JPS6235417B2 - - Google Patents
Info
- Publication number
- JPS6235417B2 JPS6235417B2 JP56209850A JP20985081A JPS6235417B2 JP S6235417 B2 JPS6235417 B2 JP S6235417B2 JP 56209850 A JP56209850 A JP 56209850A JP 20985081 A JP20985081 A JP 20985081A JP S6235417 B2 JPS6235417 B2 JP S6235417B2
- Authority
- JP
- Japan
- Prior art keywords
- resin
- granular
- weight
- resin composition
- powdered
- 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
Links
- 229920005989 resin Polymers 0.000 claims description 207
- 239000011347 resin Substances 0.000 claims description 207
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 101
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical group OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 94
- 239000011342 resin composition Substances 0.000 claims description 70
- 239000000945 filler Substances 0.000 claims description 54
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 48
- 239000000463 material Substances 0.000 claims description 34
- 229920003987 resole Polymers 0.000 claims description 34
- 239000002245 particle Substances 0.000 claims description 32
- 229920001187 thermosetting polymer Polymers 0.000 claims description 32
- 229920003986 novolac Polymers 0.000 claims description 31
- 239000000203 mixture Substances 0.000 claims description 30
- 150000002989 phenols Chemical class 0.000 claims description 29
- 238000010521 absorption reaction Methods 0.000 claims description 28
- 239000000843 powder Substances 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 21
- 239000000126 substance Substances 0.000 claims description 18
- 239000008187 granular material Substances 0.000 claims description 13
- 239000011164 primary particle Substances 0.000 claims description 13
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 12
- 239000000835 fiber Substances 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 11
- 238000000862 absorption spectrum Methods 0.000 claims description 11
- 230000021736 acetylation Effects 0.000 claims description 11
- 238000006640 acetylation reaction Methods 0.000 claims description 11
- 239000003365 glass fiber Substances 0.000 claims description 11
- 230000004927 fusion Effects 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 9
- 239000003822 epoxy resin Substances 0.000 claims description 8
- 239000007849 furan resin Substances 0.000 claims description 8
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 claims description 8
- 229920000647 polyepoxide Polymers 0.000 claims description 8
- 238000000691 measurement method Methods 0.000 claims description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 6
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 claims description 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 235000013312 flour Nutrition 0.000 claims description 6
- 239000002023 wood Substances 0.000 claims description 6
- 229920000877 Melamine resin Polymers 0.000 claims description 5
- 239000004640 Melamine resin Substances 0.000 claims description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 4
- 239000004952 Polyamide Substances 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 229920002647 polyamide Polymers 0.000 claims description 4
- 238000010992 reflux Methods 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 claims description 3
- 239000010425 asbestos Substances 0.000 claims description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
- 238000000921 elemental analysis Methods 0.000 claims description 3
- 238000011049 filling Methods 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 3
- 238000004811 liquid chromatography Methods 0.000 claims description 3
- 229910052895 riebeckite Inorganic materials 0.000 claims description 3
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 2
- 239000005909 Kieselgur Substances 0.000 claims description 2
- 229920001807 Urea-formaldehyde Polymers 0.000 claims description 2
- 229910000410 antimony oxide Inorganic materials 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 239000000378 calcium silicate Substances 0.000 claims description 2
- 229910052918 calcium silicate Inorganic materials 0.000 claims description 2
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims description 2
- 239000004917 carbon fiber Substances 0.000 claims description 2
- 239000004927 clay Substances 0.000 claims description 2
- 229910052570 clay Inorganic materials 0.000 claims description 2
