Impregnated convoluted boot
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United States of America Patent
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Jun 1, 2004
Issued Date -
N/A
app pub date -
Mar 24, 2003
filing date -
Nov 14, 1997
priority date (Note) -
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Abstract
The invention relates to an impregnating agent for a convoluted boot consisting of a thermplastic or elastomer material and used for covering the chamber of a joint, especially a rotating joint subjected to large articulation angles, which joint chamber is filled with a lubricant, said convoluted boot comprising a plurality of folds and two end collars, with the surfaces of the convoluted boot wall contacting one another when the joint is subjected to large articulation angles. It is the object of the invention to reduce the wear and eliminate squeaking symptoms of convoluted boots treated with the inventive impregnating agent. In accordance with the invention, the objective is achieved in that the impregnating agent contains a carrier fluid, an oil dissolved in the carrier fluid and having a molecular weight of >200, and a wetting agent which is soluble in oil and which reduces the surface tension of the oil.
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