Bearing materials
AssigneeD.A.B. Industries, Inc.
InventorKenneth Lloyd
Life of this patent
Estimating the term…
Abstract
A bearing material comprising copper and bismuth. Preferably there is from 12% to 18% by weight of bismuth and for some purposes there may be up to 35%. Depending upon special requirements, the bearing material may also have varying amounts of silver, antimony, zinc, phosphorous and nickel. Copper usually constitutes at least 50% by weight of the material.
Claims4
A bearing comprising bearing material bonded to a steel backing, said bearing material consisting essentially of 10% to 20% by weight of bismuth, 0.5% to 4% by weight of tin, 0% to 1% by weight of lead and the balance copper.
A bearing comprising bearing material bonded to a steel backing, said bearing material consisting essentially of between 12% to 18% by weight of bismuth, 1% to 3% by weight of tin, 0.5% by weight of lead and the balance copper.
Dependencies are inferred from the claim text.