Shower cap
OwnerJames A. Donovaninventor
Life of this patent
Estimating the term…
Abstract
A cap device for providing warmth to the head of a person including an outer cap having a water impervious outer surface and sized to fit over the hair of a person, a liner located inside the outer cap, the liner being sized to contact the hair of a person, and a heat source including a crystalline compound capable of exothermic reaction with water. The preferred heat source is calcined calcium oxide and a powdered zeolite in a ratio of from about 14 to 20 for calcium oxide and from about 7 to 10 for powdered zeolite.
Claims20
A cap device for providing warmth to the head of a person, comprising:
- an outer cap having a water impervious outer surface and sized to fit over the hair of a person;
- a liner located inside the outer cap, the liner being sized to contact the hair of a person;
- and
- a heat source including a crystalline compound capable of exothermic reaction with water,
A cap device for providing warmth to the head of a person, comprising:
- outer cap means for providing a water impervious outer surface and sized to fit over the hair of a person;
- liner means located inside the outer cap means for contacting the hair of a person;
- and
- heat source means for producing an exothermic reaction with water,
Dependencies are inferred from the claim text.