E - Fixed Constructions – 02 – D
Patent
E - Fixed Constructions
02
D
64/20, 61/78
E02D 5/52 (2006.01)
Patent
CA 1285783
ABSTRACT OF THE DISCLOSURE A shaft of a pile or earth anchor comprises extension members that are added as the shaft is forced into the ground. The joints are held together by tongues that are welded to the forward end of each extension member and bent rearwardly around holds on the rear end of the proceeding extension member.
540776
Marks & Clerk
Skogberg Bo T.
LandOfFree
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