SHEILD DEVICE
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United States of America Patent
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N/A
Issued Date -
Jul 24, 2014
app pub date -
May 7, 2012
filing date -
Sep 6, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A shielding device includes a perforated inner sheet metal layer; an outer sheet metal layer and a hollow space delimited by the perforated inner sheet metal layer and the outer sheet metal layer. A plurality of metallic hollow bodies are provided in the hollow space, wherein the minimum diameter of the hollow bodies is greater than the perforation of the inner sheet metal layer.
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