Overheating protection for toner image printed substrate in a radiation fixing device
AssigneeNexPress Solutions LLC
InventorsDomingo Rohde, Frank-Michael Morgenweck, Gerhard Bartscher
Life of this patent
Estimating the term…
Abstract
A digital printer or copier machine (1) and a device (23) for protection against excessive heating of an object (5, 49), for example, a paper to be printed, that is guided past a radiation device (7) within a digital printer or copier machine (1). The protection device (23) has two protection elements (41, 43) permeable to radiation and arranged at a distance from each other, which are arranged in the radiation path (21) between a radiation device (7) and the object to be heated (5, 49).
Claims21
Digital printer or copier machine (1) with a fixing device (3) for fixing a toner image onto a substrate (5), that is especially made of paper or cardboard and is guided along a transport plane (E) in a direction (17), where the fixing device (3) contains at least one radiation device (7), directing electromagnetic radiation (11) along a radiation path (21) for impinging at least one substrate side (13) with the electromagnetic radiation (11), and with a device (23) for protection against excessive heating of the substrate (5), characterized in that the protection device (23) has at least one stopper (24, 31) arranged fixed in the radiation path (21) between the at least one radiation device (7) and the transport plane (E) of the substrate (5), which prevents a contact between the substrate (5) and the at least one radiation device (7), said at least one stopper (24, 31) is made of at least one mesh structure (25) having only a low heating capacity and/or only low heat conductivity.
Digital printer or copier machine (1) with a fixing device (3) for fixing a toner image onto a substrate (5), that is especially made of paper or cardboard and is guided along a transport plane (E), where the fixing device (3) contains at least one radiation device (7), for impinging at least one substrate side (13) with electromagnetic radiation (11), and with a device (23) for protection against excessive heating of the substrate (5), characterized in that the protection device (23) has at least two radiation permeable protection elements (41, 43) arranged at a distance from each other in a radiation path (21) between the at least one radiation device (7) and the transport plane (E) of the substrate (5).
Device (23), especially for a digital printer or copier machine (1), for protection against excessive heating of an object (5, 49) that is guided past a radiation device (7), characterized in that the protection device (23) has at least two protection elements (41, 43) arranged at a distance from each other and permeable to radiation, which are arranged in a radiation path (21) between the radiation device (7) and the object to be heated (5, 49).
Dependencies are inferred from the claim text.