Sealing device and sleeve and holding element for such
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United States of America Patent
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Dec 12, 2006
Grant Date -
Oct 28, 2004
app pub date -
Sep 17, 2002
filing date -
Sep 19, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The sealing device is for drum filters or filter presses to form a seal between the rotary drum end faces and the end faces of the trough in which the rotary drums are situated. A sealing element (3) is disposed in a groove (1) on the rotary drum end face, in which the sealing element (3) is pressed into contact against the opposite part by a hose element (2), preferably in form of two flexible hoses (2a, 2b), which can be pressurized internally. The hoses (2a, 2b) are disposed one on top of the other in the groove (1) beneath the sealing element (3). The two open ends of the hose element (2) are provided with sleeves (7) which enclose the ends. The sleeves (7) are held in place in the groove (1) with a holder element (10). Spaces (19a, 19b) are formed on both sides of the middle piece (12) of the holder element. One space (19a) is provided with an inlet (17) for pressurizing medium and the other space (19b) is provided with an outlet (18) for the pressurizing medium. The sealing device also has a sleeve (7) and a holder element (10).
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