- 239000011147 inorganic material Substances 0.000 claims description 2
- 239000000395 magnesium oxide Substances 0.000 claims description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 2
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 235000011007 phosphoric acid Nutrition 0.000 claims description 2
- 229910010272 inorganic material Inorganic materials 0.000 claims 1
- 239000000047 product Substances 0.000 description 68
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 26
- 238000006243 chemical reaction Methods 0.000 description 26
- 239000007864 aqueous solution Substances 0.000 description 25
- 229920001568 phenolic resin Polymers 0.000 description 23
- 239000000243 solution Substances 0.000 description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 23
- 238000003756 stirring Methods 0.000 description 22
- 239000007787 solid Substances 0.000 description 17
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 16
- 239000007795 chemical reaction product Substances 0.000 description 14
- 238000004519 manufacturing process Methods 0.000 description 12
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 11
- 239000011159 matrix material Substances 0.000 description 11
- 238000012360 testing method Methods 0.000 description 11
- 238000001723 curing Methods 0.000 description 10
- WTDFFADXONGQOM-UHFFFAOYSA-N formaldehyde;hydrochloride Chemical compound Cl.O=C WTDFFADXONGQOM-UHFFFAOYSA-N 0.000 description 10
- 238000005259 measurement Methods 0.000 description 10
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 9
- 238000000465 moulding Methods 0.000 description 9
- 239000002904 solvent Substances 0.000 description 9
- 239000011521 glass Substances 0.000 description 8
- 239000004312 hexamethylene tetramine Substances 0.000 description 8
- 235000010299 hexamethylene tetramine Nutrition 0.000 description 8
- 238000002156 mixing Methods 0.000 description 8
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 6
- 239000003431 cross linking reagent Substances 0.000 description 5
- 238000010292 electrical insulation Methods 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- -1 nitrogen-containing compound Chemical class 0.000 description 5
- 239000005011 phenolic resin Substances 0.000 description 5
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 4
- 229910021529 ammonia Inorganic materials 0.000 description 4
- 235000011114 ammonium hydroxide Nutrition 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 4
- 229920001477 hydrophilic polymer Polymers 0.000 description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- RLSSMJSEOOYNOY-UHFFFAOYSA-N m-cresol Chemical compound CC1=CC=CC(O)=C1 RLSSMJSEOOYNOY-UHFFFAOYSA-N 0.000 description 4
- QWVGKYWNOKOFNN-UHFFFAOYSA-N o-cresol Chemical compound CC1=CC=CC=C1O QWVGKYWNOKOFNN-UHFFFAOYSA-N 0.000 description 4
- IWDCLRJOBJJRNH-UHFFFAOYSA-N p-cresol Chemical compound CC1=CC=C(O)C=C1 IWDCLRJOBJJRNH-UHFFFAOYSA-N 0.000 description 4
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 239000002655 kraft paper Substances 0.000 description 3
- 239000002243 precursor Substances 0.000 description 3
- 230000009257 reactivity Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000004566 IR spectroscopy Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 150000001555 benzenes Chemical class 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- YXVFYQXJAXKLAK-UHFFFAOYSA-N biphenyl-4-ol Chemical compound C1=CC(O)=CC=C1C1=CC=CC=C1 YXVFYQXJAXKLAK-UHFFFAOYSA-N 0.000 description 2
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 2
- 238000011088 calibration curve Methods 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 239000003085 diluting agent Substances 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- SLGWESQGEUXWJQ-UHFFFAOYSA-N formaldehyde;phenol Chemical compound O=C.OC1=CC=CC=C1 SLGWESQGEUXWJQ-UHFFFAOYSA-N 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- IXCSERBJSXMMFS-UHFFFAOYSA-N hcl hcl Chemical compound Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 2
- 238000004128 high performance liquid chromatography Methods 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 239000011859 microparticle Substances 0.000 description 2
- 239000012778 molding material Substances 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 235000006408 oxalic acid Nutrition 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 125000002256 xylenyl group Chemical class C1(C(C=CC=C1)C)(C)* 0.000 description 2
