NZ211970A - Injection moulding of phonograph records - Google Patents

Injection moulding of phonograph records

Info

Publication number
NZ211970A
NZ211970A NZ211970A NZ21197085A NZ211970A NZ 211970 A NZ211970 A NZ 211970A NZ 211970 A NZ211970 A NZ 211970A NZ 21197085 A NZ21197085 A NZ 21197085A NZ 211970 A NZ211970 A NZ 211970A
Authority
NZ
New Zealand
Prior art keywords
matrices
blade
sleeve
lugs
moulding
Prior art date
Application number
NZ211970A
Other languages
English (en)
Inventor
H Amory
J M Prost
Original Assignee
Pathe Marconi Emi Sa
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 Emi Sa filed Critical Pathe Marconi Emi Sa
Publication of NZ211970A publication Critical patent/NZ211970A/en

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
    • B29C45/263—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs
    • B29C45/2632—Stampers; Mountings thereof
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/81—Sound record
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/812—Venting

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Feeding And Guiding Record Carriers (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Packaging For Recording Disks (AREA)
  • Pens And Brushes (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
NZ211970A 1984-05-04 1985-05-03 Injection moulding of phonograph records NZ211970A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8406930A FR2563772A1 (fr) 1984-05-04 1984-05-04 Dispositif pour mouler par injection des disques support d'enregistrement

Publications (1)

Publication Number Publication Date
NZ211970A true NZ211970A (en) 1987-05-29

Family

ID=9303693

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ211970A NZ211970A (en) 1984-05-04 1985-05-03 Injection moulding of phonograph records

Country Status (12)

Country Link
US (1) US4681527A (enExample)
EP (1) EP0166515B1 (enExample)
JP (1) JPS6116825A (enExample)
AT (1) ATE42497T1 (enExample)
AU (1) AU570557B2 (enExample)
CA (1) CA1242855A (enExample)
DE (1) DE3569698D1 (enExample)
FR (1) FR2563772A1 (enExample)
GR (1) GR851059B (enExample)
IN (1) IN163555B (enExample)
NZ (1) NZ211970A (enExample)
ZA (1) ZA853326B (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4795127A (en) * 1986-09-27 1989-01-03 Kabushikik Kaisha Meiki Seisakusho Mold assembly of injection-molding machine
JPS63227315A (ja) * 1986-10-15 1988-09-21 Gifu Hasukii Kk スタンパ交換機能を備えたディスク用射出成形金型およびそのスタンパ交換方法
JP3152601B2 (ja) * 1995-11-17 2001-04-03 株式会社精工技研 ディスク射出成形金型の固定側と可動側の円盤キャビティプレートの整列案内装置
US6095786A (en) * 1997-05-30 2000-08-01 Matsushita Electric Industrial Co., Ltd. Substrate forming mold, and plate thickness adjusting method of formed substrate in substrate forming mold
US6139307A (en) * 1998-07-23 2000-10-31 Imation Corp. Assembly for molding optical data storage disks formatted on both sides
US6678238B1 (en) * 1999-12-29 2004-01-13 Imation Corp. Mold for manufacturing double-sided disk shaped articles for storing data
US6821460B2 (en) 2001-07-16 2004-11-23 Imation Corp. Two-sided replication of data storage media

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1507289A (fr) * 1966-11-16 1967-12-29 Pathe Marconi Ind Music Procédé et dispositif pour la fabrication de disques phonographiques par injection
FR1509997A (fr) * 1966-11-29 1968-01-19 Pathe Marconi Ind Music Perfectionnements à la fabrication de disques phonographiques par injection
US3989436A (en) * 1975-12-18 1976-11-02 Rca Corporation Apparatus for producing injection molded and centrally apertured disc records
AU521389B2 (en) * 1977-10-31 1982-04-01 Discovision Associates Injection moulding cooling
CA1143517A (en) * 1979-04-18 1983-03-29 John R. Holmes Apparatus for producing centrally apertured record discs
US4374636A (en) * 1979-04-18 1983-02-22 Discovision Associates Apparatus for producing centrally apertured record discs
US4431047A (en) * 1979-09-27 1984-02-14 Ube Industries, Ltd. Gas-venting arrangement incorporated with a mold

Also Published As

Publication number Publication date
ZA853326B (en) 1985-12-24
AU570557B2 (en) 1988-03-17
CA1242855A (en) 1988-10-11
JPS6116825A (ja) 1986-01-24
AU4196785A (en) 1985-11-07
US4681527A (en) 1987-07-21
DE3569698D1 (en) 1989-06-01
GR851059B (enExample) 1985-11-25
FR2563772A1 (fr) 1985-11-08
ATE42497T1 (de) 1989-05-15
EP0166515B1 (en) 1989-04-26
IN163555B (enExample) 1988-10-08
EP0166515A1 (en) 1986-01-02

Similar Documents

Publication Publication Date Title
US3773454A (en) Apparatus for precision injection molding of composite parts
US5413743A (en) Method of making a lamp assembly
GB1572099A (en) Manufacture of pipe couplings
CN100354097C (zh) 轮胎模具
EP0166515A1 (en) Apparatus for the injection moulding of disc records
CA2005615C (en) Composite metal-elastomer styled wheels and method and apparatus for molding the same
US4655699A (en) Reduced flash molding apparatus
US2890487A (en) Spool casting die and core structure
JP3172218B2 (ja) 加硫用ブラダーを製造する方法及び装置
US3768945A (en) Injection molding apparatus providing a strippable flash for producing a plurality of flash-free articles
GB2219241A (en) Method and apparatus for moulding and casting using gated dies, and for moulding constant thickness lenses
US2491068A (en) Record stamper
CN217531688U (zh) 一种利用自拆边封胶的模具结构
US5088798A (en) Composite metal-elastomer styled wheels and method and apparatus for molding the same
US2880459A (en) Tire shaping and curing presses
GB1130520A (en) Injection mold for making multi-faced belts
CA1212508A (en) Two-part mold core
GB1117942A (en) Improvements in or relating to sealing rings
JPS61185426A (ja) シ−ルリング射出成形装置
CN219006864U (zh) 脚轮防尘盖模具
SU1011040A3 (ru) Устройство дл изготовлени брекерно-протекторных браслетов дл покрышек пневматических шин
CN218111561U (zh) 一种塑料根管注塑成型模具
JP3372442B2 (ja) 成形型
CA1154922A (en) Continuously molding articles with inner and outer bands
WO2003002326A1 (en) Method of manufacturing molded product and valve gate type metal mold device