发明名称 WATER METER FREEZE PROTECTOR
摘要 A water meter freeze protector structure wherein a water meter having a body with an upstanding register portion is located in the lower portion of a chamber formed by the wall of a meter box and a cover closing the upper end of said box. A generally horizontal wall member resting on the meter body and having an outer periphery engaged with the inner surface of the meter box and an opening aligned with and receiving the meter register portion, said wall member being of an insulating material such as synthetic resin foam and forming an insulating barrier between the portion of the chamber containing the water meter and any cold temperatures in the upper portion of the chamber caused by sub-zero atmospheric temperatures.
申请公布号 US3648520(A) 申请公布日期 1972.03.14
申请号 USD3648520 申请日期 1970.07.13
申请人 DUANE L. PRICE 发明人 DUANE L. PRICE
分类号 E03B7/07;E03B7/12;E03B9/08;G01F15/10;(IPC1-7):G01F15/10 主分类号 E03B7/07
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