FR1172845A - Sound disc - Google Patents

Sound disc

Info

Publication number
FR1172845A
FR1172845A FR1172845DA FR1172845A FR 1172845 A FR1172845 A FR 1172845A FR 1172845D A FR1172845D A FR 1172845DA FR 1172845 A FR1172845 A FR 1172845A
Authority
FR
France
Prior art keywords
sound disc
sound
disc
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Deutsche Grammophon GmbH
Original Assignee
Deutsche Grammophon GmbH
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 Deutsche Grammophon GmbH filed Critical Deutsche Grammophon GmbH
Application granted granted Critical
Publication of FR1172845A publication Critical patent/FR1172845A/en
Expired legal-status Critical Current

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)
FR1172845D 1956-03-07 1957-03-06 Sound disc Expired FR1172845A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1172845X 1956-03-07

Publications (1)

Publication Number Publication Date
FR1172845A true FR1172845A (en) 1959-02-16

Family

ID=7729488

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1172845D Expired FR1172845A (en) 1956-03-07 1957-03-06 Sound disc

Country Status (1)

Country Link
FR (1) FR1172845A (en)

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