Method for measurement of the permeability to water

Details Method for measurement of the permeability to water Method for measurement of the permeability to water

1987-05-13

1989-11-14

Alvo, Steve

Paper making and fiber liberation

Processes and products

With measuring, inspecting and/or testing

73 38, 162263, 162275, D21F 132

Patent

active

048804991

ABSTRACT:
A method for measuring the permeability of pervious sheet material is disclosed; the measurement is based on the flow rate of water ejected at a given pressure between 2 and 1000 kPa through a nozzle pressed against one surface of the sheet material whose permeability is to be measured.

REFERENCES:
patent: 3499315 (1970-03-01), Marino
patent: 3577767 (1971-05-01), Stedile
patent: 3762211 (1973-10-01), Poulsen
patent: 4385517 (1983-05-01), Source et al.
patent: 4401147 (1983-08-01), Beck et al.

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