JPS6067578A - 鉛芯 - Google Patents
鉛芯Info
- Publication number
- JPS6067578A JPS6067578A JP17571583A JP17571583A JPS6067578A JP S6067578 A JPS6067578 A JP S6067578A JP 17571583 A JP17571583 A JP 17571583A JP 17571583 A JP17571583 A JP 17571583A JP S6067578 A JPS6067578 A JP S6067578A
- Authority
- JP
- Japan
- Prior art keywords
- core
- boron nitride
- carbon
- lead
- montan wax
- 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.)
- Granted
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 37
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 20
- 239000012170 montan wax Substances 0.000 claims abstract description 16
- 239000011148 porous material Substances 0.000 claims abstract description 14
- 229910052796 boron Inorganic materials 0.000 claims description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 2
- 239000002699 waste material Substances 0.000 claims 1
- 229910052582 BN Inorganic materials 0.000 abstract description 16
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 abstract description 16
- 239000001993 wax Substances 0.000 abstract description 9
- 150000002894 organic compounds Chemical class 0.000 abstract description 7
- 239000002253 acid Substances 0.000 abstract description 6
- 238000010186 staining Methods 0.000 abstract description 5
- 239000010426 asphalt Substances 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 abstract description 4
- 239000011347 resin Substances 0.000 abstract description 4
- 229920005989 resin Polymers 0.000 abstract description 4
- 239000011261 inert gas Substances 0.000 abstract description 3
- 235000014113 dietary fatty acids Nutrition 0.000 abstract description 2
- 229930195729 fatty acid Natural products 0.000 abstract description 2
- 239000000194 fatty acid Substances 0.000 abstract description 2
- 150000004665 fatty acids Chemical class 0.000 abstract description 2
- -1 asphalt Chemical class 0.000 abstract 2
- 238000001354 calcination Methods 0.000 abstract 1
- 238000004821 distillation Methods 0.000 abstract 1
- 238000004898 kneading Methods 0.000 abstract 1
- 239000003077 lignite Substances 0.000 abstract 1
- 238000000638 solvent extraction Methods 0.000 abstract 1
- 239000000049 pigment Substances 0.000 description 10
- 229910002804 graphite Inorganic materials 0.000 description 5
- 239000010439 graphite Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 239000000314 lubricant Substances 0.000 description 4
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 description 3
- 238000004040 coloring Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 206010024229 Leprosy Diseases 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- UOCLXMDMGBRAIB-UHFFFAOYSA-N 1,1,1-trichloroethane Chemical compound CC(Cl)(Cl)Cl UOCLXMDMGBRAIB-UHFFFAOYSA-N 0.000 description 1
- OVBLOKZRGDSDGY-UHFFFAOYSA-N 27-methyloctacosanoic acid Chemical compound CC(C)CCCCCCCCCCCCCCCCCCCCCCCCCC(O)=O OVBLOKZRGDSDGY-UHFFFAOYSA-N 0.000 description 1
- 239000004606 Fillers/Extenders Substances 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 235000019445 benzyl alcohol Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 125000003901 ceryl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000011294 coal tar pitch Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 239000010438 granite Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 125000002463 lignoceryl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 125000002819 montanyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000000025 natural resin Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000012463 white pigment Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Inks, Pencil-Leads, Or Crayons (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17571583A JPS6067578A (ja) | 1983-09-22 | 1983-09-22 | 鉛芯 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17571583A JPS6067578A (ja) | 1983-09-22 | 1983-09-22 | 鉛芯 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6067578A true JPS6067578A (ja) | 1985-04-17 |
| JPH059472B2 JPH059472B2 (enrdf_load_stackoverflow) | 1993-02-05 |
Family
ID=16000968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17571583A Granted JPS6067578A (ja) | 1983-09-22 | 1983-09-22 | 鉛芯 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6067578A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6346278A (ja) * | 1986-06-30 | 1988-02-27 | Pilot Precision Co Ltd | 低荷重用芯 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4874321A (enrdf_load_stackoverflow) * | 1972-01-07 | 1973-10-06 | ||
| JPS5037520A (enrdf_load_stackoverflow) * | 1973-08-10 | 1975-04-08 | ||
| JPS5238773A (en) * | 1975-09-20 | 1977-03-25 | Katayama Chem Works Co Ltd | Dust collecting water disposal |
-
1983
- 1983-09-22 JP JP17571583A patent/JPS6067578A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4874321A (enrdf_load_stackoverflow) * | 1972-01-07 | 1973-10-06 | ||
| JPS5037520A (enrdf_load_stackoverflow) * | 1973-08-10 | 1975-04-08 | ||
| JPS5238773A (en) * | 1975-09-20 | 1977-03-25 | Katayama Chem Works Co Ltd | Dust collecting water disposal |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6346278A (ja) * | 1986-06-30 | 1988-02-27 | Pilot Precision Co Ltd | 低荷重用芯 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH059472B2 (enrdf_load_stackoverflow) | 1993-02-05 |
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