O-Ring and apparatus and method of manufacture
O-ring envelope gasket
O-ring gasket material and method for making and using same
O-Ring gaskets and method of manufacturing same
O-ring groove
O-ring insert
O-ring mounting groove and backup ring
O-Ring port contour sheath and seal
O-ring retainer cap and valve protector
O-Ring seal assembly for borehole pump assembly
O-ring seal in channel with fluid pressure equalization means
O-ring seal of geared-motor
O-ring seal with lubricant additives for rock bit bearings
O-Ring sealing arrangements for ultra-high vacuum systems
Oil control ring for pistons of internal combustion engines
Oil control ring of two piece type for internal combustion engin
Oil control ring spacer-expander with improved slip latch
Oil control ring spacer-expander with improved slip latch
Oil film cooled face seal
Oil leakage preventive method