Separable bag-in-box composite container

The bag-in-box composite container comprising:

• (a) a rigid one-piece outer box having a continuous side wall, a top end panel and a bottom end panel, said top end panel and said bottom end panel being joined to said side wall so as to define a hollow box cavity, said top end panel having a first aperture and at least two additional apertures therein;
• (b) an inner plastic bag being located within said hollow box cavity of said outer box, said inner plastic bag having a pouring spout, said pouring spout having an outer surface and an annular flange, said outer surface of said pouring spout having screw threads projecting therefrom, said pouring spout extending through said first aperture in said top end panel of said outer box, said annular flange of said pouring spout including at least two heat stakes for preventing relative rotation between said pouring spout and said outer box and permitting easy separation of said inner bag from said outer box, said heat stakes extending through said two additional apertures in said top end panel of said outer box and being adapted to temporarily secure said inner bag to said outer box;
• (c) easy opening means being located within said side wall of said outer box for permitting removal of said inner bag from said outer box;
• and
• (d) a screw cap releasably attached to the screw threads on the outer surface of said pouring spout.