发明名称 |
SPIRAL-WOUND DIAPHRAGM BELLOWS, AND METHOD OF MAKING SUCH A DIAPHRAGM BELLOWS |
摘要 |
A diaphragm bellows includes a spiral-wound, pre-profiled metal strip having neighboring turns which are connected by a continuous welding seam in an area of an outer diameter or inner diameter of the metal strip. Neighboring flanks of the metal strip enter a region of the welding seam at an angle of less than 60°.
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申请公布号 |
US2008264509(A1) |
申请公布日期 |
2008.10.30 |
申请号 |
US20080110726 |
申请日期 |
2008.04.28 |
申请人 |
WESTFALIA METALLSCHLAUCHTECHNIK GMBH & CO. KG |
发明人 |
WEISS MATTHIAS;MUNKER KARL-HEINZ;BAUMHOFF DIETMAR;SELTER OLIVER;HAUK STEFAN;GERHARD ANDREAS;SCHENK KARSTEN |
分类号 |
F16L11/15;B21C37/12;B23K26/28 |
主分类号 |
F16L11/15 |
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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