| 摘要 |
PURPOSE: An expanding apparatus of tube lining bag is provided to improve the productivity and quality by expanding the sewing portion. CONSTITUTION: A tube lining bag expanding apparatus comprises a support roller portion(320) which supports the tube lining bag, and an expanding jig(330) which expands the edge part of the sewing portion. The expanding jig comprises a bar, and a parabolic extension pieces projected in both ends of the bar. The expanding jig is placed at a horizontal-guide roller portion which guides the tube lining bag from the supporting roller to the horizontal direction.
|
