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2016-11-05 12:15:10 | 米国特許散策

US9133111
"Calculate the weight percentage of the test specimen retained(保持)on each sieve.  Express the weight percentage passing through each sieve, and cumulated(累加).  Determine by graphical interpolation the mesh opening(メッシュの目開き)equivalent to the 90% and 99.5% cumulated weight percentage (D90, D99.5)."

US8076530
"Classification at a time of measuring mass average particle diameter (D50) and logarithmic standard deviation (σξ) of particle diameter distribution is performed as follows: 10.0 g of water-absorbing resin particles or a primary water-absorbing agent is put in the JIS standard sieves (IIDA TESTING SIEVE: diameter 8 cm) with mesh openings(目開き)being 850 μm, 710 μm, 600 μm, 500 μm, 425 μm, 300 μm, 212 μm, 150 μm, 45 μm etc., and is classified for 5 minutes by a vibrating classifier (IIDA SIEVE SHAKER, TYPE: ES-65 (rotational frequency: 60 Hz 230 rpm, number of concussion: 60 Hz 130 rpm), SER. No. 0501) under conditions that the temperature is a room temperature (23±2° C.) and humidity is 50RH %."

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