Manufacturing method for molded glass articles

• Main Authors: SAITOH; KOHICHI, HIROTA; SHINICHIRO, SUGAWARA; KISHIO, UNO; KEN
• Format: Patent
• Language: English
• Published: 23.11.1999
• Edition: 6
• Subjects: CHEMISTRY; CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GLASS; MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES; METALLURGY; MINERAL OR SLAG WOOL; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE

A manufacturing method for molded glass articles including glass optical elements such as high precision lenses not requiring grinding and polishing after press molding. The manufacturing method according to the invention is a method for manufacturing the molded glass articles having a higher surface precision with a high productivity by pressing a glass material in a stepwise manner constituted of some steps depending on a temperature condition of the glass material.