JPH0140725B2 - - Google Patents
Info
- Publication number
- JPH0140725B2 JPH0140725B2 JP58020372A JP2037283A JPH0140725B2 JP H0140725 B2 JPH0140725 B2 JP H0140725B2 JP 58020372 A JP58020372 A JP 58020372A JP 2037283 A JP2037283 A JP 2037283A JP H0140725 B2 JPH0140725 B2 JP H0140725B2
- Authority
- JP
- Japan
- Prior art keywords
- core
- injection molding
- ferrite
- less
- cylindrical
- 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
- 238000001746 injection moulding Methods 0.000 claims description 30
- 229910000859 α-Fe Inorganic materials 0.000 claims description 24
- 238000000354 decomposition reaction Methods 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 230000002093 peripheral effect Effects 0.000 claims description 11
- -1 polypropylene Polymers 0.000 claims description 11
- 239000011230 binding agent Substances 0.000 claims description 10
- 239000004793 Polystyrene Substances 0.000 claims description 9
- 229920002223 polystyrene Polymers 0.000 claims description 9
- 239000004743 Polypropylene Substances 0.000 claims description 8
- 229920001155 polypropylene Polymers 0.000 claims description 8
- 235000021355 Stearic acid Nutrition 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 7
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 7
- 238000005245 sintering Methods 0.000 claims description 7
- 239000008117 stearic acid Substances 0.000 claims description 7
- 239000012768 molten material Substances 0.000 claims description 6
- 229910001035 Soft ferrite Inorganic materials 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 claims 2
- 239000011162 core material Substances 0.000 description 43
- 239000011368 organic material Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 8
- 238000000465 moulding Methods 0.000 description 8
- 239000008188 pellet Substances 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000012778 molding material Substances 0.000 description 4
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229910018605 Ni—Zn Inorganic materials 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Landscapes
- Producing Shaped Articles From Materials (AREA)
- Moulds, Cores, Or Mandrels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2037283A JPS59145104A (ja) | 1983-02-09 | 1983-02-09 | 筒状フエライトの製造方法及び射出成形用中子 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2037283A JPS59145104A (ja) | 1983-02-09 | 1983-02-09 | 筒状フエライトの製造方法及び射出成形用中子 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59145104A JPS59145104A (ja) | 1984-08-20 |
| JPH0140725B2 true JPH0140725B2 (no) | 1989-08-31 |
Family
ID=12025232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2037283A Granted JPS59145104A (ja) | 1983-02-09 | 1983-02-09 | 筒状フエライトの製造方法及び射出成形用中子 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59145104A (no) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002155302A (ja) * | 2000-09-05 | 2002-05-31 | Advanced Materials Technologies Pte Ltd | 中空物品の形成方法 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6057598B2 (ja) * | 2012-08-09 | 2017-01-11 | 株式会社キャステム | 中空部を有する金属粉末焼結体の製造方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50146605A (no) * | 1974-05-17 | 1975-11-25 | ||
| JPS5129170A (no) * | 1974-09-04 | 1976-03-12 | Matsushita Electric Ind Co Ltd | |
| JPS53113808A (en) * | 1977-03-16 | 1978-10-04 | Kaabon Seramu Kk | Method of manufacturing ringgshaped refractories with hollow opening |
-
1983
- 1983-02-09 JP JP2037283A patent/JPS59145104A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50146605A (no) * | 1974-05-17 | 1975-11-25 | ||
| JPS5129170A (no) * | 1974-09-04 | 1976-03-12 | Matsushita Electric Ind Co Ltd | |
| JPS53113808A (en) * | 1977-03-16 | 1978-10-04 | Kaabon Seramu Kk | Method of manufacturing ringgshaped refractories with hollow opening |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002155302A (ja) * | 2000-09-05 | 2002-05-31 | Advanced Materials Technologies Pte Ltd | 中空物品の形成方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59145104A (ja) | 1984-08-20 |
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