Filter element
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United States of America Patent
Stats
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Apr 7, 1987
Grant Date -
N/A
app pub date -
Feb 25, 1985
filing date -
Jul 3, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A filter element suitable for use in a filter device such as air cleaner, oil filter or fuel filter for an automobile is disclosed. It includes a pair of end plates and a filter paper which is disposed between the end plates and folded so as to form rectangular-shaped sections, thus folded filter paper forming a hollow cylinder. The cylinder is divided into a plurality of portion areas by virtual planes extending in the radial direction thereof, and the rectangular-shaped sections in each of the portion areas are arranged such that every other sections are maintained in a parallel relation with predetermined spaces therebetween.
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