发明名称 |
Shut-off/equalizing valve with molded seals |
摘要 |
A shut-off/equalizing valve in which a valve core assembly includes an elastomeric seal element molded onto a cylindrical metallic core member. The core member includes an enlarged barrel portion having a cross bore formed therethrough. The seal element is molded onto the barrel portion and includes first and second circumferential ribs adjacent the ends of the barrel portion, one of which lies adjacent to the openings of the cross bore, and pairs of longitudinal ribs in straddling relation to the openings of said cross bore.
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申请公布号 |
US4844413(A) |
申请公布日期 |
1989.07.04 |
申请号 |
US19840642285 |
申请日期 |
1984.08.20 |
申请人 |
THE BABCOCK & WILCOX COMPANY |
发明人 |
WEBER, LEE A.;MACHESKY, FRANK |
分类号 |
F16K5/04 |
主分类号 |
F16K5/04 |
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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