CA1102973A - Method and means for replicating centrally apertured video disc records - Google Patents
Method and means for replicating centrally apertured video disc recordsInfo
- Publication number
- CA1102973A CA1102973A CA310,055A CA310055A CA1102973A CA 1102973 A CA1102973 A CA 1102973A CA 310055 A CA310055 A CA 310055A CA 1102973 A CA1102973 A CA 1102973A
- Authority
- CA
- Canada
- Prior art keywords
- sprue
- punch
- molten mixture
- cavity
- annular
- 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
Links
- 238000000034 method Methods 0.000 title abstract description 7
- 230000003362 replicative effect Effects 0.000 title description 4
- 239000007924 injection Substances 0.000 claims abstract description 16
- 238000002347 injection Methods 0.000 claims abstract description 16
- 238000000465 moulding Methods 0.000 claims abstract description 13
- 238000001746 injection moulding Methods 0.000 claims description 13
- 239000012768 molten material Substances 0.000 claims description 13
- 230000008859 change Effects 0.000 claims description 5
- 230000007423 decrease Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 14
- 230000003467 diminishing effect Effects 0.000 claims 2
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000001816 cooling Methods 0.000 abstract description 44
- 239000000463 material Substances 0.000 abstract description 21
- 230000002093 peripheral effect Effects 0.000 abstract description 8
- 230000000284 resting effect Effects 0.000 abstract description 4
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 230000007812 deficiency Effects 0.000 abstract 1
- 230000002950 deficient Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 abstract 1
- 208000006011 Stroke Diseases 0.000 description 21
- 230000033001 locomotion Effects 0.000 description 16
- 239000012530 fluid Substances 0.000 description 13
- 229940090044 injection Drugs 0.000 description 13
- 239000000543 intermediate Substances 0.000 description 13
- 125000006850 spacer group Chemical group 0.000 description 7
- 238000004080 punching Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 4
- ODPOAESBSUKMHD-UHFFFAOYSA-L 6,7-dihydrodipyrido[1,2-b:1',2'-e]pyrazine-5,8-diium;dibromide Chemical compound [Br-].[Br-].C1=CC=[N+]2CC[N+]3=CC=CC=C3C2=C1 ODPOAESBSUKMHD-UHFFFAOYSA-L 0.000 description 3
- 239000005630 Diquat Substances 0.000 description 3
- 238000000149 argon plasma sintering Methods 0.000 description 3
- 235000019628 coolness Nutrition 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000012899 standard injection Substances 0.000 description 2
- 241001669696 Butis Species 0.000 description 1
- 241000272470 Circus Species 0.000 description 1
- 235000018734 Sambucus australis Nutrition 0.000 description 1
- 244000180577 Sambucus australis Species 0.000 description 1
- 241000193803 Therea Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000008609 bushi Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000010076 replication Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- B29C45/26—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
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2701—Details not specific to hot or cold runner channels
-
- 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
- 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
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA363,138A CA1124468A (en) | 1977-10-31 | 1980-10-23 | Method and means for replicating centrally apertured video disc records |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US84736777A | 1977-10-31 | 1977-10-31 | |
