发明名称 |
Pressure relief device for vessels |
摘要 |
A pressure relief device (28) removably secured to a pressure vessel (10) has a valve closure (83) including an inner valve plate (84) and an outer cover (96) thereover. A spindle (68) is secured separately to valve plate (84) and cover (96), and springs (80, 82) positioned below a tapered plug (54) urges valve closure (83) to a closed position. An elastomeric O-ring (108) between plate (84) and cover (96) forms the primary seal and may be removed and replaced while valve plate (84) remains in a seated closed position.
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申请公布号 |
US4674530(A) |
申请公布日期 |
1987.06.23 |
申请号 |
US19860818227 |
申请日期 |
1986.01.13 |
申请人 |
ANDERSON, GREENWOOD & COMPANY |
发明人 |
BICKFORD, CLEO M. |
分类号 |
B65D90/32;F16K17/04;(IPC1-7):F16K17/04 |
主分类号 |
B65D90/32 |
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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