Method And Apparatus For Replacing Culverts
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United States of America Patent
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Issued Date -
Feb 16, 2017
app pub date -
Aug 11, 2016
filing date -
Aug 11, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A system for installing a drainage structure in the subsurface. The system has a casing, a drive device, and at least one fin. The casing has opposed first and second ends and defines a hollow region. The drive device is supported at the first end of the casing and configured to drive movement of the casing in a first direction. The at least one fin projects from the casing into the hollow region and is configured to buckle a corrugated metal culvert positioned at least partially within the casing when the casing is driven in the first direction. The drive device may be a pneumatic hammer or puller attached to a rod pulling machine.
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