CA1045384A - Fabrication du verre par flottage continu - Google Patents

Fabrication du verre par flottage continu

Info

Publication number: CA1045384A
Authority: CA; Canada
Prior art keywords: glass; molten; molten metal; conditioner; flow
Prior art date: 1973-03-06
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

CA282,239A

Other languages

English (en)

Inventor

Charles K. Edge

Gerald E. Kunkle

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.)

PPG Industries Inc

Original Assignee

PPG Industries Inc

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.)

1973-03-06

Filing date

1977-07-07

Publication date

1979-01-02

1973-03-06 Priority claimed from US00338497A external-priority patent/US3843346A/en

1977-07-07 Application filed by PPG Industries Inc filed Critical PPG Industries Inc

1979-01-02 Application granted granted Critical

1979-01-02 Publication of CA1045384A publication Critical patent/CA1045384A/fr

Status Expired legal-status Critical Current

Links

239000011521 glass Substances 0.000 title claims abstract description 290
238000004519 manufacturing process Methods 0.000 title claims description 16
238000006124 Pilkington process Methods 0.000 title abstract description 11
239000006060 molten glass Substances 0.000 claims abstract description 101
229910052751 metal Inorganic materials 0.000 claims abstract description 66
239000002184 metal Substances 0.000 claims abstract description 66
238000001816 cooling Methods 0.000 claims description 24
230000000452 restraining effect Effects 0.000 claims description 22
230000007935 neutral effect Effects 0.000 claims description 8
238000011144 upstream manufacturing Methods 0.000 claims description 7
238000007599 discharging Methods 0.000 claims description 5
230000003750 conditioning effect Effects 0.000 claims description 4
239000012530 fluid Substances 0.000 claims description 4
230000006854 communication Effects 0.000 claims description 3
238000004891 communication Methods 0.000 claims description 3
230000003287 optical effect Effects 0.000 abstract description 18
239000005357 flat glass Substances 0.000 abstract description 7
230000002238 attenuated effect Effects 0.000 abstract description 2
238000000034 method Methods 0.000 description 45
230000008569 process Effects 0.000 description 34
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 10
230000008901 benefit Effects 0.000 description 9
230000004888 barrier function Effects 0.000 description 7
239000000463 material Substances 0.000 description 7
ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 6
238000011161 development Methods 0.000 description 6
230000018109 developmental process Effects 0.000 description 6
239000000203 mixture Substances 0.000 description 6
BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 6
238000012545 processing Methods 0.000 description 6
230000015572 biosynthetic process Effects 0.000 description 5
239000005329 float glass Substances 0.000 description 5
238000010438 heat treatment Methods 0.000 description 5
230000001050 lubricating effect Effects 0.000 description 5
230000000694 effects Effects 0.000 description 4
238000007667 floating Methods 0.000 description 4
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
239000010408 film Substances 0.000 description 3
239000005350 fused silica glass Substances 0.000 description 3
239000007789 gas Substances 0.000 description 3
239000010439 graphite Substances 0.000 description 3
229910002804 graphite Inorganic materials 0.000 description 3
229910052697 platinum Inorganic materials 0.000 description 3
238000007670 refining Methods 0.000 description 3
150000003839 salts Chemical class 0.000 description 3
239000000523 sample Substances 0.000 description 3
239000000377 silicon dioxide Substances 0.000 description 3
238000009736 wetting Methods 0.000 description 3
ODPOAESBSUKMHD-UHFFFAOYSA-L 6,7-dihydrodipyrido[1,2-b:1',2'-e]pyrazine-5,8-diium;dibromide Chemical compound [Br-].[Br-].C1=CC=[N+]2CC[N+]3=CC=CC=C3C2=C1 ODPOAESBSUKMHD-UHFFFAOYSA-L 0.000 description 2
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
239000005630 Diquat Substances 0.000 description 2
ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
238000000137 annealing Methods 0.000 description 2
239000005391 art glass Substances 0.000 description 2
238000007796 conventional method Methods 0.000 description 2
238000005520 cutting process Methods 0.000 description 2
230000008030 elimination Effects 0.000 description 2
238000003379 elimination reaction Methods 0.000 description 2
238000002474 experimental method Methods 0.000 description 2
238000005816 glass manufacturing process Methods 0.000 description 2
230000002706 hydrostatic effect Effects 0.000 description 2
230000006872 improvement Effects 0.000 description 2
238000012423 maintenance Methods 0.000 description 2
238000002844 melting Methods 0.000 description 2
230000008018 melting Effects 0.000 description 2
238000002156 mixing Methods 0.000 description 2
229910052750 molybdenum Inorganic materials 0.000 description 2
239000011733 molybdenum Substances 0.000 description 2
239000004576 sand Substances 0.000 description 2
239000000126 substance Substances 0.000 description 2
238000012546 transfer Methods 0.000 description 2
239000002699 waste material Substances 0.000 description 2
229910052582 BN Inorganic materials 0.000 description 1
PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
229910001128 Sn alloy Inorganic materials 0.000 description 1
239000006096 absorbing agent Substances 0.000 description 1
229910045601 alloy Inorganic materials 0.000 description 1
239000000956 alloy Substances 0.000 description 1
239000010425 asbestos Substances 0.000 description 1
239000005388 borosilicate glass Substances 0.000 description 1
229910052681 coesite Inorganic materials 0.000 description 1
230000001143 conditioned effect Effects 0.000 description 1
238000010276 construction Methods 0.000 description 1
230000008602 contraction Effects 0.000 description 1
239000002826 coolant Substances 0.000 description 1
229910052906 cristobalite Inorganic materials 0.000 description 1
230000003247 decreasing effect Effects 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
238000000151 deposition Methods 0.000 description 1
230000001627 detrimental effect Effects 0.000 description 1
230000003292 diminished effect Effects 0.000 description 1
238000011143 downstream manufacturing Methods 0.000 description 1
230000009969 flowable effect Effects 0.000 description 1
239000001257 hydrogen Substances 0.000 description 1
229910052739 hydrogen Inorganic materials 0.000 description 1
239000011261 inert gas Substances 0.000 description 1
238000005304 joining Methods 0.000 description 1
239000000314 lubricant Substances 0.000 description 1
229910052757 nitrogen Inorganic materials 0.000 description 1
230000003647 oxidation Effects 0.000 description 1
238000007254 oxidation reaction Methods 0.000 description 1
238000012856 packing Methods 0.000 description 1
230000037361 pathway Effects 0.000 description 1
230000000704 physical effect Effects 0.000 description 1
238000005293 physical law Methods 0.000 description 1
108090000623 proteins and genes Proteins 0.000 description 1
BALXUFOVQVENIU-KXNXZCPBSA-N pseudoephedrine hydrochloride Chemical compound [H+].[Cl-].CN[C@@H](C)[C@@H](O)C1=CC=CC=C1 BALXUFOVQVENIU-KXNXZCPBSA-N 0.000 description 1
230000005855 radiation Effects 0.000 description 1
229910052895 riebeckite Inorganic materials 0.000 description 1
235000012239 silicon dioxide Nutrition 0.000 description 1
238000004088 simulation Methods 0.000 description 1
HUAUNKAZQWMVFY-UHFFFAOYSA-M sodium;oxocalcium;hydroxide Chemical compound [OH-].[Na+].[Ca]=O HUAUNKAZQWMVFY-UHFFFAOYSA-M 0.000 description 1
238000003892 spreading Methods 0.000 description 1
230000007480 spreading Effects 0.000 description 1
229910052682 stishovite Inorganic materials 0.000 description 1
239000013589 supplement Substances 0.000 description 1
239000010409 thin film Substances 0.000 description 1
229910052905 tridymite Inorganic materials 0.000 description 1

