FIELD: mechanical engineering.
SUBSTANCE: sealing ring is made of a flexible material and is split. The surfaces of the split are connected at an acute angle inside the body of the ring. The face surfaces of the sealing ring are inclined at an angle to the axis, and the outer and inner surfaces of the sealing ring are cylindrical. The cross-section of the split of the sealing ring is toothed from the side of the faces.
EFFECT: enhanced reliability.
6 dwg
Title | Year | Author | Number |
---|---|---|---|
DEVICE OF WELLHEAD EQUIPMENT | 1996 |
|
RU2171357C2 |
GLAND | 2005 |
|
RU2293895C1 |
CASING-HEAD STUFFING BOX | 2001 |
|
RU2205307C2 |
ARRANGEMENT OF WELL-HEAD EQUIPMENT | 1996 |
|
RU2176722C2 |
"SIBIR" WELLHEAD UNIVERSAL EQUIPMENT | 1997 |
|
RU2178509C2 |
HOLE-MOUTH COMPENSATOR | 2006 |
|
RU2334145C1 |
CASING HEAD STUFFING BOX | 2005 |
|
RU2295083C2 |
FLANGED COUPLING FOR EQUIPMENT | 2003 |
|
RU2269642C2 |
WELLHEAD SEALING DEVICE | 1997 |
|
RU2183777C2 |
PROTECTOR | 2009 |
|
RU2402671C1 |
Authors
Dates
2007-03-27—Published
2005-04-07—Filed