Gas separation – Specific media material – Ceramic or sintered
Reexamination Certificate
2005-01-18
2005-01-18
Smith, Duane (Department: 1724)
Gas separation
Specific media material
Ceramic or sintered
C055S492000, C055S508000, C055SDIG005, C264S603000, C264S628000, C264S671000, C264S125000, C264SDIG004, C419S008000, C419S010000, C419S024000, C419S042000, C419S068000
Reexamination Certificate
active
06843821
ABSTRACT:
The aim of the invention is to provide filtering candles (1) comprising a sintered filtering tube (2) and a collar (3) which is connected thereto, and having an increased shelf life and improved resistance values. To this end, the collar (3) comprises an annular collar wall (4) which oriented towards the filtering tube (2) from the neck. Said wall comprises at least one recess (8) which is arranged in a perpendicular manner and at an angle in relation to a plane which is perpendicular to the axis of the filtering tube.
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GKN Sinter Metals GmbH
Greene Jason M.
Smith Duane
Woodcock & Washburn LLP
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