in principle

On ¹ JU of the three-dimensional shape of the metering device according to the invention shown in FIGS. 1 to 5, a device similar to that shown in FIGS. The pull slide 24 provided with an actuating handle 25 can have a round or angular cross section and is inserted into a corresponding transverse bore 26 of the metering slide housing 9. The metering slide 24 has a vertical bore 27, whose dimensions * each, determines the size of the removable portions. If necessary, the capacity of the vertical bore 27 of the metering slide 24 can be changed in a similar manner by means of a screw plug not shown in the drawing, as is the case with the rotary slide valve shown in FIGS. 1 to 5 with regard to the screw plug 19. With the vertical bore 27 of the slide valve 24 acts, on the one hand, a connecting piece 7 'arranged above it in the powder material container

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funnel-shaped vertical bore 13 'and, on the other hand, a funnel-shaped vertical bore 14 ^T arranged below and leading into the extraction nozzle 10'. As Fig. 6 shows, the two vertical bores 13 'and 14' are offset from one another in the direction of the axis of the transverse bore 26 that in the illustrated filling position of the slide valve 24 its vertical bore 27 is connected to the upper vertical bore 13 ', while in a Removal position of the slide valve 24, in which it arrives by moving it in the direction of arrow A, the vertical bore 27 of which has a connection with the vertical bore l4 'of the removal connection ^{1O 1 located below it.} The upper vertical bore IJ 'runs in a similar manner within the powder container connecting piece 7', as is the case with regard to the vertical bore 13 with respect to the powder container connecting piece 7 in the spatial shape of the metering device according to the innovation shown in FIGS. 1 to 5. The powder container 8 'can in turn be screwed into a corresponding internal thread of the connecting piece 7' with an opening screw or plug-in thread.

The pull slide 24 can by one in the drawing

return spring, not shown, are held in the filling position. In addition, stops not shown in the drawing be provided, through which the stroke of the slide 2Ί

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between the filling position and its removal position is limited.

The mode of operation of the three-dimensional shape shown in FIG. 6 the metering device according to the innovation is correspondingly the same like that of the three-dimensional shape described with reference to FIGS.

Lots of powdered or granular foods or luxury foods are not placed on the market in containers with screw or plug-in thread closures, but in containers with attached or inserted lids or in soldered cans of standardized size.

For example, powdered coffee, cocoa powder, milk powder, egg powder or ice cream powder for Wehrmacht or naval needs are mostly in soldered cans delivered in standardized size. The cans are opened by the consumer with the usual, mostly mechanical, can openers opened, so that there is a relatively smooth mouth edge. A modified spatial form of a modern one Dosing device for use in connection with such canned food cans of standardized size is shown in FIG Drawings shown schematically. The metering device corresponds in all essential parts to that above with reference

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the metering device according to the invention described in FIGS. 1 to 5 with rotary metering valve, with the only exception that modified according to the now to be described The three-dimensional shape of the fastening means for the powder container are adapted accordingly. While all essential Parts of the -in-Fig. 7 according to the invention shown metering device more or less identical to the corresponding / \ parts of the metering device shown in FIGS. 1 to 5 are executed, is how the funnel-shaped powder container connection piece 7 "shown partially in section can be seen, in the further mouth of which a shoulder 28 is formed, which has a relatively wide and thick sealing ring 12 " made of relatively soft, hot washable sealing material, for example rubber, housed. An internal thread is not provided on the wide mouth of the powder container connecting piece 7 ″ diametrically opposite points of the outer wall of the wide funnel mouth of the powder container connecting piece 7 " two retaining lamellae 29 made of spring material attached, the free ends are bent inward at 29a so that they are behind the bottom edge 30a of an open can 30 can snap, the edge of the mouth 30b thereby under compression of the sealing ring 12 "sealingly against this is pressed. The free ends of the two retaining lamellae 29 are expediently outwardly in the manner shown

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bent so that it easily rises from the floor when pressed with the finger
P edge 30a of the can 30 can be lifted off again,

% so that the empty can can be lifted off. The two

^ Retaining lamellas 29 are expediently by means of screws 31 on

Powder container connecting piece 7 "attached so that they Can be exchanged for holding lamellas of a different length, if cans of the same diameter but different heights \ are emptied with the dosing device according to the invention should.

