发明授权
- 专利标题: Hermetic sealing composition
- 专利标题(中): 密封组合物
-
申请号: US797118申请日: 1997-02-10
-
公开(公告)号: US5733828A公开(公告)日: 1998-03-31
- 发明人: Hiroshi Usui , Tsuneo Manabe , Kazuo Harada , Ryuichi Tanabe
- 申请人: Hiroshi Usui , Tsuneo Manabe , Kazuo Harada , Ryuichi Tanabe
- 申请人地址: JPX Tokyo
- 专利权人: Asahi Glass Company Ltd.
- 当前专利权人: Asahi Glass Company Ltd.
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX8-027872 19960215; JPX8-240817 19960911
- 主分类号: C03C3/15
- IPC分类号: C03C3/15 ; C03C8/24 ; C03C3/14
摘要:
A hermetic sealing composition consisting essentially of from 60 to 99 wt % of a bismuth type low melting glass powder and from 1 to 40 wt % of a low expansion ceramic filler powder, wherein the low melting glass has a composition consisting essentially of: ______________________________________ Bi.sub.2 O.sub.3 77 to 95 wt %, MgO + ZnO 1 to 20 wt %, B.sub.2 O.sub.3 2 to 10 wt %, SiO.sub.2 0 to 1 wt % and CeO.sub.2 0 to 10 wt %. ______________________________________
公开/授权文献
- US5193977A Flexible membrane sealless centrifugal pump 公开/授权日:1993-03-16
信息查询