CN1026620C - Fixing method for plastic case of watch and windscreen - Google Patents
Fixing method for plastic case of watch and windscreen Download PDFInfo
- Publication number
- CN1026620C CN1026620C CN 89100878 CN89100878A CN1026620C CN 1026620 C CN1026620 C CN 1026620C CN 89100878 CN89100878 CN 89100878 CN 89100878 A CN89100878 A CN 89100878A CN 1026620 C CN1026620 C CN 1026620C
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- plastics
- side member
- plastic
- plating
- watch
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Abstract
The present invention relates to a method for fixing plastic clock side members with plating coats and plastic windshields. In the method, firstly, a bottom plating coat plated in a non electrolysis plating mode is used for causing a plastic side member to have energization performance; subsequently, parts of the bottom plating coat are cut along a straining ring of the side member for exposing plastic; the side member is plated with a finish plating coat; then, the plastic exposure part of the side member is deposited with a periphery part of a plastic windshield in a phase separation mode; therefore, the method can fix plastic windshields on plastic side members with plating coats in high efficiency and can simultaneously enhance the erosion resistance, the strength, etc. of plating coats.
Description
The present invention relates to the fixing means of the windshield that clock and watch side that plastics make and plastics make, just particularly, relate to and make the fixing plastics clock and watch side that can carry out expeditiously of the plastics clock and watch side that is provided with coating and plastic windshield and the fixing means of plastic windshield.
Wrist-watch, pocket watch, bracelet-shaped table, wall clock or the like, the side member of its watchcase and the combination of windshield, what adopt was metal and general combinations such as unorganic glass, plastics and unorganic glass in the past, and adopt combination between the plastics recently in a large number, be that the combination of the windshield (organic glass) made of side member made of plastic and plastics replaces.
And known, the side member of these plastics and the windshield of plastics fixing also is the hot melt voltinism of utilizing plastics, undertaken by deposited.
Yet above-mentioned side member is in order to improve ornamental and to give its popularity, and general surface is coated with coating.Because side member is that plastics are made, so this coating generally is to plate prime coat by electroless plating (electroless plating), make it have the property of energising after, apply whole coating by plating again.
But, even as mentioned above, be deposited over the windshield of plastics on the coated side member, yet exist because both joining parts are metal and plastics, so problem that can not be deposited.
Therefore, always the method for taking is, for example as bonding agent, use the epoxy resin of two component, its syringe of packing into, inject in the gap between side member and the windshield so that both are mutually bonding, perhaps as bonding agent, use the ray hardening type adhesive that constitutes by acrylic resin, it pack into syringe and inject side member and windshield between the gap in, make its sclerosis (drying) by the particularly ultraviolet irradiation of rayed, so that both are mutually bonding.But this exists troublesome poeration, the unprofitable problems in cost aspect such as the injection, drying of bonding agent again.
In addition, in the past as the heat fusing performance of utilizing plastics, by the deposited method that plastics and plastics are fixed, what adopt is that the side member that plastics are made is not applied coating, directly the deposited method on it of the windshield that plastics are made can not improve the ornamental of casing for clock and watch and give epidemic problem but at this moment just exist.
The problem that the application's case inventor exists in view of above-mentioned prior art, thereby be conceived to after the side member that plastics are made applies coating, excise the part of this coating, plastics are exposed, the windshield that plastics are made is deposited over this plastics expose portion.
Therefore, considered method as shown in Figure 3, promptly at first shown in Fig. 3 (A), by electroless plating (electroless plating), after plating prime coat 102 on the side member 101 that plastics are made, plate whole coating 103 by plating thereon again, then shown in Fig. 3 (B), excise the part of the collar (circle) of this side member 101, the plastics of this part are exposed, form plastics expose portion 104, then shown in Fig. 3 (C), make the outer peripheral portion 105a of the windshield 105 that this plastics expose portion 104 and plastics make mutually deposited.But exist the corrosion stability of exposed end 106 of cut-out prime coat 102 poor this moment, and the problem that this exposed end 106 can be got rusty in the use can not adopt so recognize this method.
The present invention makes for the problem that solves above-mentioned prior art existence, purpose is to provide the clock and watch side that a kind of plastics make and the fixing means of plastic windshield, this method makes the fixing of coated plastics clock and watch side and plastic windshield can carry out expeditiously by deposited, and the corrosion stability of both deposited parts coating end is on every side improved.
