| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a heat seal device for a container capable of reliably realizing the heat seal at a low cost even when heat-sealing an upper opening part of a container storing hot beverage such as coffee, or food at high temperature such as soups, boiled rice and pasta with a film. <P>SOLUTION: The heat seal device for the container has a function of performing a preheating step of heating (preheating) a film 12 by temporarily stopping the lowering motion of the heater panel 41 above the film 12 when the heater panel 41 lowered from the upper waiting position is pressed against a receiving tray 52 carried in a casing 2 while setting the container 11 from an upper side of the film 12 stretched on the receiving tray. <P>COPYRIGHT: (C)2007,JPO&INPIT |
