HK73394A - Flexible magnetic disc cassettes and methods of making such cassettes - Google Patents

Flexible magnetic disc cassettes and methods of making such cassettes

Info

Publication number
HK73394A
HK73394A HK73394A HK73394A HK73394A HK 73394 A HK73394 A HK 73394A HK 73394 A HK73394 A HK 73394A HK 73394 A HK73394 A HK 73394A HK 73394 A HK73394 A HK 73394A
Authority
HK
Hong Kong
Prior art keywords
cassettes
making
methods
magnetic disc
flexible magnetic
Prior art date
Application number
HK73394A
Other languages
English (en)
Inventor
Kokichi Sugawara
Takayoshi Matsuzaka
Original Assignee
Sony Corp
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 JP59087183A external-priority patent/JPH0782727B2/ja
Priority claimed from JP1984074592U external-priority patent/JPS60186573U/ja
Application filed by Sony Corp filed Critical Sony Corp
Publication of HK73394A publication Critical patent/HK73394A/xx

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
    • G11B23/03—Containers for flat record carriers
    • G11B23/033—Containers for flat record carriers for flexible discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
    • G11B23/03—Containers for flat record carriers
    • G11B23/033—Containers for flat record carriers for flexible discs
    • G11B23/0332—Containers for flat record carriers for flexible discs for single discs, e.g. envelopes
HK73394A 1984-04-28 1994-07-28 Flexible magnetic disc cassettes and methods of making such cassettes HK73394A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP59087183A JPH0782727B2 (ja) 1984-04-28 1984-04-28 磁気ディスクカセット
JP1984074592U JPS60186573U (ja) 1984-05-22 1984-05-22 磁気デイスクカセツト

Publications (1)

Publication Number Publication Date
HK73394A true HK73394A (en) 1994-08-05

Family

ID=26415755

Family Applications (1)

Application Number Title Priority Date Filing Date
HK73394A HK73394A (en) 1984-04-28 1994-07-28 Flexible magnetic disc cassettes and methods of making such cassettes

Country Status (7)

