JPS5575944A - Glass surface treating method - Google Patents

Glass surface treating method

Info

Publication number
JPS5575944A
JPS5575944A JP14663178A JP14663178A JPS5575944A JP S5575944 A JPS5575944 A JP S5575944A JP 14663178 A JP14663178 A JP 14663178A JP 14663178 A JP14663178 A JP 14663178A JP S5575944 A JPS5575944 A JP S5575944A
Authority
JP
Japan
Prior art keywords
glass
polished
temp
ion exchange
softening point
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP14663178A
Other languages
Japanese (ja)
Other versions
JPS6158416B2 (en
Inventor
Keiji Kobayashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=15412093&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JPS5575944(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP14663178A priority Critical patent/JPS5575944A/en
Publication of JPS5575944A publication Critical patent/JPS5575944A/en
Publication of JPS6158416B2 publication Critical patent/JPS6158416B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Surface Treatment Of Glass (AREA)

Abstract

PURPOSE: To produce strengthened glass of high surface smoothness in a high yield by heating polished glass to a temp. below the softening point at a specified heating rate followed by ion exchange treatment.
CONSTITUTION: Base material glass is polished and worked into a predetermined form or size. This glass is suitably mirror-polished so that residual flaws become 10μ or less in size. The polished glass is then heated to a temp. below the softening point at a heating rate of 100°C/sec or less and dipped in a proper molten salt bath of a predetermined temp. to carry out ion exchange treatment.
COPYRIGHT: (C)1980,JPO&Japio
JP14663178A 1978-11-29 1978-11-29 Glass surface treating method Granted JPS5575944A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14663178A JPS5575944A (en) 1978-11-29 1978-11-29 Glass surface treating method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14663178A JPS5575944A (en) 1978-11-29 1978-11-29 Glass surface treating method

Publications (2)

Publication Number Publication Date
JPS5575944A true JPS5575944A (en) 1980-06-07
JPS6158416B2 JPS6158416B2 (en) 1986-12-11

Family

ID=15412093

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14663178A Granted JPS5575944A (en) 1978-11-29 1978-11-29 Glass surface treating method

Country Status (1)

Country Link
JP (1) JPS5575944A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58156554A (en) * 1982-03-11 1983-09-17 Nippon Electric Glass Co Ltd Treatment of glass surface
JPS62275045A (en) * 1986-05-23 1987-11-30 Central Glass Co Ltd Method for chemically reinforcing polished glass
WO2022190651A1 (en) * 2021-03-11 2022-09-15 日本電気硝子株式会社 Tempered glass and method for producing same

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4972317A (en) * 1972-11-13 1974-07-12

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4972317A (en) * 1972-11-13 1974-07-12

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58156554A (en) * 1982-03-11 1983-09-17 Nippon Electric Glass Co Ltd Treatment of glass surface
JPS62275045A (en) * 1986-05-23 1987-11-30 Central Glass Co Ltd Method for chemically reinforcing polished glass
WO2022190651A1 (en) * 2021-03-11 2022-09-15 日本電気硝子株式会社 Tempered glass and method for producing same

Also Published As

Publication number Publication date
JPS6158416B2 (en) 1986-12-11

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