GB2068358A - Glass tempering using high- flow air cooling devices - Google Patents
Glass tempering using high- flow air cooling devices Download PDFInfo
- Publication number
- GB2068358A GB2068358A GB8101246A GB8101246A GB2068358A GB 2068358 A GB2068358 A GB 2068358A GB 8101246 A GB8101246 A GB 8101246A GB 8101246 A GB8101246 A GB 8101246A GB 2068358 A GB2068358 A GB 2068358A
- Authority
- GB
- United Kingdom
- Prior art keywords
- glass
- section
- elongated
- heating
- rollers
- 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.)
- Withdrawn
Links
- 239000011521 glass Substances 0.000 title claims abstract description 164
- 238000001816 cooling Methods 0.000 title claims abstract description 61
- 238000005496 tempering Methods 0.000 title claims abstract description 49
- 238000010791 quenching Methods 0.000 claims abstract description 85
- 238000010438 heat treatment Methods 0.000 claims abstract description 82
- 239000004744 fabric Substances 0.000 claims abstract description 5
- 239000010453 quartz Substances 0.000 claims description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 16
- 230000000712 assembly Effects 0.000 claims description 15
- 238000000429 assembly Methods 0.000 claims description 15
- 125000006850 spacer group Chemical class 0.000 claims description 14
- 239000000919 ceramic Substances 0.000 claims description 13
- 230000033001 locomotion Effects 0.000 claims description 11
- 230000000171 quenching effect Effects 0.000 claims description 11
- 230000000717 retained effect Effects 0.000 claims description 11
- 239000007769 metal material Substances 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 claims description 3
- 239000005341 toughened glass Substances 0.000 claims description 3
- 239000013536 elastomeric material Substances 0.000 claims 1
- 239000004809 Teflon Substances 0.000 abstract description 6
- 229920006362 Teflon® Polymers 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 5
- 229920002379 silicone rubber Polymers 0.000 abstract description 4
- 239000004945 silicone rubber Substances 0.000 abstract description 4
- 229920001296 polysiloxane Polymers 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 239000005357 flat glass Substances 0.000 description 12
- 239000000463 material Substances 0.000 description 12
- 239000002184 metal Substances 0.000 description 11
- 239000000047 product Substances 0.000 description 10
- 239000002245 particle Substances 0.000 description 8
- 239000002826 coolant Substances 0.000 description 7
- 238000005452 bending Methods 0.000 description 6
- CNQCVBJFEGMYDW-UHFFFAOYSA-N lawrencium atom Chemical compound [Lr] CNQCVBJFEGMYDW-UHFFFAOYSA-N 0.000 description 5
- 238000011068 loading method Methods 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000013021 overheating Methods 0.000 description 4
- 239000005060 rubber Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 239000005329 float glass Substances 0.000 description 3
- 238000007667 floating Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- XVMHQSDMKWQNBK-UHFFFAOYSA-N 2-[[3-(4-fluorophenyl)-4-oxo-6,7-dihydrothieno[3,2-d]pyrimidin-2-yl]sulfanyl]-n-(6-methyl-1,3-benzothiazol-2-yl)acetamide Chemical compound S1C2=CC(C)=CC=C2N=C1NC(=O)CSC1=NC=2CCSC=2C(=O)N1C1=CC=C(F)C=C1 XVMHQSDMKWQNBK-UHFFFAOYSA-N 0.000 description 1
- 241001379910 Ephemera danica Species 0.000 description 1
- 235000003332 Ilex aquifolium Nutrition 0.000 description 1
- 241000209027 Ilex aquifolium Species 0.000 description 1
- 206010021703 Indifference Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- -1 but not limited to Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 230000002079 cooperative effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000005336 safety glass Substances 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B27/00—Tempering or quenching glass products
