EP0335251B1 - Montre revêtue d'un décor filiforme - Google Patents

Montre revêtue d'un décor filiforme Download PDF

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Publication number
EP0335251B1
EP0335251B1 EP89105191A EP89105191A EP0335251B1 EP 0335251 B1 EP0335251 B1 EP 0335251B1 EP 89105191 A EP89105191 A EP 89105191A EP 89105191 A EP89105191 A EP 89105191A EP 0335251 B1 EP0335251 B1 EP 0335251B1
Authority
EP
European Patent Office
Prior art keywords
watch
threads
fact
wires
bed
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 - Lifetime
Application number
EP89105191A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0335251A1 (fr
Inventor
Serafino Piscia
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Omega SA
Original Assignee
Omega SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Omega SA filed Critical Omega SA
Publication of EP0335251A1 publication Critical patent/EP0335251A1/fr
Application granted granted Critical
Publication of EP0335251B1 publication Critical patent/EP0335251B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/06—Dials
    • G04B19/12—Selection of materials for dials or graduations markings
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B45/00—Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects
    • G04B45/0076—Decoration of the case and of parts thereof, e.g. as a method of manufacture thereof

Definitions

  • the present invention relates to a watch in which at least part of the clothing serves as a substrate for a decorative coating, said coating having a plurality of metal wires covering the substrate.
  • Watches have already been proposed for a long time topped with a decorative coating.
  • a mosaic look is given to the dial or to the bezel of a watch by making it undergo a guilloche operation which consists in decorating the dial with engraved lines, hollowed out and crisscrossed.
  • the guillochage is mainly applied to parts manufactured in large series and leaves a monotonous impression ill suited to high-end watches.
  • Document FR-A-1002236 presents a watch strap with an invisible dial.
  • the dial is formed or decorated so as to continue the bracelet or appear to continue it.
  • the inventive idea of this document consists in giving the dial an appearance similar to that of the bracelet, so as to give the impression that the movement is placed inside a bracelet in one piece.
  • the watch described in application EP-A-0294661 presents a watch of which at least part of the clothing is surmounted by a mosaic-type coating.
  • a mosaic-type coating comprising a plurality of pavers juxtaposed and arranged on a bed serving as a means of fixing said pavers on said clothing, the upper part of the interstices separating said pavers being left empty.
  • the bed is a paste of gold on which the pavers are placed and which is melted to weld the pavers to the clothing.
  • the present invention aims to overcome the disadvantages of high labor cost related to the coating described above and to ensure geometric regularity for each coating, as well as from one coating to another, by using a way of doing things that is better suited to industrial manufacturing, while giving the watch a high-end aesthetic with relief that can resemble a mosaic.
  • each of the metal wires serving as a decorative coating has a substantially helical shape and is interlaced longitudinally with at least one other of the said wires, the latter being partially embedded in a bed disposed on said substrate so as to form an essentially regular arrangement, said bed also serving as means for fixing said metal wires to said substrate.
  • the result of this invention is a decorative coating suitable for high-end and can be manufactured industrially.
  • This decorative coating thus has a relief structure resembling a mosaic forming an essentially regular pattern.
  • a bas-relief a half-relief or a high-relief.
  • Figure 1a is a top view of a watch dial 1 decorated according to the invention and according to a first arrangement.
  • the dial has an opening 2 for the passage of the axes carrying the hands and hour markers 3.
  • the decorative coating has a plurality of metal wires 5 and 6 partially interleaved with the others.
  • the wires 5 and 6 are twisted two by two as shown in FIG. 2 which shows a twist 4.
  • twists are prepared 4 which are then placed side by side on a bed which will serve as means for fixing the wires on a plate forming the substrate of the dial, as will appear in FIGS. 4 and 5. Once the twists are fixed to the substrate, the dial is cut out in its final form shown in FIG. 1a.
  • the wires 5 and 6 forming the twist 4 will preferably be made of precious metals, for example gold.
  • the wires 5 and 6 can be made of gold of the same color and thus present a uniform decoration. But it is understood that the wire 5 could be in yellow gold and the wire 6 in white gold, thus creating an alternating decor.
  • the invention is not limited to twists comprising two wires only, these twists being able to comprise three or four wires for example.
  • the present invention is however not limited to the use of wires made of precious metals. It could be other materials, for example steel, titanium, etc.
  • FIG. 1b shows another arrangement which shows the juxtaposition of twists 4 and 4 ′ where the twist 4 is wound in one direction and the twist 4 ′ in the opposite direction.
  • Figure 3 is a section along line III-III of Figure 1a.
  • the covering made of partially intertwined metal wires 5 and 6 rests on a bed 7 which serves as means for fixing the wires on the clothing 8 which is to be covered.
  • the wires 5 and 6 are made of gold and the clothing 8 is also made of gold, use will be made of a solder paste commonly used by goldsmiths and itself containing gold.
  • the clothing 8 is coated to be coated with this paste forming the base bed 7, then the wires are deposited on the paste.
  • the object is then placed in the oven at a temperature of the order of 800 ° C., which welds the wires on the substrate.
  • FIG. 3 also shows that the weld bed does not reach the top of the wires 5 and 6. In this way, the wires appear as roughness on the exterior surface of the decoration, a surface which then takes on a grainy appearance giving the watch has a particularly beautiful aesthetic.
  • Figure 4 is a variant of what has been explained in connection with Figure 3.
  • the surface of the decoration is flattened by grinding the top of the wires 5 and 6.
  • the surface is thus made more regular while retaining the grainy appearance research.
  • Figure 5 is a top view of a watch where the decoration according to the invention covers the middle-bezel 9 of this watch.
  • the decoration according to the invention covers the middle-bezel 9 of this watch.
  • Threads 5 and 6 which were discussed above.
  • such a covering will preferably be achieved by means of the metallic fabric which will be presented below.
  • the welding bed of which we have spoken is deposited on the middle part 9, the fabric of metal wires is applied to this bed, the solder is melted to fix this fabric on the middle part. After solidification of the weld, the fabric is cut according to the desired annular shape.
  • Figure 5 shows a dial without decoration. It will however be understood that the dial could also be covered by the coating of the invention.
  • FIG. 6 shows another way of executing the decor according to the invention.
  • the wires making up the decoration are intertwined to form the metallic fabric 10.
  • Each wire 11 to 16 is wound in a spiral.
  • the wire 11 is interlaced with the wire 12, the wire 12 with the wire 13, the wire 13 with the wire 14, etc.
  • the fabric can be placed as it is on the bed above the substrate. It may also have undergone a crushing operation before welding.
  • Such a fabric is known, for example under the name of Milanese fabric and is used to make bracelets. Descriptions can be found by consulting certain documents such as, for example, documents EP-A-0040504, CH-A-497150 or even CH-A-629657.
  • wire used can be of any cross section: round, triangular, square, star, etc.
  • the decoration according to the invention is not limited to the watch itself, but could also take on the links making up the strap of this watch.
  • the watch obtained in the manner just described gives the impression of a very rich object both by the materials used and by the texture obtained in bas-relief.
  • the decoration described lends itself particularly well to industrial production.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Adornments (AREA)
EP89105191A 1988-03-30 1989-03-23 Montre revêtue d'un décor filiforme Expired - Lifetime EP0335251B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1205/88 1988-03-30
CH1205/88A CH672866B5 (,) 1988-03-30 1988-03-30

