Paper forming activity blade
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 29, 2000
Issued Date -
N/A
app pub date -
Mar 11, 1999
filing date -
Apr 22, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
First Claim
Family
International Classification(s)
Cited Art Landscape
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