To enable a heated substance to be kept well at a certain temperature and stored while its quality is being maintained.
A storing box 1 with its inner section being applied as a storing space S is comprised of a bottom plate forming a bottom surface; side plates 3 vertically installed at both sides of the bottom plate; a front plate 4 and a rear plate 5 each of which is vertically mounted at a front surface side and a rear surface side of the bottom plate; and an upper surface plate forming an upper surface of the storing box 1. The bottom plate, the side plates 3, the front plate 4, the rear plate 3 and the upper plate are made of thermal insulating material. Each of both side plates 3, the front plate 4 and the rear plate 5 is connected to the bottom plate by connector sheets 8. The upper plate is connected to the rear plate 5 by connector sheets 8. Inner fins 21 are arranged inside both end sections of the side plates 3 and inner fins are arranged at the upper end of each of the side plates 3 and then a clearance between the plates is closed by these inner fins 21. In addition, the bottom surface is reinforced with a reinforcing layer and then the front plate 4 and the rear plate 5 are provided with pockets for storing and holding a hanging-up section comprised of a belt for hanging-up operation.
SUZUKI YOSHIO
INOUE HIROSHI
SHOWA TANSAN KK
TAIYO KOGYO CO LTD