An apparatus for molding the soles and uppers of various types of footgear to the contours of individual feet, said apparatus comprising multiple, individual, complete elements, each of said elements comprising impervious structure for receiving, maintaining, retaining and withdrawal of molding material;...http://www.google.fr/patents/US4744157?utm_source=gb-gplus-shareBrevet US4744157 - Custom molding of footgear
