DE3310054A1 - Kernbrennstoffelement und verbundbehaelter dafuer - Google Patents
Kernbrennstoffelement und verbundbehaelter dafuerInfo
- Publication number
- DE3310054A1 DE3310054A1 DE19833310054 DE3310054A DE3310054A1 DE 3310054 A1 DE3310054 A1 DE 3310054A1 DE 19833310054 DE19833310054 DE 19833310054 DE 3310054 A DE3310054 A DE 3310054A DE 3310054 A1 DE3310054 A1 DE 3310054A1
- Authority
- DE
- Germany
- Prior art keywords
- composite container
- zirconium
- lining
- zirconium alloy
- substrate
- 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.)
- Ceased
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 69
- 239000003758 nuclear fuel Substances 0.000 title claims abstract description 63
- 229910001093 Zr alloy Inorganic materials 0.000 claims abstract description 88
- 239000000758 substrate Substances 0.000 claims abstract description 54
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims abstract description 45
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 45
- 239000000463 material Substances 0.000 claims abstract description 39
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000010955 niobium Substances 0.000 claims abstract description 38
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 37
- 229910045601 alloy Inorganic materials 0.000 claims description 16
- 239000000956 alloy Substances 0.000 claims description 16
- 150000001875 compounds Chemical class 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 239000006104 solid solution Substances 0.000 claims description 4
- 229910052778 Plutonium Inorganic materials 0.000 claims description 3
- 229910052770 Uranium Inorganic materials 0.000 claims description 3
- OYEHPCDNVJXUIW-UHFFFAOYSA-N plutonium atom Chemical compound [Pu] OYEHPCDNVJXUIW-UHFFFAOYSA-N 0.000 claims description 3
- DNYWZCXLKNTFFI-UHFFFAOYSA-N uranium Chemical compound [U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U] DNYWZCXLKNTFFI-UHFFFAOYSA-N 0.000 claims description 3
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 claims 2
- 229910052776 Thorium Inorganic materials 0.000 claims 2
- 241000723368 Conium Species 0.000 claims 1
- 229910001257 Nb alloy Inorganic materials 0.000 claims 1
- 230000001681 protective effect Effects 0.000 claims 1
- 230000007797 corrosion Effects 0.000 abstract description 17
- 238000005260 corrosion Methods 0.000 abstract description 17
- 230000004992 fission Effects 0.000 abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 13
- 230000003647 oxidation Effects 0.000 abstract description 6
- 238000007254 oxidation reaction Methods 0.000 abstract description 6
- 238000005336 cracking Methods 0.000 abstract description 3
- 238000005275 alloying Methods 0.000 abstract 1
- 238000011109 contamination Methods 0.000 abstract 1
- 239000000446 fuel Substances 0.000 description 33
- 230000035882 stress Effects 0.000 description 18
- 238000005253 cladding Methods 0.000 description 16
- 239000007789 gas Substances 0.000 description 13
- 239000000047 product Substances 0.000 description 13
- 230000004888 barrier function Effects 0.000 description 11
- 238000000576 coating method Methods 0.000 description 11
- 229910052751 metal Inorganic materials 0.000 description 11
- 239000002184 metal Substances 0.000 description 11
- 239000002826 coolant Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 9
- 239000010935 stainless steel Substances 0.000 description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 8
- 238000009792 diffusion process Methods 0.000 description 8
- 239000008188 pellet Substances 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000012535 impurity Substances 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 230000003993 interaction Effects 0.000 description 4
