Method for testing the resilience of solid particles

Details Method for testing the resilience of solid particles Method for testing the resilience of solid particles

1975-05-07

1976-08-03

Queisser, Richard C.

Measuring and testing

By abrasion, milling, rubbing, or scuffing

241 1, 427213, G01N 356, B02C 1906

Patent

active

039722201

ABSTRACT:
Solid particles, such as medicinal preparations, are tested for resilience in a fluidizing apparatus. The test of this invention has several applications, such as predicting abrasion loss for particles which are to be coated in a fluidized bed coating operation, estimating abrasion loss for particles during shipping, and predicting disintegration rate of particles in fluids.

REFERENCES:
patent: 2414439 (1947-01-01), Brandon
patent: 2422179 (1947-06-01), Brewster
patent: 2976716 (1961-03-01), De Haven
patent: 2983453 (1961-05-01), Bourguet et al.
patent: 3253944 (1966-05-01), Wurster
patent: 3636772 (1972-01-01), Bennett
Publication "Ultra-Fine Grinding . . . Fluid Jet Pulverizers" by Dufour et al. Mining Engineering, Mar. 1952 (pp. 262-264).

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