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Method of making a projectile by metal injection molding

  • US 10,081,057 B2
  • Filed: 09/23/2015
  • Issued: 09/25/2018
  • Est. Priority Date: 11/10/2010
  • Status: Active Grant
First Claim
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1. A method of making a metal ammunition projectile by metal injection molding comprising the steps of:

  • providing a projectile mold to form a nose extending symmetrically to a shoulder; and

    an essentially cylindrical bearing surface extending from the shoulder to a base;

    providing a metal injection molding feedstock comprising a powdered metal and at least a first binding agent and a second binding agent;

    injection molding the metal injection molding feedstock into the projectile mold to form a first projectile having a first size;

    debinding the first projectile to remove the first binding agent; and

    sintering the first projectile to remove the second binding agent and form a projectile having a second size.

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