Electric resistance heating devices – Heating devices – Vaporizer
Reexamination Certificate
2000-04-27
2001-05-22
Paik, Sang (Department: 3742)
Electric resistance heating devices
Heating devices
Vaporizer
C261S142000
Reexamination Certificate
active
06236808
ABSTRACT:
BACKGROUND OF THE INVENTION
Such a facial sauna is commercially available and is accordingly known. In the known facial sauna, a reservoir configuration is provided which comprises a base part, which forms the foam retrieval reservoir, and a water heating reservoir arranged in the region of the circumferential reservoir wall of the foam retrieval reservoir, which water heating reservoir extends substantially parallel to the circumferential wall of the foam retrieval reservoir and is connected at its side facing away from the circumferential wall of the foam retrieval reservoir to a heater plate which forms the heating device for heating the water present in the reservoir configuration, i.e. in the water heating reservoir. The problem arises in the known facial sauna that dust and other foreign particles, for example present in herbal additives and the like used in such a facial sauna, can enter the reservoir configuration. The circulation which takes place in such a reservoir configuration then leads to the situation that the dust particles and other foreign bodies are deposited mainly in the region of the reservoir wall heated by the heating device, which leads to a pollution of this reservoir wall in the form of a deposit, which in its turn causes an unpleasant odor generation when such a facial sauna is used for a longer period. This is inconvenient for a user and accordingly undesirable.
SUMMARY OF THE INVENTION
The invention has for its object to avoid the disadvantages sketched above and to provide an improved facial sauna in which the generation of an unpleasant odor can be prevented in a simple manner.
To achieve the above object, according to the invention, the measures as defined in the characterizing part of claim
1
are taken in a facial sauna as defined in the preamble of said claim.
The provision of the measures according to the invention achieves in a very simple manner and with minimum expenditure that the user of a facial sauna according to the invention can disassemble the reservoir configuration in a simple manner, preferably without any tools, and that such a disassembling operation renders the reservoir wall situated adjacent the heating device freely accessible with its inner region, so that it can be easily and thoroughly cleaned of dust particles and any other foreign bodies, whereby the generation of an unpleasant odor and the resulting inconvenience can be prevented in a simple manner.
Advantageous further embodiments of a facial sauna according to the invention are characterized by the measures as defined in the dependent claims.
The above and further aspects of the invention will become apparent from the description of an embodiment given below and are explained in more detail with reference to this embodiment.
REFERENCES:
patent: 3152240 (1964-10-01), Scott
patent: 3675449 (1972-07-01), Bluestein
patent: 4300556 (1981-11-01), Ochi et al.
patent: 4399349 (1983-08-01), Deming et al.
patent: 4903850 (1990-02-01), Frank et al.
patent: 5355591 (1994-10-01), Caruso
Jordan Hermann
Schratter Bernhard
Bartlett Ernestine C.
Paik Sang
U.S. Philips Corporation
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