CN2241894Y - New-type composite layer of watchcase, watch ring and watchband - Google Patents
New-type composite layer of watchcase, watch ring and watchband Download PDFInfo
- Publication number
- CN2241894Y CN2241894Y CN 95245455 CN95245455U CN2241894Y CN 2241894 Y CN2241894 Y CN 2241894Y CN 95245455 CN95245455 CN 95245455 CN 95245455 U CN95245455 U CN 95245455U CN 2241894 Y CN2241894 Y CN 2241894Y
- Authority
- CN
- China
- Prior art keywords
- watchband
- watchcase
- layer
- film
- composite layer
- 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 - Fee Related
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Abstract
The utility model relates to a new-type composite layer structure of watchcase, watch ring and watchband, which is composed of the underlayer of a copper alloy substrate, the intermediate layer of a nichrome film and the surface layer of a stainless steel film, wherein, the nichrome film layer and the stainless steel film surface layer are made by the adoption of magnetron sputtering technology, and a multicomponent alloy film structure is obtained. In addition, a powerful combination is formed with the copper alloy substrate. The watchcase, watch ring and watchband of the composite layer structure are not only beautiful, and the surfaces of the watchcase, watch ring and watchband does not easily fall off. The utility model has good abrasive resistance and corrosion resistance and saves coating materials.
Description
The utility model belongs to the constructing technology field of wrist-watch spare and accessory parts body.
At present as watchcase, table circle or the watchband of chromium film top layer or titanium nitride film surface structure form, this rete is thicker, generally at 5～10 μ m, between the rete interface obviously, scarce hole is arranged, can bubble, film adhesion is relatively poor, comes off easily; In workpiece groove and sharp corner thicknesses of layers inequality, occur easily thickening or packing phenomenon, rete may contain salt and the nullisomic impurity in the coating bath, the easy hydrogen embrittlement of workpiece; For the workpiece of surperficial sanding, because rete is thicker, sand streak degree of analysing is clearly had a strong impact on even can't be seen clearly, and product can not be showed the original finished surface situation of matrix fully, reduces the product appearance quality greatly; Film material has been wasted in the increase of thickness in addition, for the material of forming rete, can only be single metal or bianry alloy, and this has just limited the diversified development of product appearance greatly.
The purpose of this utility model is design and the watchcase of making a kind of new lamination layer structure, table circle and watchband, makes it overcome deficiency of the prior art, improves the wear-resisting and corrosion stability of product surface, and film top layer purity height is specious.
The utility model is to realize with following technical proposal: it mainly is made of copper alloy matrix layer 1, nichrome film middle layer 2 and stainless steel membrane top layer 3, has mixolimnion between layer and layer.
Advantage of the present utility model is this composite bed owing to be to adopt in the dry type plated film magnetron sputtering technique to produce rete and stainless steel watch tunic in the middle of the nickel-chrome respectively on copper alloy matrix, thereby obtain multicomponent alloy rete structure, in addition, the nickel-chrome rete has higher corrosion stability and wearing quality, it has constituted strong the combination with copper alloy matrix and stainless steel rete, and in manufacturing, make the layer with layer between formed mixolimnion, this version, not only reduced the internal stress of rete, and made fabulous adhesion is arranged between rete and matrix.This composite bed is to manufacture under vacuum, so rete purity height, surface imperfection such as free of pinholes gas big gun, make its watchcase, table circle and watchband the hydrogen embrittlement phenomenon can not occur, for the sanding surface,, can show the original finished surface state of matrix fully because rete is thinner, so not only beautified product appearance, and saved Coating Materials greatly.The product that this composite bed is manufactured has good wearing quality, corrosion stability and ornamental, is a new breakthrough for present wrist-watch industry.
Description of drawings of the present utility model:
Fig. 1 is the utility model schematic cross-sectional view.
1 couple of embodiment of the present utility model makes a detailed description in conjunction with the accompanying drawings:
As shown in Figure 1, copper alloy matrix layer 1 usefulness is removed La Shui remove curedly, use dry shove charge after the triclene ultrasonic cleaning again, coating chamber is pumped to about 5 * 10 by the vacuum unit
-2Behind the pa, matrix is heated to 150～300 ℃, be incubated 15～30 minutes, feed argon gas by flowmeter, making coating chamber vacuum tightness is 0.8～5pa, then to matrix add DC voltage-200～-900V, carrying out the surface sputtering bombardment again cleaned 10～20 minutes, afterwards again to matrix apply 0～-the 600V bias voltage, to sputtering target add DC voltage-400～-800V, keep vacuum tightness 5 * 10
-2～9 * 10
-2Pa carries out plated film.
At first shield the stainless steel target, be nichrome film middle layer 2 at matrix surface magnetron sputtering nonmagnetic substance nickel-chrome as excessive bottom earlier, when making thicknesses of layers reach 0.5～0.8 μ m, stop sputter nickel-chrome target and make it shielding, remove the stainless steel target shield then, make it that magnetron sputtering stainless steel rete is that top layer 3 gets final product on nickel-chrome coatings 2.The rete gross thickness determines that according to request for utilization for aldary wrist-watch spare and accessory parts product, the rete gross thickness is generally about 2 μ m.
Adopt the wrist-watch spare and accessory parts of above-mentioned composite bed, rete can be showed the original finished surface state of matrix fully; Product has and the identical stainless steel color and luster of stainless target, free of surface defects; At the appointed time, soak test clearly through 3% common salt aqueous solution, 60% salpeter solution aeration test, 28% Dilute Ammonia Solution aeration test all reaches gratifying effect.
Claims (2)
1. the NEW TYPE OF COMPOSITE layer of a watchcase, table circle and watchband is characterized in that mainly by copper alloy matrix layer (1), nichrome film middle layer (2) and stainless steel membrane top layer (3) constitute.
2. the NEW TYPE OF COMPOSITE layer of a kind of watchcase according to claim 1, table circle and watchband is characterized in that constituting mixolimnion respectively between top layer and middle layer, middle layer and base layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95245455 CN2241894Y (en) | 1995-12-06 | 1995-12-06 | New-type composite layer of watchcase, watch ring and watchband |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95245455 CN2241894Y (en) | 1995-12-06 | 1995-12-06 | New-type composite layer of watchcase, watch ring and watchband |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2241894Y true CN2241894Y (en) | 1996-12-04 |
Family
ID=33885559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95245455 Expired - Fee Related CN2241894Y (en) | 1995-12-06 | 1995-12-06 | New-type composite layer of watchcase, watch ring and watchband |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2241894Y (en) |
-
1995
- 1995-12-06 CN CN 95245455 patent/CN2241894Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |