CA2384393C - Four utilise pour chauffer des feuilles de verre - Google Patents

Four utilise pour chauffer des feuilles de verre Download PDF

Info

Publication number: CA2384393C
Authority: CA; Canada
Prior art keywords: tube; sheet; heaters; furnace; heat
Prior art date: 1997-09-12
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 - Fee Related

Application number

CA002384393A

Other languages

English (en)

Other versions

CA2384393A1 (fr

Inventor

Joseph B. Kelly

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 Ohio Inc

Original Assignee

PPG Industries Ohio 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.)

1997-09-12

Filing date

1998-08-27

Publication date

2003-06-24

1997-09-12 Priority claimed from US08/928,785 external-priority patent/US5981920A/en

1998-08-27 Application filed by PPG Industries Ohio Inc filed Critical PPG Industries Ohio Inc

1999-03-12 Publication of CA2384393A1 publication Critical patent/CA2384393A1/fr

2003-06-24 Application granted granted Critical

2003-06-24 Publication of CA2384393C publication Critical patent/CA2384393C/fr

2018-08-27 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

238000010438 heat treatment Methods 0.000 title claims abstract description 49
239000011521 glass Substances 0.000 title description 57
229910001120 nichrome Inorganic materials 0.000 claims abstract description 7
TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims abstract description 5
239000000463 material Substances 0.000 claims description 9
238000000034 method Methods 0.000 claims description 5
VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
238000012544 monitoring process Methods 0.000 claims description 2
239000010453 quartz Substances 0.000 claims description 2
239000011819 refractory material Substances 0.000 claims description 2
HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 2
229910010271 silicon carbide Inorganic materials 0.000 claims description 2
238000007493 shaping process Methods 0.000 description 8
238000001816 cooling Methods 0.000 description 7
238000011144 upstream manufacturing Methods 0.000 description 5
239000011248 coating agent Substances 0.000 description 3
238000000576 coating method Methods 0.000 description 3
210000003298 dental enamel Anatomy 0.000 description 3
MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
230000000694 effects Effects 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
230000003287 optical effect Effects 0.000 description 2
238000013021 overheating Methods 0.000 description 2
230000005855 radiation Effects 0.000 description 2
230000002411 adverse Effects 0.000 description 1
239000000919 ceramic Substances 0.000 description 1
239000004020 conductor Substances 0.000 description 1
230000007547 defect Effects 0.000 description 1
KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
239000012777 electrically insulating material Substances 0.000 description 1
239000002320 enamel (paints) Substances 0.000 description 1
239000005350 fused silica glass Substances 0.000 description 1
238000009413 insulation Methods 0.000 description 1
230000007257 malfunction Effects 0.000 description 1
229910052863 mullite Inorganic materials 0.000 description 1
238000007790 scraping Methods 0.000 description 1
230000035939 shock Effects 0.000 description 1
230000001360 synchronised effect Effects 0.000 description 1
239000005341 toughened glass Substances 0.000 description 1

Landscapes

Resistance Heating (AREA)
Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)

CA002384393A 1997-09-12 1998-08-27 Four utilise pour chauffer des feuilles de verre Expired - Fee Related CA2384393C (fr)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
US08/928,785		1997-09-12
US08/928,785 US5981920A (en)	1997-09-12	1997-09-12	Furnace for heating glass sheets
CA002242780A CA2242780C (fr)	1997-09-12	1998-08-27	Four utilise pour chauffer des feuilles de verre

Related Parent Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002242780A Division CA2242780C (fr)	1997-09-12	1998-08-27	Four utilise pour chauffer des feuilles de verre

Publications (2)

Publication Number	Publication Date
CA2384393A1 CA2384393A1 (fr)	1999-03-12
CA2384393C true CA2384393C (fr)	2003-06-24

Family

ID=25680360

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002384393A Expired - Fee Related CA2384393C (fr)	1997-09-12	1998-08-27	Four utilise pour chauffer des feuilles de verre

Country Status (1)

Country	Link
CA (1)	CA2384393C (fr)

1998
- 1998-08-27 CA CA002384393A patent/CA2384393C/fr not_active Expired - Fee Related

Also Published As

Publication number	Publication date
CA2384393A1 (fr)	1999-03-12

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Legal Events

Date	Code	Title	Description
2002-05-30	EEER	Examination request
2006-08-28	MKLA	Lapsed