PRESS ROLL

摘要

A press roll (2) cooperable with a counter roll (1) to form a press with a long nip for paper or board machines is described, said press roll comprising two end walls (4, 5); a flexible jacket (3) secured to the end walls; support members (12, 13) for the end walls, said end walls comprising bearing means (35) for permitting rotation of the jacket and the end walls in relation to the support members; and a press shoe (15) forming together with the counter roll (1) a pressing zone. According to the invention each attachment means comprises a circular clamping member (32), which includes a wedge body (28), and a circular groove (24) disposed on the inside of the end wall to receive the edge portions (8, 9) of the jacket and the wedge body (28), the groove (24) and wedge body (28) being provided with cooperating wedge forming surfaces (25, 33; 26, 34). Further, the clamping member (32) includes bolts (29) for pulling the wedge body (28) into the groove (24) and retaining it therein in order to clamp the edge portions of the jacket by means of wedge action, against the end wall.