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Method of making an abrasive article comprising abrasive agglomerates supported in a fibrous matrix

  • US 4,486,200 A
  • Filed: 09/09/1982
  • Issued: 12/04/1984
  • Est. Priority Date: 09/15/1980
  • Status: Expired due to Term
First Claim
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1. A method of making an abrasive article, said method comprising the steps offorming within a lofty web comprising undulated filaments bonded at points of mutual contact by depositing in a pattern with an appropriate printing or extruding device a plurality of separated agglomerates formed of a mixture of uncured liquid curable bonding agent and abrasive particles, said agglomerates having an average particle size of at least 2 mm to provide an agglomerate-impregnated web;

  • andcuring said bonding agent to convert said agglomerates to abrasive agglomerates comprising abrasive particles bonded together with said bonding agent, said bonding agent and said abrasive particles being selected to provide an abrasive particle to bonding agent weight ratio of about 1;

    1 to 20;

    1.

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