Reinforced filter tube and method of making the same
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United States of America Patent
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Jun 6, 1989
Grant Date -
N/A
app pub date -
Apr 16, 1986
filing date -
Apr 16, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
There is disclosed a porous, vacuum formed filter tube having randomly oriented glass fibers and having at least one layer of a suitable sheet material wrapped around said porous filter tube and being in intimate contact therewith, said disclosed combination having an outer support structure of a predetermined inside diameter sufficient to compress the assembly of said porous filter tube and said material when it is slipped thereover, thus providing compression from the outside to the inside and forcing the layer of sheet material into intimate contact at virtually all points with said porous filter tube.
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