Abstract: A package assembly for providing ultra-clean storage and gravity discharge of contaminable powder or granular materials which comprises an outer container, a sterile vapor impermeable bag within said container, said bag having a bag body an inlet and an outlet, said inlet and outlet being closed when said bag accommodates said material to prevent contamination of said material, said outlet defining an opening, a flexible vapor impermeable tubular inner sheet extending from said opening and having a discharge end, a vapor impermeable tubular outer sheet enveloping said inner sheet terminating in a closed end, said inner sheet being secured by releasable securing means proximate said opening to prevent discharge of materials from said opening whereby when said inner sheet is positioned in a receiving means and said terminal end of said outer sheet is open and positioned around said receiving means and secured thereto, release of said securing means permits discharge of said material into said receiving means wi

Abstract: A storing and shipping box for bulk solid material is disclosed comprising: a removable top and a base member; said box formed of heavy corrugated material, having eight rectangular, vertical, integral face sections positioned around the outer periphery thereof and a plurality of downwardly-depending integral flaps inwardly folded within said outer periphery to form a portion of the base of said box and providing, when infolded, an opposed pair of enveloping panels for interlocking with opposite ends of said base member; said infolded flaps and base member providing the base and alignment of said box.

Abstract: A wide-folding, linearly-hinged assembly of sheet members secured to each other in areas other than in the vicinity of the hinge is disclosed comprising: an inner sheet member having at least one ply and a female linear score on the inner side thereof; and an outer sheet member having at least one ply and at least four linear female scores arranged in pairs on opposed sides of said member, each of said outer scores bridging its paired inner score and said opposed pairs bridging said score of said inner sheet member.