发明名称 POTABLE WELL CONVERSION DEVICE
摘要 Disclosed herein is a coupling device for converting a below-ground potable water well installation to an above- ground installation, the device comprising a housi ng having a first opening which is dimensioned to receive an upper end of a below-ground well casing and a second opening which is dimensioned to receive a lower end of a well casing extension; gasket means located adjacent the first and second openings for sealing the respective connections between the housing, the below-ground well casing and the well casing extension, the gasket means further providing a first seating surface to seat the upper end of the well casing and a second seating surface to seat the lower end of the well casing extension; a nd a central region including a passage to receive a well line adaptor there between.
申请公布号 CA2355157(A1) 申请公布日期 2003.02.15
申请号 CA20012355157 申请日期 2001.08.15
申请人 HITCHON, STEWART 发明人 HITCHON, STEWART
分类号 E03B3/12;E03B3/15;(IPC1-7):E21B33/00 主分类号 E03B3/12
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