GIMBAL BEARING SYSTEM AND METHOD
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United States of America Patent
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Issued Date -
Dec 29, 2016
app pub date -
Mar 13, 2014
filing date -
Mar 14, 2013
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Abstract
Embodiments relate generally to gimbal bearings for installation of a riser string. Gimbal bearing embodiments comprise a top ring and a bottom ring, with a plurality of high capacity laminate bearings located therebetween, the high capacity laminate bearings comprising at least one of natural rubber and a marker layer. Each high caparity laminate bearing might comprise alternating layers of steel shims and elastomeric elements bonded together via adhesive. Embodiment designs provide for improved gimbal bearing characteristics, which may improve the effective lifespan of such gimbal bearings.
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