EP0098240B1 - Boîte de montre-bracelet - Google Patents

Boîte de montre-bracelet Download PDF

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Publication number
EP0098240B1
EP0098240B1 EP83810227A EP83810227A EP0098240B1 EP 0098240 B1 EP0098240 B1 EP 0098240B1 EP 83810227 A EP83810227 A EP 83810227A EP 83810227 A EP83810227 A EP 83810227A EP 0098240 B1 EP0098240 B1 EP 0098240B1
Authority
EP
European Patent Office
Prior art keywords
plate
crystal
sapphire
glued
sockets
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
Application number
EP83810227A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0098240A1 (fr
Inventor
Marc Lederrey
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.)
Rado Uhren AG
Original Assignee
Rado Uhren AG
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 Rado Uhren AG filed Critical Rado Uhren AG
Publication of EP0098240A1 publication Critical patent/EP0098240A1/fr
Application granted granted Critical
Publication of EP0098240B1 publication Critical patent/EP0098240B1/fr
Expired 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
    • G04B39/00—Watch crystals; Fastening or sealing of crystals; Clock glasses
    • G04B39/004—Watch crystals; Fastening or sealing of crystals; Clock glasses from a material other than glass
    • G04B39/006—Watch crystals; Fastening or sealing of crystals; Clock glasses from a material other than glass out of wear resistant material, e.g. sapphire
    • 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
    • G04B47/00—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece
    • G04B47/04—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece with attached ornaments or amusement apparatus
    • G04B47/042—Fastening of jewels and the like

