| abstract |
(57) [Problem] To easily manufacture an endless belt having a belt circumference not more than 3.2 times the belt width. An inner mold (13) of a casting mold (10) is divided into a first split mold (5). 6, the division method including the toothed molding die 55 and the second division mold 56, the product is separated into two parts after molding, and the product is released, so that the belt circumference is 3.2 times or less the belt width D. The coreless endless belt 1 having the toothed portion 5 on the inner peripheral surface, which is made of the polyurethane elastomer, can be easily formed. |