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    • 64. 发明申请
    • TAMPER INDICATING ADHESIVE DEVICE
    • 阻燃剂表示粘合装置
    • WO00043977A2
    • 2000-07-27
    • PCT/US1999/029753
    • 1999-12-14
    • B65D77/24B32B3/00B32B27/14B65D55/06G09F3/02G09F3/03
    • G09F3/0292G09F3/0341G09F3/10G09F2003/0241G09F2003/0272Y10S428/916Y10T428/24802Y10T428/24893Y10T428/249953
    • A tamper indicating device includes a light transmissive backing an a layer of adhesive. The backing comprises a blown film including a first, continuous phase and a second, discontinuous phase. The backing is normally light transmissive, and becomes opaque upon tampering sufficient to internally delaminate said backing. Preferably, the blown film contains from 60 to 85 parts by weight of the first, continuous phase and from 15 to 40 parts by weight of the second, discontinuous phase. More preferably, the first phase comprises polypropylene and the second phase comprises an ethylene/vinyl acetate copolymer or ethylene/vinyl alcohol copolymer or an ethylene/vinyl acetate/vinyl alcohol terpolymer. The tamper indicating device can include either or both of an initially viewable indicia that becomes obscured upon internal delamination of the backing and a latent indicia that becomes viewable upon internal delamination of the backing.
    • 防拆指示装置包括透光背衬和一层粘合剂。 背衬包括包括第一连续相和第二不连续相的吹塑薄膜。 背衬通常是透光的,并且在篡改时变得不透明,足以在内部分层所述背衬。 优选地,吹塑薄膜包含60至85重量份的第一连续相和15至40重量份的第二不连续相。 更优选地,第一相包含聚丙烯,第二相包含乙烯/乙酸乙烯酯共聚物或乙烯/乙烯醇共聚物或乙烯/乙酸乙烯酯/乙烯醇三元共聚物。 篡改指示装置可以包括在背衬的内部分层时变得模糊的初始可见的标记中的一个或两个,以及在背衬的内部分层时变得可见的潜在标记。
    • 70. 发明申请
    • SHELF LIFE INDICATOR
    • 生命指示器
    • WO99030148A1
    • 1999-06-17
    • PCT/GB1998/003455
    • 1998-11-17
    • G01N31/22B65D81/26
    • G01N31/225B65D2203/00Y10T428/24802Y10T428/24893Y10T428/24901Y10T428/31725
    • A shelf life indicating structure comprises a substrate (3) printed with an oxygen sensitive ink (4) in combination with an oxygen scavenging layer (5). The oxygen scavenging layer (5) prevents oxygen reaching the substrate (3) for a predetermined interval. Once the finite oxygen scavenging capability of the layer (5) is exhausted, oxygen reaches the substrate (3), activating a visible indication such as a colour change, in the ink (4). The substrate (3) end layer (5) may be formed into a patch or label for a package, and covered with an oxygen impermeable layer (6), such as a strip of aluminium foil which can be peeled off to initiate a shelf life indication structure.
    • 保质期指示结构包括印刷有与氧清除层(5)组合的氧敏感油墨(4)的基材(3)。 除氧层(5)防止氧气以预定间隔到达基板(3)。 一旦层(5)的有限氧气清除能力被耗尽,氧气到达基板(3),激活油墨(4)中的可见指示,例如颜色变化。 衬底(3)端层(5)可以形成为封装的贴片或标签,并且覆盖有不透氧层(6),例如铝箔条,其可剥离以产生保质期 指征结构。