Publications (2)

Publication Number Publication Date
EP0335251A1 EP0335251A1 (fr) 1989-10-04
EP0335251B1 true EP0335251B1 (fr) 1991-11-06

Family

ID=4204959

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89105191A Expired - Lifetime EP0335251B1 (fr) 1988-03-30 1989-03-23 Montre revêtue d'un décor filiforme

Country Status (4)

Country Link
EP (1) EP0335251B1 (,)
CH (1) CH672866B5 (,)
DE (1) DE68900403D1 (,)
ES (1) ES2027808T3 (,)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1234118B (it) * 1989-06-12 1992-04-29 Inzerillo Giuseppe Nordio Fran Metodo per la produzione di quadranti in vetro murrino
WO2015047390A1 (en) * 2013-09-30 2015-04-02 Bodhi Technology Ventures Llc Milanese wire mesh, apparatus and method for weaving a milanese mesh

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0294661A1 (fr) * 1987-06-04 1988-12-14 Omega SA Montre revêtue d'une mosaique

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1002236A (fr) * 1946-08-21 1952-03-04 Cleef & Arpels Soc Van Perfectionnements à la présentation des bracelets-montres
DE1973982U (de) * 1967-07-12 1967-11-30 Ernst Bucher Grossuhr mit zifferblatt aus brokat, samt, cord, leder, gobelin, petitpoint und anderen schweren stoffen.
FR2464514A1 (fr) * 1979-08-29 1981-03-06 Castelbajac Jean Charles De Instrument d'horlogerie muni d'un verre comportant des traces lineaires
JPS56162074A (en) * 1980-05-19 1981-12-12 Toru Mashida Production for dial of clock
JPS5746178A (en) * 1980-09-04 1982-03-16 Toru Mashida Manufacture of dial for watch
CH640690GA3 (en) * 1981-04-24 1984-01-31 Wristwatch case

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0294661A1 (fr) * 1987-06-04 1988-12-14 Omega SA Montre revêtue d'une mosaique

Also Published As

Publication number Publication date
EP0335251A1 (fr) 1989-10-04
CH672866GA3 (,) 1990-01-15
ES2027808T3 (es) 1992-06-16
DE68900403D1 (de) 1991-12-12
CH672866B5 (,) 1990-07-13

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