发明名称 |
DRAIN PUMP HOUSING |
摘要 |
PURPOSE: A drain pump housing and a molding device of the same are provided to make a protrusion even if the thickness of the housing is minimized by pipe-expanding the protrusion. CONSTITUTION: A drain pump housing comprises a housing main body(12). The housing main body has a cylindrical space part(14). The both ends of the housing main body are opened. A protrusion is integrally mounted on the both ends of the housing main body. The protrusion is pipe-expanded with a rolling process.
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申请公布号 |
KR20090107598(A) |
申请公布日期 |
2009.10.14 |
申请号 |
KR20080032944 |
申请日期 |
2008.04.10 |
申请人 |
SUNG WON INDUSTRIAL CO., LTD. |
发明人 |
BYUN, GUO SEUK |
分类号 |
B21D41/02;B21D51/18;F04D13/08 |
主分类号 |
B21D41/02 |
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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