B - Operations – Transporting – 30 – B
Patent
B - Operations, Transporting
30
B
100/26
B30B 1/00 (2006.01) B05C 9/10 (2006.01) B21B 39/00 (2006.01) B30B 3/04 (2006.01) B21B 1/38 (2006.01) B21B 45/00 (2006.01)
Patent
CA 1329049
ABSTRACT A differential pressure actuator includes two fluid containing bags mounted on opposite sides of a support bar, and one of the bags is coupled to a load by means of a plate at the side of the bag opposite the bar. In one embodiment the other bag is also coupled to the load by means of a second plate mounted at the opposite end of the other bag, and the second plate is mechanically connected to the first plate by rods. Both of the bags contained a pressurized fluid in excess of atmospheric pres- sure, and the difference in the forces generated by the two bags is impressed upon the load. The load is a movable roller in a ringer for coating steel, and the movable roller is provided with separate actuators at opposite ends of the roller. In another embodiment, the other bag is coupled to the load by means of a rod extending along the central axis of the bags and the bags are provided with a bellows or sleeve sealing means surrounding the rod.
569876
Ridout & Maybee Llp
Schofield Robert C.
LandOfFree
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