Abrasive medium

{
  "publication_number": "US3785094A",
  "country": "US",
  "kind": "A",
  "title": "Abrasive medium",
  "abstract": "A flexible grinding tool made up a synthetic resin impregnated fiberglass mat with a layer of abrasive grains attached to both surfaces of the mat by a synthetic resin binder containing short fibers of glass, asbestos, ceramic material or graphite therein.",
  "claims": [
    "2. A tool according to claim 1 wherein said synthetic resin impregnating said fiberglass mat contains short fibers of asbestos, ceramic material or graphite therein, said short fibers having a length of about 0.1 to approximately 3 mm.",
    "3. A tool according to claim 2 wherein said short fibers are added in an amount of between 2 - 20 percent by weight based on the solid resin material.",
    "4. A tool according to claim 1 wherein said abrasive grains are corundum or silicon carbide.",
    "5. A tool according to claim 1 wherein said abrasive grains penetrate into said fiberglass mat.",
    "6. A tool according to claim 1 wherein said ceramic material is glass.",
    "7. A tool according to claim 2 wherein said ceramic material is glass."
  ],
  "cpc": [
    "B24D 11/00",
    "B24D 7/02"
  ],
  "ipc": [
    "B24D 11/00",
    "B24D 7/02"
  ],
  "assignees": [
    "RUEGGEBERG A FA"
  ],
  "inventors": [
    "R Holzhauer"
  ],
  "filing_date": "1971-08-25",
  "publication_date": "1974-01-15",
  "grant_date": "1974-01-15",
  "priority_date": "1971-05-11",
  "application_number": "US-3785094D-A",
  "family_id": "5807428",
  "cited_by_count": 15,
  "citations": [
    "US2284716A",
    "US2334572A",
    "US2768483A",
    "US2880080A",
    "US3529945A"
  ]
}