FILTER AND METHOD
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United States of America Patent
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Issued Date -
Sep 19, 2024
app pub date -
Nov 27, 2023
filing date -
Mar 14, 2023
priority date (Note) -
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Abstract
An example filter comprises a pleated filter element and a preformed filter mounting element for direct mounting of the filter to a face piece or respirator. The filter further comprises an air impermeable seal extending around a periphery of the filter, the air impermeable seal including and bonded by melted plastic material of the pleated filter element and melted plastic material of the preformed filter mounting element.
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