Paper making machine foil having low disturbance profile and sel

Details Paper making machine foil having low disturbance profile and sel Paper making machine foil having low disturbance profile and sel

1980-05-09

1982-05-25

Alvo, Marc S.

Paper making and fiber liberation

Apparatus

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

162374, 425182, D21F 154, D21F 700

Patent

active

043315119

ABSTRACT:
A paper making machine foil is provided with one or more of the following: a narrow angle (from 14.degree. to 23.degree.) forwardly projecting doctoring nose providing a water skimming edge, a layer of wear resisting material spaced rearwardly from the skimming edge and a wear resisting facing on and along an under surface of the nose and providing a self-sharpening water stripping tip for the skimming edge, and a metal (stainless steel) body provided with a downwardly opening recess within which is mounted a mounting member (rigid plastic) having a downwardly opening shaped groove receptive of a sliding connection for mounting the foil in a paper making machine.

REFERENCES:
patent: 2928465 (1960-03-01), Wrist
patent: 3446702 (1969-05-01), Buchanan
patent: 3732142 (1973-05-01), Beacom et al.
patent: 3738911 (1973-06-01), Kienzl et al.
patent: 3778342 (1973-12-01), Charbonneau
patent: 3870597 (1975-03-01), Getman et al.
patent: 3928125 (1975-12-01), Poeschl
patent: 4004969 (1977-01-01), Beauchemin
patent: 4134788 (1979-01-01), Witworth
Hydrofoil Design and Application Is An Evolving Science, Thorp, Paper Trade Journal, 1/11/65.

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