JPH0449495B2 - - Google Patents

Info

Publication number
JPH0449495B2
JPH0449495B2 JP62172945A JP17294587A JPH0449495B2 JP H0449495 B2 JPH0449495 B2 JP H0449495B2 JP 62172945 A JP62172945 A JP 62172945A JP 17294587 A JP17294587 A JP 17294587A JP H0449495 B2 JPH0449495 B2 JP H0449495B2
Authority
JP
Japan
Prior art keywords
glass
temperature
difficult
poise
composition
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.)
Expired - Lifetime
Application number
JP62172945A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6418937A (en
Inventor
Shinichi Araya
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.)
Central Glass Co Ltd
Original Assignee
Central Glass 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
Application filed by Central Glass Co Ltd filed Critical Central Glass Co Ltd
Priority to JP17294587A priority Critical patent/JPS6418937A/ja
Publication of JPS6418937A publication Critical patent/JPS6418937A/ja
Publication of JPH0449495B2 publication Critical patent/JPH0449495B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Glass Compositions (AREA)
JP17294587A 1987-07-13 1987-07-13 Improved glass composition Granted JPS6418937A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17294587A JPS6418937A (en) 1987-07-13 1987-07-13 Improved glass composition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17294587A JPS6418937A (en) 1987-07-13 1987-07-13 Improved glass composition

Publications (2)

Publication Number Publication Date
JPS6418937A JPS6418937A (en) 1989-01-23
JPH0449495B2 true JPH0449495B2 (cs) 1992-08-11

Family

ID=15951264

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17294587A Granted JPS6418937A (en) 1987-07-13 1987-07-13 Improved glass composition

Country Status (1)

Country Link
JP (1) JPS6418937A (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09208246A (ja) * 1995-10-16 1997-08-12 Central Glass Co Ltd 防火ガラス

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5071796A (en) * 1989-08-14 1991-12-10 Ppg Industries, Inc. Flat glass composition with improved melting and tempering properties
JP5024487B1 (ja) * 2011-02-01 2012-09-12 旭硝子株式会社 磁気ディスク用ガラス基板の製造方法
CN105121363B (zh) * 2013-04-24 2018-06-12 旭硝子株式会社 熔融玻璃的导管结构、使用该导管结构的装置及方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5249010A (en) * 1975-10-17 1977-04-19 Hitachi Denshi Ltd Method of forming gaps of magnetic head
JPS5440815A (en) * 1977-09-06 1979-03-31 Asahi Glass Co Ltd Glass for fiber use
JPS5523221A (en) * 1978-08-03 1980-02-19 Ebisu Kiko Kk Simultaneous driver for steel sheet-piles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09208246A (ja) * 1995-10-16 1997-08-12 Central Glass Co Ltd 防火ガラス

Also Published As

Publication number Publication date
JPS6418937A (en) 1989-01-23

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees