DE3441945A1 - METHOD FOR DOSING APPLICATION OF CLEANING POWDER AND DEVICE FOR CARRYING OUT THE METHOD - Google Patents

Description

HenkeIstr. 67 ^{Henkel KGaA}

4000 Düsseldorf, November 12th, 1984 Bo / Ku

Patent application D 7168

"Method for the metered application of cleaning powder and device for carrying out the method"

The invention relates to a method for the metered application of cleaning powder and incorporation of the powder in a carpet to be treated or the like. It also relates to a device for carrying out the method using a single disc machine with an area approximately parallel to the area to be treated Axle to pivoting drawbar with operating handle.

In the building cleaning trade, single-disc machines with circular, in order to carry out many jobs a substantially vertical axis to be rotated brush is used. These machines work with a cleaning solution. When scrubbing, the solution can be drawn from a caustic tank that is carried along via a drain hose through the Flow through the center of the rotating brush onto the area to be treated.

For cleaning carpets, such as permanently installed textile floor coverings or the like, in addition to wet cleaning methods, where shampooing or spray extraction takes place, dry cleaning methods are used. Here Moist powders are used, among other things. These cleaning powders are handled by hand, with the help of a shovel or Distributed on the area to be treated using specially designed spreaders.

The invention is based on the object of providing a method for cleaning carpets or the like and a

D 7168

To create direction for carrying out the process, with the help of which a cleaning powder is dosed on the to be cleaned To be applied to the surface and to be worked into the carpet immediately. For the method mentioned at the beginning for the metered application of cleaning powder and incorporation of the powder into a carpet, there is the method according to the invention Solution is that in relation to the surface to be treated an approximately perpendicular axis to Rotating brush having a single disk machine is used to work in the powder and that the powder while the machine is in operation, it is controlled from a metering tube that opens out at the side of the brush onto the carpet is applied. The powder is preferably controlled by the operator independently of the machine setting conveniently visible area next to the brush applied to the carpet.

What is achieved by the invention is that the operator always has the required cleaning effect for the desired cleaning effect Amount of cleaning powder can be added to the carpet. She can observe the dispensing result with her eyes and steer accordingly. Because the cleaning powder is right next to the brush, i.e. outside the periphery A circular brush to be applied to the carpet can do that immediately after the powder has been applied To be incorporated. An organic cleaning agent contained in the powder as a cleaning component can therefore - in contrast to the case with the previously customary methods for applying the powder - in a significant amount do not escape or evaporate. The invention also ensures that heavier soiling or stains The areas of the carpet in question are to be treated in a targeted manner and without interrupting the work

D 7168

Subsequent dosing and incorporation of additional cleaning agent must be treated separately.

According to a further invention, a device for performing the method is in a single-disc machine with a Tm an area approximately parallel to the area to be treated Axis to be swiveled drawbar with operating handle is used, marked by an on the Drawbar attached powder storage container with floor opening and connected to it, next to the rotating during operation Brush of the single-disc machine opening dosing tube with the dosing valve to be controlled from the operating handle. The powder metering tube which opens outside the brush periphery should preferably be used except with the storage container only be coupled to the drawbar so that the metering tube as well as the storage container can accommodate the operating movements of the The drawbar and does not interfere with the handling of the machine.

The bottom of the powder storage container adjoining the dosing tube should be inclined conically in the direction of the dosing tube in order to ensure that the powder is completely emptied enable. It is also beneficial to use a free-flowing, dry, i.e. non-sticky cleaning powder, in order to avoid inhibitions in the flow of powder or even blockages.

The metering valve should preferably be designed as a flap at the mouth of the that can be opened against a Pedertension Dosing tube are formed. Such a flap can be handled without any problems if it has an actuating handle the drawbar of the single-disc machine guided Bowden cable or the like to open or close is.

D 7168 ßf

With the aid of the schematic representation in the drawing, details of the invention are explained.

1 shows a perspective illustration of a single-disc machine with powder dosing device; and

2 shows an enlarged representation of the pulve dosing device according to Fig. 1.

