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(11)    Patent No :    AP 2014    (73) Applicant(s)       
(21)    Application No :    AP/P/2005/003460    OUTOKUMPU TECHNOLOGY OYJ, Riihitontuntie 7,       
            Fin-02200, Espoo,       
                   
(22)    Filing Date :    03.06.2004    Finland       
(24)    Date of Grant &    23.07.2009           
                   
(45)    Publication :

(30)    Priority Data            (72) Inventors   
    (33) Country    (31) Number    (32) Date    RULE Richard, South Africa   
    FI    20030847    06.06.2003    (74) Representative   
(84)    Designated State           
                   
    ZM   ZW            HONEY & BLANCKENBERG   
                   
(51)    International    Classification    F16J 3/04 (2006.01)    F16K 1/38 (2006.01)   
            F16K 41/10 (2006.01)       


(54)    Title

Seal for a valve

(57)    Abstract

The invention relates to a seal to be used as a valve stem seal in a valve for controlling flows containing solid material such as slurry flows with an actuator. The seal (4) is positioned outside of the valve body (10) so that the inside of the seal (4) and the valve body (10) form an essentially closed space

(56)    Documents Cited :    WO 93 25804 A    US 5 197 712 A    JP 10 220579 A

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