发明名称 |
Ultrasonically sealed side seam on cup |
摘要 |
A container comprising a tubular body part having a longitudinal lapped side seam and a bottom part attached to one end thereof, characterized in that the overlapping portions of the side seam are adhered by ultrasonic bonding to provide a bonded area longitudinally of the side seam of predetermined transverse width throughout the major portion of its length and a bonded area at the top of greater transverse width which is at least several millimeters in length longitudinally of the seam. |
申请公布号 |
US4715527(A) |
申请公布日期 |
1987.12.29 |
申请号 |
US19860907123 |
申请日期 |
1986.09.11 |
申请人 |
TOPPAN PRINTING CO., LTD. |
发明人 |
TSUZUKI, KIYOSHI;TANAKA, SIGETO;TAKE, YOSHIAKI |
分类号 |
B29C65/00;B29C65/08;B29C65/48;B31B1/64;B65D3/12;(IPC1-7):B65D3/28 |
主分类号 |
B29C65/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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