The single disc machine according to Fig. 1 includes the actual, machine unit with motor 2 and (rotating when operating) brush 3 and a a total of 4 designated drawbar with operating handle 5. The drawbar 4 is at an approximately parallel to the to be treated Axis 6 arranged on the surface is fastened in bearings 7 on the machine unit 1. The brush 3 rotates during operation about an axis 8 which is approximately perpendicular to the surface to be treated.

The powder metering device according to the invention, designated as a whole by 9 consists of Fig. 1 and 2 essentially of a storage container 10 and a metering tube

11. The storage container 10 has a filling opening 12 and an outlet opening 13. The bottom 14 of the storage container 10 is inclined conically downwards in the direction of the outlet opening 13. The outlet opening 13 closes the metering tube 11. This is except with the reservoir 10 only with the drawbar 4, preferably via a Connection 15 (Fig. 1) firmly connected. The metering tube 11 is arranged so that it is laterally next to the rotating Brush 3 opens at a distance from the surface to be cleaned. An arrangement in which the cleaning powder to the left the rotating brush 3 at a distance of about 5 cm on the

D 7168 β

to be treated trickles has proven to be advantageous.

The cleaning powder can be applied dosed or controlled from the storage container 10 to the surface to be treated if a metering valve is provided at a point between the outlet opening 13 of the storage container 10 and the mouth 1-6 of the metering tube 11. In the exemplary embodiment, the metering valve consists of one against a spring preload to be opened flap 17, the locking spring 18 of which is to be tensioned and relaxed with the aid of a Bowden cable 19 to be handled by the actuating handle 5, the lever of which is denoted by 20.

The invention makes it possible to use a single-disc machine construction designed for operation with liquid cleaning agents to be redesigned so that one for the application and incorporation of free-flowing cleaning powder Machine suitable for treating textile floor coverings or the like is created. Most of the elements a conventional single-disc machine can be used. Above all, the caustic tank will be replaced with the associated drain hose through the powder metering device according to the invention, the metering tube not inside the brush should open laterally or outside the periphery of the brush. With good flowability For the cleaning powder, a dosing tube with a clear width of about 25 mm can be provided.

3U1945

D 7168 List of Reference Numbers

1 = Hash unit 2 = Engine 5 = Brush 4th = Drawbar 5 = Operating handle 6th β axis 7th = Warehouse 8th = Axis 9 = Powder dosing device 10 = Stock st) he receives 11 - Powder dosing tube 12th = Filling opening (10) 13th = Outlet opening (1o) 14th = Floor (10) 15th ss connection 4/11 16 = Mouth (11) 17th = Flap 18th = Locking spring 19th = Bowden cable 20th = Helmet (19)

Claims (6)

D 7168 claims 1. Method for the metered application of cleaning powder and incorporation of the powder into a to be treated Carpet or the like, characterized in that one around one in relation to the area to be treated A brush (3) having an approximately vertical axis (8) to be rotated, a single-disc machine for incorporating the powder is used and that the powder discharges from a side of the brush (3) during operation of the machine Dosing tube (11) is applied to the carpet in a controlled manner « 2. The method according to claim 1, characterized in that the powder in an independent of the machine position area to be seen by the operator next to the periphery of the brush (3). 3. Apparatus for performing the method according to claim 1 or 2 using a single-disc machine (1) with a drawbar (4) to be pivoted about an axis (6) approximately parallel to the surface to be treated Operating handle (5), characterized by a powder storage container (10) attached to the drawbar (5) Bottom opening (13) and attached to it, in addition to the During operation, the rotating brush (3) of the single-disc machine (1) opening into the powder dosing tube (11) with the operating handle (5) from the metering valve (17) to be controlled. 4. Apparatus according to claim 3, characterized in that the powder metering tube (11) except with the storage container (10) is only coupled to the drawbar (4). D 7168 5. Apparatus according to claim 3 or 4, characterized in that that the metering valve is preloaded against a spring (18) to be opened flap (17) on the mouth (16) of the powder metering tube (11). 6. Apparatus according to claim 5, characterized in that the E-flap (17) via an actuating handle (5) guided Bowden cable (19) to open and close.