HEAT SHRINKABLE MULTILAYER FILM AND HEAT SHRINKABLE LABEL

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United States of America Patent

APP PUB NO 20130337278A1
SERIAL NO

13995759

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention provides a heat shrinkable multilayer film excellent in crease-whitening resistance and perforation aptness as well as excellent in low-temperature shrinkability. The present invention also provides a heat shrinkable label formed from the heat shrinkable multilayer film. The heat shrinkable multilayer film of the present invention includes: front and back layers each containing a polyester resin; an interlayer containing a polystyrene copolymer; and adhesive layers each containing 60 to 85% by weight of a polyester resin and 15 to 40% by weight of a polystyrene copolymer. The front and back layers and the interlayer are stacked with the adhesive layers interposed therebetween. The multilayer film has a tensile elongation at break of 30% or higher in the main shrinkage direction.

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Patent Owner(s)

Patent OwnerAddress
GUNZE LIMITED1 ZEZE AONO-CHO AYABE-SHI KYOTO 623-8511

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ishikawa, Kiyoyasu Moriyama-shi, JP 4 33
Maruichi, Naoyuki Moriyama-shi, JP 14 115

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