CA1175665A - Abrasive article - Google Patents
Abrasive articleInfo
- Publication number
- CA1175665A CA1175665A CA000391817A CA391817A CA1175665A CA 1175665 A CA1175665 A CA 1175665A CA 000391817 A CA000391817 A CA 000391817A CA 391817 A CA391817 A CA 391817A CA 1175665 A CA1175665 A CA 1175665A
- Authority
- CA
- Canada
- Prior art keywords
- support material
- abrasive
- article
- porosity
- grains
- 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
- 239000000463 material Substances 0.000 claims abstract description 57
- 229920005989 resin Polymers 0.000 claims abstract description 44
- 239000011347 resin Substances 0.000 claims abstract description 44
- 239000006061 abrasive grain Substances 0.000 claims abstract description 26
- 239000007822 coupling agent Substances 0.000 claims abstract description 21
- 239000011521 glass Substances 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims description 53
- 239000000080 wetting agent Substances 0.000 claims description 16
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical group [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 15
- 229910000077 silane Inorganic materials 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 13
- 239000002245 particle Substances 0.000 claims description 10
- 229920000647 polyepoxide Polymers 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000003822 epoxy resin Substances 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 6
- 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 claims description 5
- 229920001568 phenolic resin Polymers 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000005011 phenolic resin Substances 0.000 claims description 4
- 229920006287 phenoxy resin Polymers 0.000 claims description 3
- 239000013034 phenoxy resin Substances 0.000 claims description 3
- 238000011049 filling Methods 0.000 claims description 2
- 239000003039 volatile agent Substances 0.000 claims 2
- 239000006087 Silane Coupling Agent Substances 0.000 claims 1
- 230000001413 cellular effect Effects 0.000 claims 1
- 238000005470 impregnation Methods 0.000 claims 1
- 238000000227 grinding Methods 0.000 abstract description 15
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 8
- 239000000047 product Substances 0.000 description 25
- 239000011148 porous material Substances 0.000 description 13
- KUBDPQJOLOUJRM-UHFFFAOYSA-N 2-(chloromethyl)oxirane;4-[2-(4-hydroxyphenyl)propan-2-yl]phenol Chemical compound ClCC1CO1.C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 KUBDPQJOLOUJRM-UHFFFAOYSA-N 0.000 description 7
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 7
- 239000011324 bead Substances 0.000 description 6
- 238000000465 moulding Methods 0.000 description 6
- 239000004593 Epoxy Substances 0.000 description 5
- 238000001723 curing Methods 0.000 description 5
- 239000004615 ingredient Substances 0.000 description 5
- 238000001238 wet grinding Methods 0.000 description 5
- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 description 4
- 229920003986 novolac Polymers 0.000 description 4
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 229920003987 resole Polymers 0.000 description 4
- 206010042674 Swelling Diseases 0.000 description 3
- 150000008064 anhydrides Chemical class 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000009837 dry grinding Methods 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- XPFVYQJUAUNWIW-UHFFFAOYSA-N furfuryl alcohol Chemical compound OCC1=CC=CO1 XPFVYQJUAUNWIW-UHFFFAOYSA-N 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 3
- 150000004756 silanes Chemical class 0.000 description 3
- 230000008961 swelling Effects 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 229920003319 Araldite® Polymers 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 239000007767 bonding agent Substances 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- UHZZMRAGKVHANO-UHFFFAOYSA-M chlormequat chloride Chemical compound [Cl-].C[N+](C)(C)CCCl UHZZMRAGKVHANO-UHFFFAOYSA-M 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 2
