| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To solve the problem related to the thermal crystallization treatment method of the flange, neck part or both of them of a cup-shaped container, achieve uniform heating in a partial or the whole circumference in a short time and provide a cup-shaped container free from deformation and excellent in heat resistance. <P>SOLUTION: In the thermal crystallization treatment method of the flange of the cup-shaped container made of a synthetic resin, the flange of the cup-shaped container is first preheated by a hot plate and subsequently headed by irradiation with a laser beam to be thermally crystallized. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
