DE2057478C3 - Verfahren zur Herstellung von zentrierten Pressmatrizen fur Schall platten und Videoplatten - Google Patents

Verfahren zur Herstellung von zentrierten Pressmatrizen fur Schall platten und Videoplatten

Info

Publication number
DE2057478C3
DE2057478C3 DE2057478A DE2057478A DE2057478C3 DE 2057478 C3 DE2057478 C3 DE 2057478C3 DE 2057478 A DE2057478 A DE 2057478A DE 2057478 A DE2057478 A DE 2057478A DE 2057478 C3 DE2057478 C3 DE 2057478C3
Authority
DE
Germany
Prior art keywords
lacquer film
production
centering
hollow core
record
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
DE2057478A
Other languages
German (de)
English (en)
Other versions
DE2057478B2 (de
DE2057478A1 (de
Inventor
Herbert 2350 Neumuenster Knothe
Klaus 2353 Nortorf Rohwer Werner 2351 Ellerdorf Roeschmann
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.)
TELDEC Telefunken Decca Schallplatten GmbH
Original Assignee
TELDEC Telefunken Decca Schallplatten 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 TELDEC Telefunken Decca Schallplatten GmbH filed Critical TELDEC Telefunken Decca Schallplatten GmbH
Priority to DE2057478A priority Critical patent/DE2057478C3/de
Priority to IT30891/71A priority patent/IT939167B/it
Priority to JP8972371A priority patent/JPS5426881B1/ja
Priority to SE14531/71A priority patent/SE365745B/xx
Priority to NL7115842A priority patent/NL7115842A/xx
Priority to AT1004971A priority patent/AT320306B/de
Priority to BE775667A priority patent/BE775667A/xx
Priority to GB5422271A priority patent/GB1367798A/en
Priority to CH1696371A priority patent/CH544986A/de
Priority to US00201380A priority patent/US3749828A/en
Priority to FR7141878A priority patent/FR2115346B1/fr
Publication of DE2057478A1 publication Critical patent/DE2057478A1/de
Publication of DE2057478B2 publication Critical patent/DE2057478B2/de
Application granted granted Critical
Publication of DE2057478C3 publication Critical patent/DE2057478C3/de
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)
  • Chemically Coating (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
DE2057478A 1970-11-23 1970-11-23 Verfahren zur Herstellung von zentrierten Pressmatrizen fur Schall platten und Videoplatten Expired DE2057478C3 (de)

Priority Applications (11)

Application Number Priority Date Filing Date Title
DE2057478A DE2057478C3 (de) 1970-11-23 1970-11-23 Verfahren zur Herstellung von zentrierten Pressmatrizen fur Schall platten und Videoplatten
IT30891/71A IT939167B (it) 1970-11-23 1971-11-09 Procedimento per il centraggio di matrici di stampaggio per dischi audio e video
JP8972371A JPS5426881B1 (enExample) 1970-11-23 1971-11-10
SE14531/71A SE365745B (enExample) 1970-11-23 1971-11-12
NL7115842A NL7115842A (enExample) 1970-11-23 1971-11-17
BE775667A BE775667A (fr) 1970-11-23 1971-11-22 Procede pour le centrage de matrices de pressage de disques phonographiques ou video
AT1004971A AT320306B (de) 1970-11-23 1971-11-22 Verfahren zur Herstellung eines Negativs von einer Lackfolie für die Schallplatten- und Videoplattenfertigung
GB5422271A GB1367798A (en) 1970-11-23 1971-11-22 Methods for manufacturing sound and video record disc
CH1696371A CH544986A (de) 1970-11-23 1971-11-22 Verfahren zur Herstellung einer zentrierbaren Matrize, mit Hilfe einer Lackfolie, für die Schallplatten- und Videoplattenfertigung
US00201380A US3749828A (en) 1970-11-23 1971-11-23 Method for improving the centering of stamping matrices for sound and video discs
FR7141878A FR2115346B1 (enExample) 1970-11-23 1971-11-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2057478A DE2057478C3 (de) 1970-11-23 1970-11-23 Verfahren zur Herstellung von zentrierten Pressmatrizen fur Schall platten und Videoplatten

Publications (3)

Publication Number Publication Date
DE2057478A1 DE2057478A1 (de) 1972-06-08
DE2057478B2 DE2057478B2 (de) 1973-04-05
DE2057478C3 true DE2057478C3 (de) 1973-10-25

Family

ID=5788855

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2057478A Expired DE2057478C3 (de) 1970-11-23 1970-11-23 Verfahren zur Herstellung von zentrierten Pressmatrizen fur Schall platten und Videoplatten

Country Status (11)

Country Link
US (1) US3749828A (enExample)
JP (1) JPS5426881B1 (enExample)
AT (1) AT320306B (enExample)
BE (1) BE775667A (enExample)
CH (1) CH544986A (enExample)
DE (1) DE2057478C3 (enExample)
FR (1) FR2115346B1 (enExample)
GB (1) GB1367798A (enExample)
IT (1) IT939167B (enExample)
NL (1) NL7115842A (enExample)
SE (1) SE365745B (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2807856A1 (de) * 1978-02-23 1979-09-06 Mfe Corp Positioniervorrichtung
US4472124A (en) * 1980-09-05 1984-09-18 Matsushita Electric Industrial Co., Limited Device for producing an information recording disk

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1253374A (en) * 1916-08-21 1918-01-15 Bertram M Hansen Centering means for phonographic records and the like.
US1755743A (en) * 1928-11-02 1930-04-22 Edgar H Morrison Phonograph disk record

Also Published As

Publication number Publication date
US3749828A (en) 1973-07-31
DE2057478B2 (de) 1973-04-05
NL7115842A (enExample) 1972-05-25
CH544986A (de) 1973-11-30
AT320306B (de) 1975-02-10
BE775667A (fr) 1972-03-16
FR2115346B1 (enExample) 1976-02-13
FR2115346A1 (enExample) 1972-07-07
JPS5426881B1 (enExample) 1979-09-06
IT939167B (it) 1973-02-10
GB1367798A (en) 1974-09-25
SE365745B (enExample) 1974-04-01
DE2057478A1 (de) 1972-06-08

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee