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GB1253681A - Improvements in or relating to the toughening of glass - Google Patents

Improvements in or relating to the toughening of glass

Info

Publication number
GB1253681A
GB1253681AGB948468AGB948468AGB1253681AGB 1253681 AGB1253681 AGB 1253681AGB 948468 AGB948468 AGB 948468AGB 948468 AGB948468 AGB 948468AGB 1253681 AGB1253681 AGB 1253681A
Authority
GB
United Kingdom
Prior art keywords
glass
quenching
feb
furnace
surface temperature
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
Application number
GB948468A
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.)
Pilkington Group Ltd
Original Assignee
Pilkington Brothers 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 Pilkington Brothers LtdfiledCriticalPilkington Brothers Ltd
Priority to GB948468ApriorityCriticalpatent/GB1253681A/en
Priority to IE22669Aprioritypatent/IE33410B1/en
Priority to DE19691910086prioritypatent/DE1910086C3/en
Priority to SE256469Aprioritypatent/SE348451B/xx
Priority to SE939272Aprioritypatent/SE366286B/xx
Priority to DK106369Aprioritypatent/DK137747B/en
Priority to FR6904881Aprioritypatent/FR2002674A1/fr
Priority to AT200769Aprioritypatent/AT316785B/en
Priority to CS142369Aprioritypatent/CS166692B2/cs
Priority to PL13199869Aprioritypatent/PL69829B1/pl
Priority to NL6903047Aprioritypatent/NL6903047A/xx
Priority to ZM3469Aprioritypatent/ZM3469A1/en
Priority to BE729055Dprioritypatent/BE729055A/xx
Priority to BR20672069Aprioritypatent/BR6906720D0/en
Priority to CH295469Aprioritypatent/CH527776A/en
Priority to US155234Aprioritypatent/US3890128A/en
Publication of GB1253681ApublicationCriticalpatent/GB1253681A/en
Priority to NO39372Aprioritypatent/NO128566B/no
Expiredlegal-statusCriticalCurrent

Links

Classifications

Landscapes

Abstract

1,253,681. Toughening glass. PILKINGTON BROS. Ltd. 21 Feb., 1969 [27 Feb., 1968], No. 9484/68. Heading C1M. A sheet of glass 2, heated to near its softening point in the furnace 3 with heating means 4, is toughened by subjecting it to preliminary cooling prior to a subsequent severe quenching by passing the glass first through blowing frames 7 where it is cooled by gases issuing from nozzles 8 at a controlled rate so that the surface temperature and centre-to-surface temperature difference are such that deformation and fracture does not occur in the subsequent quenching when the glass is lowered into the quenching bath 11 filled with an oil or molten alloy which produces a high rate of heat transfer from the glass. Suitable apparatus is described in more detail with reference to Figs. 2-5 (not shown), including an installation incorporating a station between the furnace and the blowing frame at which plane glass sheet is bent before treatment (Fig. 5). Several numerical examples are given which relate to treating sheets of glass of various thicknesses, chiefly soda-lime-silicate glasses. The process may also be used on many other articles.
GB948468A1968-02-271968-02-27Improvements in or relating to the toughening of glassExpiredGB1253681A (en)

Priority Applications (17)

Application NumberPriority DateFiling DateTitle
GB948468AGB1253681A (en)1968-02-271968-02-27Improvements in or relating to the toughening of glass
IE22669AIE33410B1 (en)1968-02-271969-02-20Improvements in or relating to the toughening of glass
DE19691910086DE1910086C3 (en)1968-02-271969-02-25 Method and device for hardening a pane of soda-lime-silicate glass
SE256469ASE348451B (en)1968-02-271969-02-25
SE939272ASE366286B (en)1968-02-271969-02-25
DK106369ADK137747B (en)1968-02-271969-02-26 Method for curing a sheet of soda-lime-silica glass and apparatus for carrying out the method.
FR6904881AFR2002674A1 (en)1968-02-271969-02-26
PL13199869APL69829B1 (en)1968-02-271969-02-27
CS142369ACS166692B2 (en)1968-02-271969-02-27
AT200769AAT316785B (en)1968-02-271969-02-27 Method and device for hardening a glass plate
NL6903047ANL6903047A (en)1968-02-271969-02-27
ZM3469AZM3469A1 (en)1968-02-271969-02-27Improvements in or relating to the toughening of glass
BE729055DBE729055A (en)1968-02-271969-02-27
BR20672069ABR6906720D0 (en)1968-02-271969-02-27 PERFECT PROCESS AND APPLIANCE FOR GLASS ENRICHMENT AND ITS PRODUCT
CH295469ACH527776A (en)1968-02-271969-02-27 Process for tempering glass, glass tempered by the process and device for carrying out the process
US155234AUS3890128A (en)1968-02-271971-06-21Method of toughening glass
NO39372ANO128566B (en)1968-02-271972-02-11

