| 摘要 |
PROBLEM TO BE SOLVED: To obtain a highly transparent tubular packaging container. SOLUTION: The invention relates to the packaging container including a vertical seam, use of polyethylene terephthalate for making a tube in particular, and the tube made of the material. Although a container made of the above mentioned material by drawing and deep-drawing is known, its transparency is not high. A completely transparent container can be manufactured at a high production speed. COPYRIGHT: (C)2006,JPO&NCIPI
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