Patent ID: 7901197
Filing Date: 2011-03-08
Classification: B29C,B65B

Abstract:
1. A molding device for pre-shaped plastic films comprising a body having an annular side surface and a top opening; a platform being detachably mounted in the top opening of the body; and a driving shaft being mounted longitudinally through the body, movably extending longitudinally relative to the body and having an end attached securely to the platform to selectively raise the platform, wherein the body further has the platform further has the molding device further comprises wherein the driving shaft is slidably mounted longitudinally through the sliding holes of the bushings and has a bottom end and a top end extending through the central hole of the central lump of the body and having a securing hole corresponding to the central hole of the platform and a fixing element extends through the through hole and mounted into the securing hole to mount the platform on the top end of the driving shaft.