US 2020/0263299 A1 · SURFACE TREATMENT APPARATUS FOR SURFACE-TREATING POWDER AND METHOD OF SURFACE-TREATING POWDER USING THE SAME

Abstract

A surface treatment apparatus includes a chamber defining an accommodation space therein, an injection part provided at a first end of the chamber so as to inject gas into the accommodation space, a discharge part provided at a second end of the chamber that is opposite the first end so as to discharge unreacted gas from the accommodation space, and at least one subchamber loaded in the accommodation space in the chamber between the first end and the second end, where powder is charged in the subchamber, and the subchamber includes a mesh structure provided in at least one surface of the subchamber so as to allow the gas to be introduced into the subchamber, and the subchamber is movable from the first end to the second end.

Claims20

Dependent claims

A surface treatment apparatus for surface-treating powder, comprising:

a chamber defining an accommodation space therein;
an injection part provided at a first end of the chamber so as to inject gas into the accommodation space;
a discharge part provided at a second end of the chamber that is opposite the first end so as to discharge unreacted gas from the accommodation space;
and
at least one subchamber loaded in the accommodation space of the chamber between the first end and the second end,
wherein powder is charged in the subchamber,
wherein the subchamber includes a mesh structure provided in at least one surface of the subchamber so as to allow the gas to be introduced into the subchamber, and
wherein the subchamber is movable from the first end to the second end.

5 more elements

A method of surface-treating powder using the surface treatment apparatus, comprising:

providing a surface treatment apparatus including a chamber defining an accommodation space therein, an injection part provided at a first end of the chamber so as to inject gas into the accommodation space, and a discharge part provided at a second end of the chamber that is opposite the first end so as to discharge unreacted gas from the accommodation space;
loading a first subchamber in the accommodation space so as to be closer to the first end than to the second end;
moving the first subchamber toward the second end;
and
loading a second subchamber into the accommodation space between the first subchamber and the first end,
wherein when the first subchamber is moved, gas is injected into the accommodation space from the injection part at least once.

3 more elements

Dependencies are inferred from the claim text.

Surface treatment apparatus for surface-treating powder and method of surface-treating powder using the same

Life of this patent

Surface treatment apparatus for surface-treating powder and method of surface-treating powder using the same

Life of this patent

Abstract

Claims20