Abstract: A temporary storage system (1) of belt type for lightweight hollow bodies (C), said system being particularly suitable for use with empty plastic containers (C) and of the type comprising a storage buffer vessel (2) provided with a feed entry opening (3) in its upper part and a discharge exit (4) in its lower part, said exit (4) being situated above conveyor means (5) for removal from the buffer vessel (2), said system comprising at least one movable storage belt (6a, 6b, 6c) positioned substantially horizontally in the interior of said buffer vessel (2), said storage belt (6a, 6b, 6c) being arranged to receive a falling plurality of desired volumes (D) of said hollow bodies (C), while advancing during the fall of said hollow bodies (C) by a distance sufficient to maintain said volumes (D) separate, said volumes (D) being made to advance towards the discharge exit (4) and allowed to fall onto the removal conveyor means (5) when said stored hollow bodies (C) are required to be withdrawn.