ATE177240T1 - Verfahren zur rückgewinnung von harzmaterial aus plattenförmigen optischen informationsträgern - Google Patents

Verfahren zur rückgewinnung von harzmaterial aus plattenförmigen optischen informationsträgern

Info

Publication number
ATE177240T1
ATE177240T1 AT93909642T AT93909642T ATE177240T1 AT E177240 T1 ATE177240 T1 AT E177240T1 AT 93909642 T AT93909642 T AT 93909642T AT 93909642 T AT93909642 T AT 93909642T AT E177240 T1 ATE177240 T1 AT E177240T1
Authority
AT
Austria
Prior art keywords
resin material
optical information
information carriers
plate optical
recovering resin
Prior art date
Application number
AT93909642T
Other languages
English (en)
Inventor
Kunihiko Tokura
Masaru Uryu
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
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of ATE177240T1 publication Critical patent/ATE177240T1/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02—Separating plastics from other materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
    • B24D3/20—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially organic
    • B24D3/28—Resins or natural or synthetic macromolecular compounds
    • 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
    • B29K2069/00—Use of PC, i.e. polycarbonates or derivatives thereof, as moulding material
    • 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
    • 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
    • B29L2009/00—Layered products
    • B29L2009/005—Layered products coated
    • 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
    • B29L2017/00—Carriers for sound or information
    • 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
    • B29L2017/00—Carriers for sound or information
    • B29L2017/001—Carriers of records containing fine grooves or impressions, e.g. disc records for needle playback, cylinder records
    • B29L2017/003—Records or discs
    • B29L2017/005—CD''s, DVD''s
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
AT93909642T 1991-12-05 1992-12-03 Verfahren zur rückgewinnung von harzmaterial aus plattenförmigen optischen informationsträgern ATE177240T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP32181291 1991-12-05
JP28455892A JP3232705B2 (ja) 1991-12-05 1992-10-22 光学記録ディスクからの樹脂材料の再生方法

Publications (1)

Publication Number Publication Date
ATE177240T1 true ATE177240T1 (de) 1999-03-15

Family

ID=26555508

Family Applications (1)

Application Number Title Priority Date Filing Date
AT93909642T ATE177240T1 (de) 1991-12-05 1992-12-03 Verfahren zur rückgewinnung von harzmaterial aus plattenförmigen optischen informationsträgern

Country Status (6)

Country Link
US (1) US5445555A (de)
EP (1) EP0570600B1 (de)
JP (1) JP3232705B2 (de)
AT (1) ATE177240T1 (de)
DE (1) DE69228535T2 (de)
WO (1) WO1993011533A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5320515A (en) * 1993-01-26 1994-06-14 Sony Music Entertainment Inc. Apparatus for defacing compact discs
DE69722932T2 (de) * 1996-04-19 2004-05-13 Teijin Chemicals Ltd. Verfahren zum wiedergewinnen von harzen
US5972159A (en) * 1997-02-28 1999-10-26 Sony Corporation Optical recording disc recycling method
US6066229A (en) * 1997-07-10 2000-05-23 Sony Corporation Method of recycling disk recording medium and apparatus for recovering metal reflective film
JP3148199B2 (ja) 1999-03-31 2001-03-19 オリエント測器コンピュータ株式会社 光ディスクの基板回収装置
EP1049095A3 (de) 1999-04-28 2006-06-28 Victor Company Of Japan, Ltd. Informationsaufzeichnungsmedium und Wiedergabegerät
US6789231B1 (en) 1999-10-05 2004-09-07 Microsoft Corporation Method and system for providing alternatives for text derived from stochastic input sources
US6991524B1 (en) 2000-07-07 2006-01-31 Disc Go Technologies Inc. Method and apparatus for reconditioning digital discs
JP3801914B2 (ja) * 2001-12-25 2006-07-26 富士写真フイルム株式会社 測定チップの再使用方法
JP2004050770A (ja) * 2002-07-24 2004-02-19 Tomoaki Ito 光ディスクのリサイクル方法およびリサイクルシステム
US11951655B2 (en) * 2021-10-24 2024-04-09 Shreya Majumdar Separation of multi-layered material to facilitate recycling

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3943666A (en) * 1974-07-31 1976-03-16 Dysan Corporation Method and apparatus for burnishing flexible recording material
JPS53112979A (en) * 1977-03-14 1978-10-02 Teijin Ltd Recovery of base film from magnetic recording material
US4347689A (en) * 1980-10-20 1982-09-07 Verbatim Corporation Method for burnishing
DE3103874A1 (de) * 1981-02-05 1982-09-09 Basf Ag, 6700 Ludwigshafen Verfahren und vorrichtung zum bearbeiten der oberflaeche magnetischer aufzeichnungstraeger
JPS61136764A (ja) * 1984-12-04 1986-06-24 Fuji Photo Film Co Ltd 磁気デイスクのバ−ニツシユ方法およびその装置
DE3511711C2 (de) * 1985-03-29 1993-12-09 Polygram Gmbh Wiederaufbereitung hochwertiger Kunststoffe aus Abfällen und Ausschußwerkstücken
KR900700535A (ko) * 1988-03-09 1990-08-16 리챠드 지. 워터맨 첨가제 개질된 열가소성 블렌드의 제조
US4884483A (en) * 1988-03-17 1989-12-05 Carboloy Inc. Device for locking a tool holder to a tool block
DE3816561C1 (de) * 1988-05-14 1989-03-16 Harald 7121 Ingersheim De Schmid
JPH01307019A (ja) * 1988-06-02 1989-12-12 Sony Corp ハードディスク用基板の再生方法
JPH029516U (de) * 1988-06-23 1990-01-22
US4964242A (en) * 1989-09-22 1990-10-23 Exclusive Design Company Apparatus for texturing rigid-disks used in digital magnetic recording systems
US5099615A (en) * 1989-09-22 1992-03-31 Exclusive Design Company, Inc. Automated rigid-disk finishing system providing in-line process control
US5199143A (en) * 1991-05-22 1993-04-06 Defazio August Shaving machine
US5220754A (en) * 1992-03-02 1993-06-22 Amad Tayebi Recovered compact disk and a method and an apparatus for recovery thereof
US5307593A (en) * 1992-08-31 1994-05-03 Minnesota Mining And Manufacturing Company Method of texturing rigid memory disks using an abrasive article

Also Published As

Publication number Publication date
EP0570600A4 (de) 1994-03-18
DE69228535T2 (de) 1999-09-23
DE69228535D1 (de) 1999-04-08
EP0570600B1 (de) 1999-03-03
US5445555A (en) 1995-08-29
JP3232705B2 (ja) 2001-11-26
WO1993011533A1 (fr) 1993-06-10
JPH05210873A (ja) 1993-08-20
EP0570600A1 (de) 1993-11-24

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee