| 摘要 |
An extruder head assembly (12) for a concrete pipe manufacturing machine used to manufacture a concrete pipe, comprising a drive shaft (24),a flange (50, 54) connected to the drive shaft (24), a troweling cylinder (34) combined to the flange (50, 54) for rotation with the drive shaft and a plurality of tile segments (87) attached to an outer periphery of the troweling cylinder (34) to smooth an inside surface of the concrete pipe. |
