E - Fixed Constructions – 02 – D
Patent
E - Fixed Constructions
02
D
61/32, 61/57
E02D 19/00 (2006.01)
Patent
CA 1134633
ABSTRACT OF THE DISCLOSURE An apparatus for relieving static subterranean water heads surrounding subterranean walls which includes a perforated hollow sleeve arranged to extend through the subterranean wall and into surrounding static water head. The sleeve has distal and proximal ends, with a plurality of spaced perforations being formed in the wall of the sleeve substantially along the length thereof. The distal end is tapered substantially to a pointed tip, and the tapered tip portion is of generally solid construction. A flanged coupling means is formed adjacent the proximal end for coupling water conduits internally thereof. When desirable an imperforate sleeve means may be provided adjacent the proximal end for rendering a portion of the perforated hollow sleeve adjacent the proximal end substantially watertight, thereby protecting paneling which may be pre-positioned in the subterranean wall.
369848
Frayne & Company Robert
Johnson David S.
LandOfFree
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