Sheet processing apparatus and image forming apparatus

Details Sheet processing apparatus and image forming apparatus Sheet processing apparatus and image forming apparatus

2011-05-10

2011-05-10

Nicholson, III, Leslie A (Department: 3651)

Sheet-material associating

Associating and folding

Sheet associating

C270S020100, C270S032000, C270S051000, C270S058070

Reexamination Certificate

active

07938388

ABSTRACT:
A sheet processing apparatus includes a folding apparatus which folds a sheet bundle, a switching portion which switches a nipping pressure of the folding apparatus against the sheet bundle, and a flattening apparatus which presses and flattens a folded-back portion of the folded sheet bundle. The switching portion operates such that the nipping pressure of the folding apparatus against the sheet bundle when the flattening processing is executed becomes weaker than that of the folding apparatus when the flattening processing is not executed.

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