| 摘要 |
FIELD: producing pneumatic or solid tires. ^ SUBSTANCE: drum comprises movable housings mounted on the driving shaft, sealing members mounted on each housing, clamping sectors, and free arms of the sectors, and actuators. The other arms of rotating sectors are pivotally connected with the holder secured to the unmovable shell. One end of the ring shell is set in the face groove of the housing, and the other end of the ring shell is connected with the housing through a shaped key. The face groove underlies the clamping sectors. The shaped key is set in the grooves on the holder of sectors, ring shell, and housing. ^ EFFECT: simplified structure and expanded functional capabilities. ^ 3cl, 5 dwg |
