JPS5769007A - Double molding method and item molded thereby - Google Patents
Double molding method and item molded therebyInfo
- Publication number
- JPS5769007A JPS5769007A JP14359980A JP14359980A JPS5769007A JP S5769007 A JPS5769007 A JP S5769007A JP 14359980 A JP14359980 A JP 14359980A JP 14359980 A JP14359980 A JP 14359980A JP S5769007 A JPS5769007 A JP S5769007A
- Authority
- JP
- Japan
- Prior art keywords
- items
- molded
- secondary molding
- die
- injection
- 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
- 238000000465 moulding Methods 0.000 title abstract 5
- 238000000034 method Methods 0.000 title 1
- 238000002347 injection Methods 0.000 abstract 2
- 239000007924 injection Substances 0.000 abstract 2
- 230000007547 defect Effects 0.000 abstract 1
- 238000001746 injection moulding Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 229920003002 synthetic resin Polymers 0.000 abstract 1
- 239000000057 synthetic resin Substances 0.000 abstract 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
- B29C45/1615—The materials being injected at different moulding stations
-
- 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
- B29C2045/1682—Making multilayered or multicoloured articles preventing defects
-
- 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
- B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
-
- 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
- B29C45/2708—Gates
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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14359980A JPS5769007A (en) | 1980-10-16 | 1980-10-16 | Double molding method and item molded thereby |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14359980A JPS5769007A (en) | 1980-10-16 | 1980-10-16 | Double molding method and item molded thereby |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5769007A true JPS5769007A (en) | 1982-04-27 |
JPH0126852B2 JPH0126852B2 (ja) | 1989-05-25 |
Family
ID=15342463
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14359980A Granted JPS5769007A (en) | 1980-10-16 | 1980-10-16 | Double molding method and item molded thereby |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5769007A (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2900861A1 (fr) * | 2006-02-20 | 2007-11-16 | Yoshida Industry Co | Procede de fabrication d'un produit moule en resine utilisant un moule mobile et un moule fixe |
EP2402140A1 (de) * | 2010-06-30 | 2012-01-04 | Automotive Lighting Reutlingen GmbH | Verfahren zum Herstellen einer Kunststofflinse einer Kraftfahrzeugbeleuchtungseinrichtung, nach dem Verfahren hergestellte Kunststofflinse und Werkzeug zur Herstellung der Kunststofflinse |
JP2012511447A (ja) * | 2008-12-12 | 2012-05-24 | ムーランデュストリ | 成型フィットシステム |
EP2578376A1 (fr) * | 2011-10-06 | 2013-04-10 | Valeo Vision | Pièce optique comprenant une ame et une pluralité de couches |
-
1980
- 1980-10-16 JP JP14359980A patent/JPS5769007A/ja active Granted
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2900861A1 (fr) * | 2006-02-20 | 2007-11-16 | Yoshida Industry Co | Procede de fabrication d'un produit moule en resine utilisant un moule mobile et un moule fixe |
JP2012511447A (ja) * | 2008-12-12 | 2012-05-24 | ムーランデュストリ | 成型フィットシステム |
EP2402140A1 (de) * | 2010-06-30 | 2012-01-04 | Automotive Lighting Reutlingen GmbH | Verfahren zum Herstellen einer Kunststofflinse einer Kraftfahrzeugbeleuchtungseinrichtung, nach dem Verfahren hergestellte Kunststofflinse und Werkzeug zur Herstellung der Kunststofflinse |
EP2578376A1 (fr) * | 2011-10-06 | 2013-04-10 | Valeo Vision | Pièce optique comprenant une ame et une pluralité de couches |
FR2981171A1 (fr) * | 2011-10-06 | 2013-04-12 | Valeo Vision | Piece optique comprenant une ame et une pluralite de couches |
Also Published As
Publication number | Publication date |
---|---|
JPH0126852B2 (ja) | 1989-05-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS56118833A (en) | Mold for forming | |
ES455627A1 (es) | Perfeccionamientos en la fabricacion de piezas inyectadas demateriales plasticos de estructura compuesta. | |
CA2095331A1 (en) | Method for the use of gas assistance in the molding of plastic articles to enhance surface quality | |
EP0365684A4 (en) | Molding method and molding apparatus by use of injection-compression molding machine | |
JPS5769007A (en) | Double molding method and item molded thereby | |
JPS56154025A (en) | Mold for forming | |
JPS57188332A (en) | Injection molding machine | |
JPS5565531A (en) | Molding of handle for toothbrush or the like and metallic mold therefor | |
JPS5571541A (en) | Method of continuous duplicated molding of heat curing resin and thermoplastic resin | |
JPS53121056A (en) | Injection molding for sandwich product and device therefor | |
EP0124951A3 (en) | Method, injection moulding machine and injection mould for producing holder shaped products, holder shaped products and hot runner system | |
JPS5339122A (en) | Camera body and its production | |
JPS578508A (en) | Lens barrel | |
JPS5565510A (en) | Synthetic resin forming device | |
JPS56121745A (en) | Foaming resin injection molding method | |
JPS55146724A (en) | Double molding device using different kinds of materials | |
JPS55100140A (en) | Molding method and molding | |
JPS641513A (en) | Molding of thick-wall product | |
JPS5692038A (en) | Multilayer injection molding | |
JPS57205120A (en) | Molding of aspherical lens | |
JPS56121748A (en) | Injection molding method | |
FR2279535A1 (fr) | Procede de moulage | |
JPS5664845A (en) | Manufacture of multilayered container | |
JPS5680446A (en) | Manufacture of assembled finished product set | |
JPS5795430A (en) | Injection and compression molding machine |