发明名称 |
Ultrasonic welding method for sealing a thermoplastic cap to the neck of a thermoplastic container |
摘要 |
A method for sealing the neck of a thermoplastic container to a thermoplastic cap superposed upon the neck and the cap having a lateral edge extending beyond the periphery of the neck using an ultrasonic welding apparatus includes an ultrasonic resonator having a domical internal cavity in its output end for reshaping the lateral edge of the cap in order to form a peripheral bead along the interface between the cap and the neck of the container.
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申请公布号 |
US4411720(A) |
申请公布日期 |
1983.10.25 |
申请号 |
US19820360485 |
申请日期 |
1982.03.22 |
申请人 |
BRANSON ULTRASONICS CORPORATION |
发明人 |
SAGER, THOMAS B. |
分类号 |
B29C65/08;B65B51/22;(IPC1-7):B29C27/08;B65B7/28 |
主分类号 |
B29C65/08 |
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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