Abstract: An antislip material ejector comprises an antislip material container 12 which stores antislip material, an air inlet pipe 13 which is arranged in the antislip material container, a compressed air supply pipe 14 which supplies compressed air to the air inlet pipe, a nozzle portion 16 which is arranged in the air inlet pipe, a mixing pipe 17, which is connected with the air inlet pipe, in which the antislip materials are mixed with air and in which a suction hole 18 is formed through which the antislip material passes, a connecting pipe, one end of which communicates with the mixing pipe and the other end of which communicates with a cavity in the antislip material container, and an ejection pipe 20 which is connected with the mixing pipe and which ejects the antislip material together with the compressed air.