Machine for treating paper webs, especially satining or glazing calender

Claim 1

IN A MACHINE FOR FINISHING PAPER WEBS, ESPECIALLY FOR IMPARTING A SATIN FINISH TO AT LEAST ONE FACE OF A WEB PASSING THROUGH THE MACHINE; ROLLER STAND MEANS IN THE FORM OF SPACED FRAME MEMBERS, A ROW OF CALENDERING ROLLER MEANS ARRANGED IN SUBSTANTIALLY COPLANAR RELATION IN THE ROLLER STAND MEANS AT ONE SIDE OF THE FRAME MEMBERS, PAPER WEB SUPPLY MEANS AND PAPER WEB TAKE-UP MEANS ARRANGED AT THE OTHER SIDE OF THE FRAME MEMBERS, AND A BRUSHING UNIT IN THE ROLLER STAND MEANS BETWEEN THE SAID SIDES OF THE FRAME MEMBERS AND BETWEEN THE ENDS OF SAID ROW OF CALENDERING ROLLER MEANS SO AS TO HAVE SUBSTANTIALLY A CENTRAL LOCATION IN SAID ROLLER STAND MEANS, SAID BRUSHING UNIT COMPRISING A PAIR OF MAIN ROLLERS IN ADJACENT PARALLEL RELATION, MEANS FOR DRIVING SAID MAIN ROLLERS IN RESPECTIVELY OPPOSITE DIRECTIONS, DEVIATING ROLLER MEANS IN THE ROLLER STAND MEANS INCLUDING DEVIATING ROLLER MEANS FOR GUIDING A PAPER WEB THEREIN TO AND FROM SAID MAIN ROLLERS SO THE PAPER WEB CAN PASS AROUND A SUBSTANTIAL PORTION OF THE PERIPHERY OF AT LEAST ONE OF SAID MAIN ROLLERS WHILE EXPOSING AT LEAST ONE FACE OF THE WEB FOR TREATMENT, A PLURALITY OF BRUSHING ROLLERS ADJACENT EACH MAIN ROLLER AND DISTRIBUTED CIRCUMFERENTIALLY THEREOF ABOUT THE SAID PORTION OF THE PERIPHERY OF THE PERTAINING MAIN ROLLER FOR BRUSHING THE FACE OF THE PAPER WEB EXPOSED ON THE PERTAINING MAIN ROLLER, AND HOOD MEANS PARTIALLY ENCLOSING SAID MAIN ROLLERS AND BRUSHING ROLLERS FOR CONVEYING AIR THEREOVER TO REMOVE DUST GENERATED DURING THE BRUSHING OPERATION, SAID FRAME MEMBERS HAVING APERTURE MEANS AT THE ENDS OF SAID BRUSHING UNIT EXPOSING THE ENDS OF AT LEAST SAID BRUSHING ROLLERS TO FACILITATE SERVICING THEREOF, SAID APERTURE MEANS ALSO SERVICING AS AIR INLET AND AIR OUTLET MEANS FOR SAID HOOD MEANS,AND AIR IMPELLING MEANS CONNECTED TO THE APERTURE MEANS OF AT LEAST ONE OF SAID FRAME MEMBERS FOR MOVING AIR THROUGH SAID HOOD MEANS.