Apparatus for loosening fiber material packed in bales

An apparatus for loosening fiber material packed in bales, comprising:

• a conveyor region for conveying the fiber material in a conveyor direction, wherein the conveyor region includes a feed portion, a buffer portion, and a discharge portion, wherein a first roller arrangement is arranged in a first transitional region between the feed portion and the buffer portion, and wherein a second roller arrangement is arranged in a second transitional region between the buffer portion and the discharge portion, wherein at least one of the first roller arrangement and the second roller arrangement comprise a peripheral surface and a plurality of projections arranged on the peripheral surface,
• wherein the first roller arrangement and the second roller arrangement have at least two rollers, respectively, wherein each of the rollers is rotatable about an axis of rotation which extends parallel to a transverse direction of the conveyor direction,
• wherein the two rollers of each of the first roller arrangement and the second roller arrangement are arranged so that their axes of rotation extend perpendicular to the conveyor direction or a line which extends at an acute angle relative to the perpendicular and are so arranged in mutually superposed relationship, and
• wherein a first roller of the first roller arrangement that is closer to a conveyor surface than a second roller of the first roller arrangement is arranged in the conveyor direction downstream of the second roller, and wherein a first roller of the second roller arrangement which is arranged further away from the conveyor surface than a second roller of the second roller arrangement is arranged in the conveyor direction downstream of the second roller.