Microwave heatable hair roller
First Claim
Patent Images
1. A one-piece electrically heatable hair roller comprising:
- a. an elongated outer plastic cylinder having a inner surface an outer surface and at least one open end, and including a plurality of ventilation openings wherein the ventilation openings make up from about 15 to about 75 percent of the surface area of the elongated outer plastic cylinder;
b. a plurality of hair engaging members located on the outer surface of the outer plastic cylinder;
c. a metallic inner cylinder including an electric heating element engaging member; and
d. at least one insulator having an inner surface abutting the metallic inner cylinder, and an outer surface abutting the inner surface of the elongated outer plastic cylinder such that a gap is created between the outer plastic cylinder and the metallic inner cylinder.
0 Assignments
0 Petitions
Accused Products
Abstract
A clipless hair roller that includes a heated metallic inner cylinder and elongated outer plastic cylinder having a plurality of ventilation openings to allow for the efficient and uniform transfer of heat from the metallic inner cylinder to hair associated with the roller.
34 Citations
12 Claims
-
1. A one-piece electrically heatable hair roller comprising:
-
a. an elongated outer plastic cylinder having a inner surface an outer surface and at least one open end, and including a plurality of ventilation openings wherein the ventilation openings make up from about 15 to about 75 percent of the surface area of the elongated outer plastic cylinder; b. a plurality of hair engaging members located on the outer surface of the outer plastic cylinder; c. a metallic inner cylinder including an electric heating element engaging member; and d. at least one insulator having an inner surface abutting the metallic inner cylinder, and an outer surface abutting the inner surface of the elongated outer plastic cylinder such that a gap is created between the outer plastic cylinder and the metallic inner cylinder. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
-
-
12. A one-piece electrically heatable hair roller comprising:
-
a. an elongated outer plastic cylinder having a inner surface an outer surface and at least one open end and including a plurality of ventilation openings oriented in a checkerboard pattern such that the ventilation openings make up from about 15 to about 75 percent of the surface area of the elongated outer plastic cylinder; b. a plurality of uniformly oriented tapered hooks located on the outer surface of the outer cylinder; c. a metallic inner cylinder including an electric current engaging member; and d. an insulator having an inner surface abutting the metallic inner cylinder, and an outer surface abutting the inner surface of the elongated outer cylinder such that an gap having a height of from about 0.1 to about 0.25 inches is created between the outer plastic cylinder and the metallic inner cylinder.
-
Specification