Combination oil ring
A main object of the present invention is to provide a combined oil ring capable of exhibiting a sufficient tension, having excellent oil scraping function and oil control function, even if a coil expander formed of a shape memory alloy is used. To achieve the above mentioned object, the present inv...
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Main Authors | , , , |
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Format | Patent |
Language | English |
Published |
01.06.2006
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Subjects | |
Online Access | Get full text |
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