An improved system for fitting a container to a distribution device, method for distributting liquid product and said liquid distributor

The present invention is primarily directed to a system for fitting a container, preferably a liquid container, to a distribution device, preferably a liquid distribution device, wherein said system comprises: (i) a distribution device comprising a recess for fitting a container; and (ii) a container comprising a composition, preferably a liquid composition, said container comprising top and bottom ends and a side wall having an external surface, said container being releasably engageable in said recess , wherein: (a) said recess and said container comprise a common longitudinal axis; and (b) said recess comprises a spring-loaded protrusion which engages a corresponding path on said surface of said side wall when said container is fitted in said recess; and (c) said path comprises a stop for said protrusion; and (d) said recess comprises a spring-loaded abutment for said container; and (e) said container can be fitted in said recess in a first, released, position, and a second, locked, position, and a fluid communication between said container and said device can only be established when said container is fitted in said second position, and (f) said container is switcheable between said first and second positions by pushing said container once in a direction along its longitudinal axis.