Pressure shaft seal method and apparatus

Details Pressure shaft seal method and apparatus Pressure shaft seal method and apparatus

B - Operations, Transporting

23

P

18/108

B23P 15/00 (2006.01) F16J 15/32 (2006.01)

Patent

CA 1094268

PRESSURE SHAFT SEAL METHOD AND APPARATUS ABSTRACT OF THE DISCLOSURE A pressure shaft seal and method for improving pressure seal performance wherein an offset is provided on the axially outer surface of the radial flange of the metal case adjacent the pierce to disturb the flow of rubber during molding to prevent the flowing rubber from wiping the bonding cement off of the pierce, and also wherein the pierce or end- wall of the radial flange is formed as a radius or taper facing axially inwardly, instead of as a cylindrical surface parallel to the seal axis, to reduce the shear pressure on the bond at the pierce and also to eliminate a sharp corner and any tendency of the rubber to tear.

261334

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