Drying and gas or vapor contact with solids – Apparatus – With means to treat gas or vapor
Patent
1983-03-18
1984-12-11
Schwartz, Larry I.
Drying and gas or vapor contact with solids
Apparatus
With means to treat gas or vapor
34 99, 34100, 34196, 34197, A45D 2028
Patent
active
044869614
ABSTRACT:
Apparatus and process for blow drying hair in which the air is dehumidified by passing it through a special housing fitted with a moisture-absorbing filter insert placed ahead of the air which impinges against the hair. A regeneratable drying agent such as aluminum oxide, silica gel, or the like constitutes the moisutre absorbing filter insert. In a preferred embodiment a fan driven by an electric motor sucks the drying air through a slit in a double-walled hood which fits over the hair so that the air sucked through the slit must pass through the filter insert into an inside wall portion of the hood which is perforated and lies next to the hair which is being dried. A holder for the hood is swivelably mounted so that it can be fixed to a wall. Moist air which reaches the outside hood is recirculated to the inside wall and again fed to the filter insert for repeated dehumidification. In this manner at least part, if not all, of the air is dehumidified. The warming from the motor need only be slight while the drying efficiency is enhanced. The saving in heating permits greater comfort to the person whose hair is being dried and the usual rise in temperature which accompanies ordinary blow drying is eliminated. The filter insert is regenerated in known mann by heating when it is saturated with moisture. Other embodiments are shown which are portable and hand held.
REFERENCES:
patent: 2412407 (1946-12-01), Kilbury
patent: 3052038 (1962-09-01), Harris
patent: 4022560 (1977-05-01), Heinonen
Giesselbach Marinus
Giesselbach Wendela
GAP Gesellschaft f/u/ r Auswertungen und Patente AG
Saffitz A. A.
Schwartz Larry I.
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