Method for manufacturing a board- or sheet-shaped material with

Details Method for manufacturing a board- or sheet-shaped material with Method for manufacturing a board- or sheet-shaped material with

1987-05-18

1989-10-10

Chin, Peter

Paper making and fiber liberation

Processes and products

Mineral fiber

162156, D21H 518

Patent

active

048729523

ABSTRACT:
A method and a device for manufacturing a board- or sheet shaped material with a high amount of glass or mineral wool fibres and produced in e.g. a board- or paper making machine. The purpose of the invention is to provide a wetting of the fibres and a distribution of them in aqueous phase so that they can be mixed with the other ingredients, paper pulp and binding agent, to a mass with the desired composition. The fibres are fed in air stream into a cyclon, after the outlet of which the fibre stream is accelerated under simultaneous supply of water or steam, which replaces the air about the fibres. The wetted fibres are then mixed with paper pulp and binding agent and supplied to a device for producing a board- or sheet-shaped material, such as a board- or paper making machine.

REFERENCES:
patent: 2510086 (1950-06-01), Delloye
patent: 2787542 (1957-04-01), Labino
patent: 3758375 (1973-09-01), Keib et al.
patent: 3838995 (1974-10-01), Smith

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