Device and method for packaging of flat objects
a technology for flat objects and packaging, applied in the field of flat object packaging devices and methods, can solve the problems of unstable stacks and difficult handling, and achieve the effects of preventing a detrimental strain on the first conveying device, reducing the tensile stress in the film wrapping, and flexible system design
Inactive Publication Date: 2009-12-03
FERAG AG
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Benefits of technology
The invention is a device and method for packaging flat objects, specifically bendable printed products. The device includes a film wrapping unit for wrapping the objects with a film, a first conveying device for gripping and transporting the wrapped objects to a shrinking unit, and a second conveying device for handing over the objects to the shrinking unit. The method involves completely wrapping the objects with a film, gripping them with a gripper, and transporting them to a shrinking unit where the film wrappings are shrunk onto the objects. The device and method allow for a more flexible design of the system and enable individualized packaging based on the size and supplements of the objects. The conveying device runs at least 2 to 3 meters above ground level, making it space-saving. The shrinking unit can be arranged above or below head height, depending on the accessibility requirements. The technical effects of the invention include improved packaging efficiency, flexibility, and space-saving design.
Problems solved by technology
With film-wrapped printed products such as magazines manufactured in this manner, the problem arises of supplementary products enclosed with the magazine sliding around inside the film such that their position is not defined.
If such film-wrapped objects are stacked, they may slip in relation to one another such that the stack becomes unstable and difficult to handle.
Method used
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Embodiment Construction
[0029]FIG. 1 shows an overview of a device according to the invention. A film wrapping unit 1 is installed for wrapping a sequence of flat objects 5. These are subsequently completely wrapped by a film wrapping 6, transported by grippers 4 of a first conveying device 2 to a shrinking unit 3 and through the shrinking unit 3.
[0030]The shrinking unit 3 heats the film wrapping for shrinking, e.g. by means of thermal radiation or by means of heated air, which is heated by means of electric energy or gas or oil and blown onto the wrapped flat objects 5.
[0031]In FIG. 1 the shrinking unit 3 is shown arranged above head height. FIG. 2 shows a further variant for feeding a shrinking unit 3, in which the shrinking unit 3 is mounted at ground level and the first conveying device 2 is lead from a course above head height back down to the height of the shrinking unit 3.
[0032]In FIGS. 1 and 2, the first conveying device transports the flat objects 5 with the grippers 4 through the region of the sh...
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A method for packaging flat objects (5) that includes the steps of completely wrapping successive flat objects (5) with a film wrapping (6) by means of a film wrapping unit (1), gripping the completely wrapped flat objects (5) each with a gripper (4) of a first conveying device (2), transporting the wrapped flat objects (5) by means of the first conveying device (2) to a shrinking unit (3), wherein the shrinking unit (3) is spatially separated from the film wrapping unit (1), and shrinking the film wrappings (6) onto the flat objects (5) by means of the shrinking unit (3).
Description
BACKGROUND OF THE INVENTION[0001]1. Field of the Invention[0002]The invention relates to a device and a method for packaging of flat objects, in particular of flat, bendable printed products, according to the generic term of the corresponding independent claims.[0003]2. Description of Related Art[0004]Devices for packaging of flat objects, in particular e.g. newspapers, magazines, etc., into a plastic sheet or film are generally known, e.g. from EP 1 751 005. With film-wrapped printed products such as magazines manufactured in this manner, the problem arises of supplementary products enclosed with the magazine sliding around inside the film such that their position is not defined. If such film-wrapped objects are stacked, they may slip in relation to one another such that the stack becomes unstable and difficult to handle.[0005]EP 0 397 580 shows a handling device for bottles, which arrive in the device partly wrapped with shrink film. Grippers for holding the transported bottles ar...
Claims
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IPC IPC(8): B65B53/00
CPCB65B25/14B65B53/063B65B35/16
Inventor MOECKLI, ERNST
Owner FERAG AG