The handling of the in Pig. 7 shown spatial shape of the metering device according to the innovation is also 'ie its cleaning otherwise analogous to that in de-Pig. I to ■ shown spatial shape.

Some powdered food or luxury food, for example, powder cocoa are brought into Papp round cans with ~ "attached cardboard on the market. A spatial shape of the renewal proper dosing device which is suitable for the emptying of such containers, of the drawings. Illustrated in Figure 8. This dimensional shape of the The metering device according to the innovation is similar in all essential parts to the spatial form shown in Pig.

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shafts on the outer circumference of the large part of the funnel-shaped Powder container connecting piece 7 "is attached. The free end 32a of the retaining bracket 32 is bent so that it is on the Can support the bottom of a cardboard round box 33 and thereby its relatively sharply tapering mouth edge 33a presses on a relatively soft sealing ring 12 ", which in turn rests on a shoulder 28 of the wide mouth of the funnel-shaped powder container connecting piece 7 '. The resilient retaining bracket 32 is also expediently in turn by means of fastening screws 31 on the outer circumference of the wide Part of the funnel-shaped powder container connection piece 7 "attached so that it is against a Raltebügel other Length can be exchanged if cardboard round boxes 33 other height should be emptied.

Tea powder is often supplied in small tin cans with a recessed lids put on the market. Fig. 9 of the drawings shows a three-dimensional shape of the metering device according to the innovation, which For example, it is suitable for emptying such tea powder cans and is mainly intended for the household. she is similar in all essential features to the three-dimensional shapes described in connection with FIGS. 7 and 8 according to the innovation Dosing device with the only exception that its dimensions are smaller and that to hold the too emptying container a strap made of elastic material,

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for example, a rubber fabric tape 34 is used. The two free Ends of the retaining strap 3 ^ are at diametrically opposite one another Place by means of retaining eyelets 35 on the outer circumference of the large part of the funnel-shaped powder container connecting piece 7 ". The retaining strap 3 ^ is stretched around the bottom of the container 36 and thereby presses its upper part Edge 37 on a relatively soft sealing ring 12 ", which in turn on a shoulder 28 inside the wide Part of the funnel-shaped powder container connection piece 7 "is resting.

The use and cleaning of the in FIGS. 8 and The two three-dimensional shapes of the metering device according to the invention shown are designed analogously to that of the one described above Spatial forms.

Instead of a retaining strip of resilient material (even such a can of flexible material be used, for example a flexible steel tape which according to the usual means of a turnbuckle can be tensioned embodiment.

The above in connection with different room shapes The metering device according to the invention described is primarily for the removal of powdery or granular food

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* or Luxury foods out t · « «■ * 4t» · · * *
4- «· • · * ^ / - t »« · »* · Her Application Containers definitely.

however, purpose is not limited to this only. It is basically suitable for metered withdrawal of any kind powdery or granular goods from containers *, for example, also for the dosed removal of cleaning agents, cleaning agents, Detergents:!, Abrasives, powdery or granular chemical or pharmaceutical products of any Kind, the dosed removal of which is necessary or desirable

is.

The dosing device according to the innovation was consistently above in connection with manually operated metering slides. Needless to say, the novelty is also extends to three-dimensional shapes in which the metering slide be moved by motor or electromagnetic. Such a motor or electromagnetic actuation of the metering slide can be done in a manner known per se. As far as such motorized or electromagnetically operated metering slides used in conjunction with one or more of the above-described features that characterize the innovation they are to be regarded as falling under the innovation.

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Claims (16)

