Folding apparatus of a web-fed printing press including a...

Details Folding apparatus of a web-fed printing press including a... Folding apparatus of a web-fed printing press including a...

2005-12-27

2005-12-27

Porta, David (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C250S224000, C250S559420, C250S559430, C198S810020, C356S237200, C356S430000

Reexamination Certificate

active

06979815

ABSTRACT:
A folding apparatus (30) having at least one conveyor belt (10) which is used to convey signatures (64) at least on a section of a path (66, 68) of the signatures (64) through the folding apparatus (30). The folding apparatus (30) features at least one monitoring device (12) with which the conveyor belt (10) is associated. The monitoring device (12) contains a detector (20) for radiation (22) scattered from at least a part (24) of the conveyor belt (10). The condition of the conveyor belt (10) can be determined and classified in an advantageous manner so that the machine operator can receive a signal for timely replacement so as to avoid an unexpected breakage of the conveyor belt (10).

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