Plastic and nonmetallic article shaping or treating: processes – Forming continuous or indefinite length work – Shaping by extrusion
Patent
1991-01-04
1993-01-26
Thurlow, Jeffery
Plastic and nonmetallic article shaping or treating: processes
Forming continuous or indefinite length work
Shaping by extrusion
2642106, 264211, 26421112, 2642356, 264284, 2642893, B29C 5904, B29C 5508
Patent
active
051820692
ABSTRACT:
Elastomer film is extruded or coextruded against an engraved geometric micropattern roll which forms a geometric pattern of raised intersecting ridges or ribs on the film surface, and subsequently oriented in one or both directions to produce a heat-shrinkable, elastic film which retains its geometric micropattern embossment to an unexpectedly high degree, and which therefore has excellent non-blocking properties, reduced gloss and a satin appearance and feel.
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Exxon Chemical Patents Inc.
Simmons T. Dean
Thurlow Jeffery
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