Applications Claiming Priority (1)

Application NumberPriority DateFiling DateTitle
GB948468AGB1253681A (en)1968-02-271968-02-27Improvements in or relating to the toughening of glass

Publications (1)

Publication NumberPublication Date
GB1253681Atrue GB1253681A (en)1971-11-17

Family

ID=9872852

Family Applications (1)

Application NumberTitlePriority DateFiling Date
GB948468AExpiredGB1253681A (en)1968-02-271968-02-27Improvements in or relating to the toughening of glass

Country Status (14)

CountryLink
AT (1)AT316785B (en)
BE (1)BE729055A (en)
BR (1)BR6906720D0 (en)
CH (1)CH527776A (en)
CS (1)CS166692B2 (en)
DE (1)DE1910086C3 (en)
DK (1)DK137747B (en)
FR (1)FR2002674A1 (en)
GB (1)GB1253681A (en)
IE (1)IE33410B1 (en)
NL (1)NL6903047A (en)
PL (1)PL69829B1 (en)
SE (2)SE348451B (en)
ZM (1)ZM3469A1 (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
DE2434616A1 (en)*1973-07-201975-01-30Triplex Safety Glass Co METHOD OF HARDENING GLASS
US9296638B2 (en)2014-07-312016-03-29Corning IncorporatedThermally tempered glass and methods and apparatuses for thermal tempering of glass
CN112624585A (en)*2020-12-072021-04-09宁波大学Method for manufacturing physical toughened glass cylindrical rod
CN113528787A (en)*2021-07-202021-10-22南京劲拓机械有限公司Improve heat treatment system of carburization part quenching hardness HRC58 platform
US11485673B2 (en)2017-08-242022-11-01Corning IncorporatedGlasses with improved tempering capabilities
CN115521052A (en)*2022-10-122022-12-27索奥斯(广东)玻璃技术股份有限公司Glass tempering production line using double-chamber heating furnace
US11643355B2 (en)2016-01-122023-05-09Corning IncorporatedThin thermally and chemically strengthened glass-based articles
US11697617B2 (en)2019-08-062023-07-11Corning IncorporatedGlass laminate with buried stress spikes to arrest cracks and methods of making the same
US11708296B2 (en)2017-11-302023-07-25Corning IncorporatedNon-iox glasses with high coefficient of thermal expansion and preferential fracture behavior for thermal tempering
US11795102B2 (en)2016-01-262023-10-24Corning IncorporatedNon-contact coated glass and related coating system and method
US11891324B2 (en)2014-07-312024-02-06Corning IncorporatedThermally strengthened consumer electronic glass and related systems and methods
US12064938B2 (en)2019-04-232024-08-20Corning IncorporatedGlass laminates having determined stress profiles and methods of making the same
US12338159B2 (en)2015-07-302025-06-24Corning IncorporatedThermally strengthened consumer electronic glass and related systems and methods

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
DE3001944C2 (en)*1980-01-211982-04-29Schott Glaswerke, 6500 Mainz Process for the thermal toughening of glass
US4445921A (en)*1983-01-241984-05-01Ppg Industries, Inc.Tempering glass sheets by cooling comprising sublimation quenching
US8234883B2 (en)2005-11-292012-08-07Ppg Industries Ohio, Inc.Apparatus and method for tempering glass sheets

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
NL48420C (en)*1936-11-05
BE425382A (en)*1936-12-22
US2365967A (en)*1939-06-221944-12-26American Securit CoMethod of tempering glass
US3169900A (en)*1955-01-311965-02-16Libbey Owens Ford Glass CoStress pattern tempered glass sheet and method of making the same
LU36540A1 (en)*1957-10-30