- 238000007731 hot pressing Methods 0.000 description 2
- 238000010348 incorporation Methods 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 239000004850 liquid epoxy resins (LERs) Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 description 1
- WHRZCXAVMTUTDD-UHFFFAOYSA-N 1h-furo[2,3-d]pyrimidin-2-one Chemical compound N1C(=O)N=C2OC=CC2=C1 WHRZCXAVMTUTDD-UHFFFAOYSA-N 0.000 description 1
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- ZYUVGYBAPZYKSA-UHFFFAOYSA-N 5-(3-hydroxybutan-2-yl)-4-methylbenzene-1,3-diol Chemical compound CC(O)C(C)C1=CC(O)=CC(O)=C1C ZYUVGYBAPZYKSA-UHFFFAOYSA-N 0.000 description 1
- ULKLGIFJWFIQFF-UHFFFAOYSA-N 5K8XI641G3 Chemical compound CCC1=NC=C(C)N1 ULKLGIFJWFIQFF-UHFFFAOYSA-N 0.000 description 1
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 235000006173 Larrea tridentata Nutrition 0.000 description 1
- 244000073231 Larrea tridentata Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229920000180 alkyd Polymers 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 229940095564 anhydrous calcium sulfate Drugs 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004581 coalescence Methods 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 229960002126 creosote Drugs 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- NHADDZMCASKINP-HTRCEHHLSA-N decarboxydihydrocitrinin Natural products C1=C(O)C(C)=C2[C@H](C)[C@@H](C)OCC2=C1O NHADDZMCASKINP-HTRCEHHLSA-N 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- SLGWESQGEUXWJQ-UHFFFAOYSA-N formaldehyde;phenol Chemical compound O=C.OC1=CC=CC=C1 SLGWESQGEUXWJQ-UHFFFAOYSA-N 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000002223 garnet Substances 0.000 description 1
- 235000010299 hexamethylene tetramine Nutrition 0.000 description 1
- 239000004312 hexamethylene tetramine Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000013035 low temperature curing Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000004005 microsphere Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 239000010450 olivine Substances 0.000 description 1
- 229910052609 olivine Inorganic materials 0.000 description 1
- 229920003217 poly(methylsilsesquioxane) Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000008262 pumice Substances 0.000 description 1
- 239000002516 radical scavenger Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 235000020357 syrup Nutrition 0.000 description 1
- 239000006188 syrup Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/34—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties
- B24D3/342—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties incorporated in the bonding agent
- B24D3/344—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties incorporated in the bonding agent the bonding agent being organic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
- B24D3/20—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially organic
- B24D3/28—Resins or natural or synthetic macromolecular compounds
- B24D3/32—Resins or natural or synthetic macromolecular compounds for porous or cellular structure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US23046981A | 1981-02-02 | 1981-02-02 | |
| US06/230,469 | 1981-02-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1175665A true CA1175665A (en) | 1984-10-09 |
Family
ID=22865350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000391817A Expired CA1175665A (en) | 1981-02-02 | 1981-12-09 | Abrasive article |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0057392A3 (enrdf_load_stackoverflow) |
| JP (1) | JPS57184659A (enrdf_load_stackoverflow) |
| AU (1) | AU528580B2 (enrdf_load_stackoverflow) |
| BR (1) | BR8200533A (enrdf_load_stackoverflow) |
| CA (1) | CA1175665A (enrdf_load_stackoverflow) |
| ES (1) | ES8302048A1 (enrdf_load_stackoverflow) |
| IN (1) | IN157350B (enrdf_load_stackoverflow) |
