FR2774409A1 - Method of cleaning and disinfecting sanitary appliances - Google Patents

Abstract

The method involves cleaning all parts of the appliance using an injected expandable foam (1). The appliance is then rinsed with water.

Description

 The present invention relates to a method and three devices allowing the cleaning and disinfection of all the internal walls constituting the overflows, and possibly those of the outlets of the evacuations in the absence of these overflows and the presence of irremovable grids, sanitary such as sinks, bidets, sinks, tubs and more. The treatment is carried out in two phases; the first, by injection of an expanding cleaning and disinfecting foam, the second, by rinsing with relatively moderate pressure water 9.

 The cleaning and disinfection of these overflows and possibly of these evacuations is traditionally carried out only in part, at the inlets (4), in the outlets (7), and possibly in the grids (13), at the times of the treatments of the visible surfaces of the sanitary wash and using a scouring powder or a manual sprayer containing a specific liquid, a sponge and possibly a brush. We also use a pressurized bomb with specific foam, under the same conditions and results as with the powder or sprayer. The central inner parts of the overflows, that is to say the chimneys (5) and receptacles (6), or possibly the outlets (12), are almost impossible to access, therefore untreated.

 The method and the devices according to the invention make it possible to remedy this lack, and thus eliminate unpleasant odors and most of the pathogenic germs originating from deposits of all kinds encrusted on all the internal walls constituting the overflows and possibly those of the evacuations. (12), from the inlets (4), passing through the chimneys (5), the receptacles (6), the outlets (7), and possibly the grids t13). (FIG. 1.2.4).

 In the first phase of the treatment, the injection of an expanding cleaning and disinfecting foam is obtained using the device (l) which is an adaptable cannula or an integral part, either of a pressurized autonomous device preferably transportable for establishments, that is to say the system for opening a pressurized bomb preferably for individuals. This cannula is manually inserted as deeply as possible into the inlet orifice (4) of the overflow of any of the sanitary washing devices and allows the injection of the expanding cleaning and disinfecting foam, first in the receptacle ( 6) until the foam appears at the open drain plug which is located near the outlet (7).

Then the cannula of the device or the bomb-cannula assembly is withdrawn by dosed backward movement so as to fully fill the chimney (5) until, also, foam appears at the level of the inlet (4). . (FIG. 1). Optionally, in the absence of an overflow, this cannula will be introduced through the non-removable grid (13) if necessary, to fill the discharge (12). (FIG. 1).

 In the second phase of the treatment, the rinsing with water of all the internal walls constituting the overflows is obtained using either the device 2 which is a receptacle-hose, or the device which is a cannula.

 The rinsing device makes it possible to collect water at moderate pressure manually by metered opening of a tap by adapting to all tap outputs, by simple contact pressed manually, and to convey this water, first of all up to the entrance (4) of any sanitary wash, and then in a second step directly to the exit (7), once the plug is removed. This rinsing device is intended for use for individuals preferably. (FIG. 2).

 The rinsing device 3 is an adaptable cannula or an integral part of an autonomous device pressurized manually or otherwise, which makes it possible to rinse with water at moderate pressure, under the same conditions and chronology as for the device 2. This rinsing device 3 is intended for use for establishments preferably. (FIG. 8).

 For sinks or other and in the absence of overflows or the presence of irremovable grates, the second rinsing time is carried out by emptying the, or, trays.

(FIG. 4).

 The injection device and the rinsing devices, preferably or not have at their ends, an optimum number of four notches allowing the foaming cleaning and disinfecting foam or water not to be completely obstructed in contact with a any internal walls of the overflows or outlets treated.

 The accompanying drawings illustrate the invention.

 Figure 1 shows in section a sink, the overflow of which is in the injection phase of the treatment, using the devices.

 Figure 2 shows in section a sink, whose overflow is in the rinsing phase of the treatment, using the positive.

 Figure 3 shows in section a sink, simultaneously in the two phases of overflow treatment.

 Figure 4 shows in section a sink, including the overflow, and the example of a non-removable grid.

 Figure 5 shows in section part of a bathtub, including the overflow.

 Figure 6 shows in section the device.

 Figure 7 shows in section the ispositifQ.

Figure 8 shows in section the device
With reference to these drawings, the device of FIG. 6 is a cannula with an optimum non-limiting length of 180 m / m, of an optimum non-limiting internal section of 4.1 m / m, of an optimum non-limiting wall thickness. 0.7 n / m. Its exterior feel is smooth to help penetration between the internal walls of the chimney (5) which are also smooth. Its firmness and flexibility are studied to help penetration by manual pushing within this relatively narrow chimney (5), taking from the entrance (4) an approximate angle of 900 on an external radius of 15 m / m, without to do so pinch completely. The material constituting the cannula is preferably PVC At the outlet of the cannula, the depth of the notches (8) anti blocking, the non-limiting number of four is approximately 3 m / m.

