Filter screen assembly
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United States of America Patent
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Aug 11, 1992
Issued Date -
N/A
app pub date -
Apr 2, 1990
filing date -
Sep 27, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An assembly comprises a rectangular principal frame (12) of moulded plastics material and subdivided by crosspieces (14, 16) to form sub-areas (18). Each sub-area receives as a releasable snap-fit a plastics moulded insert (20) in the form of a sub-frame carrying one or more tensioned screen meshes (FIG. 1). A peripheral sealing gasket may seal the joint between each sub-area (18) and the insert (20).
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