OPTICAL GLASS FORMED BODY, ITS PRODUCTION AND PRODUCTION APPARATUS

摘要: PURPOSE:To obtain an optical glass element of high accuracy without defect on the surface at a low cost by heating block as mounted cooled tool for hot working to molded body, and then press forming body with using die while heating. CONSTITUTION:By 7 6 (having though hole 5 cooling) heater 15, obtd. 3 has transferred 2 in contact 4 free 1. Then this is formed element.