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    • 54. 发明公开
    • LENS SEAL FOR HEADGEAR
    • GESICHTSMASKENDICHTUNGFÜRKOPFSCHUTZ
    • EP2271229A4
    • 2013-04-10
    • EP09727291
    • 2009-03-30
    • 3M INNOVATIVE PROPERTIES CO
    • BRACE THOMAS JKILMER SEAN RSOLYNTJES ALAN JSTAVOS STEVEN W
    • A42B3/22
    • A42B3/225A62B18/082Y10T29/4998
    • An article of headgear that has a head-covering article, a lens moveably attached to the head-covering article, and a seal attached to the lens, the seal comprising a first polymeric material and a second polymeric material, the first polymeric material having a greater tensile modulus than the second material. In an exemplary embodiment, the lens is moveable from a first, lowered position to a second, raised position, and when in the first, lowered position, the seal sealingly engages the head-covering article. In some embodiments, the tensile modulus of the first polymeric material is at least about 5× greater or even about 10× greater than the tensile modulus of the second material.
    • 一种头饰物品,其具有头部覆盖物品,可移动地附接到头部覆盖物品的透镜和附接到镜片的密封件,所述密封件包括第一聚合物材料和第二聚合物材料,所述第一聚合物材料具有 比第二材料拉伸模量更大。 在示例性实施例中,透镜可从第一降低位置移动到第二升高位置,并且当处于第一降低位置时,密封件密封地接合头部覆盖物品。 在一些实施方案中,第一聚合物材料的拉伸模量比第二材料的拉伸模量大至少约5倍或甚至约10倍。