JPS5869028A - 射出成形装置及び射出成形方法 - Google Patents
射出成形装置及び射出成形方法Info
- Publication number
- JPS5869028A JPS5869028A JP16954681A JP16954681A JPS5869028A JP S5869028 A JPS5869028 A JP S5869028A JP 16954681 A JP16954681 A JP 16954681A JP 16954681 A JP16954681 A JP 16954681A JP S5869028 A JPS5869028 A JP S5869028A
- Authority
- JP
- Japan
- Prior art keywords
- mold
- sprue
- ejector
- fixed
- 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.)
- Granted
Links
- 238000001746 injection moulding Methods 0.000 title claims description 13
- 238000002347 injection Methods 0.000 title claims 2
- 239000007924 injection Substances 0.000 title claims 2
- 239000011347 resin Substances 0.000 claims abstract description 12
- 229920005989 resin Polymers 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims description 16
- 238000000926 separation method Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims 1
- 238000000465 moulding Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005323 electroforming Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
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
- B29C45/38—Cutting-off equipment for sprues or ingates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2017/00—Carriers for sound or information
- B29L2017/001—Carriers of records containing fine grooves or impressions, e.g. disc records for needle playback, cylinder records
- B29L2017/003—Records or discs
- B29L2017/005—CD''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)
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 true JPS5869028A (ja) | 1983-04-25 |
JPS6345293B2 JPS6345293B2 (enrdf_load_html_response) | 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 (enrdf_load_html_response) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01159221A (ja) * | 1987-12-17 | 1989-06-22 | Tdk Corp | 光ディスク等用成型装置 |
JP2008055743A (ja) * | 2006-08-31 | 2008-03-13 | Ricoh Co Ltd | 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 |
-
1981
- 1981-10-22 JP JP16954681A patent/JPS5869028A/ja active Granted
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01159221A (ja) * | 1987-12-17 | 1989-06-22 | Tdk Corp | 光ディスク等用成型装置 |
JP2008055743A (ja) * | 2006-08-31 | 2008-03-13 | Ricoh Co Ltd | 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 |
---|---|
JPS6345293B2 (enrdf_load_html_response) | 1988-09-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4372741A (en) | Hot sprue valve assembly for an injection molding machine | |
US3989436A (en) | Apparatus for producing injection molded and centrally apertured disc records | |
EP0051252A2 (en) | Hot sprue valve assembly for an injection molding machine | |
US4466934A (en) | Hot sprue valve assembly for an injection molding machine | |
JP3536492B2 (ja) | 射出成形用金型及び当該金型を用いた射出成形方法 | |
US20070031533A1 (en) | Injection molding method and injection mold | |
JPS5869028A (ja) | 射出成形装置及び射出成形方法 | |
EP1080862B1 (en) | Cutting apparatus for ingates and method for disc molding | |
JPH09225969A (ja) | 射出成形金型 | |
JP3371224B2 (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 | |
US20020031078A1 (en) | Molding die apparatus, method for molding disc substrate, and disc-shaped recording medium | |
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 | |
US4405540A (en) | Hot sprue valve assembly for an injection molding machine | |
JPH1186358A (ja) | ディスク成形方法 | |
JPS59230731A (ja) | 中心部を開口した薄肉円盤の射出成形装置 | |
JP2598852B2 (ja) | 射出成形用金型 | |
JP3524604B2 (ja) | ディスク成形金型 | |
JP2003154558A (ja) | ディスク成形用金型 | |
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 | |
JPH0665484B2 (ja) | 打抜き孔付成形品用射出成形方法 | |
JPH07156218A (ja) | 光ディスク基板の成形金型及び成形方法 | |
JPH03295622A (ja) | 情報ディスク成形金型 | |
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 | |
JPH0252613B2 (enrdf_load_html_response) |