JPH028567B2 - - Google Patents

Info

Publication number
JPH028567B2
JPH028567B2 JP58104635A JP10463583A JPH028567B2 JP H028567 B2 JPH028567 B2 JP H028567B2 JP 58104635 A JP58104635 A JP 58104635A JP 10463583 A JP10463583 A JP 10463583A JP H028567 B2 JPH028567 B2 JP H028567B2
Authority
JP
Japan
Prior art keywords
mold
hole
punch
center
fixed
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 - Lifetime
Application number
JP58104635A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59229327A (ja
Inventor
Mitsuo Takahashi
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.)
Seikoh Giken Co Ltd
Original Assignee
Seikoh Giken Co 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 Seikoh Giken Co Ltd filed Critical Seikoh Giken Co Ltd
Priority to JP10463583A priority Critical patent/JPS59229327A/ja
Publication of JPS59229327A publication Critical patent/JPS59229327A/ja
Publication of JPH028567B2 publication Critical patent/JPH028567B2/ja
Granted 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

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)
JP10463583A 1983-06-10 1983-06-10 樹脂成形用金型装置 Granted JPS59229327A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10463583A JPS59229327A (ja) 1983-06-10 1983-06-10 樹脂成形用金型装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10463583A JPS59229327A (ja) 1983-06-10 1983-06-10 樹脂成形用金型装置

Publications (2)

Publication Number Publication Date
JPS59229327A JPS59229327A (ja) 1984-12-22
JPH028567B2 true JPH028567B2 (nl) 1990-02-26

Family

ID=14385900

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10463583A Granted JPS59229327A (ja) 1983-06-10 1983-06-10 樹脂成形用金型装置

Country Status (1)

Country Link
JP (1) JPS59229327A (nl)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62198422A (ja) * 1986-02-26 1987-09-02 Meiki Co Ltd デイスクの射出成形装置
JPS62234910A (ja) * 1986-04-07 1987-10-15 Meiki Co Ltd デイスクの射出成形装置
JPH0665484B2 (ja) * 1986-09-09 1994-08-24 住友重機械工業株式会社 打抜き孔付成形品用射出成形方法
JPS6382721A (ja) * 1986-09-29 1988-04-13 Meiki Co Ltd デイスク成形型
JPH0513538Y2 (nl) * 1987-06-26 1993-04-09
JP2002254480A (ja) * 2000-12-25 2002-09-11 Mitsubishi Materials Corp 光ディスクの成形方法およびこの方法に用いる光ディスク成形用金型装置
KR101721001B1 (ko) * 2015-07-08 2017-04-10 (주)프로이노텍 사출 성형 테스트용 수지공급장치 및 이를 구비하는 사출 성형장치

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3989436A (en) * 1975-12-18 1976-11-02 Rca Corporation Apparatus for producing injection molded and centrally apertured disc records
JPS5319576B2 (nl) * 1974-12-02 1978-06-21
JPS54162754A (en) * 1978-06-14 1979-12-24 Seikosha Kk Molding machine
JPS57105329A (en) * 1980-10-31 1982-06-30 Discovision Ass Aggregate of valve

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5319576U (nl) * 1976-07-29 1978-02-20

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5319576B2 (nl) * 1974-12-02 1978-06-21
US3989436A (en) * 1975-12-18 1976-11-02 Rca Corporation Apparatus for producing injection molded and centrally apertured disc records
JPS54162754A (en) * 1978-06-14 1979-12-24 Seikosha Kk Molding machine
JPS57105329A (en) * 1980-10-31 1982-06-30 Discovision Ass Aggregate of valve

Also Published As

Publication number Publication date
JPS59229327A (ja) 1984-12-22

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