- C03B27/04—Tempering or quenching glass products using gas
- C03B27/0404—Nozzles, blow heads, blowing units or their arrangements, specially adapted for flat or bent glass sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G13/00—Roller-ways
- B65G13/02—Roller-ways having driven rollers
- B65G13/06—Roller driving means
- B65G13/07—Roller driving means having endless driving elements
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B27/00—Tempering or quenching glass products
- C03B27/04—Tempering or quenching glass products using gas
- C03B27/0404—Nozzles, blow heads, blowing units or their arrangements, specially adapted for flat or bent glass sheets
- C03B27/0408—Nozzles, blow heads, blowing units or their arrangements, specially adapted for flat or bent glass sheets being dismountable
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B27/00—Tempering or quenching glass products
- C03B27/04—Tempering or quenching glass products using gas
- C03B27/044—Tempering or quenching glass products using gas for flat or bent glass sheets being in a horizontal position
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B29/00—Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins
- C03B29/04—Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins in a continuous way
- C03B29/06—Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins in a continuous way with horizontal displacement of the products
- C03B29/08—Glass sheets
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B35/00—Transporting of glass products during their manufacture, e.g. hot glass lenses, prisms
- C03B35/04—Transporting of hot hollow or semi-hollow glass products
- C03B35/06—Feeding of hot hollow glass products into annealing or heating kilns
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B35/00—Transporting of glass products during their manufacture, e.g. hot glass lenses, prisms
- C03B35/14—Transporting hot glass sheets or ribbons, e.g. by heat-resistant conveyor belts or bands
- C03B35/16—Transporting hot glass sheets or ribbons, e.g. by heat-resistant conveyor belts or bands by roller conveyors
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B35/00—Transporting of glass products during their manufacture, e.g. hot glass lenses, prisms
- C03B35/14—Transporting hot glass sheets or ribbons, e.g. by heat-resistant conveyor belts or bands
- C03B35/16—Transporting hot glass sheets or ribbons, e.g. by heat-resistant conveyor belts or bands by roller conveyors
- C03B35/163—Drive means, clutches, gearing or drive speed control means
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B35/00—Transporting of glass products during their manufacture, e.g. hot glass lenses, prisms
- C03B35/14—Transporting hot glass sheets or ribbons, e.g. by heat-resistant conveyor belts or bands
- C03B35/16—Transporting hot glass sheets or ribbons, e.g. by heat-resistant conveyor belts or bands by roller conveyors
- C03B35/165—Supports or couplings for roller ends, e.g. trunions, gudgeons
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B35/00—Transporting of glass products during their manufacture, e.g. hot glass lenses, prisms
- C03B35/14—Transporting hot glass sheets or ribbons, e.g. by heat-resistant conveyor belts or bands
- C03B35/16—Transporting hot glass sheets or ribbons, e.g. by heat-resistant conveyor belts or bands by roller conveyors
- C03B35/18—Construction of the conveyor rollers ; Materials, coatings or coverings thereof
- C03B35/181—Materials, coatings, loose coverings or sleeves thereof
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B35/00—Transporting of glass products during their manufacture, e.g. hot glass lenses, prisms
- C03B35/14—Transporting hot glass sheets or ribbons, e.g. by heat-resistant conveyor belts or bands
