Lens seal for headgear
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United States of America Patent
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Dec 26, 2017
Issued Date -
N/A
app pub date -
Mar 30, 2009
filing date -
Apr 4, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
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.
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