Definitions

  • Wrist watch cases conforming to the preamble of claim 1 have been proposed, for example in patent application EP-A-0 064 951 (enjoying the priority of 01. 05.81).
  • the sockets used to fix the glass to the middle by screwing are secured to the glass by means of a frame glued under the glass.
  • the present invention aims, among other things, to simplify this construction without sacrificing the possibilities of decorating the box, on the contrary, and this even by increasing the solidity of the glass.
  • the pressure they exert on the glass base plate is not dangerous. Even if, by chance, it came to produce a rupture of this base plate, a piece of it could not come off; it would remain stuck, in fact, to the sapphire plate stuck on the base plate.
  • the embodiments defined by claim 3 are as simple as advantageous.
  • the two plates that make up the glass have the same shape and the latter is doubled throughout its extent.
  • these two plates are bonded directly to each other throughout the transparent part of the glass, it is not necessary to pay special attention to the adhesion of the metallization layer formed on the back of the plate. glued from the glass.
  • this layer is completely inaccessible; it is perfectly sheltered from any contact with foreign bodies. Unless the glass is destroyed, nothing can alter it.
  • Decorative elements may also be provided in the external face of the glass, provided that their hardness protects them from depredation, as defined in claim 4.
  • a sapphire plate with simply ground face is not transparent, but only translucent, the glue has the effect of filling the fine grinding streaks, so that the set of two sapphire plates glued one on the the other becomes perfectly transparent. This avoids the costly polishing operations of one of the faces of the two sapphire plates.
  • such a glass is anti-reflective. It is therefore no longer necessary to subject the face of the dial to special treatment intended to make it matt.
  • this glass makes it possible to produce, as desired, matt or shiny metallic layers, on the reverse of the bonded plate, depending on whether the simply ground face in question is the underside of the bonded sapphire plate or the upper face of the plate. basic glass.
  • An independent frame for example of precious or semiprecious stone, can also be interposed between the two sapphire plates glued one on the other, provided that its thickness does not preferably exceed two tenths of a millimeter, as well as stems from claim 6.
  • the assembly forming the glass is relatively thick (which does not increase the apparent thickness of the watch, due to the transparency of the glass), it is possible, as defined in claim 8, to dig therefrom alveoli deep enough to accommodate the cylinder head of cut diamonds and into which it can be glued avoiding any risk of losing these stones.
  • the glass 1 rests on the flat upper face 6 of the middle part 3, left in the state in which the strip used for machining the middle parts 3 leaves the rolling. It is fixed to this face of the middle part by four screws (not shown) engaged from the bottom side of the middle part in the threads of four sockets 7 located in the vicinity of the angles of the box, one of these being shown in Fig. 1.
  • the said screws and the sockets 7 pass through axial holes 8 which pass right through the middle. Incidentally, these screws can be used at the same time to fix the bottom of the case to the middle part 3, as described in patent applications EP-A-0 064 950 and EP-A-0 064 951 (each enjoying the priority from 01.05.81).
  • the diameters of the sockets 7 and of the holes 8 are adjusted to one another with gentle friction.
  • the sockets 7 are also positioned relative to the glass 1, thanks to a conical seat 9, which is formed at the bottom of the sockets 7 and which rests on a seat 10 of same taper of the base plate 2.
  • the seats 9 of the sockets 7 do not protrude above the plate 2.
  • the seats 10 are hollowed out to a depth slightly higher than the height of these seats 9, as shown in FIG. 1.
  • the latter also shows fine streaks 11 on the back of the plate 4.
  • This face of the plate 4 has, in fact, not been polished, but simply ground, so that this plate has, in the dry state , the appearance of a frosted glass.
  • a thin metallization layer 12 is deposited by vacuum spraying on the reverse of the periphery of the plate 4. This metallization can be compact as shown in FIG. 2.
  • the plate 4 is then placed on the plate 2 and kept in the desired position on this plate, then the assembly is subjected, depending on the nature of the adhesive, to ultraviolet radiation or to heat.
  • This operation causes the adhesive to polymerize to the point of causing adhesion of several tens of N / mm2 (kgp / mm 2 ).
  • the glue caught between the plates 2 and 4 excluding the "overflow" seeping around these plates, undergoes the polymerization described.
  • the beads of glue around these plates remain soft and can be easily removed.
  • Fig. 1 shows that the metallization 12 extends from the edge of the plate 4 inwards, up to a little beyond the opening 13 of the middle part 3, in which the dial (not shown) of the watch is intended to appear.
  • the ridges 11 have been filled with glue, the area of the glass included inside the metallization layer 12 is perfectly transparent. In addition, this glass area has an anti-reflective effect. This has the advantage that the dial no longer needs to be subjected to laborious operations intended to make the surface matt.
  • Fig. 1 also shows that the adhesive layer 5 not only extends throughout the space between the adjacent planar faces of the plates 2 and 4, but that it also fills the spaces of the conical recesses 10 of the plate 2 that the seats 9 of the sockets 7 leave free.
  • At least one flat part 14, but preferably two (Fig. 2 and 3) are formed on the seat 9 of each socket 7, so that the adhesive forms locking pins 15 between these flats and the seats 10.
  • Figs. 1 and 2 show that the plate 4 carries, along each of its sides, above the metallized layer 12, three semi-cylindrical rods 16, which are glued in grooves of the same shape of the plate 4. These rods are made of corundum or colored sapphire, that is to say in the same basic material as the plates 2 and 4. A reflective metallization layer is deposited on their cylindrical face, so that the incident light is reflected in a narrow median zone of these rods, where it forms a line of intense luminosity 17 (Fig. 2).
  • Fig. 3 in which only one rod 16 per side of the glass has been shown for simplicity, shows how the glass 1 can be obtained.
  • the sapphire plates 2 and 4 are perfectly rectangular. Their angles are sharp and their edges perpendicular to the faces.
  • Semi-cylindrical grooves 19, equal in number to that of the rods 16 which one wishes to incorporate into the glass, are hollowed out from one edge to the other of the plate 4.
  • these colored sapphire rods are cylindrical, as we see it in 16a in Fig. 3. Their manufacture is easy and inexpensive.
  • the cylindrical face of the rods 16a is polished and then coated with a reflective metallization layer.
  • the glass thus obtained is then bevelled, as seen in 20 in FIG. 2, then bevels 21 are formed all around the upper edge of the glass, the sides 22 of which can be polished at this time.
  • the length of the rods 16a is chosen so that their ends are bevelled at the same time as the plate 4.
  • the ornaments 12, 16 do not only camouflage these sockets; they give the visible side of the box a highly original appearance.
  • the two sapphire plates 2,4 are very firmly joined to each other in the transparent area of the glass 1, it is not necessary for the metallization layer 12 to adhere particularly well to the plate 4. Since layer 12 is trapped between these two plates, which protect it, one can very well deposit in this place for example a layer of silver or aluminum, whose relatively reduced adhesion has prohibited its use in all case this layer is exposed, although its appearance is as attractive as it is original.
  • the metallization 12 gives the glass 1 and consequently the box an already sufficiently decorated appearance, we will of course renounce any other addition of ornament on the plate 4.
  • the second embodiment differs from the first only by its glass 23, the only one shown in FIG. 4.
  • This glass comprises a base plate 2, identical to that of the first embodiment.
  • the sockets 7 are temporarily attached to it in the same way.
  • this base plate is not covered by a single one, but by three sapphire plates 24, 25, the plate 24 covering the middle part of the plate 2 and the plates 25 extending along the long sides of the plate 2.
  • the plate 24 and the two plates 25, which have the same thickness, are perfectly juxtaposed and completely cover the plate 2.
  • the two end zones of the plate 24, intended to extend above the middle of the box, are clouded so decorative, as in the first embodiment.
  • the plates 25 they are entirely opaque and mask the bases 9 of the sockets 7.
  • V grooves 26 are hollowed out through the plates 25. As this hollowing produces grooves with flared edges, they are formed in thicker plates, then the excess thickness is removed by grinding, after bonding of the plates 25 on the base plate 2, in order to obtain grooves 26 with clean edges, the sides of which constitute reflective facets, producing a decorative effect.
  • the metallization layer provided in the first embodiment to hide the upper face of the case middle and the seats of the glass fixing sleeves, is replaced by a metal or precious or semi-precious stone frame 12a, in one or more pieces, which is glued under the plate 4.
  • this frame is sufficiently slim.
  • its thickness will not exceed two tenths of a millimeter. This way of clouding the periphery of the glass is obviously also applicable in the first two embodiments. It goes without saying that such a frame is protected in the same way as the metallization described. Even made of very soft metal, it therefore gives the box an unalterable appearance.
  • the rods 16 of the first embodiment it is one or more cut diamonds which, in this third embodiment, are mounted in the glass.
  • a conical cell 32 is hollowed out for this purpose through the plate 4, into a part of the base plate 2.
  • the cylinder head 33 of a cut diamond 34 is then glued into each of the cells 32.
  • the adhesion of the glue 35 eliminates any risk of losing the brilliants 34.
  • a brilliant mounted in this way has more effect than s 'it was set in a metal frame, because it receives light from all sides through the sapphire glass and the layer of glue 35, which is perfectly transparent.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Physical Vapour Deposition (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Liquid Crystal Substances (AREA)
  • Adornments (AREA)
  • Telephone Function (AREA)
EP83810227A 1982-06-10 1983-06-01 Boîte de montre-bracelet Expired EP0098240B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH358382A CH649436GA3 (ko) 1982-06-10 1982-06-10
CH3583/82 1982-06-10

