G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 15/02 (2006.01) G01N 15/10 (2006.01)
Patent
CA 2259718
An apparatus and method for measuring the dimensions of particles is disclosed. The apparatus contains: a base; three or more fixed posts mounted to the base; a swinging arm mounted to the base, wherein the swinging arm has a first end, wherein the first end mates with a first fixed point, a second end wherein the second end mates with a second fixed point, and a center connecting the first end and the second end, wherein the swinging arm is mounted to be base so as to permit movement thereof around a pivot point, wherein the first end has a length L1 that is less than a length L2 of the second end. The inventive method involves: measuring dimensions of particles, wherein two or more ratios of a particle are measured simultaneously. The apparatus and method may be used to determine the relative ratios of particle sizes of a sample of material to determine if the material meets product specifications.
Jacomet Patrick A.
Jahn David W.
Macrae & Co.
Martin Marietta Materials Inc.
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