| 摘要 |
PROBLEM TO BE SOLVED: To provide a nozzle for spraying mortar, the tip part of which is hardly clogged when the mortar is sprayed, and a covering member.SOLUTION: A nozzle for spraying mortar according to the present invention discharges the mortar. The tip of the nozzle is provided with a rubber nozzle part (tip part) that has a shape in which an inside diameter of the nozzle part becomes gradually smaller toward a mortar discharge opening. The nozzle has a metal covering member 20 for covering the nozzle part. The covering member 20 comprises a plurality of urging members 22 for urging the nozzle part inward.SELECTED DRAWING: Figure 2 |
