Filter bag for a machine screen
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United States of America Patent
Stats
-
Jan 28, 1992
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 bag (1) for a disc-like filter, comprising filter surfaces (2) to be positioned on both sides of a filter element. The filter element is inserted into the filter bag, and the filter bag is heated so that the heated portion shrinks, thus tightening the filter bag around the filter element. The filter bag (1) is so shaped that the filter parts (2) to be positioned on both sides of the filter element are substantially of the same shape and size as the required filter surfaces. An edge part (3) of a material substantially impermeable to liquid and shrinkable at elevated temperature is attached to the edges of the filter parts.
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