Back to results
US 2023/0417334 A1Published application
Ball for check valves
AssigneeKYOCERA Corporation
InventorShoichi OTA
Life of this patent
Estimating the term…
Abstract
A ball for check valves according to an embodiment of the present disclosure includes: a spherical body, which contains tungsten or platinum as a main constituent; and a film, which is located at the surface of the spherical body and contains a metal compound as a main constituent.
Claims10
A ball for check valves comprising:
- a spherical body comprising tungsten or platinum as a main constituent;
- and
- a film located at a surface of the spherical body and comprising a metal compound as a main constituent.
Dependencies are inferred from the claim text.