METHOD FOR CUTTING PLANAR GLASS PREFORM, PRODUCTION OF PREFORM AND DEVICE FOR CUTTING PLANAR GLASS PREFORM

• Main Authors: YOSHIKUNI KEISUKE, TSUKADA SHOGO
• Format: Patent
• Language: English
• Published: 06.06.2000
• Edition: 7
• Subjects: CHEMISTRY; CUTTING; CUTTING-OUT; GLASS; HAND CUTTING TOOLS; MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES; METALLURGY; MINERAL OR SLAG WOOL; PERFORATING; PERFORMING OPERATIONS; PUNCHING; SEVERING; SEVERING BY MEANS OTHER THAN CUTTING; STAMPING-OUT; TRANSPORTING

PROBLEM TO BE SOLVED: To make it possible to form a more adequate press blank by executing always adequate pressurization in a method for cutting a planar glass preform previously scribed with a plurality of grooves on one main surface. SOLUTION: When the planar glass preform 20 is pressurized and c...