Measuring and testing – Moisture content or absorption characteristic of material
Patent
1979-08-02
1981-04-07
Yasich, Daniel M.
Measuring and testing
Moisture content or absorption characteristic of material
118407, G01N 704
Patent
active
042598621
ABSTRACT:
A smoothness absorbency tester for testing the porosity characteristic of an elongated porous strip of material. A movable surface is provided on a frame and is adapted to support thereon the strip to be tested. A drive mechanism is provided for driving the movable surface. A blade is provided on the frame and is supported for movement toward and away from the movable surface. The blade defines an upwardly opening reservoir with one wall of the reservoir being defined by the aforesaid movable surface having the strip of material supported thereon. A liquid dispensing device is provided for dispensing a liquid of a predetermined viscosity into the reservoir so that the liquid contacts the strip of material. The blade means prevents a run-off of the liquid in the direction of movement of the strip of material and thereby holds the liquid in the reservoir to be absorbed by the strip of material moving relative to the blade. Structure is provided for detecting and indicating the absence of the liquid in the reservoir. Timing apparatus is provided for timing an interval of time between the introduction of liquid into the reservoir and the indication of the absence of liquid therein.
REFERENCES:
patent: 2855895 (1958-10-01), Burns et al.
patent: 3177847 (1965-04-01), Schnierlein
patent: 3713966 (1973-01-01), Lippke
patent: 4029044 (1977-06-01), Hunter
patent: 4099406 (1978-07-01), Fulkerson
Publ. A New Apparatus . . . Determine . . . Roughness and Receptivity of Paper . . . etc., by W. A. Wink, et al., TAPPI, vol. 40, No. 7, Jul. 1957, pp. 528-536.
Drew W. Howard
Sheaks Lloyd D.
Kaltec Scientific Instrument, Inc.
Yasich Daniel M.
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