Stock material or miscellaneous articles – Structurally defined web or sheet – Continuous and nonuniform or irregular surface on layer or...
Patent
1999-02-08
2000-07-25
Loney, Donald
Stock material or miscellaneous articles
Structurally defined web or sheet
Continuous and nonuniform or irregular surface on layer or...
428156, 428167, 428172, 428212, B32B 328
Patent
active
060934719
ABSTRACT:
Thermoplastic sheet comprising plasticized polyvinyl butyral has a regular pattern of ridges and channels integrally formed and arranged in each face at an angle of intersection with respect to each other of at least 25 degrees, the ridges tapering to flattened V-shaped peaks of tight radius of less than 0.0034 inch, each face of the sheet having a surface permanence of at least 70%.
REFERENCES:
patent: 5425977 (1995-06-01), Hopfe
patent: 5455103 (1995-10-01), Hoagland et al.
Bourcier David P.
Hopfe Harold H.
Matis Gary
Yacovone Vincent J.
Loney Donald
Murphy Michael J.
Solutia Inc.
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