JPS63135469A - シヤ−プペンシル用芯 - Google Patents
シヤ−プペンシル用芯Info
- Publication number
- JPS63135469A JPS63135469A JP28151986A JP28151986A JPS63135469A JP S63135469 A JPS63135469 A JP S63135469A JP 28151986 A JP28151986 A JP 28151986A JP 28151986 A JP28151986 A JP 28151986A JP S63135469 A JPS63135469 A JP S63135469A
- Authority
- JP
- Japan
- Prior art keywords
- lead
- core
- impregnated
- impregnating
- mechanical pencil
- 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
- 239000004711 α-olefin Substances 0.000 claims abstract description 19
- 230000014759 maintenance of location Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 239000007858 starting material Substances 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 11
- 235000019198 oils Nutrition 0.000 description 11
- 238000005470 impregnation Methods 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- 229910002804 graphite Inorganic materials 0.000 description 8
- 239000010439 graphite Substances 0.000 description 8
- 235000014593 oils and fats Nutrition 0.000 description 7
- 238000001035 drying Methods 0.000 description 5
- 239000003925 fat Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 239000002480 mineral oil Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000003086 colorant Substances 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- 238000002386 leaching Methods 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229920002545 silicone oil Polymers 0.000 description 3
- 241001465754 Metazoa Species 0.000 description 2
- 239000010775 animal oil Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 235000015112 vegetable and seed oil Nutrition 0.000 description 2
- 239000008158 vegetable oil Substances 0.000 description 2
- 239000001993 wax Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 241000282320 Panthera leo Species 0.000 description 1
- 235000019484 Rapeseed oil Nutrition 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000010699 lard oil Substances 0.000 description 1
- 229940057995 liquid paraffin Drugs 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 229920005615 natural polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000003549 soybean oil Substances 0.000 description 1
- 235000012424 soybean oil Nutrition 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000010698 whale oil Substances 0.000 description 1
Landscapes
- Inks, Pencil-Leads, Or Crayons (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28151986A JPS63135469A (ja) | 1986-11-26 | 1986-11-26 | シヤ−プペンシル用芯 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28151986A JPS63135469A (ja) | 1986-11-26 | 1986-11-26 | シヤ−プペンシル用芯 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63135469A true JPS63135469A (ja) | 1988-06-07 |
| JPH0534388B2 JPH0534388B2 (enrdf_load_stackoverflow) | 1993-05-21 |
Family
ID=17640310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28151986A Granted JPS63135469A (ja) | 1986-11-26 | 1986-11-26 | シヤ−プペンシル用芯 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63135469A (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006124581A (ja) * | 2004-10-29 | 2006-05-18 | Pentel Corp | 鉛筆芯 |
| JP2006182916A (ja) * | 2004-12-28 | 2006-07-13 | Pentel Corp | 鉛筆芯 |
-
1986
- 1986-11-26 JP JP28151986A patent/JPS63135469A/ja active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006124581A (ja) * | 2004-10-29 | 2006-05-18 | Pentel Corp | 鉛筆芯 |
| JP2006182916A (ja) * | 2004-12-28 | 2006-07-13 | Pentel Corp | 鉛筆芯 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0534388B2 (enrdf_load_stackoverflow) | 1993-05-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| RD02 | Notification of acceptance of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: R3D02 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |