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Method and apparatus for determining bulk material properties of elastomeric materials

  • US 6,578,431 B2
  • Filed: 04/03/2001
  • Issued: 06/17/2003
  • Est. Priority Date: 04/04/2000
  • Status: Expired due to Fees
First Claim
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1. A method for measuring bulk material properties of an elastomeric material comprising the steps of:

  • applying pressure to an elastomeric material in a container which prevents radial expansion of said elastomeric material;

    measuring the pressure of the elastomeric material from a signal generated by a pressure sensor in the container; and

    determining a bulk material property selected from the group consisting of Poisson'"'"'s ratio and a ratio of shear modulus to bulk modulus for the elastomeric material using (A) the signal from the pressure sensor and (B) the magnitude of the applied pressure.

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