Patent ID: 6247345
Filing Date: 2001-06-19
Classification: B21B

Abstract:
A bending block, for a four-high rolling stand comprising working rolls (11a, 11b ) and back-up rolls (12a, 12b), chocks (14a, 14b; 15a, 15b) respectively associated with the working rolls (11a, 11b) and backup rolls (12a, 12b), the working rolls (11a, 11b) being able to be translated axially, and a stationary housing (16), comprising,crossing means (17), associated with the stationary housing, for crossing the rolls,the crossing means (17) cooperating with the outer lateral faces of the chocks (14a, 14b) at least of the working rolls (11a, 11b) by means of intermediate plates to distribute the thrust,bending jacks, comprising relative pressure elements, to bend at least the working rolls (11a, 11b),wherein the intermediate plates, to distribute the thrust, consist of gibs (18) shaped like a vertical plate (19) with at least two fins (20, 21) orthogonal to the vertical plate (19), the two fins (20, 21) being arranged on one side and another side astride a fin extension (114) of the chock (14) of the relative working roll (11), the two fins (20, 21) defining the respective positioning seating (23) for the bending jacks (24a, 24b), anda containing and guiding plate (25) located between the crossing means (17) and the relative gib (18).