PROTECTIVE COVER FOR CONTAINERS Russian patent published in 2018 - IPC B65D55/02 B65D41/04 

FIELD: package and storage.

SUBSTANCE: invention is the protective cap for containers comprising the outer cap (2) provided with connecting means for its connection to the container neck (C), inner member (3) located within the outer cap (2) and configured to be detachable connected to the container opening (A), connecting means (4, 5), located between the outer cap (2) and the inner member (3), and configured to maintain the unconnected state of the outer cap (2) and the inner member (3) when moving the cap (2) for opening or removal between the closed position and the intermediate position and with the tightly coupled state provision of the outer cap (2) and the inner member (3) when the outer cap (2) moving for opening or removal between the intermediate position and the open position, and signaling means (S), configured to ensure the predetermined configuration taking in the intermediate position. Outer cap upper part is transparent and is formed by the polarized or unpolarized lens or group of lenses, at that, the outer cap upper part comprises the set of prismatic lenses located parallel to the main direction (A1), and the signal means (S) comprises the first signal element located on the inner member upper part and made in the form of parallel to the second direction (A2) rectilinear fragments.

EFFECT: invention allows to see the individual preset signals (for example, “Open” or “Closed”) without its turning, simply by changing the viewing angle.

13 cl, 22 dwg