Classifications

- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates

Landscapes

Glass Compositions (AREA)

CA282,239A 1973-03-06 1977-07-07 Fabrication du verre par flottage continu Expired CA1045384A (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US00338497A US3843346A (en)	1973-03-06	1973-03-06	Manufacture of sheet glass by continuous float process
CA194,043A CA1035955A (fr)	1973-03-06	1974-03-05	Fabrication du verre par le procede de flottation en contiguite

Publications (1)

Publication Number	Publication Date
CA1045384A true CA1045384A (fr)	1979-01-02

Family

ID=25667503

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA282,239A Expired CA1045384A (fr)	1973-03-06	1977-07-07	Fabrication du verre par flottage continu

Country Status (1)

Country	Link
CA (1)	CA1045384A (fr)

1977
- 1977-07-07 CA CA282,239A patent/CA1045384A/fr not_active Expired

Publication	Publication Date	Title
US3843346A (en)	1974-10-22	Manufacture of sheet glass by continuous float process
US3509011A (en)	1970-04-28	Manufacture of flat glass
US2911759A (en)	1959-11-10	Manufacture of flat glass
US3843344A (en)	1974-10-22	Method of and apparatus for forming sheet glass on molten metal
US3926605A (en)	1975-12-16	Method and apparatus for forming a ribbon of glass on a molten metal bath
US3884665A (en)	1975-05-20	Flat glass manufacturing apparatus and method
US3615315A (en)	1971-10-26	Method and apparatus having sealing means and gaseous takeoff for float glass
US3770407A (en)	1973-11-06	Glass manufacturing methods
US3241937A (en)	1966-03-22	Method and apparatus for manufacture of float glass
US3843345A (en)	1974-10-22	Method and apparatus for delivery of molten glass to a float forming process
US4354866A (en)	1982-10-19	Method of bidirectionally attenuating glass in a float process with edge cooling
CN112321153B (zh)	2024-05-10	具有低晶体比例的热成型的玻璃制品及其制备方法和设备
US3512950A (en)	1970-05-19	Apparatus for making flat glass sheets
US4055407A (en)	1977-10-25	Apparatus for the manufacture of flat glass having a glass refractory delivery piece and method of installation
US3771986A (en)	1973-11-13	Continuously skimming viscous glass
US4091156A (en)	1978-05-23	Manufactured glass by contiguous float process
US3871854A (en)	1975-03-18	Manufacture of flat glass ribbons on a molten metal bath
US3264081A (en)	1966-08-02	Manufacture of flat glass
US3836349A (en)	1974-09-17	Method of making glass
CA1045384A (fr)	1979-01-02	Fabrication du verre par flottage continu
US3973940A (en)	1976-08-10	Delivery of molten glass to a glass forming process
EP0275533B1 (fr)	1990-09-12	Dispositif de délivrance pour un procédé de verre flotté
US4375370A (en)	1983-03-01	Thermal control in a method of bidirectionally attenuating glass in a float process
US3352657A (en)	1967-11-14	Method of attenuating a ribbon of glass on a molten metal bath
US3432283A (en)	1969-03-11	Process for manufacture of glass utilizing gas pressure for glass sizing