SCREEN DEVICE - VOITH PATENT GMBH

Title:

SCREEN DEVICE

Document Type and Number:

WIPO Patent Application WO/2012/004887

Kind Code:

A1

Abstract:

Provided is a screen device capable of effectively fiberizing an undefibrated piece in a reject according to the defibration state of the undefibrated piece. Specifically disclosed is a screen device provided with: a screen entrance chamber (6) for sorting paper starting materials into an accepted item (B) that is a good-quality fiber and a reject (C) that is foreign matter; a reject chamber (7) to which the reject (C) obtained by the sorting in the screen entrance chamber (6) is sent; and a defibration unit (25) which comprises a defibration stator (25a) and a defibration rotor (25b) both for further fiberizing an undefibrated starting material in the reject (C), the defibration stator (25a) and the defibration rotor (25b) respectively comprising stepped pockets (41c, 51c) facing each other across a gap (59), and which fiberizes the reject (C) sent from the screen entrance chamber (6) to the reject chamber (7) through the pockets (41c, 51c). The defibration stator (25a) and the defibration rotor (25b) are attachably and detachably mounted by fastening members (44, 55).

Inventors:

KOKUBUN KIYOSHI (JP)
KOKUBUN KAZUYA (JP)
TANAKA MASAMORI (JP)

Application Number:

PCT/JP2010/061698

Publication Date:

January 12, 2012

Filing Date:

July 09, 2010

Export Citation:

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Assignee:

VOITH PATENT GMBH (DE)
KOKUBUN KIYOSHI (JP)
KOKUBUN KAZUYA (JP)
TANAKA MASAMORI (JP)

International Classes:

D21D5/02; B03B5/00

Foreign References:

JPH07119062A	1995-05-09
JPH08170289A	1996-07-02
JPS5760475B2	1982-12-20
JP2002285485A	2002-10-03
JP2002285486A	2002-10-03
JP2002285487A	2002-10-03
JP2002285489A	2002-10-03
JPH0365202B2	1991-10-11

Other References: