DE69210374D1 - Herstellungsverfahren für eine Magnetrolle - Google Patents

Herstellungsverfahren für eine Magnetrolle

Info

Publication number
DE69210374D1
DE69210374D1 DE69210374T DE69210374T DE69210374D1 DE 69210374 D1 DE69210374 D1 DE 69210374D1 DE 69210374 T DE69210374 T DE 69210374T DE 69210374 T DE69210374 T DE 69210374T DE 69210374 D1 DE69210374 D1 DE 69210374D1
Authority
DE
Germany
Prior art keywords
manufacturing process
magnetic roller
roller
magnetic
manufacturing
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
Application number
DE69210374T
Other languages
English (en)
Other versions
DE69210374T2 (de
Inventor
Hideko Arai
Fumihito Mohri
Yoshio Sakata
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kanegafuchi Chemical Industry Co Ltd
Original Assignee
Kanegafuchi Chemical Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP3357864A external-priority patent/JPH0756580B2/ja
Priority claimed from JP7921792A external-priority patent/JPH05243047A/ja
Priority claimed from JP8997992A external-priority patent/JPH05258943A/ja
Priority claimed from JP4098642A external-priority patent/JPH0736372B2/ja
Priority claimed from JP11791992A external-priority patent/JPH05291028A/ja
Application filed by Kanegafuchi Chemical Industry Co Ltd filed Critical Kanegafuchi Chemical Industry Co Ltd
Publication of DE69210374D1 publication Critical patent/DE69210374D1/de
Application granted granted Critical
Publication of DE69210374T2 publication Critical patent/DE69210374T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/09—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush
    • G03G15/0921—Details concerning the magnetic brush roller structure, e.g. magnet configuration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/06—Rod-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/58—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising fillers only, e.g. particles, powder, beads, flakes, spheres
    • B29C70/64—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising fillers only, e.g. particles, powder, beads, flakes, spheres the filler influencing the surface characteristics of the material, e.g. by concentrating near the surface or by incorporating in the surface by force
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
    • H01F41/0273—Imparting anisotropy
    • H01F41/028—Radial anisotropy
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0231—Magnetic circuits with PM for power or force generation
    • H01F7/0252—PM holding devices
    • H01F7/0268—Magnetic cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0003—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular electrical or magnetic properties, e.g. piezoelectric
    • B29K2995/0008—Magnetic or paramagnetic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/32—Wheels, pinions, pulleys, castors or rollers, Rims
    • B29L2031/324—Rollers or cylinders having an axial length of several times the diameter, e.g. embossing, pressing or printing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49544—Roller making
    • Y10T29/4956—Fabricating and shaping roller work contacting surface element
    • Y10T29/49563—Fabricating and shaping roller work contacting surface element with coating or casting about a core

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Brush Developing In Electrophotography (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
DE69210374T 1991-12-25 1992-12-23 Herstellungsverfahren für eine Magnetrolle Expired - Fee Related DE69210374T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP3357864A JPH0756580B2 (ja) 1991-07-10 1991-12-25 多極一体型マグネットロ−ル及びその製造方法
JP7921792A JPH05243047A (ja) 1992-02-28 1992-02-28 マグネットロールの着磁方法
JP8997992A JPH05258943A (ja) 1992-03-12 1992-03-12 多極一体型マグネットロ−ル及びその製造方法
JP4098642A JPH0736372B2 (ja) 1992-03-24 1992-03-24 移動サイジング金型を用いた長尺ボンド磁石の製造方法及びその製造装置
JP11791992A JPH05291028A (ja) 1992-04-09 1992-04-09 多極一体型マグネットロール及びその製造方法

Publications (2)

Publication Number Publication Date
DE69210374D1 true DE69210374D1 (de) 1996-06-05
DE69210374T2 DE69210374T2 (de) 1996-09-19

Family

ID=27524778

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69210374T Expired - Fee Related DE69210374T2 (de) 1991-12-25 1992-12-23 Herstellungsverfahren für eine Magnetrolle

Country Status (3)

