| 摘要 |
PROBLEM TO BE SOLVED: To provide a production method of a stretched resin film in which a raw film is drawn by travel movement of a clip that holds a long side marginal part to obtain a stretched resin film, and that is a method in which securement of a region that can be used after drawing and suppression of film breakage at drawing are further secured.SOLUTION: A method comprises as follows. A split roll in which a blade in which a width is narrower than a resin film and that slits a resin film in a longer direction built-in is arranged in a travel path of a resin film as a roll that changes a travel direction of a resin film after drawing, a resin film released from a clip does not pass a roll having a width wider than a film width but passes the split roll, an end part of a width direction including a part held by the clip is removed by slit using the blade while a resin film passes the split roll and a travel direction of the resin film changes. |
