Tensioner for the controlled clamping and moving of an elongated body, in particular for an installation for laying pipelines, umbilicals or cables
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United States of America Patent
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Sep 27, 2016
Grant Date -
Apr 30, 2015
app pub date -
Oct 27, 2014
filing date -
Oct 31, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A tensioner for the controlled clamping and moving of an elongated body (A), in particular for an installation for laying pipelines, umbilicals or cables, includes a frame carrying at least two guiding boxes (3) that are arranged about an axis of symmetry (4), for clamping a segment of the elongated body (A). The guiding boxes (3) according to the invention are mounted mobile on their support frame through operating elements (5) including: (i) at least one linear actuator (5) including an operating cylinder extended by spring element, which operating cylinder and which spring element each have a longitudinal extension axis, the extension axes being oriented coaxially, or at least approximately coaxially, relative to each other, so as to form together the extension axis of the linear actuator; and (ii) programmable elements for controlling the operating cylinder in extension.
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