Method and apparatus for reinforcing a tubular-shaped sealing collar extending from a filter apparatus
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United States of America Patent
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Apr 23, 2013
Grant Date -
Nov 22, 2012
app pub date -
Aug 6, 2012
filing date -
Jan 19, 2006
priority date (Note) -
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Abstract
A method and apparatus for reinforcing a tubular-shaped sealing collar, extending from a filter cartridge are provided, by embedding, or substantially encapsulating, a reinforcement element within the tubular-shaped sealing collar, for resisting a change in circumference of at least a portion of the tubular-shaped collar. The collar may be formed from a resiliently compressible foam material, and the reinforcement element may be formed from a substantially non-compressible material.
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