JPS6345293B2 - - Google Patents

Info

Publication number
JPS6345293B2
JPS6345293B2 JP16954681A JP16954681A JPS6345293B2 JP S6345293 B2 JPS6345293 B2 JP S6345293B2 JP 16954681 A JP16954681 A JP 16954681A JP 16954681 A JP16954681 A JP 16954681A JP S6345293 B2 JPS6345293 B2 JP S6345293B2
Authority
JP
Japan
Prior art keywords
mold
fixed
sprue
ejector
mounting plate
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
JP16954681A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5869028A (ja
Inventor
Hideo Horiguchi
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.)
Meiki Seisakusho KK
Original Assignee
Meiki Seisakusho KK
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 Meiki Seisakusho KK filed Critical Meiki Seisakusho KK
Priority to JP16954681A priority Critical patent/JPS5869028A/ja
Publication of JPS5869028A publication Critical patent/JPS5869028A/ja
Publication of JPS6345293B2 publication Critical patent/JPS6345293B2/ja
Granted legal-status Critical Current

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
    • B29C45/38Cutting-off equipment for sprues or ingates
    • 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
    • B29L2017/005CD''s, DVD''s

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Manufacturing Optical Record Carriers (AREA)
JP16954681A 1981-10-22 1981-10-22 射出成形装置及び射出成形方法 Granted JPS5869028A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16954681A JPS5869028A (ja) 1981-10-22 1981-10-22 射出成形装置及び射出成形方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16954681A JPS5869028A (ja) 1981-10-22 1981-10-22 射出成形装置及び射出成形方法

Publications (2)

Publication Number Publication Date
JPS5869028A JPS5869028A (ja) 1983-04-25
JPS6345293B2 true JPS6345293B2 (nl) 1988-09-08

Family

ID=15888476

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16954681A Granted JPS5869028A (ja) 1981-10-22 1981-10-22 射出成形装置及び射出成形方法

Country Status (1)

Country Link
JP (1) JPS5869028A (nl)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2607107B2 (ja) * 1987-12-17 1997-05-07 ティーディーケイ株式会社 光ディスク等用成型装置
JP4912091B2 (ja) * 2006-08-31 2012-04-04 株式会社リコー 光ディスク基板成形用金型
KR200473846Y1 (ko) * 2014-05-20 2014-08-08 윤순범 플라스틱성형 금형장치 및 플라스틱성형 금형장치를 이용한 플라스틱성형 방법
CN104260290A (zh) * 2014-10-09 2015-01-07 珀尔曼机电(昆山)有限公司 一种注塑模具用产品与流道自动分离机构

Also Published As

Publication number Publication date
JPS5869028A (ja) 1983-04-25

Similar Documents

Publication Publication Date Title
US4372741A (en) Hot sprue valve assembly for an injection molding machine
US4340353A (en) Hot sprue valve assembly for an injection molding machine
US3989436A (en) Apparatus for producing injection molded and centrally apertured disc records
US4466934A (en) Hot sprue valve assembly for an injection molding machine
JPH0252716A (ja) 光ディスク基板成形用金型
US20070031533A1 (en) Injection molding method and injection mold
WO2008053946A1 (en) Injection molding process, resin molded product and mold
US20060113691A1 (en) Molding die apparatus, method for molding disc substrate, and disc-shaped recording medium
JPH09155932A (ja) 射出成形用金型及び当該金型を用いた射出成形方法
JPS6345293B2 (nl)
EP1080862B1 (en) Cutting apparatus for ingates and method for disc molding
JPH09225969A (ja) 射出成形金型
JPH11268048A (ja) ディスク成形用金型のエアーブロー方法及びその金型
US4405540A (en) Hot sprue valve assembly for an injection molding machine
JPH08294944A (ja) 超薄肉射出成形部品及びそれを成形する方法及び成形機
JP3517770B2 (ja) ディスク成形方法
JP2941563B2 (ja) 射出成形用金型装置
JPS59230731A (ja) 中心部を開口した薄肉円盤の射出成形装置
JPS63114609A (ja) デイスクの射出成形装置とデイスクの射出成形方法
JPH07156218A (ja) 光ディスク基板の成形金型及び成形方法
JP2003154558A (ja) ディスク成形用金型
JPH0665484B2 (ja) 打抜き孔付成形品用射出成形方法
JPH0390324A (ja) ディスク成形用金型
JP2002018918A (ja) ディスク成形用型締装置およびそれを用いたディスク成形品の射出圧縮成形方法
JPS6382721A (ja) デイスク成形型