Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 5, 2021
Patent Application Number
16545333
Date Filed
August 20, 2019
Patent Citations
Patent Citations Received
Patent Primary Examiner
Patent abstract
A pipe loosening device and methods are shown. In one example, the pipe loosening device enables a method wherein a pipe to be replaced is deformed but not burst, and a portion of a sidewall of the pipe is forced outward into the surrounding soil to compact a local region of the surrounding soil and loosen the existing pipe. The pipe may then pulled from the ground along an axis of the pipe.
Timeline
No Timeline data yet.
Further Resources
No Further Resources data yet.
