| 摘要 |
A closing device with indication of the first opening consists of a cylindrical covering cap, which is fastened to a housing of dispenser, which consists of the housing with elements of fixing on a throat of container and a threaded bushing with a pouring tube, means of opening control installed in the opening on the end of cylindrical cap and a ball. The cylindrical cap is fastened to the housing of dispenser by means of an annular elastic lobe monolithically made with the cap, the threaded bushing with pouring tube contains a locking element in the form of a solid of revolution, inside the housing of dispenser an on-off valve is made. The annular lug with thread and sealing boss is made from above the housing of dispenser, between the neck of container and housing of dispenser a conical sleeve is made, which performs function of a seal, the ball is used as a moving element of the on-off valve. |
