(under subclass 17) Machines for either (1) integrating a separate flange, known as a rib, to a sole and along the periphery thereof, or (2) strengthening such flange already integrated to a sole by adding a flat strip thereto.
(1) Note. A shoe upper subsequently may be attached to the rib.
SEE OR SEARCH THIS CLASS, SUBCLASS:
27+, for machines for forming a rib from sole material by slitting or grooving the sole.