Abstract: A device for producing a bundle from an overlapping sheet-by-sheet stream of folded printed sheets on a slope where the stream is initially conveyed to an inclined moving stacking table having a base, in a free fall delivery, to form a stack on the base and inclined toward the vertical. The stacking table is carried on a circulating conveyor and is moved downward in an inclined condition to receive the sheets. The circulating conveyor is provided with a followup transporter following a common path with the base and moves faster than the base. The followup transporter thus engages the top of the stack to compress same during formation thereof. A tension band arrangement effects jogging of the sheets on an inclined slope of 10.degree. to 60.degree. in the conveying direction so that each sheet slides toward the inclined slope under its own weight and/or by the push of the following sheet.

Abstract: Method for producing a bundle from an overlapping sheet-by-sheet stream of folded printed sheets on a slope where the stream is initially conveyed and is rerouted upward in order to form a stack inclined toward the vertical. The method comprises the steps of stacking the sheets on a moving base arranged at a right angle to the slope and moving downward on the slope; interrupting the flow of sheets after a certain number of sheets is stacked by cyclically forming a gap during conveyance to the slope, placing a firm support on the last sheet of the stack, compressing the stack and forming the stack into a bundle. The step of stacking includes jogging the sheets on a slope inclined toward the vertical by 10.degree. to 60.degree. in the conveying direction so that each sheet slides toward the slope under its own weight and/or by the push of the following sheet. The sheets drop onto the stack in a free fall.

Abstract: A process and apparatus for the production of a book block, including sheet feeders disposed in series alongside a continuously running, transversely inclined conveyor belt, so that the sheets are successively fed from the feeders and successively disposed one upon the other on the conveyor belt to form a packet. Each sheet is first conveyed from its associated feeder at a downwardly inclined angle, and in a transverse direction with respect to the conveyor belt, and thereafter accelerated at another downwardly inclined angle and in the direction of the conveyor belt to obtain the conveyor belt speed for deposit thereon. From the conveyor belt, the packets are perforated, aligned, cut into strips and again aligned, all of which being performed at the same inclined angle as the conveyor belt. The strips are then folded and cut into quires. The quires are scaled off and then thrust together and thereupon gathered into the book block blank.

Abstract: Sheet material carrying ink, lacquer, adhesive or some other substance requiring to be dried, is advanced in a path in which its major surfaces are exposed. A drying arrangement, including a source of UV radiation and of incidental IR radiation, is located adjacent this path and directs the UV radiation against the substance to be dried, so as to effect such drying. A cooling arrangement is provided which at least partially surrounds the source of UV radiation in order to counteract the heat of the incidental IR radiation and prevent damage to the sheet material and/or the equipment.