PURPOSE: To convey the concrete thrown into a hopper in a conveyor pipe as keeping its quality and property without giving any pressure by using disks provided on a link chain driven by a drive device and moved in the conveyor pipe.

CONSTITUTION: The concrete supplied into a hopper 5 from a concrete mixer vehicle 15 is continuously sent into a conveyor pipe 1 by a plurality of disks 7 provided on a link chain 8 driven by a drive device at fixed intervals with packings 13 equipped without receiving any pressure. The concrete drawn up in the conveyor pipe 1 is discharged at the top end of the conveyor pipe 1 from a shoot 6. This construction permits to convey conveyed material to a height as keeping its quality and property. When the conveyor pipe 1, disks 7, and the link chain 8 are added or removed, the height of the conveyance can be easily changed.