| ZA (1) | ZA82339B (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5738696A (en) * | 1996-07-26 | 1998-04-14 | Norton Company | Method for making high permeability grinding wheels |
| US5738697A (en) * | 1996-07-26 | 1998-04-14 | Norton Company | High permeability grinding wheels |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61230871A (ja) * | 1985-04-05 | 1986-10-15 | Noritake Co Ltd | 可撓性樹脂を用いた砥石 |
| AU1115588A (en) * | 1987-02-26 | 1988-09-01 | Minnesota Mining And Manufacturing Company | Erodable agglomerates and abrasive products containing the same |
| DE3708866A1 (de) * | 1987-03-18 | 1988-09-29 | Josef Sebald | Verfahren zur herstellung eines schleifmittels |
| DE3724704A1 (de) * | 1987-07-25 | 1989-02-02 | Metallgesellschaft Ag | Verfahren zum trennen von werkstuecken und bearbeitungskoerpern |
| US4871376A (en) * | 1987-12-14 | 1989-10-03 | Minnesota Mining And Manufacturing Company | Resin systems for coated products; and method |
| JPH02232171A (ja) * | 1989-03-06 | 1990-09-14 | Gun Ei Chem Ind Co Ltd | レジノイド砥石 |
| AT394964B (de) * | 1990-07-23 | 1992-08-10 | Swarovski Tyrolit Schleif | Schleifkoerper |
| JPH0631637A (ja) * | 1992-06-19 | 1994-02-08 | Shiyouken Kogyo Kk | バフ用多孔性ゴム研磨材 |
| US5713968A (en) * | 1996-05-16 | 1998-02-03 | Speedfam Corporation | Abrasive foam grinding composition |
| US6440185B2 (en) | 1997-11-28 | 2002-08-27 | Noritake Co., Ltd. | Resinoid grinding wheel |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2806772A (en) * | 1954-09-15 | 1957-09-17 | Electro Refractories & Abrasiv | Abrasive bodies |
| US2986455A (en) * | 1958-02-21 | 1961-05-30 | Carborundum Co | Bonded abrasive articles |
| US3041156A (en) * | 1959-07-22 | 1962-06-26 | Norton Co | Phenolic resin bonded grinding wheels |
| US3098730A (en) * | 1959-07-22 | 1963-07-23 | Norton Co | Grinding wheels having unsaturated organic polymeric bonds and the like |
| US3074211A (en) * | 1960-08-24 | 1963-01-22 | Norton Co | Grinding wheel |
| US3208836A (en) * | 1960-09-09 | 1965-09-28 | Borden Co | Cold press method of making abrasive articles |
| US3329488A (en) * | 1964-07-24 | 1967-07-04 | Carborundum Co | Resin bonded abrasive articles containing olivine |
| BE759502A (fr) * | 1969-11-28 | 1971-05-27 | Bmi Lab | Outil abrasif, en particulier meule de rectification, et son procede defabrication |
| CA985916A (en) * | 1970-09-28 | 1976-03-23 | Norton Company | High strength resin bonded grinding wheels |
| US3925034A (en) * | 1973-05-14 | 1975-12-09 | Res Abrasive Products Inc | Resin bonded grinding wheel containing gas-filled thermoplastic resin beads and method of making it |
| GB1474569A (en) * | 1975-10-10 | 1977-05-25 | Universal Grinding Wheel Co Lt | Abrasive product |
-
1981
- 1981-12-09 CA CA000391817A patent/CA1175665A/en not_active Expired
-
1982
- 1982-01-19 ZA ZA82339A patent/ZA82339B/xx unknown
- 1982-01-22 EP EP82100448A patent/EP0057392A3/en not_active Withdrawn
- 1982-01-27 AU AU79868/82A patent/AU528580B2/en not_active Ceased
- 1982-01-27 IN IN106/CAL/82A patent/IN157350B/en unknown
- 1982-02-01 BR BR8200533A patent/BR8200533A/pt unknown
- 1982-02-01 ES ES509218A patent/ES8302048A1/es not_active Expired
- 1982-02-02 JP JP57014407A patent/JPS57184659A/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5738696A (en) * | 1996-07-26 | 1998-04-14 | Norton Company | Method for making high permeability grinding wheels |
| US5738697A (en) * | 1996-07-26 | 1998-04-14 | Norton Company | High permeability grinding wheels |
Also Published As
| Publication number | Publication date |
|---|---|
| ES509218A0 (es) | 1982-12-16 |
| JPS57184659A (en) | 1982-11-13 |
| ZA82339B (en) | 1982-12-29 |
| AU528580B2 (en) | 1983-05-05 |
| EP0057392A3 (en) | 1985-01-09 |
| AU7986882A (en) | 1982-11-04 |
| IN157350B (enrdf_load_stackoverflow) | 1986-03-08 |
| EP0057392A2 (en) | 1982-08-11 |
| ES8302048A1 (es) | 1982-12-16 |
| BR8200533A (pt) | 1982-12-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEC | Expiry (correction) | ||
| MKEX | Expiry |