Title:
GLASS COMPOSITION WITH HIGH ELASTICITY AND HEAT RESISTANCE
Document Type and Number:
Japanese Patent JPS5864243
Kind Code:
A
Abstract:
PURPOSE: To enhance elasticity and heat resistance and to enable spinning into a filament by blending prescribed percentages of SiO2, Al2O3, MgO, CaO, TiO2, BaO, SrO, R2O and oxide of a rare earth element.
CONSTITUTION: The titled composition consists of, by weight, 45W70% SiO2, 20W35% Al2O3, 2W17% MgO, 6W21% CaO (MgO+CaO=10W23%), 0W6% TiO2, 0W10% BaO+SrO, 0W1% R2O, 0W10% oxide of a rare earth element and ≤1% impurities. This glass composition has high elasticity and heat resistance and is easily spun into a filament.
Inventors:
SUZUKI YOSHIO
OOTA HIRONORI
KAMEI FUMIO
OOTA HIRONORI
KAMEI FUMIO
Application Number:
JP16207481A
Publication Date:
April 16, 1983
Filing Date:
October 13, 1981
Export Citation:
Assignee:
ASAHI GLASS CO LTD
International Classes:
C03C3/085; C03C3/04; C03C3/087; C03C3/095; C03C13/00; (IPC1-7): C03C3/04; C03C3/30; C03C13/00
Domestic Patent References:
| JPS5318042A | 1978-02-18 | |||
| JPS5595641A | 1980-07-21 | |||
| JPS553367A | 1980-01-11 |
Foreign References:
| US1209244A | 1916-12-19 | |||
| US1200732A | 1916-10-10 | |||
| DE1596768A1 | 1971-04-15 |
Attorney, Agent or Firm:
Akira Uchida