DE1629347A1 - Verfahren zum Herstellen von Grammophon-Schallplatten und Spritzgussmaschine zur Ausubung des Verfahrens - Google Patents

Verfahren zum Herstellen von Grammophon-Schallplatten und Spritzgussmaschine zur Ausubung des Verfahrens

Info

Publication number
DE1629347A1
DE1629347A1 DE19661629347 DE1629347A DE1629347A1 DE 1629347 A1 DE1629347 A1 DE 1629347A1 DE 19661629347 DE19661629347 DE 19661629347 DE 1629347 A DE1629347 A DE 1629347A DE 1629347 A1 DE1629347 A1 DE 1629347A1
Authority
DE
Germany
Prior art keywords
record
injection molding
molding machine
mold plate
mold
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.)
Pending
Application number
DE19661629347
Other languages
German (de)
English (en)
Inventor
Harry Cheesman
Alan Phillipson
Spiller Basil Harry Royston
Robin Smith
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.)
Decca Ltd
Original Assignee
Decca Ltd
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 Decca Ltd filed Critical Decca Ltd
Publication of DE1629347A1 publication Critical patent/DE1629347A1/de
Pending 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
    • B29C45/72—Heating or cooling
    • B29C45/73—Heating or cooling of the mould
    • B29C45/7306—Control circuits therefor
    • 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
    • B29C45/263—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs
    • B29C45/2642—Heating or cooling means therefor
    • 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
    • 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
    • B29C45/40—Removing or ejecting moulded articles
    • B29C45/43—Removing or ejecting moulded articles using fluid under pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
DE19661629347 1965-01-27 1966-01-20 Verfahren zum Herstellen von Grammophon-Schallplatten und Spritzgussmaschine zur Ausubung des Verfahrens Pending DE1629347A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB353065A GB1071340A (en) 1965-01-27 1965-01-27 Improvements in or relating to apparatus for making gramophone records

Publications (1)

Publication Number Publication Date
DE1629347A1 true DE1629347A1 (de) 1971-02-04

Family

ID=9760070

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19661629347 Pending DE1629347A1 (de) 1965-01-27 1966-01-20 Verfahren zum Herstellen von Grammophon-Schallplatten und Spritzgussmaschine zur Ausubung des Verfahrens

Country Status (5)

Country Link
DE (1) DE1629347A1 (OSRAM)
FR (1) FR1462057A (OSRAM)
GB (1) GB1071340A (OSRAM)
NL (1) NL6600992A (OSRAM)
SE (1) SE320789B (OSRAM)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1509997A (fr) * 1966-11-29 1968-01-19 Pathe Marconi Ind Music Perfectionnements à la fabrication de disques phonographiques par injection
GB2006666B (en) * 1977-10-31 1982-09-02 Mca Disco Vision Method and means for replicating centrally apertured videodisc records
NL193077C (nl) * 1977-10-31 1998-09-08 Mca Disco Vision Injectiespuitgietinrichting.
US4340353A (en) * 1980-10-31 1982-07-20 Discovision Associates Hot sprue valve assembly for an injection molding machine
US4405540A (en) 1980-10-31 1983-09-20 Discovision Associates Hot sprue valve assembly for an injection molding machine
FR2600933B1 (fr) * 1986-07-04 1988-12-09 Boussois Sa Procede pour la fabrication d'un vitrage comportant un joint de resine thermofusible surmoule autour de sa peripherie et vitrage ainsi obtenu
JPH0710546B2 (ja) * 1990-11-09 1995-02-08 プラストロン株式会社 加熱装置を有するゲート装置

Also Published As

Publication number Publication date
NL6600992A (OSRAM) 1966-07-28
FR1462057A (fr) 1966-12-09
SE320789B (OSRAM) 1970-02-16
GB1071340A (en) 1967-06-07

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