Patent ID: 6739254
Filing Date: 2004-05-25
Classification: B65H

Abstract:
A supporting or guiding device for sheets in a sheet processing machine, comprising:a supporting or guiding layer having a supporting or guiding surface formed with a plurality of outlet openings for applying a throttled air flow through said outlet openings to a respective sheet; a covering plate spaced away from said supporting or guiding surface, said covering plate having a plurality of inlet openings formed therein communicating with at least one blast air source; and at least two intermediate layers disposed between said supporting or guiding surface and said covering plate, each of said intermediate layers having a plurality of openings formed therein; one of said openings in one of said intermediate layers communicating with two of said openings in the other of said intermediate layers, and one of said openings in the other of said intermediate layers communicating with two of said openings in said one of said intermediate layers, between a respective one of said inlet openings and a respective one of said outlet openings.