发明名称 SWIVEL WITH OR FOR HYDRANT MANIFOLD FOR INDUSTRIAL FIRE FIGHTING
摘要 A swivel with, or for, a hydrant manifold for industrial fire fighting comprising a swivel providing an at least 6 inch flow conduit and preferably including mating male and female sleeves of stainless steel and preferably having at least two rings of stainless steel ball bearings and a location for an interior water seal.
申请公布号 US2013248009(A1) 申请公布日期 2013.09.26
申请号 US201113261668 申请日期 2011.12.06
申请人 WILLIAMS DWIGHT P.;SPEARS CASEY R. 发明人 WILLIAMS DWIGHT P.;SPEARS CASEY R.
分类号 E03B9/02 主分类号 E03B9/02
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