DEFIBRATING DEVICE AND SHEET MANUFACTURING APPARATUS

A defibrating device and sheet manufacturing apparatus attract and remove metal fragments when metal fragments are mixed with fibrous material. A defibrating device has a main unit with a defibration section configured to defibrate fibrous material, and a swirl section configured to produce a rotati...

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Bibliographic Details
Main Author ABE, Nobumasa
Format Patent
LanguageEnglish
French
German
Published 03.04.2019
Subjects
FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
PAPER-MAKING
PRODUCTION OF CELLULOSE
TEXTILES
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Summary:A defibrating device and sheet manufacturing apparatus attract and remove metal fragments when metal fragments are mixed with fibrous material. A defibrating device has a main unit with a defibration section configured to defibrate fibrous material, and a swirl section configured to produce a rotational current, and by the rotational current cause the fibrous material to rotate and flow into the defibration section. The main unit has a magnet unit that is disposed to the swirl section, and has a magnet that attracts by magnetic force metal fragments conveyed with the fibrous material to the swirl section.
Bibliography:Application Number: EP20180197128