Supporting member for paper-making screen in paper machines

A supporting member of the papermaking screen in paper machines is disclosed, which is made with a sintered body consisting essentially of silicon nitride, having a porosity of less than about 0.8% whereby the abrasion loss rate of the papermaking screen is able to be remarkably reduced as compared...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KAKIMURA, MICHIO, KAWAE, YASUNOBU
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A supporting member of the papermaking screen in paper machines is disclosed, which is made with a sintered body consisting essentially of silicon nitride, having a porosity of less than about 0.8% whereby the abrasion loss rate of the papermaking screen is able to be remarkably reduced as compared with the conventional supporting members made of alumina ceramic, as a result of which the useful life of the papermaking screen can be lengthened greatly.