Stock material or miscellaneous articles – Structurally defined web or sheet – Continuous and nonuniform or irregular surface on layer or...
Patent
1977-05-12
1980-05-27
Beck, Shrive P.
Stock material or miscellaneous articles
Structurally defined web or sheet
Continuous and nonuniform or irregular surface on layer or...
156 624, 156279, 427 25, 427195, 427245, 427355, 427366, 428 90, 428151, 428904, D06N 704, B32B 300
Patent
active
042051088
ABSTRACT:
A sheet material finished on at least one side with a coherent surface layer is formed by electrostatically spraying a solution or dispersion of plastics producing fibers from 0.1 to 30 microns in diameter. Then the mat is consolidated with heat and pressure, whereby the fibers form a tight bond with the surface of the support material which is thus finished.
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Hoffmann Harald
Schmidt Klaus
Beck Shrive P.
Firma Carl Freudenberg
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