Cited By (24)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
DE2434616A1 (en)*1973-07-201975-01-30Triplex Safety Glass Co METHOD OF HARDENING GLASS
US11891324B2 (en)2014-07-312024-02-06Corning IncorporatedThermally strengthened consumer electronic glass and related systems and methods
US10233111B2 (en)2014-07-312019-03-19Corning IncorporatedThermally tempered glass and methods and apparatuses for thermal tempering of glass
US9783448B2 (en)2014-07-312017-10-10Corning IncorporatedThin dicing glass article
US9802853B2 (en)2014-07-312017-10-31Corning IncorporatedFictive temperature in damage-resistant glass having improved mechanical characteristics
US9975801B2 (en)2014-07-312018-05-22Corning IncorporatedHigh strength glass having improved mechanical characteristics
US10005691B2 (en)2014-07-312018-06-26Corning IncorporatedDamage resistant glass article
US10077204B2 (en)2014-07-312018-09-18Corning IncorporatedThin safety glass having improved mechanical characteristics
US9296638B2 (en)2014-07-312016-03-29Corning IncorporatedThermally tempered glass and methods and apparatuses for thermal tempering of glass
US9776905B2 (en)2014-07-312017-10-03Corning IncorporatedHighly strengthened glass article
US12338159B2 (en)2015-07-302025-06-24Corning IncorporatedThermally strengthened consumer electronic glass and related systems and methods
US11643355B2 (en)2016-01-122023-05-09Corning IncorporatedThin thermally and chemically strengthened glass-based articles
US11795102B2 (en)2016-01-262023-10-24Corning IncorporatedNon-contact coated glass and related coating system and method
US11485673B2 (en)2017-08-242022-11-01Corning IncorporatedGlasses with improved tempering capabilities
US11708296B2 (en)2017-11-302023-07-25Corning IncorporatedNon-iox glasses with high coefficient of thermal expansion and preferential fracture behavior for thermal tempering
US12410090B2 (en)2017-11-302025-09-09Corning IncorporatedNon-iox glasses with high coefficient of thermal expansion and preferential fracture behavior for thermal tempering
US12064938B2 (en)2019-04-232024-08-20Corning IncorporatedGlass laminates having determined stress profiles and methods of making the same
US11697617B2 (en)2019-08-062023-07-11Corning IncorporatedGlass laminate with buried stress spikes to arrest cracks and methods of making the same
US12043575B2 (en)2019-08-062024-07-23Corning IncorporatedGlass laminate with buried stress spikes to arrest cracks and methods of making the same
CN112624585A (en)*2020-12-072021-04-09宁波大学Method for manufacturing physical toughened glass cylindrical rod
CN113528787A (en)*2021-07-202021-10-22南京劲拓机械有限公司Improve heat treatment system of carburization part quenching hardness HRC58 platform
CN113528787B (en)*2021-07-202022-08-09南京劲拓机械有限公司Improve heat treatment system of carburization part quenching hardness HRC58 platform
CN115521052B (en)*2022-10-122024-03-19索奥斯(广东)玻璃技术股份有限公司Glass tempering production line using double-chamber heating furnace
CN115521052A (en)*2022-10-122022-12-27索奥斯(广东)玻璃技术股份有限公司Glass tempering production line using double-chamber heating furnace

Also Published As

Publication numberPublication date
CH527776A (en)1972-09-15
IE33410L (en)1969-08-27
ZM3469A1 (en)1970-10-19
CS166692B2 (en)1976-03-29
SE366286B (en)1974-04-22
DE1910086C3 (en)1975-07-17
NL6903047A (en)1969-08-29
FR2002674A1 (en)1969-10-31
DK137747C (en)1978-10-09
DK137747B (en)1978-05-01
BR6906720D0 (en)1973-01-25
AT316785B (en)1974-07-25
DE1910086A1 (en)1969-10-02
BE729055A (en)1969-08-27
DE1910086B2 (en)1974-11-28
IE33410B1 (en)1974-06-26
SE348451B (en)1972-09-04
PL69829B1 (en)1973-10-31

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