METHODS AND MACHINE FOR PACKAGING PRIMARY CONTAINERS IN SECONDARY CONTAINERS AND A SHIPPING TRAY

A machine for filling a secondary container with a plurality of primary containers is provided. The machine includes a frame, a secondary container filling section coupled to the frame and configured to position the primary containers within the secondary container, and a first rail member coupled to the frame. The first rail member includes a chain, a support rail that extends in a longitudinal direction between a supply source of secondary containers and the secondary container filling section, and at least one longitudinally extending interface surface coupled to the support rail and configured to receive the chain, such that the chain is movable in the longitudinal direction. The first rail member also includes an articulated chain cover secured to, and movable with, the chain, the articulated chain cover defining a support surface on which the secondary containers are conveyable between the supply source and the secondary container filling section.