Trajectory treatment apparatus for fibrous material web such as paper or paperboard web, has tape guide rollers that are provided with support portion such that outer surface covered by endless belt is not affected

摘要

The trajectory treatment apparatus (1) has a treatment nip portion (9) located at a heating roller (2). An endless belt (10) is connected at rotary outer surfaces of belt guide rollers (11a-11c). A fibrous material web (6) attached to the endless belt is located against a peripheral portion of the heating roller. The tape guide rollers are provided with a support portion (3) such that an outer surface (16) covered by the endless belt is not affected.