WO2005025188A1 - Verfahren zur herstellung einer halbschale eines mobilen kommunikationsendgerätes - Google Patents
Verfahren zur herstellung einer halbschale eines mobilen kommunikationsendgerätes Download PDFInfo
- Publication number
- WO2005025188A1 WO2005025188A1 PCT/EP2004/052048 EP2004052048W WO2005025188A1 WO 2005025188 A1 WO2005025188 A1 WO 2005025188A1 EP 2004052048 W EP2004052048 W EP 2004052048W WO 2005025188 A1 WO2005025188 A1 WO 2005025188A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- shell
- communication terminal
- producing
- mobile communication
- metal foil
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0279—Improving the user comfort or ergonomics
- H04M1/0283—Improving the user comfort or ergonomics for providing a decorative aspect, e.g. customization of casings, exchangeable faceplate
-
- 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
- B29C45/14311—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 using means for bonding the coating to the articles
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2705/00—Use of metals, their alloys or their compounds, for preformed parts, e.g. for inserts
-
- 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
- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
- B29L2031/3431—Telephones, Earphones
Definitions
- the present invention relates to a method for producing a half-shell of a mobile communication terminal, which has a surface consisting of a metal.
- Producing the complete half-shell from a metal is very complex and disadvantageous for the internal structure of the communication terminal, since it is significantly easier to use plastic parts for the internal structure of a communication terminal with regard to the connections between the housing and printed circuit board and the various components of a communication terminal which can be easily edited.
- the object of the present invention is to provide a method of the type mentioned at the outset for producing a half-shell with a surface consisting of a metal, but which at the same time has the advantage of a half-shell consisting of plastic.
- this object is achieved in that a metal foil is provided on one side with an adhesion promoter, that the metal foil is then shaped and trimmed accordingly, and that the entire metal foil is then back-injected with a plastic.
- the half-shell produced by means of the method according to the invention fulfills the demands of the users for a real feeling of metal when handling the communication terminal, and the half-shell produced by the method simultaneously offers the advantage of a half-shell consisting of plastic.
- the half-shell 1 shown consists essentially of the metal foil 2 and the plastic body 3.
- a metal foil z. B an aluminum foil with a film thickness of about 0.2 mm can be used. Before processing, this film is provided on one side with a primer (adhesion promoter).
- the film is then shaped, e.g. B. deep drawn by means of compressed air, and then punched out or cut out, d. H. machined.
- the other side of the film, which is not provided with the primary, can be untreated or already colored.
- this preformed film is placed in a mold and back-molded with a hard plastic.
- This hard plastic can e.g. B. consist of PC or ABS.
- the film can be anodized if, as previously indicated, the film does not already have a "design surface".
- the nature of the adhesion promoter is important, ie the lowest possible temperature is desirable for back-injection to activate the adhesion promoter.
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10340811.8 | 2003-09-04 | ||
DE10340811 | 2003-09-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005025188A1 true WO2005025188A1 (de) | 2005-03-17 |
Family
ID=34258406
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2004/052048 WO2005025188A1 (de) | 2003-09-04 | 2004-09-06 | Verfahren zur herstellung einer halbschale eines mobilen kommunikationsendgerätes |
Country Status (1)
Country | Link |
---|---|
WO (1) | WO2005025188A1 (de) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0414365A2 (de) * | 1989-08-24 | 1991-02-27 | Nokia Mobile Phones (U.K.) Limited | Tragbares Funktelefon |
US6202276B1 (en) * | 1998-12-23 | 2001-03-20 | Tung-Han Chuang | Process for manufacturing an electromagnetic interference shielding superplastic alloy foil cladded outer shell product |
EP1132189A1 (de) * | 2000-03-10 | 2001-09-12 | Nokia Mobile Phones Ltd. | Verbesserungen in und bezüglich Spritzgiessen |
WO2003064150A1 (fr) * | 2001-12-28 | 2003-08-07 | Taisei Plas Co., Ltd. | Materiau composite en alliage d'aluminium et en resine, procede de production correspondant |
-
2004
- 2004-09-06 WO PCT/EP2004/052048 patent/WO2005025188A1/de active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0414365A2 (de) * | 1989-08-24 | 1991-02-27 | Nokia Mobile Phones (U.K.) Limited | Tragbares Funktelefon |
US6202276B1 (en) * | 1998-12-23 | 2001-03-20 | Tung-Han Chuang | Process for manufacturing an electromagnetic interference shielding superplastic alloy foil cladded outer shell product |
EP1132189A1 (de) * | 2000-03-10 | 2001-09-12 | Nokia Mobile Phones Ltd. | Verbesserungen in und bezüglich Spritzgiessen |
WO2003064150A1 (fr) * | 2001-12-28 | 2003-08-07 | Taisei Plas Co., Ltd. | Materiau composite en alliage d'aluminium et en resine, procede de production correspondant |
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