Spherical seal element

Details Spherical seal element Spherical seal element

F - Mech Eng,Light,Heat,Weapons

16

J

277/38

F16J 15/32 (2006.01)

Patent

CA 1139797

ABSTRACT. SPHERICAL SEAL ELEMENT. The present invention relates to a seal which is capable of sealing against and rotatably supporting a spherical formation. The seal 10 has at least one annular lip portion 12 which has at least one sealing surface 18, 19 which is spherically contoured to sealingly engage the spherical formation 40. The lip portion is resilient in an axial direction but rigid enough to resist compressive deformation. The seal is particularly useful for sealingly supporting a hopper stirring member which extends through a wall of the hopper.

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