CAPACITOR UNIT FOR TANKING PRODUCT Russian patent published in 2017 - IPC B65D51/22 

FIELD: packaging industry.

SUBSTANCE: closure comprises: a pouring spout (2) having a neck (5) forming an opening (3) and a covering portion (6) covering one end (8) of the neck (5); A cap (4) which has a side wall (15) cooperating when used with the neck (5) and an end wall (18) facing the covering portion (6); A weakened line (9) provided at the end (8) of the neck (5); The first opening-facilitating means (25) provided on the spout (6); And second opening-assisting means (26), provided on the side wall (15) of the cap (4) and arranged to engage with mentioned first opening-assisting means (25) when the cap (4) is removed from the pour spout (2) for separating mentioned covering portion (6) from the neck (5) along the weakened line (9). After separation, said coating portion (6) is held by second opening-assist means (26) in the enclosing region (38) of the cap (4) delimited by the end wall (18) and the adjacent side wall portion (15), wherein mentioned closure (1) further comprises means (40) for restricting the flow of the product to and/or from the enclosing region of the cap.

EFFECT: increased capacitor's reliability.

17 cl, 15 dwg