发明名称 Freeze protection system for water pipes
摘要 A water pipe anti-rupture system for preventing freeze damage provides for an injection molded string of hollow cups spaced apart by a common connecting rod. Periodically spaced cross stabilizing leg members are disposed in a plane perpendicular to the connecting rod for frictionally engaging the inside of a water pipe to hold the cups in place substantially in the center and along a length of water pipe with hollows down so that they can entrap air. This system prevents bursting of the pipes when water freezes.
申请公布号 US5058627(A) 申请公布日期 1991.10.22
申请号 US19900509294 申请日期 1990.04.16
申请人 BRANNEN, WILEY W. 发明人 BRANNEN, WILEY W.
分类号 E03B7/10;F16L53/00;F16L57/00 主分类号 E03B7/10
代理机构 代理人
主权项
地址