Patent ID: 8997984
Filing Date: 2015-04-07
Classification: B65D

Abstract:
1. A layered structure for a paper box, including: an inner box formed with a first opening, wherein a stepped surface is formed at the inner edge of the first opening; a carrying plate, wherein the outer periphery thereof is formed with a flange, and the carrying plate is disposed in the first opening and the flange is supported by the stepped surface; and an outer cover formed with a second opening, wherein the second opening is sleeved with the first opening, and the outer cover is served to cover the first opening and to cover outer sides of the inner box, wherein four corners of the inner box are respectively formed with a first fillet angle, wherein four corners of the outer cover are respectively formed with a second fillet angle, and wherein the radius of the first fillet angle is larger than the radius of the second fillet angle.