发明名称 |
Ultrasonic welding apparatus for making a bellows |
摘要 |
A method of making a non-corrosive plastic bellows by ultrasonic welding inner and outer flanges of discs with cylindrical and half-cylindrical horns, respectively. The half-cylindrical horn and a fixture used therewith have lips to fit on opposite sides of a pair of contacting outer flanges and in between two pairs of flanges. The inner flanges are thus welded first. |
申请公布号 |
US4252600(A) |
申请公布日期 |
1981.02.24 |
申请号 |
US19790086649 |
申请日期 |
1979.10.22 |
申请人 |
INTERNATIONAL TELEPHONE AND TELEGRAPH CORPORATION |
发明人 |
COOPER, WILLIAM J. |
分类号 |
B29C65/08;F16J3/04;(IPC1-7):23K1/06;29C27/08 |
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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