Filter body having closely adjacent filter material
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 22, 1988
Grant Date -
N/A
app pub date -
May 1, 1986
filing date -
May 1, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A filter device comprising a cannister container of impervious material having therewithin a pleated filter with at least one of the side edges of each of the individual pleats being sealed. Appropriate inlet/outlet structure is provided with the cannister body, as well as an appropriate support base for holding same. In one embodiment, the pleated filter material has both side edges of the individual pleats sealed and large spaced flow passageways between the respective edges are provided by a plurality of seals between the edges. Another embodiment has only one side edge of the individual pleats sealed with the other side edge being open for collectively sealing same by the structure of the cannister body itself. In this embodiment, a larger plurality of fluid flow passageways are provided by multiple sealed portions between the respective side edges of the individual pleats. After the pleated material is formed and sealed, the overall structure is formed in the shape of a torus for appropriate mounting in one of the various cannisters.
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