CPC B65D 65/40 (2013.01) [B32B 7/05 (2019.01); B32B 7/10 (2013.01); B32B 37/10 (2013.01); B32B 38/06 (2013.01); B65D 27/00 (2013.01); B32B 2250/02 (2013.01); B32B 2250/24 (2013.01); B32B 2307/4026 (2013.01); B32B 2439/46 (2013.01); B65D 33/28 (2013.01); B65D 2203/00 (2013.01)] | 17 Claims |
1. A multi-film thermoplastic structure comprising:
a first thermoplastic film having a first appearance;
a second thermoplastic film having a second appearance created by a pigment, the first appearance differing from the second appearance;
one or more separated portions where the first thermoplastic film and the second thermoplastic film are not in intimate contact; and
one or more contact areas arranged into text, wherein the one or more contact areas arranged into text comprise:
portions of the multi-film thermoplastic structure where the first thermoplastic film and the second thermoplastic film are in intimate contact; and
a contrast relative to separated portions surrounding the one or more contact areas, which when viewed in the first thermoplastic film makes the text legible, wherein the contrast is due to a difference in Delta E of 5 to 15 points between the one or more contact areas arranged into text and the separated portions surrounding the one or more contact areas.
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