- 229910001338 liquidmetal Inorganic materials 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- OOAWCECZEHPMBX-UHFFFAOYSA-N oxygen(2-);uranium(4+) Chemical compound [O-2].[O-2].[U+4] OOAWCECZEHPMBX-UHFFFAOYSA-N 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- FCTBKIHDJGHPPO-UHFFFAOYSA-N uranium dioxide Inorganic materials O=[U]=O FCTBKIHDJGHPPO-UHFFFAOYSA-N 0.000 description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical group [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 239000011651 chromium Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000009713 electroplating Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 150000002431 hydrogen Chemical class 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000003776 cleavage reaction Methods 0.000 description 2
- 230000006735 deficit Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000002574 poison Substances 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000002285 radioactive effect Effects 0.000 description 2
- 230000007017 scission Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229910018125 Al-Si Inorganic materials 0.000 description 1
- 229910018520 Al—Si Inorganic materials 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 229910001128 Sn alloy Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- XNFDWBSCUUZWCI-UHFFFAOYSA-N [Zr].[Sn] Chemical compound [Zr].[Sn] XNFDWBSCUUZWCI-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012611 container material Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 101150044757 danr gene Proteins 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- CLDVQCMGOSGNIW-UHFFFAOYSA-N nickel tin Chemical compound [Ni].[Sn] CLDVQCMGOSGNIW-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- UTDLAEPMVCFGRJ-UHFFFAOYSA-N plutonium dihydrate Chemical compound O.O.[Pu] UTDLAEPMVCFGRJ-UHFFFAOYSA-N 0.000 description 1
- FLDALJIYKQCYHH-UHFFFAOYSA-N plutonium(IV) oxide Inorganic materials [O-2].[O-2].[Pu+4] FLDALJIYKQCYHH-UHFFFAOYSA-N 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000005510 radiation hardening Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 229910052702 rhenium Inorganic materials 0.000 description 1
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 150000003586 thorium compounds Chemical class 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
- 150000003754 zirconium Chemical class 0.000 description 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
- G21C3/02—Fuel elements
- G21C3/04—Constructional details
- G21C3/16—Details of the construction within the casing
- G21C3/20—Details of the construction within the casing with coating on fuel or on inside of casing; with non-active interlayer between casing and active material with multiple casings or multiple active layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C16/00—Alloys based on zirconium
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Materials Engineering (AREA)
- High Energy & Nuclear Physics (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
- Laminated Bodies (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Chemically Coating (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Physical Vapour Deposition (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US36395682A | 1982-03-31 | 1982-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE3310054A1 true DE3310054A1 (de) | 1983-10-13 |
Family
ID=23432437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19833310054 Ceased DE3310054A1 (de) | 1982-03-31 | 1983-03-19 | Kernbrennstoffelement und verbundbehaelter dafuer |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS58195185A (enrdf_load_stackoverflow) |
| BE (1) | BE896318A (enrdf_load_stackoverflow) |
| CA (1) | CA1198231A (enrdf_load_stackoverflow) |
| DE (1) | DE3310054A1 (enrdf_load_stackoverflow) |
| ES (1) | ES8605119A1 (enrdf_load_stackoverflow) |
| IT (1) | IT1160767B (enrdf_load_stackoverflow) |
| SE (1) | SE462307B (enrdf_load_stackoverflow) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2561431A1 (fr) * | 1984-03-14 | 1985-09-20 | Westinghouse Electric Corp | Tubes de gainage pour element de combustible nucleaire |
| EP0194797A1 (en) * | 1985-03-08 | 1986-09-17 | Westinghouse Electric Corporation | Water reactor fuel element cladding tube |
