发明名称 |
Welding apparatus |
摘要 |
A welding apparatus for producing at least two spaced welding seams for welding together overlapping ends of two lengths of thermoplastic synthetic resin sheets at a welding station, comprises a frame, a heating device arranged on the frame ahead of the welding station in an operating direction and being displaceable in this direction. The heating device includes at least two spaced welding wedges and a separate heating element arranged in each one of the welding wedges, each heating element being independently thermostatically controllable.
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申请公布号 |
US4769102(A) |
申请公布日期 |
1988.09.06 |
申请号 |
US19850791800 |
申请日期 |
1985.10.28 |
申请人 |
NEUMUELLER, WALTER;LIEBL, FRIEDRICH |
发明人 |
NEUMUELLER, WALTER;LIEBL, FRIEDRICH |
分类号 |
B29C65/00;B29C65/02;B29C65/20;(IPC1-7):B30B3/04;B30B15/34 |
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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