Country Link
US (1) US4698714A (xx)
EP (1) EP0160538B1 (xx)
KR (1) KR930008781B1 (xx)
AU (1) AU589123B2 (xx)
CA (1) CA1241740A (xx)
DE (1) DE3581829D1 (xx)
HK (1) HK73394A (xx)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU560481B2 (en) * 1982-07-19 1987-04-09 Sony Corporation Disk cassette loading
KR950000954B1 (ko) * 1985-05-20 1995-02-06 히다찌마구세루 가부시기가이샤 디스크 카트리지
JPH0740423B2 (ja) * 1986-03-01 1995-05-01 日立マクセル株式会社 デイスクカ−トリツジ
DE3787485T2 (de) * 1986-03-31 1994-02-17 Tokin Corp Kassette, die eine flexible magnetische Platte enthält mit einem Magnetaufzeichnungsmittel, das auf der äusseren Kassettenoberfläche befestigt ist.
US5196978A (en) * 1986-05-27 1993-03-23 Sharp Kabushiki Kaisha Cartridge case
DE3712803C2 (de) * 1987-04-15 1996-06-13 Elba Buerosysteme Erich Kraut Vorrichtung zum Aufbewahren von Datendisketten in Registraturmitteln
GB2208330B (en) * 1987-07-27 1991-12-04 Hitachi Ltd An optical disc cartridge and a mechanism for preventing an incorrect insertion of a cartridge.
KR0124147B1 (ko) * 1987-07-29 1997-11-28 나가이 아쯔시 디스크 카트리지
EP0339651B1 (en) * 1988-04-28 1995-11-29 Dai Nippon Insatsu Kabushiki Kaisha Disc cartridge
US5289457A (en) * 1988-04-28 1994-02-22 Dai Nippon Insatsu Kabushiki Kaisha Disc cartridge with bent spring design for closing a closure shutter
JP2595654B2 (ja) 1988-05-23 1997-04-02 ソニー株式会社 ディスクカートリッジ用シャッタ及びその製造方法
DE68918195T2 (de) * 1988-07-26 1995-03-16 Hitachi Maxell Verschlussschieber einer Plattenkassette, Vorrichtung und Verfahren zur dessen Herstellung.
US5161081A (en) * 1988-08-13 1992-11-03 Sony Corporation Disk cartridge made by injecting molten synthetic resin into a mold so that flash lines, weld lines and burn marks do not occur
JPH0283876A (ja) * 1988-09-20 1990-03-23 Hitachi Maxell Ltd デイスクカートリツジ
US5021913A (en) * 1989-04-24 1991-06-04 Overland Bolling Company Shutter for covering a window opening in a case that contains a flexible disk
US5036421A (en) * 1989-05-31 1991-07-30 Tdk Corporation Disc cartridge having an improved shutter configuration
US5161080A (en) * 1989-11-02 1992-11-03 Sony Corporation Reduced friction disc cartridge shutter sirfaces
KR100252370B1 (ko) * 1990-02-14 2000-04-15 기타지마 요시토시 3.5인치용의디스크카트리지
JPH0438689A (ja) * 1990-05-31 1992-02-07 Sony Corp ディスクカートリッジ
JP3019393B2 (ja) * 1990-10-01 2000-03-13 ソニー株式会社 ディスクカセット用合成樹脂製シャッタの加熱処理方法およびディスクカセット用合成樹脂製シャッタの加熱処理装置
US5200871A (en) * 1991-02-05 1993-04-06 Hoechst Celanese Corporation Flexible magnetic disc cassettes with integrally molded drag fingers
US5212614A (en) * 1991-02-05 1993-05-18 Hoechst Celanese Corporation Flexible magnetic disc cassettes with separable cassette cases
US5177656A (en) * 1991-02-05 1993-01-05 Hoechst Celanese Corporation Flexible magnetic disc cassettes with integrally molded wear button
US5164871A (en) * 1991-02-05 1992-11-17 Hoechst Celanese Corporation Shutters with integrally molded spring elements for flexible magnetic disc cassettes
CA2062100C (en) * 1991-03-05 2000-10-31 Hirotoshi Fujisawa Disc cartridge
US5214555A (en) * 1991-04-12 1993-05-25 Hoechst Celanese Corporation Central hubs for flexible magnetic data discs formed of magnetically soft polyacetal compositions
US5527606A (en) * 1991-07-25 1996-06-18 Sony Corporation Disk cassette shutter
JP3103902B2 (ja) * 1991-08-23 2000-10-30 ソニー株式会社 シャッタの製造方法
JP2592370B2 (ja) * 1991-08-26 1997-03-19 富士写真フイルム株式会社 磁気ディスクカートリッジ用のプラスチックシャッタの成形方法
US5815344A (en) * 1992-02-17 1998-09-29 Sony Corporation Disc cartridge loading apparatus
JP3893419B2 (ja) * 1994-04-20 2007-03-14 富士フイルム株式会社 射出成形用金型
US5570341A (en) * 1994-06-21 1996-10-29 Opticord, Inc. Method of assembling disk cartridge with one-piece plastic molded door
US5631792A (en) * 1995-09-13 1997-05-20 Imation Corp. Triangle-shaped movable shutter for data storage diskette cartridge
USD381644S (en) * 1995-09-13 1997-07-29 Imation Corp. Triangle-shaped movable shutter for a data storage diskette cartridge
USD381643S (en) * 1995-09-13 1997-07-29 Imation Corp. Data storage diskette cartridge
US6118757A (en) * 1997-02-26 2000-09-12 Opticord, Inc. Data information disk cartridge and method of assembly and use
US6510131B1 (en) * 2000-02-16 2003-01-21 Imation Corp. Data storage disk cartridge including a shutter assembly with a stress relief mechanism

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3118960A (en) * 1961-04-27 1964-01-21 Goodyear Aerospace Corp Method of forming stretched plastic
US3974252A (en) * 1974-07-05 1976-08-10 Bischoff Jr Robert F Process of forming moldable polymers
JPS55109640A (en) * 1979-02-16 1980-08-23 Pentel Kk Manufacturing cap with clip of synthetic resin
JPS6138145Y2 (xx) * 1980-08-14 1986-11-04
JPS5736473A (en) * 1980-08-14 1982-02-27 Sony Corp Rotating driving device
JPS5835181U (ja) * 1981-08-31 1983-03-07 ソニー株式会社 ディスクカセット
JPS606946Y2 (ja) * 1981-11-25 1985-03-07 ソニー株式会社 磁気デイスク装置
JPS5897166A (ja) * 1981-12-03 1983-06-09 Sony Corp フロツピ−デイスクカセツト
JPS595465A (ja) * 1982-07-01 1984-01-12 Sony Corp 記録再生用デイスクカセツト
JPS59177073U (ja) * 1983-05-13 1984-11-27 ソニー株式会社 ディスクカセット
EP0137965B1 (en) * 1983-08-20 1989-04-05 Hitachi Maxell Ltd. Disc cartridge
JPH0772987B2 (ja) * 1983-12-08 1995-08-02 日立マクセル株式会社 デイスクカートリツジ

Also Published As

Publication number Publication date
EP0160538A3 (en) 1987-12-02
DE3581829D1 (de) 1991-04-04
US4698714A (en) 1987-10-06
AU589123B2 (en) 1989-10-05
KR850007517A (ko) 1985-12-04
EP0160538B1 (en) 1991-02-27
CA1241740A (en) 1988-09-06
KR930008781B1 (ko) 1993-09-15
EP0160538A2 (en) 1985-11-06
AU4170685A (en) 1985-10-31

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Legal Events

Date Code Title Description
PF Patent in force
PE Patent expired

Effective date: 20050425