Filter unit and apparatus for desludging salt baths
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United States of America Patent
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Jun 18, 1996
Grant Date -
N/A
app pub date -
Nov 21, 1994
filing date -
Jan 13, 1994
priority date (Note) -
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status (Latency Note)
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Abstract
In a filter unit (25) and apparatus for desludging salt baths (1), which is flooded at least partially by the salt bath and is in working association with the upper end of a riser tube (23), the bath fluid to be desludged being driven, by means of a compressed air stream, for example, through the riser tube (23) toward the filter unit (9, 25), the filter cloth packet is made of woven wire of a nonferrous metal, preferably an alloy based on aluminum, nickel or titanium, and is surrounded by a filter frame (14), the frame (14) being shaped into a shallow, pyramidal frustum-shaped funnel (18) pointing toward the bottom of the vat, its apical bottom end being provided with a closable opening (19).
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