- C03B35/16—Transporting hot glass sheets or ribbons, e.g. by heat-resistant conveyor belts or bands by roller conveyors
- C03B35/18—Construction of the conveyor rollers ; Materials, coatings or coverings thereof
- C03B35/186—End caps, end fixtures or roller end shape designs
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B35/00—Transporting of glass products during their manufacture, e.g. hot glass lenses, prisms
- C03B35/14—Transporting hot glass sheets or ribbons, e.g. by heat-resistant conveyor belts or bands
- C03B35/16—Transporting hot glass sheets or ribbons, e.g. by heat-resistant conveyor belts or bands by roller conveyors
- C03B35/18—Construction of the conveyor rollers ; Materials, coatings or coverings thereof
- C03B35/189—Disc rollers
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
- Rollers For Roller Conveyors For Transfer (AREA)
- Tunnel Furnaces (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/113,828 US4300937A (en) | 1979-05-29 | 1980-01-21 | Quench devices, glass tempering furnaces, and methods of utilizing same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB2068358A true GB2068358A (en) | 1981-08-12 |
Family
ID=22351741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8101246A Withdrawn GB2068358A (en) | 1980-01-21 | 1981-01-15 | Glass tempering using high- flow air cooling devices |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4300937A ( ) |
| JP (1) | JPS56104730A ( ) |
| AU (1) | AU6568180A ( ) |
| BE (1) | BE887148A ( ) |
| DE (1) | DE3101839A1 ( ) |
| GB (1) | GB2068358A ( ) |
| IT (1) | IT1135117B ( ) |
| NL (1) | NL8100254A ( ) |
| SE (1) | SE8009191L ( ) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0114168A1 (de) * | 1983-01-21 | 1984-08-01 | Karl-Heinz Dipl.-Ing. Dicks | Vorrichtung zum Wölben von Glasscheiben |
| US4586946A (en) * | 1983-02-07 | 1986-05-06 | Carl Kramer | Equipment for curving glass sheets |
| FR2592371A1 (fr) * | 1985-12-27 | 1987-07-03 | Central Glass Co Ltd | Procede pour recuire une feuille de verre par trempe a l'air |
| EP2261179A3 (en) * | 2009-06-09 | 2013-09-18 | Mitsuboshi Diamond Industrial Co., Ltd. | Cooling nozzle, cooling method using the same, and brittle material substrate division method |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4349292A (en) * | 1980-01-21 | 1982-09-14 | The United States Of America As Represented By The Secretary Of The Navy | In-flight hydrophone deployment system for underwater vehicles |
| US4363163A (en) * | 1980-11-13 | 1982-12-14 | Mcmaster Harold | Quench roll including helically wrapped support |
| LU83201A1 (de) * | 1981-03-10 | 1983-02-22 | Lepi Sa | Verfahren und vorrichtung zum kontinuierlichen abschrecken von glastafeln |
| US4470838A (en) * | 1983-02-28 | 1984-09-11 | Glasstech, Inc. | Composite blasthead for quench station of glass sheet tempering system |
| FI76778C (fi) * | 1986-09-22 | 1988-12-12 | Kyro Oy | Foerfarande och anordning foer transport av glasskivor under upphettning och haerdning. |
| JP2848543B2 (ja) * | 1991-03-20 | 1999-01-20 | 日本板硝子株式会社 | 板状体の搬送装置 |
| US5752820A (en) * | 1996-08-27 | 1998-05-19 | Btu International, Inc. | Panel support mechanism |
| DE19916666C2 (de) * | 1999-04-14 | 2001-06-21 | Leybold Systems Gmbh | Vakuumkammer für flache Substrate |
| US6343489B1 (en) * | 1999-12-20 | 2002-02-05 | Visteon Global Technologies Inc. | Bending rail band guide |
| FI119421B (fi) * | 2004-02-20 | 2008-11-14 | Tamglass Ltd Oy | Laminoitujen lasilevyjen ilmanpoistouuni |
| JP4572693B2 (ja) * | 2005-02-10 | 2010-11-04 | 光洋サーモシステム株式会社 | 炉組立部品搬送装置を有する連続焼成炉 |
| US7281623B1 (en) * | 2006-04-18 | 2007-10-16 | Aquest Systems Corporation | Transport system including vertical rollers |
