Non-continuously laminated structures of thermoplastic films with differing material compositions and functional material properties
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United States of America Patent
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May 21, 2019
Grant Date -
Aug 30, 2018
app pub date -
Apr 30, 2018
filing date -
Nov 16, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A non-continuously laminated structure of thermoplastic films comprises thermoplastic films with differing material compositions and differing functional benefits. In particular, one or more embodiments comprise thermoplastic films that are co-extruded separately and then combined together by a post-extrusion bonding process. The differing composition of the various films of the non-continuously laminated structure of thermoplastic films and the post-extrusion bonding process, provide the structures with the functional benefits of the individual films.
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International Classification(s)
- B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....
- B31F:MECHANICAL WORKING OR DEFORMATION OF PAPER OR CARD....
- B31B:MAKING BOXES, CARTONS, ENVELOPES, OR BAGS
- B29K:INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, ....
- B65D:CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR....
- B30B:PRESSES IN GENERAL; PRESSES NOT OTHERWISE PROVIDED....
- B29L:INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RE....
- B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....
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