IT1153946B - Metodo di fabbricazione di un disco registrato, di tipo stratificato - Google Patents

Metodo di fabbricazione di un disco registrato, di tipo stratificato

Info

Publication number
IT1153946B
IT1153946B IT25040/82A IT2504082A IT1153946B IT 1153946 B IT1153946 B IT 1153946B IT 25040/82 A IT25040/82 A IT 25040/82A IT 2504082 A IT2504082 A IT 2504082A IT 1153946 B IT1153946 B IT 1153946B
Authority
IT
Italy
Prior art keywords
manufacture
layer type
registered disc
registered
disc
Prior art date
Application number
IT25040/82A
Other languages
English (en)
Other versions
IT8225040A0 (it
IT8225040A1 (it
Inventor
Kerry Dennis O'mara
Original Assignee
Rca 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 Rca Corp filed Critical Rca Corp
Publication of IT8225040A0 publication Critical patent/IT8225040A0/it
Publication of IT8225040A1 publication Critical patent/IT8225040A1/it
Application granted granted Critical
Publication of IT1153946B publication Critical patent/IT1153946B/it

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
    • B29B11/00—Making preforms
    • B29B11/06—Making preforms by moulding the material
    • B29B11/08—Injection moulding
    • 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
    • B29C43/20—Making multilayered or multicoloured articles
    • B29C43/203—Making multilayered 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
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1642—Making multilayered or multicoloured articles having a "sandwich" structure
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/16—Fillers
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/26—Scrap or recycled material
    • 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
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/81—Sound record

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
IT25040/82A 1982-01-26 1982-12-29 Metodo di fabbricazione di un disco registrato, di tipo stratificato IT1153946B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/343,016 US4390487A (en) 1982-01-26 1982-01-26 Method of making a laminated recorded disc

Publications (3)

Publication Number Publication Date
IT8225040A0 IT8225040A0 (it) 1982-12-29
IT8225040A1 IT8225040A1 (it) 1984-06-29
IT1153946B true IT1153946B (it) 1987-01-21

Family

ID=23344325

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25040/82A IT1153946B (it) 1982-01-26 1982-12-29 Metodo di fabbricazione di un disco registrato, di tipo stratificato

Country Status (6)

Country Link
US (1) US4390487A (it)
JP (1) JPS58132524A (it)
DE (1) DE3301511A1 (it)
FR (1) FR2520288A1 (it)
GB (1) GB2113602B (it)
IT (1) IT1153946B (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4478566A (en) * 1982-02-18 1984-10-23 Rca Corporation Apparatus for injection molding an article
US4515830A (en) * 1983-11-29 1985-05-07 Rca Corporation Solvent-cast capacitive high density information disc
US4575838A (en) * 1984-02-29 1986-03-11 Rca Corporation Sandwich-type capacitive electronic discs
JPS60261048A (ja) * 1984-06-08 1985-12-24 Victor Co Of Japan Ltd 情報信号記録媒体
GB2166999B (en) * 1984-11-16 1989-05-17 Emi Plc Thorn Apparatus for moulding a pre-form
DE3545162A1 (de) * 1985-12-20 1987-07-02 Battenfeld Fischer Blasform Verfahren und vorrichtung zum herstellen von hohlkoerpern aus thermoplastischen kunststoffen
DE19543354A1 (de) * 1995-11-21 1997-05-22 Leybold Ag Vorrichtung zum Trocknen einer Lackschicht
JP2001163628A (ja) * 1999-10-01 2001-06-19 Hoya Corp 成形品の製造方法
WO2005061077A1 (ja) 2003-12-19 2005-07-07 Sintokogio, Ltd. 集塵装置用カートリッジエレメント
CN1925959A (zh) 2004-03-01 2007-03-07 艾萨帕克控股公司 多层合成物品
US11492708B2 (en) 2018-01-29 2022-11-08 The Boeing Company Cold spray metallic coating and methods

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1488253A (en) * 1922-03-20 1924-03-25 Howbrigg Edwin Remade phonograph record and process of pressing same
US2452821A (en) * 1944-06-29 1948-11-02 Rca Corp Method of making phonograph records
GB842153A (en) * 1956-03-07 1960-07-20 Deutsche Grammophon Gmbh Improvements in or relating to gramophone disc records
US2996764A (en) * 1956-12-03 1961-08-22 Dow Chemical Co Method of molding plastic articles from two or more plastic materials
CH384235A (de) * 1960-06-08 1964-11-15 Utiger Heinrich Verfahren zur Herstellung einer Schallplatte mit einem mindestens von einer Plattenseite her sichtbaren Bild
US3378612A (en) * 1964-01-07 1968-04-16 Fmc Corp Method of making foamed articles
US3339240A (en) * 1965-07-29 1967-09-05 Nat Distillers Chem Corp Apparatus for laminar injection molding
US3825637A (en) * 1967-07-26 1974-07-23 Ici Ltd Injection molding of foam cored sandwich structures
GB1255970A (en) * 1968-12-31 1971-12-08 Ici Ltd Improvements in or relating to the production of laminar articles
US3584094A (en) * 1969-01-08 1971-06-08 Pic Tur Records Inc Method of making picture-type phonograph records
US3739052A (en) * 1970-08-11 1973-06-12 Dow Chemical Co Scrapless forming of plastic articles
GB1360303A (en) * 1972-01-20 1974-07-17 Ici Ltd Injection moulding process
US4035466A (en) * 1972-09-27 1977-07-12 Erhard Langecker Method for central injection molding
US3921856A (en) * 1972-09-27 1975-11-25 Erhard Langecker Injection molding nozzle
US3901958A (en) * 1973-03-23 1975-08-26 Cellu Prod Co Method and apparatus for forming foamed plastic articles
US4248818A (en) * 1978-12-28 1981-02-03 Kathleen Elizabeth Process for making a record
US4213927A (en) * 1979-06-29 1980-07-22 Alberti John D Method of making picture phonograph record
US4315878A (en) * 1980-01-14 1982-02-16 H. B. Fuller Company Manufacture of blanks for recording discs utilizing coextrusion and blanks and records made thereby
US4334849A (en) * 1981-02-03 1982-06-15 Rca Corporation Apparatus for molding a recorded disc

Also Published As

Publication number Publication date
FR2520288A1 (fr) 1983-07-29
GB2113602B (en) 1985-09-11
GB2113602A (en) 1983-08-10
US4390487A (en) 1983-06-28
GB8300734D0 (en) 1983-02-16
IT8225040A0 (it) 1982-12-29
DE3301511A1 (de) 1983-08-04
IT8225040A1 (it) 1984-06-29
JPS58132524A (ja) 1983-08-06

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