JPS54145759A - Surface processing of injection molded article - Google Patents
Surface processing of injection molded articleInfo
- Publication number
- JPS54145759A JPS54145759A JP5424978A JP5424978A JPS54145759A JP S54145759 A JPS54145759 A JP S54145759A JP 5424978 A JP5424978 A JP 5424978A JP 5424978 A JP5424978 A JP 5424978A JP S54145759 A JPS54145759 A JP S54145759A
- Authority
- JP
- Japan
- Prior art keywords
- foil
- molded article
- mold
- patterns
- stamping
- 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.)
- Pending
Links
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
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/1418—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
PURPOSE:To transfer uneven patterns on the mold to an article via a stamping foil and to produce any complicated pattern very simply, by injection molding a synthetic resin into a cavity with the uneven patterns to which the foil is attached. CONSTITUTION:Uneven patterns 3 are formed on the inner surface of the female mold 1 by engraving, stamping or etching, and the stamping foil 5 made of a metallic foil is fitted into the inner surface of the mold 1. A synthetic resin is injected from the inlet 6 into the cavity between the male and female molds 2 and 1, and compression molded to form given metallic patterns on the surface of the injection- molded article 7 transferred from the female mold 1 through the stamping foil 5. EFFECT:Complicated solid patterns can be transferred very easily from the female mold with a sharply reduced cost of surface processing of the injection molded article.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5424978A JPS54145759A (en) | 1978-05-08 | 1978-05-08 | Surface processing of injection molded article |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5424978A JPS54145759A (en) | 1978-05-08 | 1978-05-08 | Surface processing of injection molded article |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54145759A true JPS54145759A (en) | 1979-11-14 |
Family
ID=12965268
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5424978A Pending JPS54145759A (en) | 1978-05-08 | 1978-05-08 | Surface processing of injection molded article |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54145759A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5983633A (en) * | 1982-11-04 | 1984-05-15 | Sumitomo Chem Co Ltd | Preparation of multiple molded product having decorative pattern |
JPS61127321A (en) * | 1984-11-26 | 1986-06-14 | Shin Kobe Electric Mach Co Ltd | Manufacture of synthetic resin-molded article |
US8142880B2 (en) | 2009-05-04 | 2012-03-27 | Shenzhen Futaihong Precision Industry Co., Ltd. | Housing for electronic device, mold for making the housing, and method for making the housing |
-
1978
- 1978-05-08 JP JP5424978A patent/JPS54145759A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5983633A (en) * | 1982-11-04 | 1984-05-15 | Sumitomo Chem Co Ltd | Preparation of multiple molded product having decorative pattern |
JPH0121773B2 (en) * | 1982-11-04 | 1989-04-24 | Sumitomo Chemical Co | |
JPS61127321A (en) * | 1984-11-26 | 1986-06-14 | Shin Kobe Electric Mach Co Ltd | Manufacture of synthetic resin-molded article |
US8142880B2 (en) | 2009-05-04 | 2012-03-27 | Shenzhen Futaihong Precision Industry Co., Ltd. | Housing for electronic device, mold for making the housing, and method for making the housing |
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