Cleaning and liquid contact with solids – Apparatus – Electrically controlled
Patent
1994-01-05
1995-08-22
Stinson, Frankie L.
Cleaning and liquid contact with solids
Apparatus
Electrically controlled
134198, 134201, 134122R, B08B 312
Patent
active
054430844
DESCRIPTION:
BRIEF SUMMARY
The present invention concerns a paper moistener device more particularly intended for use in a toilet paper or sanitary towel dispenser.
For reasons of hygiene and personal comfort, some persons wish to be able to carry out an intimate toilette or to use deodorized sanitary towels, for example. Other persons suffering or having suffered from various anorectal or perianal infections wish to use antiseptic and/or soothing toilet paper or sanitary towels to prevent the infection breaking out again or to avoid further irritation which may aggravate the discomfort or the existing infection.
To this end numerous toilet paper dispensers with an integral moistener system have been proposed. Most comprise a casing adapted to be fixed to a vertical wall and one part of which contains the toilet paper or sanitary towels and another part of which accommodates the moistener system which usually comprises a reservoir for water or some other liquid, in the form of a refillable bottle, for example, either on its own or in combination with an open container, and means for moistening the sheet of toilet paper. There are two known ways to moisten the paper:
the first is to moisten the paper by dipping it into an open container of the water or other liquid, as described in the patents FR n.degree. 1 462 232, FR n.degree. 2 238 457 and EP n.degree. 0 219 981. In this case the toilet paper is fed from a roll around a single mobile drum or between two drums mobile conjointly and disposed above the open container of liquid. The user lowers said drum or drums using means provided for this purpose and then pulls out the required length of paper; this is then moistened by the liquid absorbed onto the surface of the drum rotating in the full container.
Unfortunately, when the user pulls on the moistened paper there is a considerable risk of the paper tearing prematurely or inside the dispenser casing. Apart from this major drawback the paper may be excessively or insufficiently moistened, depending on the impregnation time, i.e. on the speed with which the user pulls off the paper. Finally, it is often difficult to lower the drum correctly as appropriate to the level of liquid in the open container.
the second way is to spray water or another liquid onto the toilet paper or sanitary towels. According to the patent FR n.degree. 1 528 715 the user pulls out the required length of paper from the roll and simultaneously exerts repeated pressure on a piston projecting from the casing. The piston operates a mechanical pump connected to the bottle containing the water. A sprayer system inside the casing then sprays the water. In this case the user faces the same problem as that already mentioned, namely the risk of tearing when he pulls on the moistened paper. According to the patents FR n.degree. 1 236 258 and FR n.degree. 1 237 556 the user first takes the toilet paper and then places it in front of the spraying system. He then applies repeated mechanical pressure to the flexible walls of the sprayer bottle or to the piston of a mechanical pump fitted to the bottle containing the liquid. Dispensers are also known in which a spraying system is placed directly above the supply of toilet paper or sanitary towels, as described in the patents FR n.degree. 2 002 174 and 2 554 700.
The major drawback of these latter devices is that several layers of paper or sanitary towels are impregnated simultaneously. This is costly and wasteful since the quantity moistened often exceeds what the user needs. The consequence is high consumption of paper or sanitary towels and some unpleasantness for the next user.
Also, the spraying systems tend to become soiled and they must be cleaned frequency to prevent them clogging.
Finally it may be generally remarked that all the proposed dispensers require multiple operations of the user which are inconvenient to a greater or lesser degree.
The present invention remedies the drawbacks explained hereinabove by offering the user a moistening system that can be used on its own in a casing or integrated into a dispenser
REFERENCES:
patent: 3707945 (1973-01-01), Boone
patent: 3749313 (1973-07-01), Weitmann
patent: 3804061 (1974-04-01), Cassar et al.
patent: 3848822 (1974-11-01), Boone
patent: 4620502 (1986-11-01), Kimble
patent: 4667846 (1987-05-01), Marceau
patent: 4798312 (1989-01-01), Scheiber
patent: 4947026 (1990-08-01), Groom et al.
patent: 5031258 (1991-07-01), Shaw
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