Country Link
US (1) US5384957A (de)
EP (1) EP0548952B1 (de)
DE (1) DE69210374T2 (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06349631A (ja) * 1993-06-08 1994-12-22 Hitachi Metals Ltd 永久磁石部材およびその製造方法
US5529628A (en) * 1994-03-23 1996-06-25 Fuji Xerox Co., Ltd. Developing unit
JPH0822194A (ja) * 1994-07-08 1996-01-23 Canon Inc マグネットロール及びそれを備えた現像装置並びにそれを備えたプロセスカートリッジ
JP2944443B2 (ja) * 1994-12-15 1999-09-06 株式会社日本健康増進研究会 ローラ治療具およびその製法
WO1998003981A1 (fr) 1996-07-23 1998-01-29 Seiko Epson Corporation Procede de fabrication d'aimants agglomeres de metal des terres rares, et aimant agglomere de metal des terres rares
GB2350694B (en) * 1996-09-02 2001-05-09 Bridgestone Corp Manufacture of magnetic rollers for use in developing rollers and developing devices
JPH1145001A (ja) * 1996-09-02 1999-02-16 Bridgestone Corp マグネットローラ、その製造方法、該マグネットローラを用いた現像ローラ及び現像装置
US5878313A (en) * 1996-09-02 1999-03-02 Bridgestone Corporation Developing roller and apparatus
US5758242A (en) * 1996-09-23 1998-05-26 Xerox Corporation Interlocking magnetic developer roll assembly and method of manufacturing
US6125255A (en) * 1996-09-23 2000-09-26 Xerox Corporation Magnet assembly with inserts and method of manufacturing
US5894004A (en) * 1996-11-20 1999-04-13 Xerox Corporation Method for manufacturing magnetic rolls
CA2238834A1 (en) * 1997-05-29 1998-11-29 Hiroshi Yamamoto Injection-molding apparatus and method of injection-molding
US5938579A (en) * 1997-07-16 1999-08-17 Cavazos; Arnold B. Magnetic roller
EP1100668A4 (de) * 1998-05-04 2004-12-15 Lexmark Int Inc Einsatzgeformte endstiftschäfte für magnetischen rollenentwickler
ID24875A (id) * 1998-06-24 2000-08-31 Sumitomo Osaka Cement Co Ltd Alat penggulung penjalan kertas
US6454993B1 (en) * 2000-01-11 2002-09-24 Delphi Technologies, Inc. Manufacturing technique for multi-layered structure with magnet using an extrusion process
US6452380B1 (en) 2000-03-23 2002-09-17 Lexmark International, Inc. Rod and apparatus for calibrating magnetic roll testing apparatus
US6454686B1 (en) * 2001-04-30 2002-09-24 T.D. Wright, Inc. Modular magnetic cylinder
US6897752B2 (en) * 2001-07-25 2005-05-24 Lexmark International, Inc. Magnetic roller and methods of producing the same
JP4089808B2 (ja) * 2001-12-25 2008-05-28 ケミテック株式会社 上消し可能なマイクロカプセル磁気泳動表示シート
US8500615B2 (en) * 2007-01-11 2013-08-06 Ricoh Company, Ltd. Magnetic roller and manufacturing method thereof, developer carrier, development device, processing cartridge, and image forming apparatus
US9275783B2 (en) * 2012-10-15 2016-03-01 Correlated Magnetics Research, Llc. System and method for demagnetization of a magnetic structure region
KR101339923B1 (ko) * 2011-11-03 2013-12-10 삼성전자주식회사 디스크 및 이를 포함하는 생체물질 검사장치
CN103631115A (zh) * 2012-08-22 2014-03-12 大地磁性材料(香港)有限公司 一种磁辊的制造方法及其系统
US9486217B2 (en) * 2013-09-23 2016-11-08 Moustafa Moustafa Magnetic wound closure device and method of use
EP2894519A1 (de) * 2014-01-08 2015-07-15 Earth Magnets (Hong Kong) Company Limited Verfahren zur Herstellung von Magnetrollen und System dafür
US9583244B2 (en) * 2014-09-30 2017-02-28 Nichia Corporation Bonded magnet, bonded magnet component, and bonded magnet production method
CN107209471B (zh) * 2015-01-28 2020-06-26 日立金属株式会社 成型装置、模具、磁力辊的制造方法以及磁力辊的磁化方法
US20170348604A1 (en) * 2016-06-02 2017-12-07 Hadali Toys, Llc Magnetic building blocks and methods of manufacturing thereof

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1249131B (de) * 1962-03-28
CA1198766A (en) * 1981-04-20 1985-12-31 Atsuo Tanaka Magnetic rolls and a method of making the same
JPS6059377A (ja) * 1983-09-12 1985-04-05 Tdk Corp マグネツトロ−ル
JPS60182710A (ja) * 1984-02-29 1985-09-18 Yamauchi Rubber Ind Co Ltd 磁力サイジング方法および磁力サイジングダイ
JPS60196919A (ja) * 1984-03-19 1985-10-05 Matsushita Electric Ind Co Ltd マグネツトロ−ルの製造方法
JPS60211908A (ja) * 1984-04-06 1985-10-24 Seiko Epson Corp 円筒状永久磁石の製造方法
JPS6129874A (ja) * 1984-07-23 1986-02-10 Tdk Corp マグネツトロ−ル
JPS61154016A (ja) * 1984-12-26 1986-07-12 Yamauchi Rubber Ind Co Ltd 磁気ブラシ用磁石ロ−ル
JPS61168212A (ja) * 1985-01-21 1986-07-29 Mitsui Toatsu Chem Inc 樹脂磁石の製造方法
JPS61247004A (ja) * 1985-04-24 1986-11-04 Hitachi Metals Ltd マグネツトロ−ルの製造方法
JPS6225410A (ja) * 1985-07-26 1987-02-03 Sumitomo Bakelite Co Ltd 永久磁石の製造方法
JPS62264601A (ja) * 1986-05-12 1987-11-17 Seiko Epson Corp プラスチツク磁石組成物
JPS62273708A (ja) * 1986-05-21 1987-11-27 Seiko Epson Corp マグネツトロ−ルの製造方法
JPH0616458B2 (ja) * 1986-05-21 1994-03-02 鐘淵化学工業株式会社 磁場配向押出成形法
JPS63182803A (ja) * 1987-01-23 1988-07-28 Kanegafuchi Chem Ind Co Ltd マグネツトロ−ル及びその製造法
JPH01228117A (ja) * 1988-03-08 1989-09-12 Kanegafuchi Chem Ind Co Ltd マグネットロールの製法
JP2686616B2 (ja) * 1988-03-09 1997-12-08 株式会社トーキン 異方性プラスチックマグネットの射出成形機
JP2545602B2 (ja) * 1989-02-22 1996-10-23 日立金属株式会社 マグネットロール

Also Published As

Publication number Publication date
EP0548952B1 (de) 1996-05-01
US5384957A (en) 1995-01-31
EP0548952A2 (de) 1993-06-30
EP0548952A3 (en) 1993-08-11
DE69210374T2 (de) 1996-09-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee