Cleaning blade
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United States of America Patent
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May 30, 2017
Grant Date -
Oct 27, 2016
app pub date -
Dec 15, 2014
filing date -
Dec 16, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
In a cleaning blade 1 having an elastic body 11, which is a molded article of a rubber material, the elastic body 11 having at least a surface-treated layer 12 formed at least on an abutting part with an object of contact, the surface-treated layer 12 is formed by impregnating the elastic body 11 with a surface treatment liquid which contains a bi-functional isocyanate compound, a tri-functional polyol, and an organic solvent, or with a surface treatment liquid which contains an organic solvent and an isocyanate-group-containing compound having an isocyanate group yielded through reaction between the bi-functional isocyanate compound and the tri-functional polyol, followed by curing; the ratio between an isocyanate group contained in the bi-functional isocyanate compound and a hydroxyl group contained in the tri-functional polyol (NCO group/OH group) is 1.0 to 1.5; and the surface-treated layer has a thickness of 10 μm to 100 μm.
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