■ · ιιι · t * i> * ·· ·· III <· * · · ■ · ■ · 1) 1 ·· III · 1 · ■ · Claims for protection 1. Dosing device for powdery or granular goods »in particular for powdery or granular .iahrungs- or luxury items, such as powder coffee, characterized by a stationary attachable housing (1) with) an upper connection piece (7 or 7 'or 7 ") for the connection of a replaceable Pulvergutbehälters (8 or 8 'or 30 or 33 or 36), a subsequent bottom of this connecting piece and by a connecting bore (13 or 13 ¹⁾ operatively connected thereto Dosierschiebergehäuse (9 or ^{9 ') with metering slide (17 or 24) and an emptying nozzle (10 or 10 1} ) connected to this metering slide housing at the bottom and operatively connected to this through a connecting bore (14 or 14'). 2. Dosing device according to claim 1, characterized in that the powder container connecting piece (7 or 7 ' or 7 ") üie form of an upwardly widening, the Powder material container (8 or 8 'or 30 or 33 or 36) in its wide mouth receiving funnel with holding means (11 or 29 or 32 or 34) for the powder container. tiiiii With r · »· ι ι , I t. t. · · . ■■ II. I 1 »I» f · · · I ', Il 11.11 ». · '« · IA I ι ι I ■ 1 ·. / ■ ' 3. A dosing device according to claim 2, characterized by in the wide mouth of the Pulvergutbehillter-connecting piece (7 or 7 'and 7 ") arranged ₃ at the mouth opening (30b or 33a) and one of these nearby edge (37) of the powder container (8 or 8 »or or 33 or 36) applying ring seal (12 or 12"). it. A metering device according to claim 2 or 3i characterized in ₃ that the holding means for the Pulvergutbehälter the form of one or more resilient Halteklamraern (29 or 32) have, opposite the bottom edge (30a) of the respective Pulvergutbehälters (30) engage or si ■ at the bottom of the powder container (33) (Fig. 7 -id 8). 5. Dosing device according to claim 2 or 3 *, characterized in that the holding means for the powder container (36) is in the form of a strap around the B ^ en of the powder container) reaching with its ends on the powder container connection piece (7 ") attached or attachable (3 ¹ O have (Pig. 9). p 6. Dosing device according to claim 5 » marked thereby- M draws that the tension band by means of a turnbuckle }? =} is tensionable. - 26 - ··· 1ItII (I, • ••• II to ItII 4 '· • iciarfti / ' • • crt tt 1 t ι t Il tr l / 7. Dosing device according to claim 5, characterized in that that the tension band is made of elastic material. 8. Dosing device according to claim 2 or 3 »characterized in that the holding means for the powder container (8 or 8 ¹ ) is in the form of a at the wide mouth of the powder container connecting piece (7 or 7 ') arranged, with a corresponding mating thread of the Powder container cooperating screw or plug thread (eg 11) have (Fig. 1 to 6). 9. Dosing device according to one of claims 1 to 8, characterized in that the metering slide has the shape of a linearly displaceable slide valve (2 * 0 with transverse to Displacement direction (A) running metering chamber (27) has (Fig. 6). 10. Dosing device according to one of claims 1 to 8, characterized in that the metering slide per se known form of a trough-like rotary slide valve (17) (FIGS. 1 to 5 and FIGS. 7 to 9). 11. Dosing device according to claim 9 or 10, characterized by a return spring (e.g. 23) which drives the dosing slide (e.g. 17) normally holds in the filling position (e.g. Fig. 1, and ή) (e.g. Fig. 1 to 5 and Fig. 7 to 9). - 27 - ti IfIt · * · Ι t · * * · »■ t t t 1 <* ■ • I III I * I II ·· · t »·. t * ■ ti ■ «(■ • ι ι ι t ι ι · · ·· ItI Ii I I t I | («· 12. Dosing device according to one of claims 9 to 11, characterized in that the metering slide (e.g. 17) has a screw plug (e.g. 19) screwed in at the end to change its fit (e.g. Fig. until 5). 13. Dosing device according to one of claims 10 to 12, ( characterized in that the metering slide (e.g. 17) has a retaining collar (e.g. 21) which cooperates with a housing pin (e.g. 22) and has an edge recess (e.g. 21c) for axial fixation in the housing ( 1) (e.g. Pig. I to 5) 14. Dosing device according to claim 13, characterized in that the retaining collar (21) on a rotary handle (20) for manual operation of the rotary valve (e.g. 17) (Pig. I to 5). 15. Dosing device according to one of claims 1 to 14, characterized in that the housing (1) has holding means, preferably one in a corresponding wall recess (5) is equipped with a snap-in T-pin (2), with which it can be releasably attached to a stationary wall (6) is. 16. Dosing device according to one of claims 1 to 15, - 28 - • ■ · ■> ■ · »ι * * · ι • * · ■■ · I «I» · fl I »♦ · · · 1 Iff 4 • I It * · ■ ■ I »I · ■ · ■ characterized in that one or more parts of the metering device made of hot washable plastic or of Made of metal. - 29 - ι U ■ · - f,