Method for laying pipes and a machine for actuating the method
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United States of America Patent
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Jul 1, 2014
Grant Date -
Jul 12, 2012
app pub date -
Sep 16, 2010
filing date -
Sep 17, 2009
priority date (Note) -
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Abstract
A method for laying a pipe includes predisposing first and second releasable gripping devices for firmly gripping or releasing the pipe. The gripping devices are located along the longitudinal direction of the pipe. The gripping devices when activated grip and move the pipe so that only a predetermined longitudinal pipe section is received in the laying site. The gripping devices are rearranged and activated, instant by instant, so that the pipe is at all times solidly gripped by at least one gripping device. The above step is repeated until multiple longitudinal sections are housed in the laying site. A machine for laying pipe has gripping devices independently activatable for firmly gripping or releasing the pipe and also for moving the first and/or second gripping devices a predetermined number of times while gripping the pipe, for moving multiple longitudinal pipe sections into the laying site.
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