发明名称 |
VERFAHREN UND VORRICHTUNG ZUR HERSTELLUNG VON BALGEN |
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 |
DE2947539(A1) |
申请公布日期 |
1980.06.12 |
申请号 |
DE19792947539 |
申请日期 |
1979.11.26 |
申请人 |
DEUTSCHE ITT INDUSTRIES GMBH |
发明人 |
J. COOPER,WILLIAM |
分类号 |
F16J3/04;B29C65/08;B29C65/78;G01L7/06 |
主分类号 |
F16J3/04 |
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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