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    • 3. 发明公开
    • Easy-open container having an improved reinforcing and tear strip
    • Leicht zuöffnenderBehältermit verbicultemVerstärkungs-Aufreissband
    • EP0756998A1
    • 1997-02-05
    • EP95305375.8
    • 1995-08-01
    • SONOCO PRODUCTS COMPANY
    • Drummond, Michael T.Suski, William C.Hill, Calvin G.Roberts, Rodney W.Lowman, Richard M., Jr.Lowry, James W.
    • B65D3/26B31C3/00
    • B65D3/267B31C3/00
    • An easy-open container (10) has a spirally-wound bodywall layer (17), interior barrier liner layer (22) and outer label layer (25) forming an easy-open seam (20) extending spirally between the ends (14,16) of the container (10) and which is provided with an improved reinforcing and tear strip (35) extending along the easy open spiral seam (20). This reinforcing and tear strip (35) is formed by overlapped edge portions (25a) of the label layer (25) extending through and out of the spiral seam (20) of the container (10) and being folded-over onto the outside of the bodywall layer (17) and under the label layer (25). Low strength bonding (30) is provided between the overlapped label layer edge portions (25a) and high strength bonding (32) is positioned between the superimposed label layer (25) and folded-over a liner layer edge portion (22a;22b) and between the superimposed label layer (25) and bodywall layer (17) for allowing easy starting and stripping of the reinforcing and tear strip (35) along the spiral easy-open seam (20) without the necessity of removing the entire label layer (25).
    • 容易开放的容器(10)具有螺旋缠绕的主体壁层(17),内部阻挡衬层(22)和外部标签层(25),其形成在端部(14)之间螺旋延伸的容易开放的接缝(20) 所述容器(10)的一部分(16)设置有沿着容易开放的螺旋接缝(20)延伸的改进的加强和撕裂带(35)。 该加强和撕裂条(35)由标签层(25)的重叠的边缘部分(25a)形成,该边缘部分(25)延伸穿过和离开容器(10)的螺旋接缝(20)并被折叠到 本体壁层(17)和标签层(25)下方。 在重叠的标签层边缘部分(25a)之间提供低强度粘结(30),并且高强度粘合(32)位于叠加的标签层(25)之间并折叠在衬里层边缘部分(22a; 22b)上,并且 在叠置的标签层(25)和本体壁层(17)之间,用于允许容易地沿着螺旋形易开缝(20)启动和剥离加强和撕裂带(35),而不需要去除整个标签层(25 )。