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    • 7. 发明申请
    • Deep drawing packaging container, deep drawing packaged product and method of manufacturing the same
    • 深拉包装容器,深冲包装产品及其制造方法
    • US20100003433A1
    • 2010-01-07
    • US12311311
    • 2007-09-28
    • Hitoshi IshiiSeiichi Ibe
    • Hitoshi IshiiSeiichi Ibe
    • B65B53/00B29C51/08
    • B65D75/305B29C51/002B29C51/02B29C51/105B29C51/14B29K2077/00B29K2105/02B29K2995/0049B65B9/04B65B53/02Y10T428/1324Y10T428/1328Y10T428/1334Y10T428/1352Y10T428/1393
    • A deep drawing packaging container comprising: a top film made of a first heat shrinkable multilayer film; and a bottom film made of a second heat shrinkable multilayer film, the deep drawing packaging container being formed by deep drawing, so that a drawing ratio (D1) of the top film and a drawing ratio (D2) of the bottom film satisfy conditions: D1=1.1 to 4.0; D2=1.5 to 5.0; and (D2/D1)=1.05 to 4.55, wherein a hot-water shrinkability (SM1) in a longitudinal direction and a hot-water shrinkability (ST1) in a transverse direction of the first heat shrinkable multilayer film and a hot-water shrinkability (SM2) in a longitudinal direction and a hot-water shrinkability (ST2) in a transverse direction of the second heat shrinkable multilayer film satisfy conditions: SM1=5 to 40%; ST1=5 to 40%; SM2=2 to 25%; ST2=2 to 25%; (SM1/SM2)=1.2 to 12; and (ST1/ST2)=1.2 to 12 (where the hot-water shrinkability is a shrinkability (%) after immersing the heat shrinkable multilayer film before drawing in hot water of 90° C. for 10 seconds).
    • 一种深冲包装容器,包括:由第一热收缩多层膜制成的顶膜; 以及由第二热收缩多层膜制成的底部薄膜,深拉伸包装容器通过深冲压形成,使得顶部薄膜的拉伸比(D1)和底部薄膜的拉伸比(D2)满足条件: D1 = 1.1〜4.0; D2 = 1.5〜5.0; 和(D2 / D1)= 1.05〜4.55,其中,第一热收缩性多层膜的纵向的热水收缩性(SM1)和横向的热水收缩性(ST1)和热水收缩性 (SM2)和第二热收缩性多层膜的横向的热水收缩性(ST2)满足条件:SM1 = 5〜40%; ST1 = 5〜40%; SM2 = 2〜25%; ST2 = 2〜25%; (SM1 / SM2)= 1.2〜12; (ST1 / ST2)= 1.2〜12(热收缩性为将热收缩性多层膜浸渍在90℃的热水中10秒后的收缩率(%))。