Filter bag seal
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 24, 1991
Grant Date -
N/A
app pub date -
Oct 23, 1990
filing date -
Oct 23, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A filter apparatus having a bag filter subassembly for collecting contaminating material. The bag filter subassembly includes a bag filter having a top end portion and an integral collar. The collar has a lower portion fixedly connected to the bag filter, and has a middle portion to be supported within a vessel, and has a top lip portion to engage a cover plate of the vessel. The collar has a pivotal web portion disposed between the middle portion and the top lip portion, and has an inner surface with a groove having sidewalls, whereby internal pressure on the sidewalls pivot the top lip portion causing a sealing ring bearing area on the cover plate.
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