Paper web coating appts.

摘要

Appts. has a feed channel and an overflow channel where a sliding channel wall (8.2) is in at least one of the channels. Sliding movement against the facing channel wall (8.1) varies the channel width. The sliding wall (8.2) has a generally constant line, as seen on a side view.Pref. the sliding wall can be distorted like a screw clip, to vary the channel width. The sliding wall (8.2) swings on a pivot axis (8.3).