JPH0366136B2 - - Google Patents
Info
- Publication number
- JPH0366136B2 JPH0366136B2 JP28624386A JP28624386A JPH0366136B2 JP H0366136 B2 JPH0366136 B2 JP H0366136B2 JP 28624386 A JP28624386 A JP 28624386A JP 28624386 A JP28624386 A JP 28624386A JP H0366136 B2 JPH0366136 B2 JP H0366136B2
- Authority
- JP
- Japan
- Prior art keywords
- core layer
- molded product
- molding
- skin
- movable pin
- 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
- 239000000463 material Substances 0.000 claims description 52
- 239000012792 core layer Substances 0.000 claims description 43
- 229920005989 resin Polymers 0.000 claims description 31
- 239000011347 resin Substances 0.000 claims description 31
- 239000010410 layer Substances 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 26
- 238000000465 moulding Methods 0.000 claims description 25
- 239000007787 solid Substances 0.000 claims description 3
- 239000011162 core material Substances 0.000 description 37
- 238000002347 injection Methods 0.000 description 22
- 239000007924 injection Substances 0.000 description 22
- 238000010586 diagram Methods 0.000 description 7
- 239000004417 polycarbonate Substances 0.000 description 6
- 229920000515 polycarbonate Polymers 0.000 description 4
- 229920000049 Carbon (fiber) Polymers 0.000 description 3
- 239000004917 carbon fiber Substances 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000012805 post-processing Methods 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001707 polybutylene terephthalate Polymers 0.000 description 2
- 229920006324 polyoxymethylene Polymers 0.000 description 2
- 229920006380 polyphenylene oxide Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229930182556 Polyacetal Natural products 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000011231 conductive filler Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- -1 polybutylene terephthalate Polymers 0.000 description 1
- 229920005668 polycarbonate resin Polymers 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
- B29C45/16—Making multilayered or multicoloured articles
- B29C45/1642—Making multilayered or multicoloured articles having a "sandwich" structure
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28624386A JPS63139718A (ja) | 1986-12-01 | 1986-12-01 | 樹脂成形品およびその成形方法 |
| US07/022,210 US4805991A (en) | 1986-03-13 | 1987-03-05 | Multi-layer resin molded article and method of making the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28624386A JPS63139718A (ja) | 1986-12-01 | 1986-12-01 | 樹脂成形品およびその成形方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63139718A JPS63139718A (ja) | 1988-06-11 |
| JPH0366136B2 true JPH0366136B2 (enrdf_load_stackoverflow) | 1991-10-16 |
Family
ID=17701836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28624386A Granted JPS63139718A (ja) | 1986-03-13 | 1986-12-01 | 樹脂成形品およびその成形方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63139718A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9450081B2 (en) | 2006-11-21 | 2016-09-20 | Cree, Inc. | High voltage GaN transistor |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19747573C5 (de) | 1996-10-29 | 2007-10-18 | Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.), Kobe | Spritzeinheitsverbindungsvorrichtung für eine Mehrschichtspritzformmaschine |
| DE19932383A1 (de) * | 1999-07-14 | 2001-01-18 | Ticona Gmbh | Elektrisch leitfähige Kunststofformteile |
| JP5276397B2 (ja) * | 2008-09-25 | 2013-08-28 | パナソニック株式会社 | サンドイッチ成形品の製造方法 |
| KR102486881B1 (ko) | 2020-09-01 | 2023-01-10 | 엘지전자 주식회사 | 이중사출 성형 장치, 그의 제어방법 및 이중사출 성형에 의한 사출물 |
-
1986
- 1986-12-01 JP JP28624386A patent/JPS63139718A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9450081B2 (en) | 2006-11-21 | 2016-09-20 | Cree, Inc. | High voltage GaN transistor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63139718A (ja) | 1988-06-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |