Abstract: This vehicle mechanical component includes a mechanical component body, a heat insulating layer formed on the mechanical component body, and a protective layer formed on the heat insulating layer and including an inorganic compound that includes an alkoxide and scale-like inorganic solid particles dispersed in the inorganic compound.

Abstract: This vehicle mechanical component includes a mechanical component body, a heat insulating layer formed on the mechanical component body, and a protective layer formed on the heat insulating layer and including an inorganic compound that includes an alkoxide and scale-like inorganic solid particles dispersed in the inorganic compound.

Abstract: A partial surface treatment apparatus includes a first electrode member electrically connected to a treatment object including an outer circumferential surface and a circumferential groove, a second electrode member including an inner circumferential surface, a pair of annular-shaped elastic sealing members configured to seal a clearance between the outer circumferential surface and the inner circumferential surface, an accommodation portion accommodating each of the annular-shaped elastic sealing members, the annular-shaped elastic sealing members are movable in a diameter reduction direction, a pressure applying mechanism supplying a pressurized fluid to the annular-shaped elastic sealing members, the annular-shaped elastic sealing members are in pressure contact with the outer circumferential surface in a case where the annular-shaped elastic sealing members are moved in the diameter reduction direction, and a cutout formed at each of the annular-shaped elastic sealing members to be extended from an outer

Abstract: An anodizing apparatus configured to perform an anodization on a metallic material to be processed provided with a projecting portion on a surface thereof, includes: an electrolysis tank configured to store electrolytic solution for anodization; a first electrode portion formed of a metal and electrically connected to the material in an immersed state immersed in the electrolytic solution in the electrolysis tank; a second electrode portion formed of a metal and opposing the material in the immersed state; an electrode apparatus configured to apply a predetermined voltage between the first and second electrode portions; a retaining device configured to retain and rotate the material in the immersed state; and a first injection device configured to inject the electrolytic solution toward a predetermined area deviated from the material in a storage space in the electrolysis tank so that the material is deviated from a line in the direction of injection.

Abstract: A partial surface treatment apparatus includes a first electrode member electrically connected to a treatment object including an outer circumferential surface and a circumferential groove, a second electrode member including an inner circumferential surface, a pair of annular-shaped elastic sealing members configured to seal a clearance between the outer circumferential surface and the inner circumferential surface, an accommodation portion accommodating each of the annular-shaped elastic sealing members, the annular-shaped elastic sealing members are movable in a diameter reduction direction, a pressure applying mechanism supplying a pressurized fluid to the annular-shaped elastic sealing members, the annular-shaped elastic sealing members are in pressure contact with the outer circumferential surface in a case where the annular-shaped elastic sealing members are moved in the diameter reduction direction, and a cutout formed at each of the annular-shaped elastic sealing members to be extended from an outer

Abstract: An anodizing apparatus configured to perform an anodization on a metallic material to be processed provided with a projecting portion on a surface thereof, includes: an electrolysis tank configured to store electrolytic solution for anodization; a first electrode portion formed of a metal and electrically connected to the material in an immersed state immersed in the electrolytic solution in the electrolysis tank; a second electrode portion formed of a metal and opposing the material in the immersed state; an electrode apparatus configured to apply a predetermined voltage between the first and second electrode portions; a retaining device configured to retain and rotate the material in the immersed state; and a first injection device configured to inject the electrolytic solution toward a predetermined area deviated from the material in a storage space in the electrolysis tank so that the material is deviated from a line in the direction of injection.

Abstract: Disclosed is a surface treatment apparatus including one of a positive electrode member and a negative electrode member to be electrically connected to a treatment-object article made of metal and having an annular treatment-object area in an outer circumferential face thereof, a frame member having a non-conductive inner circumferential face opposed with a gap to the outer circumferential face and to the annular treatment-object area, a non-conductive elastic seal member capable of forming an electrolysis solution path along the annular treatment-object area by sealing the gaps between portions of the outer circumferential face opposed to each other across the annular treatment-object area and the inner circumferential face, the other one of the positive electrode member and the negative electrode member having a bar-like shape with a leading end portion that protrudes into the electrolysis solution path toward the treatment-object article, and an electrolysis solution circulating means for circulating an am

Abstract: A partial surface treatment apparatus includes a first electrode member electrically connected to a treatment object having a circumferential groove at an outer circumferential surface thereof, a second electrode member having an annular-shaped inner circumferential surface facing the outer circumferential surface while keeping a distance therefrom, an elastic sealing member in an annular shape being sealable a clearance between the outer circumferential surface and the inner circumferential surface at portions on the outer circumferential surface above and below the circumferential groove, an attachment portion where the elastic sealing member is attached while keeping the distance from the outer circumferential surface, a pressure applying mechanism supplying a pressurized fluid into the elastic sealing member.