HK50186A - Moulding apparatus for record discs - Google Patents

Moulding apparatus for record discs

Info

Publication number
HK50186A
HK50186A HK501/86A HK50186A HK50186A HK 50186 A HK50186 A HK 50186A HK 501/86 A HK501/86 A HK 501/86A HK 50186 A HK50186 A HK 50186A HK 50186 A HK50186 A HK 50186A
Authority
HK
Hong Kong
Prior art keywords
mould halves
moulding apparatus
record disc
mould
moulded
Prior art date
Application number
HK501/86A
Other languages
English (en)
Inventor
John R Holmes
Original Assignee
Discovision Ass
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=21858168&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HK50186(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Discovision Ass filed Critical Discovision Ass
Publication of HK50186A publication Critical patent/HK50186A/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D17/00—Producing carriers of records containing fine grooves or impressions, e.g. disc records for needle playback, cylinder records; Producing record discs from master stencils
    • 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
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/263—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • 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
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/263—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs
    • B29C2045/2653—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs using two stampers
    • 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
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/34—Moulds having venting means
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Catching Or Destruction (AREA)
  • Holo Graphy (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Steroid Compounds (AREA)
  • Packaging For Recording Disks (AREA)
  • Moulding By Coating Moulds (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Cereal-Derived Products (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
HK501/86A 1979-04-18 1986-07-03 Moulding apparatus for record discs HK50186A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3120579A 1979-04-18 1979-04-18

Publications (1)

Publication Number Publication Date
HK50186A true HK50186A (en) 1986-07-11

Family

ID=21858168

Family Applications (1)

Application Number Title Priority Date Filing Date
HK501/86A HK50186A (en) 1979-04-18 1986-07-03 Moulding apparatus for record discs

Country Status (11)

Country Link
EP (1) EP0018210B2 (de)
JP (2) JPS55146714A (de)
KR (1) KR830002179B1 (de)
AT (1) ATE11888T1 (de)
AU (1) AU532903B2 (de)
BR (1) BR8002296A (de)
CA (1) CA1143517A (de)
DE (1) DE3070196D1 (de)
ES (1) ES8104945A1 (de)
HK (1) HK50186A (de)
MY (1) MY8700049A (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4372741A (en) * 1980-10-31 1983-02-08 Discovision Associates Hot sprue valve assembly for an injection molding machine
US4340353A (en) * 1980-10-31 1982-07-20 Discovision Associates Hot sprue valve assembly for an injection molding machine
US4466934A (en) * 1980-10-31 1984-08-21 Discovision Associates Hot sprue valve assembly for an injection molding machine
JPS59230731A (ja) * 1983-06-14 1984-12-25 Meiki Co Ltd 中心部を開口した薄肉円盤の射出成形装置
JPS60196322A (ja) * 1984-03-19 1985-10-04 Meiki Co Ltd ディスク基盤用成形型及びそれを用いたディスク基盤の射出成形法
JPS60201919A (ja) * 1984-03-27 1985-10-12 Meiki Co Ltd 射出成形装置
FR2563772A1 (fr) * 1984-05-04 1985-11-08 Pathe Marconi Emi Dispositif pour mouler par injection des disques support d'enregistrement
JPS60247530A (ja) * 1984-05-23 1985-12-07 Tekunopurasu:Kk 金型のスプルブツシユ構造
JPS6129520A (ja) * 1984-07-20 1986-02-10 Meiki Co Ltd 薄肉円盤の射出装置
JPH038412Y2 (de) * 1985-01-31 1991-03-01
DE3683491D1 (de) * 1986-02-26 1992-02-27 Meiki Seisakusho Kk Formvorrichtung und verfahren zum herstellen von platten mit mittelloch.
JPH0551621U (ja) * 1991-12-10 1993-07-09 積水化学工業株式会社 射出成形用金型
US5427520A (en) * 1992-01-31 1995-06-27 Sony Corporation Mold device for fabricating disc substrate
US6139307A (en) * 1998-07-23 2000-10-31 Imation Corp. Assembly for molding optical data storage disks formatted on both sides
US6678238B1 (en) 1999-12-29 2004-01-13 Imation Corp. Mold for manufacturing double-sided disk shaped articles for storing data
US6821460B2 (en) 2001-07-16 2004-11-23 Imation Corp. Two-sided replication of data storage media
DE102015115466B4 (de) * 2015-09-14 2017-05-11 Euwe Eugen Wexler Holding Gmbh & Co. Kg Spritzgießwerkzeug zur Herstellung eines Kunststoffbauteils, Werkzeugelement und Verfahren zur Herstellung eines Kunststoffbauteils

