Patent ID: 8647097
Filing Date: 2014-02-11
Classification: B29C,B29K,B29L,G02B

Abstract:
1. An intermittent film forming system, comprising: a mold having a fine projections and depressions shape formed on the surface thereof; a press for pressing a film to the surface of the mold; a transportation for carrying the film; and a releasing device for releasing the film from the surface of the mold, wherein said releasing device is provided at least with: a stripper roll freely rotatably held for releasing the film; an auxiliary roll arranged substantially in parallel with the stripper roll across a film path line; a means for moving the auxiliary roll circularly along the periphery of the stripper roll such that the film embraces the stripper roll and the auxiliary roll; a means for moving said stripper roll in the vicinity of said mold surface in parallel therewith; a guide for moving said stripper roll and said auxiliary roll in the vicinity of the mold surface in parallel therewith while maintaining such a relative positional relationship that the film embraces the stripper roll; and a mechanism for imparting a tension to the film on the downstream side from said stripper roll in a film carrying direction.