JPS6233957B2 - - Google Patents
Info
- Publication number
- JPS6233957B2 JPS6233957B2 JP1559985A JP1559985A JPS6233957B2 JP S6233957 B2 JPS6233957 B2 JP S6233957B2 JP 1559985 A JP1559985 A JP 1559985A JP 1559985 A JP1559985 A JP 1559985A JP S6233957 B2 JPS6233957 B2 JP S6233957B2
- Authority
- JP
- Japan
- Prior art keywords
- lead
- stage nozzle
- extrusion molding
- molding material
- 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.)
- Expired
Links
- 238000001125 extrusion Methods 0.000 claims description 13
- 239000012778 molding material Substances 0.000 claims description 9
- 239000011230 binding agent Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 239000001993 wax Substances 0.000 claims description 4
- 239000003086 colorant Substances 0.000 claims description 3
- 230000001788 irregular Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 description 7
- 238000005452 bending Methods 0.000 description 6
- 239000013078 crystal Substances 0.000 description 6
- 239000006229 carbon black Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920000915 polyvinyl chloride Polymers 0.000 description 3
- 239000004800 polyvinyl chloride Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- -1 inorganic fillers Chemical compound 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
- 239000004606 Fillers/Extenders Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Natural products C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 1
- 239000012461 cellulose resin Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000007849 furan resin Substances 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 229940057995 liquid paraffin Drugs 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 239000012860 organic pigment Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
Landscapes
- Inks, Pencil-Leads, Or Crayons (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1559985A JPS61175094A (ja) | 1985-01-31 | 1985-01-31 | シヤープペンシル用芯の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1559985A JPS61175094A (ja) | 1985-01-31 | 1985-01-31 | シヤープペンシル用芯の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61175094A JPS61175094A (ja) | 1986-08-06 |
| JPS6233957B2 true JPS6233957B2 (en, 2012) | 1987-07-23 |
Family
ID=11893179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1559985A Granted JPS61175094A (ja) | 1985-01-31 | 1985-01-31 | シヤープペンシル用芯の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61175094A (en, 2012) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20200100639A (ko) * | 2017-12-21 | 2020-08-26 | 에이취.케이.오. 아이소리에르-운드 텍스틸테크니크 게엠베하 | 배터리용 다층 단열 소자 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5025368B2 (ja) * | 2007-07-26 | 2012-09-12 | 三菱鉛筆株式会社 | 固形描画材 |
-
1985
- 1985-01-31 JP JP1559985A patent/JPS61175094A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20200100639A (ko) * | 2017-12-21 | 2020-08-26 | 에이취.케이.오. 아이소리에르-운드 텍스틸테크니크 게엠베하 | 배터리용 다층 단열 소자 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61175094A (ja) | 1986-08-06 |
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