Paper forming activity blade with mounting buttons

Details Paper forming activity blade with mounting buttons Paper forming activity blade with mounting buttons

1997-07-31

1999-08-03

Hastings, Karen M.

Paper making and fiber liberation

Apparatus

Running or indefinite length product forming and/or treating...

162351, 162354, D21F 154

Patent

active

059320729

ABSTRACT:
A papermaking apparatus such as a Fourdrinier table which includes a long blade and a trail blade. In the first aspect of the invention, the long blade includes an upper undulated surface with vents passing from the upper undulated surface to the lower surface of the long blade which is at substantially atmospheric pressure. In the second aspect of the invention, the trail blade includes an elevator-type device for adjusting the vertical position of the trail blade. In a third aspect of the invention, a single elevator is used to adjust the angle of the blade, the blade is provided as a modular or multiple-piece design, mounting buttons are used to engage slots of T-shaped cross section in the blade and/or ceramic inserts are included at wear points.

REFERENCES:
patent: 4004969 (1977-01-01), Beauchemin
patent: 4544449 (1985-10-01), Arav
patent: 4687549 (1987-08-01), Kallmes
patent: 4789433 (1988-12-01), Fuchs
patent: 5437769 (1995-08-01), Bando et al.
patent: 5507918 (1996-04-01), Polifke et al.

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