Contact sealing
AssigneeLuossavaara-Kiirunavaara AB
InventorJouni A. Merila
Life of this patent
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Abstract
A contact sealing for adaptive abutment to a rotating sealing surface is provided with an annular groove, in which a pressurized hose is located which abuts a sealing member and presses the same against the sealing surface.
Claims1
A contact sealing for sealing an annular space between two relatively rotating members, particularly for sealing a material flow to a rotary drum from an opening in a stationary wall, one of the members being provided with an annular sealing surface and the other member being provided with an annular bottoming groove facing the sealing surface of said one member, the bottoming groove receiving a closed pressurized flexible and expandable annular hose and an annular sealing member, said sealing member being force-engaged by said hose to seal about said sealing surface, said sealing member being a flexible strip, having two ends respectively being provided with a groove and a tongue, the groove and tongue being interconnected and secured by an axial stud, and the stud in turn being secured to said other member.
Dependencies are inferred from the claim text.