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Sample supplying device for a dry particle-size distribution measuring apparatus and method

  • US 20030147074A1
  • Filed: 12/18/2002
  • Published: 08/07/2003
  • Est. Priority Date: 12/19/2001
  • Status: Active Grant
First Claim
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1. In a sample supplying device for a dry particle-size distribution measuring apparatus which is configured by a trough that accommodates a sample, and a linear feeder that vibrates said trough, and in which the sample in said trough is dropped through a sample drop hole formed in said trough, by vibrating said trough, the improvement comprising:

  • a brush unit operatively positioned in said trough and vibrated by the vibration of the trough to contact and disperse the sample to a primary particle state before being dropped through the sample drop hole.

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