NL7003886A - - Google Patents

Info

Publication number
NL7003886A
NL7003886A NL7003886A NL7003886A NL7003886A NL 7003886 A NL7003886 A NL 7003886A NL 7003886 A NL7003886 A NL 7003886A NL 7003886 A NL7003886 A NL 7003886A NL 7003886 A NL7003886 A NL 7003886A
Authority
NL
Netherlands
Application number
NL7003886A
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
Priority claimed from GB62991/69A external-priority patent/GB1301095A/en
Application filed filed Critical
Publication of NL7003886A publication Critical patent/NL7003886A/xx

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/263Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/27Sprue channels ; Runner channels or runner nozzles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/40Removing or ejecting moulded articles
    • B29C45/43Removing or ejecting moulded articles using fluid under pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2017/00Carriers for sound or information
    • B29L2017/001Carriers of records containing fine grooves or impressions, e.g. disc records for needle playback, cylinder records
    • B29L2017/003Records or discs

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
NL7003886A 1969-03-26 1970-03-18 NL7003886A (enrdf_load_stackoverflow)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB62991/69A GB1301095A (en) 1969-03-26 1969-03-26 Improvements in or relating to the production of gramophone records
GB1570069 1969-03-26

Publications (1)

Publication Number Publication Date
NL7003886A true NL7003886A (enrdf_load_stackoverflow) 1970-09-29

Family

ID=26251481

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7003886A NL7003886A (enrdf_load_stackoverflow) 1969-03-26 1970-03-18

Country Status (4)

Country Link
JP (1) JPS4836179B1 (enrdf_load_stackoverflow)
DE (1) DE2014311A1 (enrdf_load_stackoverflow)
FR (1) FR2039980A5 (enrdf_load_stackoverflow)
NL (1) NL7003886A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4772196A (en) * 1986-02-26 1988-09-20 Kabushiki Kaisha Meiki Seisakusho Molding apparatus for producing centrally-apertured discs

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4472124A (en) * 1980-09-05 1984-09-18 Matsushita Electric Industrial Co., Limited Device for producing an information recording disk
US4405540A (en) 1980-10-31 1983-09-20 Discovision Associates Hot sprue valve assembly for an injection molding machine
US4466934A (en) * 1980-10-31 1984-08-21 Discovision Associates Hot sprue valve assembly for an injection molding machine
US4340353A (en) * 1980-10-31 1982-07-20 Discovision Associates Hot sprue valve assembly for an injection molding machine
US4372741A (en) * 1980-10-31 1983-02-08 Discovision Associates Hot sprue valve assembly for an injection molding machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4772196A (en) * 1986-02-26 1988-09-20 Kabushiki Kaisha Meiki Seisakusho Molding apparatus for producing centrally-apertured discs

Also Published As

Publication number Publication date
FR2039980A5 (en) 1971-01-15
JPS4836179B1 (enrdf_load_stackoverflow) 1973-11-01
DE2014311A1 (enrdf_load_stackoverflow) 1970-10-15

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