Sheetlike composite, especially for dimensionally stable containers, with an outer thermoplastic sealing layer applied over part of the surface, especially for sealing a longitudinal seam

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United States of America Patent

PATENT NO 11046056
APP PUB NO 20190001624A1
SERIAL NO

15752800

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Abstract

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The invention relates to a sheetlike composite (100) comprising a first composite region (101) and a second composite region (102); wherein the first composite region (101) comprises, as mutually superposed layers from an outer surface (104) of the first composite region (101) to an inner surface (103) of the first composite region (101): a) a thermoplastic layer A (110), b) a carrier layer (108), c) a barrier layer (106), and d) an inner polymer layer (105); wherein the outer surface (104) of the first composite region (101) is a surface of the thermoplastic layer A (110); wherein the second composite region (102) comprises, as mutually superposed layers from an outer surface (104) of the second composite region (102) to an inner surface (103) of the second composite region (102): A) a first thermoplastic layer B (109), B) the carrier layer (108); C) the barrier layer (106); and D) the inner polymer layer (105); wherein the outer surface (104) of the second composite region (102) is a surface of the first thermoplastic layer B (109); wherein the second composite region (102) does not comprise any part of the thermoplastic layer A (110); wherein a layer thickness (111) of the thermoplastic layer A (110) in the first composite region (101) is more than a layer thickness (112) of the first thermoplastic layer B (109) in the second composite region (102). The invention further relates to a process of printing a sheetlike composite; to a container precursor; to closed containers; to a device for printing; and to use of a polyvinyl acetal.

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Patent Owner(s)

Patent OwnerAddress
SIG SERVICES AGLAUFENGASSE 18 NEUHAUSEN AM RHEINFALL 8212

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Schibull, Dirk Baal, DE 10 8
Wolters, Michael Heinsberg, DE 25 99

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