定義

• Holding Taper.  A draft or bevel of relief which is so steep it prohibits the release of any piece made by a die or mold. For most diestruck work this is 2 1/2°, with a minimum of 5° taper recommended for ease of striking.  See bevel, draft.

  excerpted with permission from

  An Encyclopedia of Coin and Medal Technology

  For Artists, Makers, Collectors and Curators

  COMPILED AND WRITTEN BY D. WAYNE JOHNSON

  Roger W. Burdette, Editor

人际关系