CN1021509C - 旋转磁头圆柱体及其制造方法 - Google Patents

旋转磁头圆柱体及其制造方法 Download PDF

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Publication number
CN1021509C
CN1021509C CN91105436.7A CN91105436A CN1021509C CN 1021509 C CN1021509 C CN 1021509C CN 91105436 A CN91105436 A CN 91105436A CN 1021509 C CN1021509 C CN 1021509C
Authority
CN
China
Prior art keywords
synthetic resin
aluminum alloy
magnetic head
resin material
alloy ring
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
CN91105436.7A
Other languages
English (en)
Chinese (zh)
Other versions
CN1058858A (zh
Inventor
松若铁规
小林谦二
小川隆
荻野友展
大森基生
花房宽
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of CN1058858A publication Critical patent/CN1058858A/zh
Application granted granted Critical
Publication of CN1021509C publication Critical patent/CN1021509C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/60—Guiding record carrier
    • G11B15/61—Guiding record carrier on drum, e.g. drum containing rotating heads
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/1418—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/52—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with simultaneous movement of head and record carrier, e.g. rotation of head
    • G11B5/53—Disposition or mounting of heads on rotating support
    • 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
    • B29K2705/00—Use of metals, their alloys or their compounds, for preformed parts, e.g. for inserts

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
CN91105436.7A 1990-08-09 1991-08-08 旋转磁头圆柱体及其制造方法 Expired - Fee Related CN1021509C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP212541/90 1990-08-09
JP2212541A JP2844877B2 (ja) 1990-08-09 1990-08-09 回転ヘッドシリンダーおよびその製造方法

Publications (2)

Publication Number Publication Date
CN1058858A CN1058858A (zh) 1992-02-19
CN1021509C true CN1021509C (zh) 1993-07-07

Family

ID=16624387

Family Applications (1)

Application Number Title Priority Date Filing Date
CN91105436.7A Expired - Fee Related CN1021509C (zh) 1990-08-09 1991-08-08 旋转磁头圆柱体及其制造方法

Country Status (6)

Country Link
US (1) US5289326A (enExample)
JP (1) JP2844877B2 (enExample)
KR (1) KR0123923B1 (enExample)
CN (1) CN1021509C (enExample)
DE (1) DE4126185A1 (enExample)
GB (1) GB2247208B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100344568C (zh) * 2006-03-29 2007-10-24 缪建通 水泥熟料烧成工艺

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2676504B2 (ja) * 1995-09-19 1997-11-17 協和電機化学株式会社 磁気記録装置用磁気ヘッドドラム及びその製造方法
JP2000268450A (ja) * 1999-03-18 2000-09-29 Sony Corp 回転磁気記録再生装置及び回転磁気記録再生装置の製造方法
JP2003039561A (ja) * 2001-07-31 2003-02-13 Fuji Photo Film Co Ltd 樹脂成形部材の取付方法
JP6189974B2 (ja) * 2013-11-29 2017-08-30 株式会社ケーヒン 圧力調整弁における弁ハウジングの製造方法、及びその製造方法に使用される金型装置
DE102019102688A1 (de) 2019-02-04 2020-08-06 Wobben Properties Gmbh Vorrichtung und Verfahren zum Entspannen einer Spannlitze

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE662987A (enExample) * 1964-04-24
BE713480A (enExample) * 1967-09-29 1968-08-16
GB1260853A (en) * 1968-05-31 1972-01-19 Angus George Co Ltd Improvements in and relating to wheels or rollers
US3724983A (en) * 1971-02-19 1973-04-03 Rubber A Corp Apparatus for making rolls
US4040703A (en) * 1975-09-05 1977-08-09 Amp Incorporated Tri-lead cable connector
JPS53113954U (enExample) * 1977-02-17 1978-09-11
GB2003334A (en) * 1977-08-29 1979-03-07 Carrier Corp A terminal block and method of manufacturing
JPS5740576A (en) * 1980-08-25 1982-03-06 Otsuka Chem Co Ltd Epoxy resin adhesive composition
DE3570886D1 (en) * 1984-03-29 1989-07-13 Denki Kagaku Kogyo Kk Electrically conductive composition
JPS62208480A (ja) * 1986-03-07 1987-09-12 Hitachi Maxell Ltd デイスクカ−トリツジ
JPS63161558A (ja) * 1986-12-24 1988-07-05 Canon Inc ビデオテ−プレコ−ダ用ドラムの成形方法
JP2668011B2 (ja) * 1987-12-28 1997-10-27 株式会社エンプラス 磁気テープ用ガイドポスト

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100344568C (zh) * 2006-03-29 2007-10-24 缪建通 水泥熟料烧成工艺

Also Published As

Publication number Publication date
JP2844877B2 (ja) 1999-01-13
JPH0493217A (ja) 1992-03-26
GB2247208B (en) 1994-11-02
KR0123923B1 (ko) 1997-11-28
US5289326A (en) 1994-02-22
CN1058858A (zh) 1992-02-19
DE4126185C2 (enExample) 1993-05-19
DE4126185A1 (de) 1992-03-12
GB9116216D0 (en) 1991-09-11
GB2247208A (en) 1992-02-26

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Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C14 Grant of patent or utility model
GR01 Patent grant
C15 Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993)
OR01 Other related matters
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee