Retainer apparatus
Retention of abrasive sheet material on an abrading tool
Retractable blast wheel carrier
Reversible unidirectional abrasive flow machining
Reversing weight assembly for a vibratory bowl finishing machine
Reversing weight for vibrating finishing machines
Revolving grinding tool
Ricochet metal strip cleaner
Rigid disk finishing apparatus
Ring grinding tool
Ring manufacture, productive of face contact seal
Robot positioner and seal arrangement for a closed chamber
Rocker barrel configuration
Rods precision cutting-off and end surface grinding machine
Roll grinding system
Roll profile gauge
Roll-camber grinding apparatus
Rollable knife sharpener
Roller cam microfinishing tooling
Rolling drive for a gear-grinding machine