FIELD: mechanical engineering. SUBSTANCE: intermediate metal ring is provided with grooves on opposite face surfaces. Flexible seals are received in the grooves. The seals are made of collars. The ring is also provided with passages for supplying fluid to the collar under pressure, ring space adjacent to its inner cylindrical surface and passages for supplying coolant to the space. EFFECT: enhanced reliability. 1 dwg
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|---|---|---|---|
| ROLL POSITIONING DEVICE | 1992 |
|
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| DRIVE MECHANISM (DESIGN VERSIONS) | 1992 |
|
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| WINDOW AND DOOR SEALING DEVICE | 1988 |
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| WELL HEAD SEALING DEVICE | 2004 |
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|
RU2066803C1 |
| VACUUM FILTER-THICKENER | 1988 |
|
RU1623003C |