| US20070289843A1 (en) * | 2006-04-18 | 2007-12-20 | Barry Kitazumi | Conveyor System Including Offset Section |
| WO2008024520A2 (en) * | 2006-08-25 | 2008-02-28 | Aquest Systems Corporation | Conveyor transfer system |
| US20080050208A1 (en) * | 2006-08-25 | 2008-02-28 | Barry Kitazumi | High speed transporter including horizontal belt |
| US20090248190A1 (en) * | 2008-03-28 | 2009-10-01 | Spangler John M | Portable modular manufacturing system |
| CN102531365B (zh) * | 2010-12-30 | 2013-10-30 | 洛阳北方玻璃技术股份有限公司 | 半钢化玻璃的生产方法 |
| CN103992026B (zh) * | 2014-04-25 | 2016-01-13 | 浙江诸暨福莱特玻璃制品有限公司 | 一种改良型淋浴房玻璃钢化机组 |
| CN104829105B (zh) * | 2015-04-22 | 2017-08-25 | 湖州水平玻璃有限公司 | 一种玻璃钢化炉 |
| US11384983B2 (en) * | 2016-10-12 | 2022-07-12 | Tung Chang Machinery And Engineering Co., Ltd. | Glass heating furnace |
| KR102166471B1 (ko) * | 2017-09-20 | 2020-10-16 | 주식회사 엘지화학 | 유리 기판의 제조 방법 및 제조 장치 |
| CN109399915A (zh) * | 2018-12-17 | 2019-03-01 | 秦皇岛玻璃工业研究设计院有限公司 | 一种水淬法生产泡沫玻璃原料用捞料装置 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2348887A (en) * | 1938-06-02 | 1944-05-16 | Libbey Owens Ford Glass Co | Method of bending glass sheets |
| US2528865A (en) * | 1947-05-05 | 1950-11-07 | George R Dale | Endless belt conveyer drive |
| US3344903A (en) * | 1964-04-27 | 1967-10-03 | Standard Conveyor Co | Live roller conveyor |
| US3672861A (en) * | 1967-11-16 | 1972-06-27 | Libbey Owens Ford Co | Apparatus for tempering flat sheets or plates of glass |
| FR2118855B1 ( ) * | 1970-12-23 | 1976-09-17 | Saint Gobain | |
| US3994711A (en) * | 1975-09-15 | 1976-11-30 | Mcmaster Harold | Glass tempering system including oscillating roller furnace |
| US4028086A (en) * | 1976-02-25 | 1977-06-07 | Libbey-Owens-Ford Company | Apparatus for bending and tempering glass sheets by differential cooling |
| US4167997A (en) * | 1978-03-15 | 1979-09-18 | Libbey-Owens-Ford Company | Conveyor roll construction |
| US4133667A (en) * | 1978-03-20 | 1979-01-09 | Nitschke John Stephen | Conveyor drive mechanism for a glass sheet manufacturing system |
| US4204845A (en) * | 1978-09-25 | 1980-05-27 | Ppg Industries, Inc. | Method of heat treating moving glass sheets on modified gas bed |
-
1980
- 1980-01-21 US US06/113,828 patent/US4300937A/en not_active Expired - Lifetime
- 1980-12-23 AU AU65681/80A patent/AU6568180A/en not_active Abandoned
- 1980-12-30 SE SE8009191A patent/SE8009191L/ not_active Application Discontinuation
-
1981
- 1981-01-15 GB GB8101246A patent/GB2068358A/en not_active Withdrawn
- 1981-01-20 BE BE0/203537A patent/BE887148A/fr unknown
- 1981-01-20 NL NL8100254A patent/NL8100254A/nl not_active Application Discontinuation
- 1981-01-21 JP JP778281A patent/JPS56104730A/ja active Pending
- 1981-01-21 DE DE19813101839 patent/DE3101839A1/de not_active Withdrawn
- 1981-01-21 IT IT19250/81A patent/IT1135117B/it active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0114168A1 (de) * | 1983-01-21 | 1984-08-01 | Karl-Heinz Dipl.-Ing. Dicks | Vorrichtung zum Wölben von Glasscheiben |
| US4586946A (en) * | 1983-02-07 | 1986-05-06 | Carl Kramer | Equipment for curving glass sheets |
| FR2592371A1 (fr) * | 1985-12-27 | 1987-07-03 | Central Glass Co Ltd | Procede pour recuire une feuille de verre par trempe a l'air |
| EP2261179A3 (en) * | 2009-06-09 | 2013-09-18 | Mitsuboshi Diamond Industrial Co., Ltd. | Cooling nozzle, cooling method using the same, and brittle material substrate division method |
Also Published As
| Publication number | Publication date |
|---|---|
| IT1135117B (it) | 1986-08-20 |
| US4300937A (en) | 1981-11-17 |
| AU6568180A (en) | 1981-07-30 |
| DE3101839A1 (de) | 1981-12-24 |
| BE887148A (fr) | 1981-05-14 |
| JPS56104730A (en) | 1981-08-20 |
| SE8009191L (sv) | 1981-07-22 |
| IT8119250A0 (it) | 1981-01-21 |
| NL8100254A (nl) | 1981-08-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |