Valmet Technologies, Inc.

Metso Paper Inc.

Hannu Eerikäinen

Reijo Hassinen

Veli-Pekka Koljonen

Tommi Luosma

Kari-Matti Laitinen

Pekka Meriläinen

Tuomo Pekka Auranen

Anssi Toivanen

Pertti Latikka

Blowing equipment () for doctor equipment of a fiber web machine () includes a distribution channel (), the length of which corresponds essentially to the length of the doctor equipment (). The blowing equipment () also includes nozzle devices () for directing blowing in the doctor equipment (). The nozzle devices () are arranged to be adapted to a blade holder () that belongs to the doctor equipment () for establishing doctor blowing. The distribution channel () is adapted to be fastened to the blade holder (). The invention also relates to doctor equipment of a fiber web machine, where the doctor equipment is equipped with blowing equipment.

Blowing equipment for doctor equipment of a fiber web machine and fiber web machine doctor equipment equipped with blowing equipment

A doctor apparatus for a web forming machine to doctor a moving surface, and the doctor apparatus () includes a doctor blade () and blade holder (), which blade holder () has a holder component () preferably made of aluminum, to which the doctor blade () is mounted by a front plate (), and a frame component () preferably made of fiber-reinforced polymer material, to which the holder component () is mounted. The doctor apparatus () having a loading element () arranged between the frame component () and holder component () to load the blade holder () and further the doctor blade (). The invention also relates to a corresponding blade holder and holder component.

Doctor apparatus and blade holder

A doctor apparatus for a web forming machine for doctoring a moving surface with the doctor apparatus () has a blade (), a blade holder () to which the blade () is adapted, a frame component () to which the blade holder () is adapted, and a loading element () arranged between the frame component () and the blade holder () for loading the blade holder () and further the blade (). The loading element () is tied to both the frame component () and the blade holder (). The invention also relates to a blade holder () and a method for a web forming machine for doctoring a moving surface ().

Doctor apparatus and a method for a web forming machine for doctoring a moving surface as well as a blade holder

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Varkaus, Finland

Hannu Eerikäinen