发明公开
EP1951489A1 SURFACE TREATMENT PROCESS FOR CERAMIC MECHANICAL SEAL RINGS OF PUMPS AND RING OBTAINED WITH SAID PROCESS
审中-公开
机械密封表面的处理方法RINGS陶瓷泵和有顺序GOT RING
- 专利标题： SURFACE TREATMENT PROCESS FOR CERAMIC MECHANICAL SEAL RINGS OF PUMPS AND RING OBTAINED WITH SAID PROCESS
- 专利标题（中）： 机械密封表面的处理方法RINGS陶瓷泵和有顺序GOT RING
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申请号： EP06810023.9申请日： 2006-10-12
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公开(公告)号： EP1951489A1公开(公告)日： 2008-08-06
- 发明人: ZAMBOTTO, Italo , VALENTINI, Francesco
- 申请人： Meccanotecnica Umbra S.p.A.
- 申请人地址： Via Giovanni Agnelli 7 06042 Campello sul Clitunno (PG) IT
- 专利权人： Meccanotecnica Umbra S.p.A.
- 当前专利权人： Meccanotecnica Umbra S.p.A.
- 当前专利权人地址： Via Giovanni Agnelli 7 06042 Campello sul Clitunno (PG) IT
- 代理机构： Baldi, Claudio
- 优先权： ITMC20050120 20051115
- 国际公布： WO2007057934 20070524
- 主分类号： B28B3/02
- IPC分类号： B28B3/02 ; F16J15/00
摘要：
The present invention relates to a surface treatment process for ceramic mechanical seal rings of pumps, of the type comprising a first cold-moulding process of the ceramic powders in a suitable die and a second sintering process of the ring, characterised in that the moulding process is performed with a punch with head provided with a plurality of punctiform micro-projections; another object of the present invention is the seal ring obtained with the said process.
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