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Process for making an orthotic footwear insert

  • US 5,015,427 A
  • Filed: 02/21/1989
  • Issued: 05/14/1991
  • Est. Priority Date: 08/04/1987
  • Status: Expired due to Fees
First Claim
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1. A process for making a resilient, shock-absorbing, shaped product, comprising the steps of:

  • (a) comminuting a self-adherent, clay-like, bulk elastomeric material into particles, wherein the particles retain their self-adherence after comminution and are capable of being formed into the shaped product,(b) shaping said comminuted material into the shaped product,(c) applying non-vulcanizing pressure to said shaped comminuted material, the pressure being sufficient to compress said material to a predetermined density, wherein the material is formed into the shaped product, and(d) heating said shaped product with sufficient heat to cure the material.

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