| US847,367 | 1977-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1102973A true CA1102973A (en) | 1981-06-16 |
Family
ID=25300444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA310,055A Expired CA1102973A (en) | 1977-10-31 | 1978-08-25 | Method and means for replicating centrally apertured video disc records |
Country Status (16)
| Country | Link |
|---|---|
| JP (5) | JPS5858214B2 (nl) |
| AU (1) | AU512873B2 (nl) |
| BE (1) | BE871710A (nl) |
| BR (1) | BR7807136A (nl) |
| CA (1) | CA1102973A (nl) |
| CH (1) | CH635027A5 (nl) |
| DE (1) | DE2838634C2 (nl) |
| DK (1) | DK158288C (nl) |
| FR (1) | FR2407067A1 (nl) |
| GB (2) | GB2006666B (nl) |
| HK (2) | HK42386A (nl) |
| IT (3) | IT1117449B (nl) |
| MX (1) | MX147565A (nl) |
| NL (1) | NL187734C (nl) |
| NO (1) | NO158724C (nl) |
| SE (2) | SE429520B (nl) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL193077C (nl) * | 1977-10-31 | 1998-09-08 | Mca Disco Vision | Injectiespuitgietinrichting. |
| JPS57109620A (en) * | 1980-12-26 | 1982-07-08 | Matsushita Electric Ind Co Ltd | Molding apparatus of disk like recording medium |
| JPS58151223A (ja) * | 1982-03-05 | 1983-09-08 | Nippon Telegr & Teleph Corp <Ntt> | 光デイスク基板の製造法及び成形金型 |
| JPS58188636A (ja) * | 1982-04-30 | 1983-11-04 | Sumitomo Heavy Ind Ltd | 打抜き機構を有する射出成形機 |
| DE3442023A1 (de) * | 1984-11-16 | 1986-05-28 | Krauss-Maffei AG, 8000 München | Verfahren und vorrichtung zum ausstanzen und entfernen des angussteils bei einem spritzgiesswerkzeug |
| US5273598A (en) * | 1985-02-18 | 1993-12-28 | Hitachi Maxell, Ltd. | Optical disc manufacturing method |
| US4911968A (en) * | 1985-02-18 | 1990-03-27 | Hitachi Maxell, Ltd. | Optical disc |
| DE3526632A1 (de) * | 1985-07-25 | 1987-02-05 | Krauss Maffei Ag | Verfahren und vorrichtung zum herstellen eines spritzgiessteils |
| DE3542878A1 (de) * | 1985-12-02 | 1987-06-11 | Stuebbe Gmbh Maschf | Auswerfereinrichtung fuer spritzgiessmaschinen |
| JPH0320100Y2 (nl) * | 1986-02-21 | 1991-04-30 | ||
| DE3613334A1 (de) * | 1986-04-19 | 1987-10-22 | Kloeckner Ferromatik Desma | Spritzgiessform zum spritzgiessen von informationstraegerplatten |
| US4795127A (en) * | 1986-09-27 | 1989-01-03 | Kabushikik Kaisha Meiki Seisakusho | Mold assembly of injection-molding machine |
| JPH0671739B2 (ja) * | 1987-12-19 | 1994-09-14 | パイオニア株式会社 | 情報記録ディスク基板の射出成形装置 |
| JPH0763991B2 (ja) * | 1988-04-16 | 1995-07-12 | ダイセル化学工業株式会社 | フォーマット入り光ディスク基板成形用金型 |
| DE3908188C2 (de) * | 1989-03-14 | 1998-10-29 | Tetra Pak Gmbh | Werkzeug zum Spritzgießen von Kunststoff |
| GB2235895A (en) * | 1989-08-23 | 1991-03-20 | Gerald Dennis Day | Moulding tool cooling apparatus |
| JP2944359B2 (ja) * | 1993-03-23 | 1999-09-06 | 株式会社精工技研 | 基盤射出成形金型 |
| DE10032337A1 (de) * | 2000-07-04 | 2002-01-17 | Bosch Gmbh Robert | Anschlußträger und Verfahren zum Verbinden des Anschlußträgers mit einem Spritzgußteil |
| JP4670196B2 (ja) * | 2001-07-27 | 2011-04-13 | ソニー株式会社 | 射出成形装置および射出成形方法 |
| DE10152932A1 (de) | 2001-10-26 | 2003-05-08 | Krauss Maffei Kunststofftech | Vorrichtung zum Entnehmen eines spritzgegossenen.... |
| EP1514666B1 (de) | 2003-09-08 | 2009-08-05 | AWM Mold Tech AG | Spritzgusswerkzeug für die Herstellung von scheibenförmigen Informationsträgern |
| JP5273774B2 (ja) * | 2008-04-04 | 2013-08-28 | 帝人株式会社 | 芳香族ポリカーボネート樹脂射出成形品 |
| JP2010031078A (ja) * | 2008-07-25 | 2010-02-12 | Teijin Chem Ltd | 芳香族ポリカーボネート樹脂成形品の処理方法 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE957693C (de) * | 1957-01-17 | Jantzen &. Saebeler, Hamburg-Schneisen | Preßform zur Herstellung von Kunststoffschallplatten | |
