04343848 is referenced by 87 patents and cites 5 patents.

An embossed thermoplastic film characterized in that one surface of the film is provided with a plurality of rows of protuberances having the shape of pyramids with square bases which extend perpendicular to both the longitudinal and the transverse axes of the film. The protuberances are joined at the edge of the bases by flat valley portions which intersect each other at right angles. The embossed film has a low coefficient of friction and increased embossed thickness.

Title
Embossed thermoplastic material
Application Number
6/216127
Publication Number
4343848
Application Date
December 15, 1980
Publication Date
August 10, 1982
Inventor
Erving A Leonard Jr
Terre Haute
IN, US
Agent
Paul H Leonard
John F Sieberth
Donald L Johnson
Assignee
Ethyl Corporation
VA, US
IPC
B32B 3/28
B32B 3/30
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