PURPOSE: To provide shoes provided with the sole molded simply with low cost, having an excellent adhesive property between the mid sole and ground contacting sole and a solid layer having a proper thickness on the ground contacting surface.
CONSTITUTION: A ground contacting sole molding material molded of solid unvulcanized rubber introduced into a ground contacting sole molding cavity 0 formed on the bottom surface with ruggedness 011 is pressed with a dummy last 02 to mold an unvulcanized ground contacting sole 1 having a rugged design 11 on the ground contacting surface. Next, the dummy last 02 is replaced by a last 03 hanging a shell 3. A mid sole molding material formed of a foaming unvulcanized rubber introduced into a mid sole molding cavity 0' formed on the lower surface of the last 03 is heated to mold a foamed vulcanized mid sole 2. The ground contacting sole 1 is vulcanized and united with the shell 3 through the mid sole 2 by a foaming pressure in the mid sole molding.
GB1435837A | 1976-05-19 | |||
US2826832A | 1958-03-18 |