Abstract: The utility model can be used in food industry and it is designated for storage and/or transportation of containers filled with low-viscosity and normal-density fluids. The technical result of the present device is the improvement of the locking properties of the sealing ring of the stoppered container and the ability to use specific tamper-proof closures that need protection from overtwisting on the first unstopping and that contain both elements of fixation with the sealing ring collar of the stoppered container and a threaded joint. The above-mentioned technical result is achieved by introducing unidirectional hooks on the preform sealing ring or on the ready-made container sealing ring, namely the flanges must be placed on the side face of the sealing ring below the thread. Also, the technical result is partially achieved by the presence of the thread itself.

Abstract: A closure device used in the food industry is equipped with a tamper indicating means. The closure device includes a cap and a tamper indicating means fixed to the cap through loose strength connection, and this tamper indicating means being equipped with a fixing element and a gripper fixed in the cap wall.