- QTWJRLJHJPIABL-UHFFFAOYSA-N 2-methylphenol;3-methylphenol;4-methylphenol Chemical compound CC1=CC=C(O)C=C1.CC1=CC=CC(O)=C1.CC1=CC=CC=C1O QTWJRLJHJPIABL-UHFFFAOYSA-N 0.000 description 1
- 229930185605 Bisphenol Natural products 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229920000784 Nomex Polymers 0.000 description 1
- 229930040373 Paraformaldehyde Natural products 0.000 description 1
- 241000220317 Rosa Species 0.000 description 1
- 241000975357 Salangichthys microdon Species 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003377 acid catalyst Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000004840 adhesive resin Substances 0.000 description 1
- 229920006223 adhesive resin Polymers 0.000 description 1
- CBHOOMGKXCMKIR-UHFFFAOYSA-N azane;methanol Chemical compound N.OC CBHOOMGKXCMKIR-UHFFFAOYSA-N 0.000 description 1
- 238000010533 azeotropic distillation Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000012295 chemical reaction liquid Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000008406 cosmetic ingredient Substances 0.000 description 1
- 229930003836 cresol Natural products 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000003480 eluent Substances 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 238000012812 general test Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
- 239000012760 heat stabilizer Substances 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical class [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 239000004763 nomex Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 238000000879 optical micrograph Methods 0.000 description 1
- 150000007530 organic bases Chemical class 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 229920002866 paraformaldehyde Polymers 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 239000012254 powdered material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000011973 solid acid Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000008247 solid mixture Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 239000013638 trimer Substances 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Phenolic Resins Or Amino Resins (AREA)
Description
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Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20985081A JPS58113243A (ja) | 1981-12-28 | 1981-12-28 | ç±ç¡¬ååã®æš¹èçµæç© |
| CA000418308A CA1200039A (en) | 1981-12-26 | 1982-12-22 | Resin composition containing granular or powdery phenol-aldehyde resin |
| IT24953/82A IT1153878B (it) | 1981-12-26 | 1982-12-23 | Composizione di resina contenente una resina fenolo-aldeide granulare oppure polverulenta |
| US06/452,737 US4476277A (en) | 1981-12-26 | 1982-12-23 | Resin composition containing granular or powdery phenol-aldehyde resin |
| KR8205822A KR860002040B1 (ko) | 1981-12-26 | 1982-12-27 | ì ì ëë ë¶ë§ìì íë-ìë°íë ìì§ë¥Œ íšì íë ìì§ ì¡°ì±ë¬Œ |
| US06/619,950 US4598110A (en) | 1981-12-26 | 1984-06-12 | Resin composition containing granular or powdery phenol-aldehyde resin |
| US06/619,833 US4558089A (en) | 1981-12-26 | 1984-06-12 | Resin composition containing granular or powdery phenol-aldehyde resin |
| US06/758,025 US4596845A (en) | 1981-12-26 | 1985-07-23 | Resin composition containing granular or powdery phenol-aldehyde resin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20985081A JPS58113243A (ja) | 1981-12-28 | 1981-12-28 | ç±ç¡¬ååã®æš¹èçµæç© |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58113243A JPS58113243A (ja) | 1983-07-06 |
| JPS6235417B2 true JPS6235417B2 (ja) | 1987-08-01 |
Family
ID=16579651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20985081A Granted JPS58113243A (ja) | 1981-12-26 | 1981-12-28 | ç±ç¡¬ååã®æš¹èçµæç© |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58113243A (ja) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3270312B2 (ja) * | 1995-10-24 | 2002-04-02 | æ¥æ¬ã«ãŒãã€ãå·¥æ¥æ ªåŒäŒç€Ÿ | éåæž æçšæš¹èçµæç©ã¿ãã¬ãã |
| JP3270315B2 (ja) * | 1995-10-31 | 2002-04-02 | æ¥æ¬ã«ãŒãã€ãå·¥æ¥æ ªåŒäŒç€Ÿ | éåæž æçšæš¹èçµæç©ã¿ãã¬ãã |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6230211A (ja) * | 1985-08-01 | 1987-02-09 | Olympus Optical Co Ltd | å èŠé¡è£ 眮 |
-
1981
- 1981-12-28 JP JP20985081A patent/JPS58113243A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6230211A (ja) * | 1985-08-01 | 1987-02-09 | Olympus Optical Co Ltd | å èŠé¡è£ 眮 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58113243A (ja) | 1983-07-06 |
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