GB697524A - Improvements in or relating to machine and method for producing phonograph disk records - Google Patents

Improvements in or relating to machine and method for producing phonograph disk records

Info

Publication number
GB697524A
GB697524A GB2841550A GB2841550A GB697524A GB 697524 A GB697524 A GB 697524A GB 2841550 A GB2841550 A GB 2841550A GB 2841550 A GB2841550 A GB 2841550A GB 697524 A GB697524 A GB 697524A
Authority
GB
United Kingdom
Prior art keywords
relating
machine
disk records
phonograph disk
producing
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
GB2841550A
Inventor
Abraham Isaac Massler
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.)
M & W Co Inc
Original Assignee
M & W Co Inc
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 M & W Co Inc filed Critical M & W Co Inc
Priority to GB2841550A priority Critical patent/GB697524A/en
Publication of GB697524A publication Critical patent/GB697524A/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
    • B29C45/03—Injection moulding apparatus

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)

Abstract

697,524. Gramophone records. M. & W. CO., Inc. Nov. 21, 1950, No. 28415/50. Drawings to Specification. Class 40 (ii) [Also in Groups V and XXIX] A disc gramophone record having the usual central hole therein is made by injection-moulding from vinyl or other resin.
GB2841550A 1950-11-21 1950-11-21 Improvements in or relating to machine and method for producing phonograph disk records Expired GB697524A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2841550A GB697524A (en) 1950-11-21 1950-11-21 Improvements in or relating to machine and method for producing phonograph disk records

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2841550A GB697524A (en) 1950-11-21 1950-11-21 Improvements in or relating to machine and method for producing phonograph disk records

Publications (1)

Publication Number Publication Date
GB697524A true GB697524A (en) 1953-09-23

Family

ID=10275265

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2841550A Expired GB697524A (en) 1950-11-21 1950-11-21 Improvements in or relating to machine and method for producing phonograph disk records

Country Status (1)

Country Link
GB (1) GB697524A (en)

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