B - Operations – Transporting – 23 – P
Patent
B - Operations, Transporting
23
P
26/162, 26/207
B23P 6/00 (2006.01) E03B 9/04 (2006.01)
Patent
CA 1325716
ABSTRACT OF THE DISCLOSURE A damaged hydrant casing which has an integral barrel extending below ground level is repaired without excavation. A support structure defining a horizontal work surface is clamped to the hydrant barrel. A powered groove-forming tool is supported from the work surface with a mechanical spacer and moved about the barrel to form a circumferential groove. A powered cutting tool is then supported from the work surface with another mechanical spacer and moved about the barrel to cut the barrel circumferentially above the groove. An upper defective portion of the hydrant casing is removed and only a stub portion of the barrel remains above ground. A split flange with a frangible inner lip is secured to the stub portion of the barrel with the lip seated in the circumferential groove. A shorter hydrant casing having a lower complementary flange is then seated on the split flange, and the two flanges are secured to one another with bolts. The support member is then released and removed.
602664
Campbell Marc
Campbell Marc
Waraksa Mirek A.
LandOfFree
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