Screen device
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United States of America Patent
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N/A
Issued Date -
Feb 16, 2006
app pub date -
Jul 5, 2005
filing date -
Aug 9, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A screen device includes a screen for receiving papermaking raw materials and a stirring member facing an outer surface or inner surface of the screen and rotating to wash a mesh of the screen, so that foreign materials are removed from the papermaking raw materials. The screen includes slits elongated in a longitudinal direction formed by elongated members. The slit is defined by a first screen surface and a second screen surface facing each other. Recess portions are formed at least in the first screen portion surfaces, and each disposed at a position closer to a narrowest facing portion between the first and second screen surfaces relative to an outlet of the first and second screen surfaces through which the papermaking raw materials flow out.
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