BE750640A - Polyester grammofoonplaten - Google Patents

Polyester grammofoonplaten

Info

Publication number
BE750640A
BE750640A BE750640DA BE750640A BE 750640 A BE750640 A BE 750640A BE 750640D A BE750640D A BE 750640DA BE 750640 A BE750640 A BE 750640A
Authority
BE
Belgium
Prior art keywords
grammofoonplaten
polyester
grammofoonplaten polyester
Prior art date
Application number
Other languages
English (en)
Original Assignee
Akzo Nv
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 Akzo Nv filed Critical Akzo Nv
Publication of BE750640A publication Critical patent/BE750640A/fr

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/68—Record carriers
    • G11B3/70—Record carriers characterised by the selection of material or structure; Processes or apparatus specially adapted for manufacturing record carriers
    • 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
    • B29D17/002—Producing phonograph records
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0039—Amorphous

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
BE750640D 1969-05-20 1970-05-20 Polyester grammofoonplaten BE750640A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6907654A NL6907654A (fr) 1969-05-20 1969-05-20

Publications (1)

Publication Number Publication Date
BE750640A true BE750640A (fr) 1970-11-03

Family

ID=19806972

Family Applications (1)

Application Number Title Priority Date Filing Date
BE750640D BE750640A (fr) 1969-05-20 1970-05-20 Polyester grammofoonplaten

Country Status (4)

Country Link
BE (1) BE750640A (fr)
DE (2) DE1936722A1 (fr)
FR (1) FR2043533A1 (fr)
NL (1) NL6907654A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2024410B1 (en) * 2019-12-09 2021-08-31 Martinus Gerardus Theunisse Adrianus Method for producing gramophone records by injection moulding

Also Published As

Publication number Publication date
DE1936722A1 (de) 1970-11-26
DE6946051U (de) 1970-06-11
FR2043533A1 (fr) 1971-02-19
NL6907654A (fr) 1969-09-25

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