AT371262B - FORM AND METHOD FOR PRODUCING AN INFORMATION CARRIER - Google Patents

FORM AND METHOD FOR PRODUCING AN INFORMATION CARRIER

Info

Publication number
AT371262B
AT371262B AT0231580A AT231580A AT371262B AT 371262 B AT371262 B AT 371262B AT 0231580 A AT0231580 A AT 0231580A AT 231580 A AT231580 A AT 231580A AT 371262 B AT371262 B AT 371262B
Authority
AT
Austria
Prior art keywords
producing
information carrier
carrier
information
Prior art date
Application number
AT0231580A
Other languages
German (de)
Other versions
ATA231580A (en
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 ATA231580A publication Critical patent/ATA231580A/en
Application granted granted Critical
Publication of AT371262B publication Critical patent/AT371262B/en

Links

Classifications

    • 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
    • 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)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
AT0231580A 1979-04-30 1980-04-30 FORM AND METHOD FOR PRODUCING AN INFORMATION CARRIER AT371262B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7914992 1979-04-30
US9301279A 1979-11-09 1979-11-09

Publications (2)

Publication Number Publication Date
ATA231580A ATA231580A (en) 1982-10-15
AT371262B true AT371262B (en) 1983-06-10

Family

ID=26271369

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0231580A AT371262B (en) 1979-04-30 1980-04-30 FORM AND METHOD FOR PRODUCING AN INFORMATION CARRIER

Country Status (4)

Country Link
AT (1) AT371262B (en)
DE (1) DE3015137A1 (en)
FR (1) FR2455506A1 (en)
IT (1) IT1141411B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5427520A (en) * 1992-01-31 1995-06-27 Sony Corporation Mold device for fabricating disc substrate

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3298059A (en) * 1964-06-11 1967-01-17 Victor Company Of Japan Press machine for molding records
GB1187968A (en) * 1966-06-24 1970-04-15 Emi Ltd Apparatus for Moulding 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
IT1141411B (en) 1986-10-01
DE3015137A1 (en) 1980-11-20
FR2455506B1 (en) 1985-02-08
ATA231580A (en) 1982-10-15
FR2455506A1 (en) 1980-11-28
IT8021305A0 (en) 1980-04-10

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee