Dental casting billet material, metal powder for powder metallurgy, dental metal component, and dental prosthesis
AssigneeSeiko Epson Corporation
InventorsHidefumi NAKAMURA, Teruo ANRAKU
Life of this patent
Estimating the term…
Abstract
A dental casting billet material includes: Co as a main component; Cr in a proportion of 26% by mass or more and 35% by mass or less; Mo in a proportion of 5% by mass or more and 12% by mass or less; and Si in a proportion of 0.3% by mass or more and 2.0% by mass or less, wherein the billet material is formed from a sintered body of a metal powder, and the billet material has a relative density of 92% or more and 99.5% or less.
Claims20
A dental casting billet material, comprising:
- Co as a main component;
- Cr in a proportion of 26% by mass or more and 35% by mass or less;
- Mo in a proportion of 5% by mass or more and 12% by mass or less;
- and
- Si in a proportion of 0.3% by mass or more and 2.0% by mass or less, wherein
- the billet material is formed from a sintered body of a metal powder, and
- the billet material has a relative density of 92% or more and 99.5% or less.
A dental casting billet material comprising:
- Ni as a main component;
- Cr in a proportion of 10% by mass or more and 30% by mass or less;
- Mo in a proportion of 5% by mass or more and 15% by mass or less;
- and
- Si in a proportion of 1.0% by mass or more and 3.0% by mass or less, wherein
- the billet material is formed from a sintered body of a metal powder, and
- the billet material has a relative density of 92% or more and 99.5% or less.
A metal powder for powder metallurgy, comprising:
- Co as a main component;
- Cr in a proportion of 26% by mass or more and 35% by mass or less;
- Mo in a proportion of 5% by mass or more and 12% by mass or less;
- and
- Si in a proportion of 0.3% by mass or more and 2.0% by mass or less, wherein
- the metal powder is used for producing a dental member.
A metal powder for powder metallurgy, comprising:
- Ni as a main component;
- Cr in a proportion of 10% by mass or more and 30% by mass or less;
- Mo in a proportion of 5% by mass or more and 15% by mass or less;
- and
- Si in a proportion of 1.0% by mass or more and 3.0% by mass or less, wherein
- the metal powder is used for producing a dental member.
A dental metal component, comprising:
- Co as a main component;
- Cr in a proportion of 26% by mass or more and 35% by mass or less;
- Mo in a proportion of 5% by mass or more and 12% by mass or less;
- and
- Si in a proportion of 0.3% by mass or more and 2.0% by mass or less, wherein
- the dental metal component is obtained by melting and casting a dental member, which is formed from a sintered body of a metal powder, and has a relative density of 92% or more and 99.5% or less.
A dental metal component, comprising:
- Ni as a main component;
- Cr in a proportion of 10% by mass or more and 30% by mass or less;
- Mo in a proportion of 5% by mass or more and 15% by mass or less;
- and
- Si in a proportion of 1.0% by mass or more and 3.0% by mass or less, wherein
- the dental metal component is obtained by melting and casting a dental member, which is formed from a sintered body of a metal powder, and has a relative density of 92% or more and 99.5% or less.
Dependencies are inferred from the claim text.