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1. 发明公开

EP1340931A1 Pressure vessels and end closures therefor 失效
标题翻译： Druckbehälterund Endverschlussdafür
公开(公告)号：EP1340931A1
公开(公告)日：2003-09-03
申请号：EP03008773.8
申请日：1997-03-12
申请人： Essef Corporation d.b.a. Pentair Water Treatment
发明人： Darby, Peter C. , Eisberg, Douglas , Gilbertson, Terry
IPC分类号： F16J13/02 , B01D65/00 , B01D35/30
CPC分类号： F16J13/02 , B01D35/30 , B01D35/31 , B01D61/10 , B01D65/00 , B01D2201/302 , B01D2313/56 , B29C53/587
摘要： The present invention relates to a pressure vessel which includes at least one end closure, which vessel comprises a generally tubular shell having at least one open end and having an interior surface which has a first annular groove formed therein, head means having an outer periphery of circular shape which is proportioned to substantially close said open end of said shell, and removable locking ring in the form of a helical band having at least two revolutions of flat spring-like material, which band is disposed in said first groove and extends radially inward a sufficient distance to block axially outward movement of said head means therepast, said head means including an outer face portion which is formed with a shoulder that provides an annular notch about is periphery, said shoulder and said first groove forming a pocket wherein said locking ring is received, whereby said shoulder prevents inadvertent removal of said helical locking ring from said pocket while said pressure vessel contains superatmospheric pressure.
摘要翻译：压力容器技术领域本发明涉及一种压力容器，其包括至少一个端盖，该容器包括具有至少一个开口端的大致管状壳体，并且具有形成在其中的第一环形槽的内表面，成形为基本上封闭所述壳体的所述开口端的圆形形状，以及具有至少两圈平板弹簧状材料的螺旋形带形式的可移除锁定环，该带状物设置在所述第一槽中并径向向内延伸足够的距离阻止所述头部装置的轴向向外运动，所述头部装置包括外表面部分，该外表面部分形成有肩部，该肩部围绕周边提供环形凹口，所述肩部和所述第一凹槽形成凹口，其中所述锁定环由此所述肩部防止在所述压力容器期间无意中从所述口袋移除所述螺旋锁定环 el含有超大气压。

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