| 摘要 |
PROBLEM TO BE SOLVED: To provide a T die preventing an ear height generated on both ends of a film to be formed, particularly the ear height when a polyethylene resin is used as possible, and an inner deckle apparatus for the T die. SOLUTION: The inner deckle apparatus for the T die 1 provided on the T die includes an embedded deckle 3 held on the tip end part of a rod 2 made of a pillar-shaped body or a cylindrical body, a deckle 4 with a flag placed on the lower side of the embedded deckle 3, and a deckle rod 5 placed on the lower side of the deckle 4 with the flag. The embedded deckle 3 comprises a base part 3A held on the tip end part of the rod 2, and a plate-shaped part 3B provided on the lower side of the base part 3A and formed in a plate shape extending vertically. The tip end face 3a of the base part 3A is formed in a reverse droplet shape or circular shape when viewing from the front, and includes a curved part protruded in front. COPYRIGHT: (C)2007,JPO&INPIT |
