E - Fixed Constructions – 02 – D
Patent
E - Fixed Constructions
02
D
E02D 5/56 (2006.01) E02D 5/22 (2006.01)
Patent
CA 2542166
A modular helical piering system employs a series of tubular shafts (10a,10b) having a rectangular cross-section that can be secured to one another by means of couplers (14) and removable pins (30a) inserted through holes (12) in the shafts (10a,10b). A number of helical blades (20) can also be removably secured to the shafts (10a,10b) at desired locations by means of pins (30b).
Borden Ladner Gervais Llp
Jones Robert L.
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