Optical: systems and elements – Protection from moisture or foreign particle – Fluid directed across optical element
Patent
1993-10-14
1995-05-16
Ben, Loha
Optical: systems and elements
Protection from moisture or foreign particle
Fluid directed across optical element
359512, 359845, 4605, 248467, 383901, G02B 508, A45D 4214
Patent
active
054166357
ABSTRACT:
A condensation-free shower mirror includes a housing (11) holding a mirror (10) and a urethane water container (18). The water container, which is substantially the same size and shape as the mirror, is fitted against the back side of the mirror. The water container is fitted with a filling-cap assembly (12) to allow a water-tight seal. Two suction cups (14) extending from the back side of the housing allows the shower mirror to be easily mounted against a shower stall or a wall mirror. When the container is filled with hot water, it heats the mirror above the dew point of water, so that the mirror will remain condensation-free in a steamy environment. Because the shower mirror can be filled with hot tap water, it is portable so that it can be conveniently used in any bathroom.
REFERENCES:
patent: 4024429 (1935-12-01), Casey
patent: 4024430 (1935-12-01), Casey
patent: 4327961 (1982-05-01), Kladitis
patent: 4655559 (1987-04-01), Odell
patent: 4832475 (1989-05-01), Daniels
patent: 4889141 (1989-12-01), Lindsey
patent: 4904072 (1990-02-01), Christianson
patent: 5313316 (1994-05-01), Davidge
Christianson Jeanne L.
Christianson Thomas R.
Ben Loha
Jr. John Juba
Pressman David
ShowerTek, Inc.
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