Abstract: A lined bulk container which is formed from a box blank and a liner blank and wherein the liner blank is folded upon itself to be of double thickness. The liner blank is folded upon itself with two liner portions thereof being adhesively bonded together, after which the folded liner blank is adhesively bonded to the box blank and then the combined blanks are partially folded to form a knocked-down box. The blanks have aligned transverse fold lines facilitating the folding of the blanks to form box body panels. The liner portion which is bonded to the box blank has along the remote fold lines thereof slots which facilitate folding, the length of the slots controlling the square folding of the combined blanks whereby the knocked-down boxes can be manufactured in a continuous flow and without at least the adhesive which bonds the liner blank to the box blank having set.

Abstract: This disclosure relates to a lined bulk container wherein the liner is formed of a single piece of paperboard in sheet form and wherein the paperboard piece is provided with a longitudinal slit-type fold line dividing the same into two halves which are shifted relative to one another longitudinally of the slit-type fold line. The two half portions of the liner are folded relative to one another and are adhesively bonded to each other in face-to-face relation. The two half portions of the liner have aligned transverse fold lines, the fold lines on the half of the liner which forms the inner surface thereof being fold-type score lines and the score lines on the half thereof which forms the outer surface of the liner being of the score and slot type so as to facilitate the folding of the doubled linear.