The invention relates to molding systems and related methods. In one aspect of the invention, a molding apparatus includes a first cylindrical roll that is rotatably coupled to a frame and an adjacent pressure device, the frame is configured so that a substrate can pass through a nip formed between the...http://www.google.com/patents/US7785095?utm_source=gb-gplus-sharePatent US7785095 - Molding apparatus and related methods
