- 专利标题： Seal for belled pipe
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申请号： US14614254申请日： 2015-02-04
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公开(公告)号： US09951869B2公开(公告)日： 2018-04-24
- 发明人: Bernal Lopez-Chaves , Alan Guzowski
- 申请人： Trelleborg Pipe Seals Lelystad BV
- 申请人地址： NL Lelystad
- 专利权人： TRELLEBORG PIPE SEALS LELYSTAD BV
- 当前专利权人： TRELLEBORG PIPE SEALS LELYSTAD BV
- 当前专利权人地址： NL Lelystad
- 代理机构： Knobbe Martens Olson & Bear, LLP
- 主分类号： F16J15/10
- IPC分类号： F16J15/10 ; F16J15/02 ; F16L21/03
摘要：
A sealing ring for connecting a belled end of a female pipe to a spigot end of a male pipe is disclosed. The sealing ring includes a sealing portion joined to a restraining portion. Preferably the sealing portion is made of an elastomeric material and the reinforcing portion is made of a polymer and does not include a metal reinforcement.
公开/授权文献
- US20160223109A1 SEAL FOR BELLED PIPE 公开/授权日：2016-08-04
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