| 摘要 |
The bellow (1) has a stiffening member provided on an inner side of a shaft (10), where the stiffening member is extended over a part of a circumference of the bellow. The stiffening member of the shaft is arranged in a transition area by a stamper (5) of a head (6). Two tabs are provided on the inner side of the shaft, where the two tabs are detected by a cross-sectional U-shaped profile. The tabs are provided with a strengthening support that is coated with a plastic material. The tabs are attached to sides of an apex line of the shaft. |
