FR686328A - Improvements to phonograph records and their manufacturing processes - Google Patents

Improvements to phonograph records and their manufacturing processes

Info

Publication number
FR686328A
FR686328A FR686328DA FR686328A FR 686328 A FR686328 A FR 686328A FR 686328D A FR686328D A FR 686328DA FR 686328 A FR686328 A FR 686328A
Authority
FR
France
Prior art keywords
manufacturing processes
phonograph records
phonograph
records
processes
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.)
Wellit Ges Pless & Co
Original Assignee
Wellit Ges Pless & Co
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 Wellit Ges Pless & Co filed Critical Wellit Ges Pless & Co
Application granted granted Critical
Publication of FR686328A publication Critical patent/FR686328A/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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR686328D 1929-10-03 1929-12-09 Improvements to phonograph records and their manufacturing processes Expired FR686328A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT686328X 1929-10-03

Publications (1)

Publication Number Publication Date
FR686328A true FR686328A (en) 1930-07-24

Family

ID=3679026

Family Applications (1)

Application Number Title Priority Date Filing Date
FR686328D Expired FR686328A (en) 1929-10-03 1929-12-09 Improvements to phonograph records and their manufacturing processes

Country Status (1)

Country Link
FR (1) FR686328A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1113834B (en) * 1957-12-23 1961-09-14 Applic Ind Plastiques Soc D Embossing device for records

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1113834B (en) * 1957-12-23 1961-09-14 Applic Ind Plastiques Soc D Embossing device for records

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