Cutting edges
OwnerLeonard J. Janowskiinventor
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Abstract
An improved cutting instrument including a wedge-shaped cutting edge such as a razor blade having in the region of its ultimate edge an adherent low friction coating of diamond or a diamondlike carbon.
Claims17
A cutting instrument including a wedge-shaped, metallurgically intact, steel cutting edge having in the region of its ultimate edge an adherent coating of a material selected from the group consisting of diamond, diamond-like carbon and mixtures thereof, said coating containing in addition, up to 75% by weight graphite.
A cutting instrument including a wedge-shaped, metallurgically intact, steel cutting edge having in the region of its ultimate edge an adherent, laser deposited coating of a material selected from the group consisting of diamond, diamond-like carbon and mixtures thereof, said coating containing in addition, up to 75% by weight graphite.
A cutting instrument including a wedge-shaped, metallurgically intact, steel edge having in the region of its ultimate edge an adherent, vapor deposited coating of a material selected from the group consisting of diamond, diamond-like carbon and mixtures thereof, said coating containing in addition, up to 75% by weight graphite.
Dependencies are inferred from the claim text.