| GB147865A (en) * | 1916-08-14 | 1922-01-09 | Columbia Graphophone Mfg Co | Improvements in dies or moulds used for duplicating gramophone records and for like purposes |
| US1582704A (en) * | 1923-09-08 | 1926-04-27 | Scranton Button Company | Die for phonograph records |
| US2491068A (en) * | 1947-01-28 | 1949-12-13 | William M Adams | Record stamper |
| US2613395A (en) * | 1949-02-24 | 1952-10-14 | M & W Company Inc | Apparatus and method for producing disk phonograph records |
| GB881736A (en) * | 1957-03-14 | 1961-11-08 | Philips Electrical Ind Ltd | Improvements in or relating to dies for moulding of flat objects which are thin as compared with their surface dimensions |
| GB1071340A (en) * | 1965-01-27 | 1967-06-07 | Decca Ltd | Improvements in or relating to apparatus for making gramophone records |
| FR1487308A (fr) * | 1965-07-29 | 1967-07-07 | Carl Lindstrom Ges M B H | Perfectionnements aux presses à disques de phonographe |
| FR1509997A (fr) * | 1966-11-29 | 1968-01-19 | Pathe Marconi Ind Music | Perfectionnements à la fabrication de disques phonographiques par injection |
| CA1041256A (en) * | 1974-05-13 | 1978-10-31 | Csaba K. Hunyar | Phonograph record pressing die assembly |
| JPS511312U (nl) * | 1974-06-17 | 1976-01-07 | ||
| US3989436A (en) * | 1975-12-18 | 1976-11-02 | Rca Corporation | Apparatus for producing injection molded and centrally apertured disc records |
| GB1509362A (en) * | 1977-01-17 | 1978-05-04 | Emi Electrola Gmbh | Disc record press |
-
1978
- 1978-08-21 GB GB7834080A patent/GB2006666B/en not_active Expired
- 1978-08-21 GB GB8029412A patent/GB2060471B/en not_active Expired
- 1978-08-24 SE SE7808930A patent/SE429520B/sv not_active IP Right Cessation
- 1978-08-25 CA CA310,055A patent/CA1102973A/en not_active Expired
- 1978-09-01 NL NLAANVRAGE7808979,A patent/NL187734C/nl not_active IP Right Cessation
- 1978-09-05 DE DE2838634A patent/DE2838634C2/de not_active Expired
- 1978-09-06 CH CH935778A patent/CH635027A5/de not_active IP Right Cessation
- 1978-09-06 JP JP53108674A patent/JPS5858214B2/ja not_active Expired
- 1978-09-06 NO NO783040A patent/NO158724C/no unknown
- 1978-09-07 DK DK396378A patent/DK158288C/da active
- 1978-09-22 AU AU40114/78A patent/AU512873B2/en not_active Expired
- 1978-10-25 FR FR7830375A patent/FR2407067A1/fr active Granted
- 1978-10-27 IT IT7851677A patent/IT1117449B/it active
- 1978-10-27 IT IT51675/78A patent/IT1120250B/it active
- 1978-10-27 IT IT51676/78A patent/IT1157388B/it active
- 1978-10-30 BR BR7807136A patent/BR7807136A/pt unknown
- 1978-10-30 MX MX175431A patent/MX147565A/es unknown
- 1978-10-31 BE BE191489A patent/BE871710A/xx not_active IP Right Cessation
-
1981
- 1981-01-23 JP JP56008071A patent/JPS6018527B2/ja not_active Expired
-
1982
- 1982-01-22 SE SE8200349A patent/SE438624B/sv not_active IP Right Cessation
-
1986
- 1986-06-05 HK HK423/86A patent/HK42386A/xx not_active IP Right Cessation
- 1986-06-05 HK HK422/86A patent/HK42286A/xx not_active IP Right Cessation
-
1987
- 1987-04-15 JP JP62092953A patent/JPS62275728A/ja active Granted
- 1987-04-15 JP JP62092954A patent/JPS62275729A/ja active Granted
-
1988
- 1988-05-20 JP JP63122258A patent/JPS6477511A/ja active Granted
Also Published As
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| JPH08300421A (ja) | 光ディスク基板用成形金型装置 | |
| JP3158394B2 (ja) | 記録ディスク成形用金型 | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |