JP5126040B2 - マグネットピース成形用金型およびマグネットピースの製造方法 - Google Patents
マグネットピース成形用金型およびマグネットピースの製造方法 Download PDFInfo
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- JP5126040B2 JP5126040B2 JP2008315118A JP2008315118A JP5126040B2 JP 5126040 B2 JP5126040 B2 JP 5126040B2 JP 2008315118 A JP2008315118 A JP 2008315118A JP 2008315118 A JP2008315118 A JP 2008315118A JP 5126040 B2 JP5126040 B2 JP 5126040B2
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- Prior art keywords
- magnet piece
- mold
- cavity
- ejector
- magnet
- 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 - Fee Related
Links
- 238000000465 moulding Methods 0.000 title claims description 25
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 239000000463 material Substances 0.000 claims description 14
- 229920005989 resin Polymers 0.000 claims description 14
- 239000011347 resin Substances 0.000 claims description 14
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 6
- 239000000843 powder Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- -1 for example Substances 0.000 description 3
- QLZJUIZVJLSNDD-UHFFFAOYSA-N 2-(2-methylidenebutanoyloxy)ethyl 2-methylidenebutanoate Chemical compound CCC(=C)C(=O)OCCOC(=O)C(=C)CC QLZJUIZVJLSNDD-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 229920006244 ethylene-ethyl acrylate Polymers 0.000 description 2
- 239000005042 ethylene-ethyl acrylate Substances 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Images
Landscapes
- Magnetic Brush Developing In Electrophotography (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008315118A JP5126040B2 (ja) | 2008-12-11 | 2008-12-11 | マグネットピース成形用金型およびマグネットピースの製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008315118A JP5126040B2 (ja) | 2008-12-11 | 2008-12-11 | マグネットピース成形用金型およびマグネットピースの製造方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2010141062A JP2010141062A (ja) | 2010-06-24 |
| JP2010141062A5 JP2010141062A5 (enExample) | 2011-09-15 |
| JP5126040B2 true JP5126040B2 (ja) | 2013-01-23 |
Family
ID=42350952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008315118A Expired - Fee Related JP5126040B2 (ja) | 2008-12-11 | 2008-12-11 | マグネットピース成形用金型およびマグネットピースの製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5126040B2 (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5825795B2 (ja) * | 2011-02-03 | 2015-12-02 | キヤノン株式会社 | 現像装置、及びマグネットローラ |
| JP5936753B2 (ja) * | 2015-06-01 | 2016-06-22 | キヤノン株式会社 | 現像装置、及びマグネットローラ |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0715126B2 (ja) * | 1987-05-18 | 1995-02-22 | 本田技研工業株式会社 | 焼結成形品の圧粉成型方法 |
| JP3869024B2 (ja) * | 1994-09-13 | 2007-01-17 | 株式会社カネカ | 射出成形マグネットロールの製造方法及び製造装置 |
| JPH08142108A (ja) * | 1994-11-24 | 1996-06-04 | Hitachi Metals Ltd | マグネットロール用永久磁石部材の製造方法 |
| JPH09125103A (ja) * | 1995-11-07 | 1997-05-13 | Honda Motor Co Ltd | Ti合金の圧粉成形方法とその装置 |
| JP3441593B2 (ja) * | 1996-03-28 | 2003-09-02 | 株式会社リコー | 現像装置 |
| JPH1067030A (ja) * | 1996-06-17 | 1998-03-10 | Kanegafuchi Chem Ind Co Ltd | マグネットロールの成形装置及び成形方法 |
| JP3308187B2 (ja) * | 1997-03-27 | 2002-07-29 | 株式会社ブリヂストン | マグネットローラの製造方法 |
| JPH1177783A (ja) * | 1997-09-08 | 1999-03-23 | Kanegafuchi Chem Ind Co Ltd | マグネットロールの成形装置及び成形方法 |
| JPH11224814A (ja) * | 1998-02-04 | 1999-08-17 | Bridgestone Corp | マグネットローラ成形用金型及び該金型を用いたマグネットローラの製造方法 |
| JPH11224815A (ja) * | 1998-02-04 | 1999-08-17 | Bridgestone Corp | マグネットローラ成形用金型及び該金型を用いたマグネットローラの製造方法 |
| JP3485485B2 (ja) * | 1998-12-28 | 2004-01-13 | 住友特殊金属株式会社 | 粉体プレス装置、パンチ及び粉体プレス方法 |
| JP2002365915A (ja) * | 2001-06-05 | 2002-12-20 | Ricoh Co Ltd | 現像ローラ及びその製造方法並びに現像装置、画像形成装置 |
| JP3936231B2 (ja) * | 2002-04-22 | 2007-06-27 | 鈴鹿富士ゼロックス株式会社 | 射出成形金型 |
| JP3989284B2 (ja) * | 2002-04-22 | 2007-10-10 | 株式会社リコー | マグネットブロック、現像ローラ、現像装置及び画像形成装置 |
| JP2007105992A (ja) * | 2005-10-13 | 2007-04-26 | Bridgestone Corp | マグネットローラの製造方法 |
| JP4920984B2 (ja) * | 2006-02-03 | 2012-04-18 | 株式会社リコー | マグネットローラ、現像剤担持体、現像装置、プロセスカートリッジ、画像形成装置 |
| JP4949883B2 (ja) * | 2007-02-14 | 2012-06-13 | 株式会社リコー | 現像剤担持体、現像装置、プロセスカートリッジ及び画像形成装置 |
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2008
- 2008-12-11 JP JP2008315118A patent/JP5126040B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2010141062A (ja) | 2010-06-24 |
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