Patent ID: 7832564

Claim:
A cosmetics case having a dual sealing structure, comprising: an outer case ( 1 ) having a cylindrical receiving chamber ( 2 ), with a fastening groove ( 3 ) circumferentially provided in an inner circumference of the receiving chamber ( 2 ); an inner case ( 10 ) received in the receiving chamber ( 2 ) in such a way that a fastening step ( 11 ), provided on an outer circumference of the inner case, is inserted into the fastening groove ( 3 ) of the outer case ( 1 ), and comprising a packing groove ( 12 ) which is formed along an upper end of the inner case and receives a packing ( 70 ), with a plurality of locking guides ( 14 ) provided on an upper portion of an outer circumference of the inner case; an inner lid ( 30 ) rotated around a second hinge pin ( 35 ) which is provided at a predetermined position on the upper end of the inner case ( 10 ), thus opening or closing the inner case ( 10 ), a lower end of the inner lid coming into close contact with the packing ( 70 ) so as to air-tightly seal the inner case ( 10 ); a rail case ( 20 ) mounted to an upper end of the outer case ( 1 ), a hinge block ( 22 ) of the rail case being inserted into a hinge seat ( 4 ) of the outer case ( 1 ) so that the rail case is rotated around a first hinge pin ( 25 ), with a rail groove ( 21 ) being circumferentially provided in an inner circumference of the rail case ( 20 ); and an outer lid ( 40 ) comprising a rail step ( 41 ) which is provided on a lower portion on an outer circumference thereof and rotates along the rail groove ( 21 ), and comprising a projection ( 42 ) which is provided on an inner circumference of the outer lid and is guided along a corresponding locking guide, thus opening or closing a holding space ( 31 ) of the inner lid ( 30 ).