Method for manufacturing a goods storage container and goods storage container manufactured thereby

Abstract

A method for manufacturing a storage container for goods according to the present invention, comprising: a first unit for fixing goods, a second unit covering the first unit, and a connecting unit connecting the first unit and the second unit such that the second unit rotates relative to the first unit, wherein the method includes: a forming step of forming the first unit, the second unit, and the connecting unit; and a polishing step of polishing the surface of the formed first unit, the formed second unit, and the formed connecting unit. a forming step of forming the first unit, the second unit, and the connecting unit; a surface polishing step of polishing the surfaces of the formed first unit, second unit, and connecting unit; and an assembly step of assembling the surface-polished first unit, second unit, and connecting unit, wherein the surface polishing step uses wet polishing or uses wet polishing after dry polishing.

1 . A method for manufacturing an item storage container comprising a first unit that fixes an item, a second unit that covers the first unit, and a connection unit that connects the first unit and the second unit so that the second unit rotates with respect to the first unit:
 wherein the method for manufacturing an item storage container comprising:   a forming step of forming the first unit, the second unit, and the connecting unit by processing metal;   a surface polishing step of polishing the surfaces of the formed first unit, second unit, and connecting unit; and   an assembly step of assembling the surface-polished first unit, second unit, and connecting unit,   wherein the surface polishing step is characterized by using wet polishing or using wet polishing after dry polishing.   
     
     
         2 . The method for manufacturing an item storage container according to  claim 1 ,
 wherein the wet polishing is characterized by using a mixture of silicon carbide (SiC) or an aluminum oxide (Al 2 O 3 ) and an aqueous nitric acid solution as the wet polishing material.   
     
     
         3 . The method for manufacturing an item storage container according to  claim 2 ,
 wherein the wet polishing material is characterized in that it further comprises a square or rectangular wool.   
     
     
         4 . The method for manufacturing an item storage container according to  claim 2 ,
 wherein the wet polishing material is characterized by being formed from the silicon carbide (SIC) having a size of 300 μm to 50 μm, the aqueous nitric acid solution having the concentration of 4.5%, and the wool having a size of 2 mm to 10 mm in a weight ratio of 2:6:2,   
     
     
         5 . The method for manufacturing an item storage container according to  claim 2 ,
 wherein the wet polishing material is characterized by being formed from an aluminum oxide (Al 2 O 3 ) having a size of 0.05 μm, the aqueous nitric acid solution having the concentration of 4.5%, and the wool having a size of 2 mm to 10 mm in a weight ratio of 2:6:2,   
     
     
         6 . An item storage container manufactured according to the method for manufacturing an item storage container according to  claim 1 ,
 a first unit for fixing item within an internal space;   a second unit covering the first unit; and   a connecting unit connecting the first unit and the second unit so that the second unit rotates with respect to the first unit.   
     
     
         7 . The item storage container according to  claim 6 ,
 wherein the surfaces of the first unit, the second unit, and the connection unit are characterized by having a surface roughness of 0.1 μm or less.   
     
     
         8 . The item storage container according to  claim 6 ,
 wherein the first unit is characterized by comprising a body part that forms an internal space; and   a landing part that is fixed inside the body part to form an internal surface.   
     
     
         9 . The item storage container according to  claim 6 ,
 wherein the second unit is characterized by comprising a cover part that covers the body part; and   a protective part connected within the cover part to form an internal surface and enclose the item.   
     
     
         10 . The item storage container according to  claim 6 ,
 wherein the connecting unit is characterized by comprising a first guide part that is unidirectionally open and forms a path for guiding the opening or closing of the second unit as it pivots from the first unit;   a second guide part coupled to one open side of the first guide part and provided so that one side of the second unit is in contact with the second unit when rotating in the opening or closing direction of the second unit to guide the rotation corresponding to the path; and   a second guide portion coupled to the open side of the first guide portion, arranged to contact one side of the second unit during rotation in the opening or closing direction of the second unit, guiding said rotation corresponding to said path; and   a cover part fixed to the first guide part, which is arranged to face the item and forms an internal surface.   
     
     
         11 . The item storage container according to  claim 6 ,
 wherein the item storage container further comprises a support unit that supports the bottom to prevent the first unit from tipping over.   
     
     
         12 . The item storage container according to  claim 11 ,
 wherein the surface of the support unit is characterized by having a surface roughness of 0.1 μm or less.