Apparatus for making filter frames
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United States of America Patent
Stats
-
Mar 15, 1988
Issued Date -
N/A
app pub date -
Jul 21, 1986
filing date -
Aug 31, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for the production of frames for filters from a continuing reel of framestock, each frame having a given length and width determined by a preset cutting and corner notching function and each frame having a prefolded cross section or a pinched cross section, said frames made to accommodate filter material of the type normally used to filter air.
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Cited Art Landscape
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