Cushion coated hair clip having low-friction surfaces

Details Cushion coated hair clip having low-friction surfaces Cushion coated hair clip having low-friction surfaces

2000-09-11

2001-07-10

Manahan, Todd E. (Department: 3732)

Toilet

Hair device

Hair fastener

Reexamination Certificate

active

06257251

ABSTRACT:

BACKGROUND OF THE INVENTION
This invention relates generally to hair clips and barrettes. More specifically, this invention relates to hair clips and barrettes that easily attach onto hair and remain securely attached without slipping or damaging the hair, and are easily removed from hair without snagging.
Hair is a slender, thread-like outgrowth from the scalp. Caring for hair is not only important to promote healthy hair growth, but also important for a person's self-esteem. Men and women arrange their hair in a variety of styles. In particular, a hair clip or barrette is often used to achieve a certain style or look, and as a retainer for holding a lock of hair.
The present invention aims to alleviate the problems associated with traditional hair clips and barrettes, namely, pinching or clasping the hair too tightly and entangling the hair on the clip or barrette, or clasping too loosely and sliding away. Conventional hair clips are shown in U.S. Pat. No. 3,590,830 to Hannum and U.S. Pat. No. 5,638,836 to Yasuda. The '830 Patent entitled “Barrette” discloses a barrette that has upper and lower clasp plates, with foam rubber cushion layers attached to the inside facing clasp surfaces that exert a high-friction grip. The '836 Patent entitled “Hair Clip” discloses an anti-slip mat on the hair engaging surface of a clip retainer plate which exerts a frictional resistance which improves retention. There is no suggestion in either ofthese patents for providing a smooth, low-friction, non-sticking cushion coated layer for directly engaging hair without damaging the hair and without snagging.
BRIEF SUMMARY OF THE INVENTION
The present invention relates to a hair clip which includes a pair of clamping members or clasps pivotally connected on one end. A layer of a compressible, resilient cushion material such as a natural rubber or elastomer synthetic resin material, or cellular plastic foam is attached to the facing surfaces of the clamping members. A thin, non-porous outer coating layer is applied to the compressible cushion layers thus providing a smooth, low-friction, non-sticking surface for directly engaging the hair. The hair clip easily attaches onto hair, remains securely on the hair without slipping or damaging the hair and is easily removed from the hair without snagging. Preferably, the low-friction layers are thermoplastic high density polyethylene blends having appropriate balance of crystalline, durability and flexibility.


REFERENCES:
patent: 2661748 (1953-12-01), Racho
patent: 2767721 (1956-10-01), Cockley
patent: 3590830 (1971-07-01), Hannum
patent: 4844103 (1989-07-01), Vick
patent: 5477870 (1995-12-01), Menaged
patent: 5638836 (1997-06-01), Yasuda
patent: 5996593 (1999-12-01), Horman
patent: 6116251 (2000-09-01), Stachowski

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