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Ballasted vehicle support means and ballast therefor

  • US 3,312,265 A
  • Filed: 01/29/1965
  • Issued: 04/04/1967
  • Est. Priority Date: 01/29/1965
  • Status: Expired due to Term
First Claim
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1. A BALLASTED VEHICLE TIRE COMPRISING A RESILIENT VEHICLE TIRE HAVING AN ANNULAR SEALED CHAMBER INFLATABLE WITH GAS UNDER PRESSURE, A BALLAST MATERIAL FILLING SAID CHAMBER BETWEEN APPROXIMATELY 65% AND 100% OF ITS CAPACITY WHEN THE TIRE IS AT REST, GAS MAINTAINED WITHIN SAID CHAMBER UNDER PRESSURE TO INFLATE SAID TIRE, SAID BALLAST MATERIAL INCLUDING A FINELY DIVIDED POWDER, A RESILIENT MATERIAL IN PARTICLE FORM AND A GRANULAR MATERIAL HAVING SUBSTANTIALLY SMOOTH-SURFACED PORTIONS, SAID POWDER HAVING A PORTION THEREOF HAVING A FINENESS OF

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