(57) A container assembly comprises a flexible container (20) which has an opening (22)
in it in fluid communication with the interior of the container, the opening having
a tube (8) extending outwardly from it, with at least one formation (26) on the tube.
A collar (30) can be fitted over the tube, the collar having an outwardly directed
formation, and an inwardly directed formation, for example in the form of a plurality
of flats, which can engage a corresponding formation on the tube to prevent relative
rotation between the tube and the collar. A casing (2) for the container has an opening
(6) in it in which the tube on the container can be received, the opening being configured
so that the outwardly directed formation on the collar can be engaged in the opening
so that relative rotation between the casing and the outlet is prevented.
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