Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Deforming the surface only
Reexamination Certificate
2006-07-04
2006-07-04
Juska, Cheryl A. (Department: 1771)
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
Deforming the surface only
C264S299000, C264S300000, C264S313000, C264S316000, C264S319000, C264S336000, C264S167000
Reexamination Certificate
active
07070727
ABSTRACT:
A unitary polymer substrate having a plurality of microfibers projecting from a surface is provided. The presence of the microfibers greatly increases the surface area and can impart a cloth-like feel to the surface. The projecting microfibers may have a variety of forms, including frayed-end microfibers, tapered microfibers, microfibers having an expanded cross-sectional shape, and microfibers having a very high aspect ratio. A number of methods of producing unitary polymer structures with a plurality of projecting microfibers are also provided.
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Aamodt Jennifer M.
Berg James G.
Calhoun Clyde D.
Koskenmaki David C.
3M Innovative Properties Company
Juska Cheryl A.
Lown Jean A.
Withers James D.
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