Horizontal twin wire paper machine

Details Horizontal twin wire paper machine Horizontal twin wire paper machine

1986-11-26

1987-10-27

Bashore, S. Leon

Paper making and fiber liberation

Apparatus

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

162263, 162301, 162348, D21F 100, D21F 700

Patent

active

047028009

ABSTRACT:
Apparatus for the purpose of enabling a paper mill to determine the extent to which the performance and/or the product of an existing Fourdrinier paper machine in the mill will be improved by its conversion into a top former machine comprises a fractional version of top forming apparatus which can be readily combined with an existing Fourdrinier machine in such manner that a minor portion of the forming width of the machine will be converted to top forming operation. The apparatus makes it possible to produce, on an existing Fourdriner machine, a sheet of which a small integral portion is formed by drainage through both the primary wire and a top wire, while the remainder of the sheet continues to be produced in the same manner as before the top wire testing.

REFERENCES:
patent: 4532008 (1985-07-01), Creagan et al.

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