| abstract |
MULTIPLE LAYER FILMS ARE MADE BY ARRANGING A MINIMUM OF TWO STREAMS INTO ONE STREAM HAVING A PLURALITY OF GENERALLY PARALLEL LAYERS. BY MECHANICALLY MANIPULATING THE LAYERED STREAM, AN INCREASED NUMBER OF LAYERS ARE OBTAINED AND THE MANIPULATING STREAM IS SNAPED INTO A DESIRED CONFIGURATION HAVING A PLURALITY OF LAYERS GENERALLY ADJACENT TO A MAJOR SURFACE THEROF. UNDER CERTAIN CONDITIONS, IRIDESCENT PRODUCTS ARE OBTAINED WITHOUT THE USE OF PIGMENT. |