The plant of the present invention relates to an operating unit able to perform a rapid packing, that is a safe, simple and transportable pack 1 obtained by means of three straps : one strap applied on the lower half of the body of the bottles 1, the second one applied at the neck of the bottles 1, both arranged on planes perpendicular to the vertical axes of the bottles 1, the third one, on the contrary, applied loose and perpendicular to the other two straps, lies on a vertical plane passing by the center of gravity of the pack, that is arranged on a plane comprised between two adjacent rows of bottles 1 in contact with each other for example in the plane that separates the two rows of three bottles 1 of the standard pack made of six bottles 1.
