DESIGNED FOR FILLING LIQUID BOTTLE WITH THIN COVER, SUPPLIED WITH FLEXIBLE AMBIENT ELEMENT Russian patent published in 2017 - IPC B65D1/02 

FIELD: packaging industry.

SUBSTANCE: plastic bottle (1) is filled with liquid and is provided with a rigid neck (4) which restricts the narrow opening (5) with the inner diameter (D5), typically smaller 40 mm. A flexible plate cover (C) is provided, having a lower closure member and an upper reinforcing element and intended to clog this hole. The reinforcing section (10) of the reinforcing element (C2) is directly attached to the central portion (6) of the closure member in contact with the annular upper surface (F) of the neck and reinforces this central portion. The reinforcing section limits the first surface (S1), suitable for displaying the information represented on the labels. The outer rim (8) of the reinforcing element continues along or near the rim (4d) of the surface (F). A part of the closure element (C1) forming an additional tongue (9) and/or an expansion portion that is part of the reinforcing element (C2) can be provided.

EFFECT: improving the reliability of the package.

18 cl, 11 dwg