Apparatus and method for the longitudinal splitting of pipes laid underground
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United States of America Patent
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Jan 22, 2002
Grant Date -
Aug 30, 2001
app pub date -
Apr 2, 2001
filing date -
Jul 11, 1998
priority date (Note) -
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Abstract
An apparatus for longitudinal splitting, in particular longitudinal slitting, of pipes laid underground and for the simultaneous trenchless pulling-in of a new pipeline comprises a carriage in the form of a frame, in which a cutting wheel for cutting open the pipe wall and a support roller, which serves as an abutment and is supported on the pipe wall, are arranged above one another. The carriage or frame has a base which engages in a form-fitting manner in a frame-like window of a pull and/or push linkage.
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