In order to achieve the above object, the method that the present invention fixes plastics clock and watch side and plastic windshield is as follows: when the windshield that will make plastics is fixed in the collar of plastics side member of casing for clock and watch, at first, the side member that plastics is made by the prime coat that is plated by electroless plating has energising, follow collar along this side member, excise the part of this collar prime coat, after plastics are exposed, on this side member, plate whole coating by electroplating, to make the peripheral part phase-splitting of the plastics expose portion of this side member and plastic windshield deposited then.In addition, the formation that the present invention is desirable is respectively, above-mentioned end plating be by electroless plating and after combined the carrying out of plating that carry out, above-mentioned depositedly undertaken by ultrasonic machining.
In the above-described configuration, by the prime coat that is plated by electroless plating, the side member that plastics are made has been endowed energising, simultaneously, along the collar of this side member, makes the part of prime coat of this collar cut, exposes plastics.
Therefore, by continuing to plate whole coating by plating on this side member, except that the plastics expose portion, prime coat partly is coated with whole coating, and the prime coat exposed end around the plastics expose portion is also covered by whole coating, and corrosion stability is improved.On the other hand, because the plastics expose portion does not have energising,, keep original exposed state so be not coated with whole coating.Therefore, the fixing of the outer peripheral portion of this plastics expose portion and plastic windshield can be undertaken by deposited high-level efficiency.
In addition, carry out end plating, utilize the prime coat that plates by plating, make coating that certain thickness be arranged, the appearance of whole coating and the face intensity of coating integral body are improved by electroless plating and the plating of proceeding are thereafter combined.And, deposited by carrying out with ultrasonic machining, can carry out the fixing of plastics side member and plastic windshield more convenient and expeditiously.
(A) of Fig. 1, (B), (C), (D) are longitudinal diagrams, illustrate and implement the present invention, deposited each stage condition till to the collar of plastics side member of the outer peripheral portion of plastic windshield, Fig. 2 is the deposited part amplification longitudinal diagram on every side of plastics side member shown in Fig. 1 (D) and plastic windshield, and Fig. 3 (A), (B), (C) are the longitudinal diagrams that illustrates stage by stage at the fixing means of the clock and watch side research and inquirement stage, that plastics are made and plastic windshield.Among the figure, 1: the side member that plastics are made, 2: prime coat, 3: plastics expose portion, 4: whole coating, 5: the end of prime coat, 6: the windshield that plastics are made.
Following with reference to the description of drawings embodiments of the invention.Wherein, (A) of Fig. 1, (B), (C), (D) are diagrams from implementing the present invention to the longitudinal diagram with deposited each stage condition till on the plastics side member of the outer peripheral portion of plastic windshield, and Fig. 2 is the deposited part amplification longitudinal diagram on every side of plastics side member shown in Fig. 1 (D) and plastic windshield.
At first shown in Fig. 1 (A), the side member 1 that preparing plastic is made plates prime coat 2 on this side member 1.
Above-mentioned side member 1 preferably adopts ABS resin, and it to add the state of heat flow, is injected in the mould and moulding.ABS resin is the easiest resin that plates coating among resin, is used more in the art.On the other hand, with the plastic windshield of introducing 6, generally adopt acrylic resin as the back.
Above-mentioned prime coat 2 plates by combination in the present embodiment, promptly as shown in Figure 2, comprise for example nickel of the prime coat 2a(that plates by electroless plating), by electroplating for example copper of the prime coat 2b(on 2a, plate) and 2c(nickel for example), give energising by above-mentioned prime coat 2a, simultaneously, give thickness of coating, thereby improved the appearance of the whole coating 4 that will introduce the back and the face intensity of coating integral body by prime coat 2b and 2c.
Therefore, as long as above-mentioned prime coat 2a is endowed energising property, for example the film with thick about 0.5 μ can reach desirable purpose.
Again, make the thickness of above-mentioned prime coat 2b and 2c, for example the former 2b is about 15 μ, latter 2c is about 10 μ, gross thickness is about 20-30 μ, because prime coat 2b, the trickle concavo-convex of side member 1 surface filled and led up, smoothness improves, simultaneously because prime coat 2c, thereby the glossiness of this face is improved and helps improving the appearance of the whole coating 4 that will introduce the back, and, because their gross thickness, the face intensity of coating integral body is (that is, because side member 1 is the plastics softer than metal, when colliding object, might take place to cave in or peel off, so certain thickness must be arranged) be improved.In addition, for example because target is relations such as the low-cost product of production, this prime coat 2b and 2c also can omit.
Then, shown in Fig. 1 (B),, excise the part of the prime coat 2 of this collar, plastics are exposed, plastics expose portion 3 is set along the collar of side member 1.
The excision of this prime coat 2, for example cutting tool adopts lathe tool, by making the side member rotation (side member 1 shown in the figure on one side, be in the longitudinal profile of side member cylindraceous, the side member in the left side in relative symmetrical two parts of center line, make the side member 1 shown in the figure round not shown center line rotation), on one side lathe tool is resisted against on its medial surface, just can carry out easily.Utilize the excision of cutting tool to be not limited to this kind method, can suitably select decision.
