Interchangeable sole system for shoe manufacturing

Abstract

:This invention relates to a flexible shoe upper and sole connection system useful in the shoe manufacturing sector. The invention comprises guide channels (1), (2) provided in the sole AL and an expandable connecting part (7) in the upper (6) AL of the shoe, whereby the upper of the shoe is connected to the guide channels provided in the sole AL by a spring-loaded connection and is firmly secured by a locking system.