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB948476A (en) * 1961-03-22 1964-02-05 Werner Battenfeld An apparatus for the production of pressed synthetic plastics mouldings
CH453671A (fr) * 1965-10-05 1968-03-31 Wasal Anstalt Procédé de fabrication d'objets moulés présentant un trou
GB1301095A (en) * 1969-03-26 1972-12-29 Emi Ltd Formerly Electric & Mu Improvements in or relating to the production of gramophone records
DE2321940A1 (de) * 1972-05-03 1973-11-15 Emi Ltd Verfahren zum formen von gegenstaenden und vorrichtung zur durchfuehrung des verfahrens
US3937779A (en) * 1972-05-03 1976-02-10 Emi Limited Moulding of gramophone records
US3989436A (en) * 1975-12-18 1976-11-02 Rca Corporation Apparatus for producing injection molded and centrally apertured disc records

Also Published As

Publication number Publication date
KR830002591A (ko) 1983-05-30
CA1143517A (en) 1983-03-29
JPH0137250B2 (de) 1989-08-04
JPS55146714A (en) 1980-11-15
KR830002179B1 (ko) 1983-10-18
JPS6134370B2 (de) 1986-08-07
AU532903B2 (en) 1983-10-20
DE3070196D1 (en) 1985-03-28
ES490646A0 (es) 1981-05-16
EP0018210B1 (de) 1985-02-20
MY8700049A (en) 1987-12-31
BR8002296A (pt) 1980-12-02
JPS61179714A (ja) 1986-08-12
EP0018210B2 (de) 1988-07-20
EP0018210A1 (de) 1980-10-29
AU5738980A (en) 1980-10-23
ES8104945A1 (es) 1981-05-16
ATE11888T1 (de) 1985-03-15

Similar Documents

Publication Publication Date Title
DE3070196D1 (en) Moulding apparatus for record discs
ATE25612T1 (de) Heissangusskanal-ventilzusammenbau fuer eine spritzgiessmaschine.
GB2006666A (en) Producing holes in injection moulded discs
ES455627A1 (es) Perfeccionamientos en la fabricacion de piezas inyectadas demateriales plasticos de estructura compuesta.
US4374636A (en) Apparatus for producing centrally apertured record discs
EP0596413A3 (de) Verfahren und Vorrichtung zur Herstellung von Substraten einer optischen Platte.
GB976369A (en) Manufacture of articles from thermoplastic polymeric materials
GB1078552A (en) Injection moulding machine for thermoplastic synthetic plastic materials
CA2127617A1 (en) Process for injection molding arcuately-shaped hollow articles
JPS57203512A (en) Stripping method and apparatus for synthetic resin molding with undercut section
GB650692A (en) Injection mold for use in molding opthalmic lenses and other articles
ES442176A1 (es) Perfeccionamientos en moldes abribles de moldeo por inyec- cion para materias termoplasticas.
GB1339712A (en) Injection moulding process
US4532095A (en) Method of making a video disc from a disc preform
GB940903A (en) Process and apparatus for the manufacture from plastics of sealing rings for mechanical shaft seals
GB1474250A (en) Manufacture of plastics articles
FR2453013A1 (fr) Presse de moulage par injection compression
GB1086751A (en) Method of compression molding articles from a synthetic resin
GB842153A (en) Improvements in or relating to gramophone disc records
JPS58140710U (ja) プラスチツク眼鏡リムを作製する射出成形用金型
JPS57117918A (en) Mold for synthetic resin plate spring
GB856112A (en) Improvements in or relating to the manufacture of gramophone records
JPS60179237A (ja) 合成樹脂製薄肉面状容器の製造方法
JPS5669126A (en) Method of manufacturing record disc
GB704735A (en) A method for the manufacture of key buttons for typewriters, calculating machines or the like

Legal Events

Date Code Title Description
PE Patent expired