Chain – staple – and horseshoe making – Chains – Ornamental
Reexamination Certificate
2000-12-29
2001-11-20
Jones, David (Department: 3725)
Chain, staple, and horseshoe making
Chains
Ornamental
C059S060000, C063S004000
Reexamination Certificate
active
06318064
ABSTRACT:
FIELD OF THE INVENTION
The present invention has for its object a bracelet which can be a watch bracelet, of precious metal, generally gold, silver or platinum.
To avoid the weight and price of the bracelet being too high, the bracelet according to the present invention comprises lightened links.
BACKGROUND OF THE INVENTION
There are known lightened links for articulated bracelets in precious metals, from FR-2 738 122. These links comprise, in addition to the openings giving passage to the pins connecting the links to each other, lightening recesses. A bracelet made of such links has numerous drawbacks which are for example the fact that, seen laterally, the central lightening recess is visible, the lightening recesses can easily fill with water, dust or other dirt. Moreover, the friction of the securement pins in the passages of the links provided for this effect, is a metal-on-metal friction, which gives rise to wear of the links and blackening of them.
SUMMARY OF THE INVENTION
The present invention has for its object a bracelet comprising lightened links avoiding the mentioned drawbacks.
The object of the present invention is the provision of a bracelet comprising metallic links articulated to each other, whose weight will be reduced, as well as the price, particularly when the bracelet is of precious metal. Another object of the present invention is to provide a bracelet with articulated metallic links, avoiding any metal-on-metal friction, to avoid wear and soiling the links.
Still another object of the present invention is the provision of a bracelet comprising lightened metallic links whose cavities cannot fill with water, dust or other dirt. Another object of the invention is again to overcome the corrosion of the metallic links of the bracelet generally due to the potential difference between the links and their articulation pins which are of a different metal. Still another object of the present invention is to provide a low friction pivoting of the links on the articulation pins. Finally, another object of the present invention is that the bracelet according to the invention can, despite the fact of lightened links, meet the Swiss and European standards concerning marking of objects in precious metals.
The bracelet according to the present invention permits achieving all these objects, moreover it is easy to produce and to assemble. This bracelet is distinguished by the characteristics set forth in claim
1
.
REFERENCES:
patent: 4089161 (1978-05-01), Aoki
patent: 6026637 (2000-02-01), Dombre et al.
patent: 2278285 (1976-02-01), None
patent: 2738122 (1997-03-01), None
patent: 1329388 (1973-09-01), None
patent: 2240460A (1991-08-01), None
Jones David
Patek Philippe S.A.
Young & Thompson
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