| 摘要 |
<p>An antifriction, self-supporting spacing element, e.g. a washer, made of epoxy resins and Pb and/or Bi powder or alloys of these metals and shaped into a plate or film of uniform thickness 0.1 to a few mms. with anti-friction properties on both faces. A process for making the material is claimed. The material may be a film or a plate and has a regular surface.</p> |
