FR564475A - Improvements in the manufacture of phonograph records - Google Patents

Improvements in the manufacture of phonograph records

Info

Publication number
FR564475A
FR564475A FR564475DA FR564475A FR 564475 A FR564475 A FR 564475A FR 564475D A FR564475D A FR 564475DA FR 564475 A FR564475 A FR 564475A
Authority
FR
France
Prior art keywords
manufacture
phonograph records
phonograph
records
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)
Inventor
George Howlett Davis
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 filed Critical
Application granted granted Critical
Publication of FR564475A publication Critical patent/FR564475A/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)
FR564475D 1923-03-29 1923-03-29 Improvements in the manufacture of phonograph records Expired FR564475A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR564475T 1923-03-29

Publications (1)

Publication Number Publication Date
FR564475A true FR564475A (en) 1923-12-31

Family

ID=8945771

Family Applications (1)

Application Number Title Priority Date Filing Date
FR564475D Expired FR564475A (en) 1923-03-29 1923-03-29 Improvements in the manufacture of phonograph records

Country Status (1)

Country Link
FR (1) FR564475A (en)

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