 The device according to the invention is particularly intended for the injection of an expanding cleaning and disinfecting foam for the treatment, in a first phase, of all the internal walls constituting the overflows and possibly the evacuations, of the washing sanitary facilities mentioned in the preamble from the description.

 With reference to these drawings, the device 2 of FIG. 7 is composed of a receptacle (9) of cylindrical shape with an optimum non-limiting height of 25 m / m, of an interior non-limiting optimum section of 35 m / m, and provided with a bottom having in its center a round hole of an optimum non-limiting section of 9 m / m. From the hole, a rise in a cylindrical column with an optimum non-limiting height of 16 m / m and an internal section corresponding to that of the hole, allows the maintenance of a pipe (11) and a joint (10) flexible contact. This receptacle (9) consists of rigid P.V.C. with an optimum non-limiting wall thickness of 1.2 m / m. The receptacle (9) contains a flexible cylindrical seal (10) for relative sealing by simple contact pressed manually at the outlets of the various taps, This seal, of section corresponding to that of the interior of the receptacle, is made of flexible expanded PVC or foam rubber or the like. The joint (10) has in its center a round hole consisting of two superimposed sections, the lower of which, depending on the dimensions of the column, is 11.4 m / m for 16 m / m in height, and the upper, depending on the dimensions of the pipe and the total height of the joint is 6 m / m for 5 m / m of height. The optimum total height without limitation of the joint (10) is 21 m / m. The device O is also composed of a flexible hose (11), possibly made of rubber, following the receptacle (9), and of an optimum non-limiting internal section of 6 m, m with an optimum non-limiting wall thickness of 1.5 m / m but adjusting with the dimensions of the receptacle. The optimum nonlimiting length of the hose (11) is 750 m / m, so as to allow rinsing which can reach, from the taps, the inlets (4) of the overflows, and the outlets (7) located below the bungs, or possibly the grids (13), either the shortest for the sinks, or the most distant for the baths. At the outlet of the pipe (11), the depth of the check marks (8), not limited to four, is approximately 4 m / m.

 At the level of the receptacle column (9), solidarity with the seal (10) and the pipe (11) is not limiting in the application of already existing industrial embedding methods.

 The device 2 according to the invention is particularly intended for rinsing with water for the treatment, in the second phase, of all the internal walls constituting the overflows of the washing sanitary facilities mentioned in the preamble to the description.

With reference to these drawings, the device of the figure (8) is a cannula with non-limiting dimensions both in length, in internal section, and in wall thickness, and it is relatively flexible. Possibly, its dimensions may be similar to those of the pipe (11) of the device 2 and be made of rubber. This cannula Q can be adaptable or form an integral part of an autonomous transportable device pressurized manually or other. At the exit of the cannula, the depth of the check marks (8) can be identical to that of the pipe (11) of the device
The device 3 according to the invention is particularly intended for rinsing with water for the treatment in second phase, of all the internal walls constituting the overflows of the washing sanitary facilities mentioned in the preamble to the description.

 The industrial application of all the elements making up the devices 1 2 3 can be envisaged, at the level of manufacturers of molded plastics, by injection of flexible or rigid PVC, of flexible expanded PVC, of compact or microcellular rubber, or also by vulcanization of compact or microcellular rubber.

 The industrial application of the assembly of the three elements constituting the device 2, possibly pre-manufactured under the above conditions, can be envisaged at the level of the manufacturers of certain household articles, by manual or semi-robotic embedding.

Claims (4)

 1) Method for cleaning and disinfecting the overflows and possibly the evacuations of washing sanitary facilities such as sinks, bidets, sinks, baths and others, characterized by the fact of treating all the internal walls constituting these overflows and possibly these evacuations, from the inlets (4), outlets (7), and possibly the grilles (13), to reach the breast of the chimneys (5), receptacles (6), and possibly outlets (12) hitherto almost impossible to access, by l injection of an expanding cleaning and disinfecting foam in a first phase of the treatment, and by rinsing with water in a second phase of the treatment.  2) device for implementing the method according to claim 1), for cleaning and disinfecting the overflows and possibly the evacuations of washing sanitary ware such as sinks, bidets, sinks, baths and the like, characterized in that the means of injection is a device consisting of an adaptable cannula or an integral part, either of a transportable pressurized autonomous device, or of the opening system of a pressurized bomb, with or without at its end an anti-sealing notch (8).  3) Device according to claim 2), characterized in that the rinsing means is a device constituted by a receptacle (9), comprising a flexible seal (10) adaptable by contact pressed manually to all valve outlets, and provided with a flexible pipe (11) whether or not having at its end an anti-plugging notch (8), this means making it possible to convey water under relatively moderate pressure manually by metered opening of a tap, up to the inlets (4) in firstly, and outputs (7) secondly.  4) Device according to claim 2), characterized in that the rinsing means is a device constituted by an adaptable cannula or forming an integral part of an autonomous transportable device pressurized manually or otherwise and comprising or not at its end a notch (8) anti-plugging, for a relatively moderate pressure direct injection, at the inlet (4) initially and at the outlet (7) second level.