FR1507289A - Method and device for the production of phonographic records by injection - Google Patents

Method and device for the production of phonographic records by injection

Info

Publication number
FR1507289A
FR1507289A FR83793A FR83793A FR1507289A FR 1507289 A FR1507289 A FR 1507289A FR 83793 A FR83793 A FR 83793A FR 83793 A FR83793 A FR 83793A FR 1507289 A FR1507289 A FR 1507289A
Authority
FR
France
Prior art keywords
injection
production
phonographic records
phonographic
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
FR83793A
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.)
PATHE MARCONI IND MUSIC
Original Assignee
PATHE MARCONI IND MUSIC
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 PATHE MARCONI IND MUSIC filed Critical PATHE MARCONI IND MUSIC
Priority to FR83793A priority Critical patent/FR1507289A/en
Priority to GB5056367A priority patent/GB1205623A/en
Priority to DE19671704738 priority patent/DE1704738A1/en
Application granted granted Critical
Publication of FR1507289A publication Critical patent/FR1507289A/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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/263—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/34—Moulds having venting means
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/263—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs
    • B29C2045/2653—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs using two stampers
    • 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
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/004—Shaping under special conditions
    • B29C2791/006—Using vacuum

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
FR83793A 1966-11-16 1966-11-16 Method and device for the production of phonographic records by injection Expired FR1507289A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR83793A FR1507289A (en) 1966-11-16 1966-11-16 Method and device for the production of phonographic records by injection
GB5056367A GB1205623A (en) 1966-11-16 1967-11-07 Improvements in or relating to a method and apparatus for the manufacture of gramophone records
DE19671704738 DE1704738A1 (en) 1966-11-16 1967-11-10 Method of making records

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR83793A FR1507289A (en) 1966-11-16 1966-11-16 Method and device for the production of phonographic records by injection

Publications (1)

Publication Number Publication Date
FR1507289A true FR1507289A (en) 1967-12-29

Family

ID=8621088

Family Applications (1)

Application Number Title Priority Date Filing Date
FR83793A Expired FR1507289A (en) 1966-11-16 1966-11-16 Method and device for the production of phonographic records by injection

Country Status (3)

Country Link
DE (1) DE1704738A1 (en)
FR (1) FR1507289A (en)
GB (1) GB1205623A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2563772A1 (en) * 1984-05-04 1985-11-08 Pathe Marconi Emi DEVICE FOR MOLDING BY INJECTION OF DISCS RECORDING MEDIUM

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL177721B (en) * 1977-03-14 1985-06-03 Philips Nv METHOD FOR MANUFACTURING A PLASTIC INFORMATION CARRIER WITH LAYERED STRUCTURE AND AN APPARATUS FOR CARRYING OUT THE METHOD
FR2468456A1 (en) * 1979-09-06 1981-05-08 Thomson Csf DEVICE FOR MOLDING INFORMATION CARRIER DISCS

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2563772A1 (en) * 1984-05-04 1985-11-08 Pathe Marconi Emi DEVICE FOR MOLDING BY INJECTION OF DISCS RECORDING MEDIUM
EP0166515A1 (en) * 1984-05-04 1986-01-02 Pathe Marconi Emi Sa Apparatus for the injection moulding of disc records
US4681527A (en) * 1984-05-04 1987-07-21 Pathe Marconi Emi Sa Apparatus for the injection moulding of disc records

Also Published As

Publication number Publication date
DE1704738A1 (en) 1971-05-19
GB1205623A (en) 1970-09-16

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