| 摘要 |
<P>PROBLEM TO BE SOLVED: To surely prevent all areas except a target area from being heated, when the restricted range of the end of a blank where a thermoplastic resin is provided on the front or rear surface thereof is heated to melt or soften the thermoplastic resin. <P>SOLUTION: A heating device in a paper container forming machine includes a heater 27 ejecting hot air toward the front surface of one end of the blank 5 or the rear surface of the other end of the blank 5 and a heat insulation member which is closely adhered to the front surface or the rear surface, exposes the area where a synthetic resin is softened or melted of the front surface or the rear surface to the hot air and shields all places except the area of the front surface or the rear surface from the hot air. <P>COPYRIGHT: (C)2012,JPO&INPIT |
