Article having multi-layered lubricant and method therefor
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United States of America Patent
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Aug 16, 1994
Grant Date -
N/A
app pub date -
Oct 2, 1992
filing date -
Oct 2, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An article having surfaces in sliding contact is lubricated at the interface with a multi component system. A first crosslinked basement lubricant is coated onto a surface, such as a syringe barrel. A second lubricant is coated over the crosslinked lubricant. The second surface, such as a syringe stopper is engaged with the first surface. A second aspect of the invention is a method for lubricating an article such as a syringe. A low viscosity prebasement lubricant is evenly coated onto the inside surface of the syringe barrel and then crosslinked by a plasma to a viscous liquid or substantially solid basement lubricant. A second surface lubricant is then applied over the basement lubricant.
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