| EP0195155A1 (en) * | 1985-03-08 | 1986-09-24 | Westinghouse Electric Corporation | Water reactor fuel cladding tubes |
| EP0195154A1 (en) * | 1985-03-08 | 1986-09-24 | Westinghouse Electric Corporation | Water reactor fuel cladding tubes |
| EP0155168A3 (en) * | 1984-03-14 | 1986-10-01 | Westinghouse Electric Corporation | Nuclear fuel element cladding tubes |
| EP0155167A3 (en) * | 1984-03-14 | 1986-10-08 | Westinghouse Electric Corporation | Cladding tubes for containing nuclear fuel material |
| US4775508A (en) * | 1985-03-08 | 1988-10-04 | Westinghouse Electric Corp. | Zirconium alloy fuel cladding resistant to PCI crack propagation |
| EP0301295A1 (de) * | 1987-07-21 | 1989-02-01 | Siemens Aktiengesellschaft | Brennstab für ein Kernreaktorbrennelement |
| US4933136A (en) * | 1985-03-08 | 1990-06-12 | Westinghouse Electric Corp. | Water reactor fuel cladding |
| US7292671B1 (en) | 1998-12-11 | 2007-11-06 | Westinghouse Electric Sweden Ab | Zirconium based alloy and component in a nuclear energy plant |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5958389A (ja) * | 1982-09-29 | 1984-04-04 | 日本核燃料開発株式会社 | 核燃料要素 |
| US4894203A (en) * | 1988-02-05 | 1990-01-16 | General Electric Company | Nuclear fuel element having oxidation resistant cladding |
| US4971753A (en) * | 1989-06-23 | 1990-11-20 | General Electric Company | Nuclear fuel element, and method of forming same |
-
1983
- 1983-03-02 ES ES520223A patent/ES8605119A1/es not_active Expired
- 1983-03-11 CA CA000423387A patent/CA1198231A/en not_active Expired
- 1983-03-19 DE DE19833310054 patent/DE3310054A1/de not_active Ceased
- 1983-03-25 IT IT20296/83A patent/IT1160767B/it active
- 1983-03-30 SE SE8301815A patent/SE462307B/sv not_active IP Right Cessation
- 1983-03-30 BE BE0/210441A patent/BE896318A/fr not_active IP Right Cessation
- 1983-03-31 JP JP58054059A patent/JPS58195185A/ja active Granted
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2561431A1 (fr) * | 1984-03-14 | 1985-09-20 | Westinghouse Electric Corp | Tubes de gainage pour element de combustible nucleaire |
| EP0155168A3 (en) * | 1984-03-14 | 1986-10-01 | Westinghouse Electric Corporation | Nuclear fuel element cladding tubes |
| EP0155167A3 (en) * | 1984-03-14 | 1986-10-08 | Westinghouse Electric Corporation | Cladding tubes for containing nuclear fuel material |
| EP0194797A1 (en) * | 1985-03-08 | 1986-09-17 | Westinghouse Electric Corporation | Water reactor fuel element cladding tube |
| EP0195155A1 (en) * | 1985-03-08 | 1986-09-24 | Westinghouse Electric Corporation | Water reactor fuel cladding tubes |
| EP0195154A1 (en) * | 1985-03-08 | 1986-09-24 | Westinghouse Electric Corporation | Water reactor fuel cladding tubes |
| US4775508A (en) * | 1985-03-08 | 1988-10-04 | Westinghouse Electric Corp. | Zirconium alloy fuel cladding resistant to PCI crack propagation |
| US4933136A (en) * | 1985-03-08 | 1990-06-12 | Westinghouse Electric Corp. | Water reactor fuel cladding |
| EP0301295A1 (de) * | 1987-07-21 | 1989-02-01 | Siemens Aktiengesellschaft | Brennstab für ein Kernreaktorbrennelement |
| US4963316A (en) * | 1987-07-21 | 1990-10-16 | Siemens Aktiengesellschaft | Fuel rod for a nuclear reactor fuel assembly |
| US7292671B1 (en) | 1998-12-11 | 2007-11-06 | Westinghouse Electric Sweden Ab | Zirconium based alloy and component in a nuclear energy plant |
| EP1149180B2 (en) † | 1998-12-11 | 2008-12-31 | Westinghouse Electric Sweden AB | Zirconium based alloy and component in a nuclear energy plant |
Also Published As
| Publication number | Publication date |
|---|---|
| BE896318A (fr) | 1983-09-30 |
| JPH033917B2 (enrdf_load_stackoverflow) | 1991-01-21 |
| IT8320296A0 (it) | 1983-03-25 |
| SE462307B (sv) | 1990-05-28 |
| ES8605119A1 (es) | 1986-02-16 |
| SE8301815D0 (sv) | 1983-03-30 |
| JPS58195185A (ja) | 1983-11-14 |
| CA1198231A (en) | 1985-12-17 |
| ES520223A0 (es) | 1986-02-16 |
| IT1160767B (it) | 1987-03-11 |
| SE8301815L (sv) | 1983-10-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| 8131 | Rejection |