Then, shown in Fig. 1 (c), done end plating and carried out plating whole coating 4 by plating on the side member 1 of excision processing at this.
This end, coating 4 thick approximately in the present embodiment 1-2 μ can choose any one kind of them from for example gold-plated, nickel alloy or chromium plating or plating palladium, nickel alloy.Like this, corrosion stability is just strong, and is ornamental just outstanding.
Simultaneously, by plating whole coating 4 as mentioned above, except that plastics expose portion 3, prime coat partly is coated with whole coating, and the end 5 of the prime coat 2 around the plastics expose portion 3 also as shown in Figure 2, covered by whole coating 4,, can prevent that this end 5(is in this end 5 so corrosion stability improves, in the present embodiment, that the most easily get rusty is the prime coat 2b of copper) get rusty, simultaneously, because plastics expose portion 3 energising property not, so can not be coated with whole coating, keep original exposed state.
Then, mutually deposited with the outer peripheral portion 6a of plastic windshield 6 this plastics expose portion 3 as Fig. 1 (D) and shown in Figure 2.
This deposited can be by ultrasonic machining etc., utilize the hot melt voltinism of plastics to carry out easily, because such processing, as shown in Figure 2, along the outer peripheral portion 6a of the plastics expose portion 3 of the collar of plastics side member 1 and plastic windshield 6 by securely and deposited fully with certain area.Therefore, even exert pressure, water can not enter casing for clock and watch inside from the slit between side member 1 and the windshield 6 yet, and water proofing property also is improved.
Therefore,, can utilize deposited the fixing of plastics side member 1 and plastic windshield 6 that carry out expeditiously, simultaneously, can make both deposited parts coating end on every side improve corrosion stability according to present embodiment.Again since both deposited firmly and be fully to carry out with certain area, so can improve water proofing property.Also have, the casing for clock and watch that is processed into like this, though side member 1 is plastics, its outward appearance and metal same invariably part, so the surcharge ratio keeps the height of plastics original appearance, the advantage of cost aspect also can be improved.
According to the present invention, the prime coat that at first utilizes electroless plating to plate is given side member that plastics make with energising property, then, along the collar of this side member, excise the part of this collar prime coat, plastics are come out, then, on this side member, plate whole coating by plating, so, because the prime coat part comprises that the prime coat end around the plastics expose portion goes out to be coated with whole coating, therefore, the corrosion stability of this end can improve, and also can prevent to get rusty.Simultaneously on the other hand, because plastics expose portion energising property not so be not coated with whole coating, keeps original exposed state, so fixing of this plastics expose portion and plastic windshield outer peripheral portion can be carried out expeditiously by deposited.
Again, the present invention can be effectively applied to wrist-watch, pocket watch, bracelet-shaped table and wall clock etc.
Claims (3)
1, the fixing means of a kind of plastics clock and watch side and plastic windshield, it is by in the collar of the deposited plastics side member that plastic windshield is fixed in casing for clock and watch, it is characterized in that it comprises the steps:
1. utilize electroless plating on the plastics side member, to plate to have the prime coat of energising property,
2. along the collar of this plastics side member, excise the part of this collar prime coat, the plastics of side member exposed,
3. on this side member, plate whole coating by electroplating,
4. make the peripheral part phase-splitting of the plastics expose portion of this side member and plastic windshield deposited.
2, by the fixing means of claim 1 described plastics clock and watch side and plastic windshield, it is characterized by, the plating of the above-mentioned end is electroless plating to be combined with the plating of carrying out thereafter carry out.
3, by the fixing means of claim 1 or 2 described plastics clock and watch sides and plastic windshield, it is characterized by above-mentioned depositedly carry out with ultrasonic machining.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89100878 CN1026620C (en) | 1989-02-17 | 1989-02-17 | Fixing method for plastic case of watch and windscreen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89100878 CN1026620C (en) | 1989-02-17 | 1989-02-17 | Fixing method for plastic case of watch and windscreen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1044996A CN1044996A (en) | 1990-08-29 |
| CN1026620C true CN1026620C (en) | 1994-11-16 |
Family
ID=4854058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89100878 Expired - Fee Related CN1026620C (en) | 1989-02-17 | 1989-02-17 | Fixing method for plastic case of watch and windscreen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1026620C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH683482B5 (en) * | 1991-12-28 | 1994-09-30 | Ebauchesfabrik Eta Ag | A method for assembling a mirror on a watch case, comprising timepiece means for positioning of a lens on a box, and lens intended to equip such a part. |
-
1989
- 1989-02-17 CN CN 89100878 patent/CN1026620C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1044996A (en) | 1990-08-29 |
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