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    • 12. 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 )。
    • 13. 发明公开
    • Easy-open container having directionally-oriented label tear
    • Leicht zuöffnenderBehältermit richtungs-orientiertem Etikett-Abriss
    • EP0756997A1
    • 1997-02-05
    • EP95305374.1
    • 1995-08-01
    • SONOCO PRODUCTS COMPANY
    • Drummond, Michael T.Hill, Calvin G.Lowman, Richard M., Jr.Suski, William C.Roberts, Rodney W.Lowry, James W.
    • B65D3/26B31C3/00
    • B31C3/00B65D3/26
    • An easy-open container (10) has a spirally-wound paperboard 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). A feature is provided for directionally-orienting tearing of the label layer (25) to remove either the entire label layer (25) or just that portion (25a) of the label layer (25) which is in bridging relationship to the easy-open spiral seam (20) to allow opening of the container (10) along the spiral seam (20). The directionally-orienting tear feature is preferably provided by a reinforcing and tear strip (28) having directionally-orienting tear incorporated therein and which is positioned under the outer longitudinal edge portion (25a) of the label layer (25) and over the easy-open spiral seam (20) along with desired positioning of low strength and high strength bonding between the label layer (25), reinforcing and tear strip (28) and bodywall layer (17) to ensure tearing of the label layer (25) in the proper direction and removal of a desired portion (25a) of the label layer (25) when the container (10) is opened. The directionally-oriented tear feature may also include a directionally-orienting tear (30) incorporated in the label layer (25) itself to orient tear in the desired direction.
    • 容易开放的容器(10)具有螺旋缠绕的纸板本体壁层(17),内部阻挡衬层(22)和外标签层(25),其形成在端部(14)之间螺旋延伸的易开封缝 ,16)。 提供了用于标签层(25)的定向撕裂的特征,以去除标签层(25)的整个标签层(25)或者与该容易打开的桥接关系的标签层(25)的部分(25a) 螺旋接缝(20)以允许容器(10)沿着螺旋接缝(20)打开。 方向取向的撕裂特征优选由加强和撕裂带(28)提供,该加强和撕裂带(28)具有并入其中的定向撕裂,并且位于标签层(25)的外部纵向边缘部分(25a)的下方, 打开螺旋缝(20),同时在标签层(25),加强和撕裂条(28)和阀体壁(17)之间的低强度和高强度粘合的期望定位,以确保标签层(25)在 当容器(10)打开时,适当的方向和去除标签层(25)的期望部分(25a)。 定向取向的撕裂特征还可以包括结合在标签层(25)本身中的定向取向的撕裂(30),以在期望的方向上定向撕裂。