Counter-pressure devices acting on rolls to inhibit deflection of same under load

Official title: Counter-pressure devices acting on rolls to inhibit deflection of same under load, e.g. backing rolls {; Roll bending devices, e.g. hydraulic actuators acting on roll shaft ends (control devices responsive to roll bending B21B37/38)}

B21B29/00 (Counter-pressure devices acting on rolls to inhibit deflection of same under load) appears on 105 US grants and 68 published applications in this corpus.