APPARATUS FOR HERMETICALLY SEALING ROLLER BEARING FOR CONTINUOUSLY CASTING EQUIPMENT

PROBLEM TO BE SOLVED: To provide an apparatus for hermetically sealing a roller bearing which supports the middle portion of the roll for the continuously casting equipment which can prevent a sealing lifetime from deteriorating in hot environment and can also prevent both leakage of lubricant from...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KISHINAMI TOMOYUKI, KUROKI TAKASHI, OYAMA KUNITOSHI, ODA HIDEKAZU, KAMIYAMA TOMONORI
Format:	Patent
Sprache:	eng
Schlagworte:	BEARINGS BLASTING CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES CYLINDERS ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS PISTONS POWDER METALLURGY ROTARY BODIES OTHER THAN GEARING ELEMENTS SEALINGS SHAFTS THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an apparatus for hermetically sealing a roller bearing which supports the middle portion of the roll for the continuously casting equipment which can prevent a sealing lifetime from deteriorating in hot environment and can also prevent both leakage of lubricant from the inside of the roller bearing and intrusion of foreign objects into the roller bearing. SOLUTION: A second seal which prevents the intrusion of the foreign objects into the roller bearing and a first seal which prevents the leakage of lubricant from the inside of the roller bearing are provided in this order from the end portion with a clearance between the two seals in both end portion in the axial direction of the roller bearing and at the same time, an air supply passage to blows air into the clearance between seals is provided, and the second seal is provided in a separate position apart from the end surface of the roller bearing.