Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 3, 2008
0Patent Application Number
115127450
Date Filed
August 29, 2006
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The present invention is a system and method for removal of buried objects. According to one embodiment of the invention, a crane with a vibrator casing driver is used to lift and suspend a large diameter steel casing over the buried object. Then the casing is driven into the ground by the vibratory driver until the casing surrounds the buried object. Then the open bottom of the casing is sealed shut by injecting grout into the ground within the casing near its bottom. When the seal has cured and hardened, the top of the casing is lifted to retrieve the casing, with the buried object inside, from the ground.
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