加飾性に優れたプラスチック容器

Japanese Patent JP5382162

B2

A plastic container forming a gradation layer inclusive of a portion of which the thickness gradually varies on the outer surface of a container body made from an olefin resin and forming a transparent polyester resin layer on the outermost surface, yet effectively preventing the gradation layer from peeling and featuring excellent decorative appearance enabling the gradating decoration to be exhibited maintaining precision and stability free of dispersion. The plastic container comprises a container body 1 made from a colored olefin resin and a decorative layer 3 laminated on the outer surface of the container body 1. The decorative layer 3 includes a transparent adhesive resin layer 3b, a transparent polyester resin layer 3a which is the outer surface layer, and a gradation layer 3c formed between the transparent adhesive resin layer 3b and the transparent polyester resin layer 3a and including a portion of which the thickness gradually varies in the direction of height of the container. The gradation layer 3c is formed of a resin composition of a transparent polyester resin blended with a coloring agent. The thickness of the container body 1 in the body portion of the container 10 varies in response to a change in the thickness of the gradation layer 3c in a manner that the thickness of the container body portion which is the total thickness of the thickness of the container body 1 and the thickness of the decorative layer 3 is not varied by the presence of the gradation layer 3c.

Yuichiro Kato
Kenjiro Tanaka
Masasuke Tanaka

JP2012088889A

January 08, 2014

April 10, 2012

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Toyo Seikan Co., Ltd.

B65D1/00; B65D25/20; B65D65/40; B29C48/09; B29C48/13; B29C48/21

JP2005342900A
JP2011213373A
JP2012035915A

WO2004022307A1
WO2006011565A1

Naozumi Ono
Sachiko Okunuki
Sayaka Masuda

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