Publications (2)

Publication Number Publication Date
EP0098240A1 EP0098240A1 (fr) 1984-01-11
EP0098240B1 true EP0098240B1 (fr) 1986-09-03

Family

ID=4259121

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83810227A Expired EP0098240B1 (fr) 1982-06-10 1983-06-01 Boîte de montre-bracelet

Country Status (5)

Country Link
US (1) US4473306A (ko)
EP (1) EP0098240B1 (ko)
JP (1) JPS593384A (ko)
CH (1) CH649436GA3 (ko)
DE (1) DE3365844D1 (ko)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0125376A1 (de) * 1983-04-16 1984-11-21 RODI & WIENENBERGER Aktiengesellschaft Armbanduhr
CH666981GA3 (ko) * 1987-01-22 1988-09-15
CH670185GA3 (en) * 1987-05-12 1989-05-31 Decorative wrist watch face - has gold markers between two layers of glass on face, with one layer of photosensitive glass
CH672225B5 (ko) * 1987-12-23 1990-05-15 Ebauchesfabrik Eta Ag
CH683738B5 (de) * 1990-02-05 1994-11-15 Montres Aernina Watch Werner A Uhr mit Medaille.
CH678909B5 (ko) * 1990-03-06 1992-05-29 Rolex Montres
DE4218874C2 (de) * 1992-06-09 1994-11-10 Swarovski & Co Schmuckuhr
CH690521A5 (fr) * 1996-06-19 2000-09-29 Stettler Hans Ag Glace de montre.
ITIM20030011A1 (it) * 2003-11-12 2005-05-13 Cosetta Schiavolini Particolare vetro per orologio, che permette
HK1083430A2 (en) * 2005-11-11 2006-06-30 Ng Hoi San Loby External watch case with lens made of artificial crystal glass and the manufacturing method for the same
EP2367077B1 (fr) * 2010-03-16 2017-07-26 Montres Breguet SA Ensemble glace-lunette d'habillage pour pièce d'horlogerie et procédé d'assemblage
US10052848B2 (en) * 2012-03-06 2018-08-21 Apple Inc. Sapphire laminates
ITMI20131343A1 (it) * 2013-08-05 2015-02-06 Dolce & Gabbana Srl Sistema di fissaggio di gemme al quadrante di un orologio e orologio dotato di tale sistema di fissaggio delle gemme
US9154678B2 (en) 2013-12-11 2015-10-06 Apple Inc. Cover glass arrangement for an electronic device
CA158518S (en) * 2014-03-24 2015-04-14 Winston Harry Sa Watchcase
DE102015204613B4 (de) 2015-03-13 2018-03-15 Levitation AG Verfahren zum Herstellen eines Uhrglases mit mindestens einem Schmuckstein
US10406634B2 (en) 2015-07-01 2019-09-10 Apple Inc. Enhancing strength in laser cutting of ceramic components
JP6623848B2 (ja) * 2016-03-08 2019-12-25 セイコーエプソン株式会社 時計用リューズ及び時計
DE102016222905B4 (de) 2016-11-21 2019-03-07 Realization Desal Ag Uhrglas und Verfahren zum Herstellen eines Uhrglases
DE102017201676B4 (de) 2017-02-02 2019-08-14 Realization Desal Ag Uhrglas mit lumineszierendem Element
DE102020112523B3 (de) * 2020-05-08 2021-09-02 Realization Desal Ag Uhrglas mit einem dekorativen Element
DE102020112541B4 (de) 2020-05-08 2022-01-13 Realization Desal Ag Uhrglas mit einem dekorativen Element

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH206230A (fr) * 1938-03-10 1939-07-31 Solvil Des Montres Paul Ditish Pièce d'horlogerie.
US2179294A (en) * 1938-03-21 1939-11-07 Harold B Heit Diamond studded watch ornamentation
DE1079872B (de) * 1958-04-17 1960-04-14 Hermann Flad Schmucksteinfassung
CH623448GA3 (en) * 1977-06-09 1981-06-15 Glass for watch
CH622151B (fr) * 1977-07-15 Hans Ulrich Klingenberg Boite de montre.
JPS623746Y2 (ko) * 1981-02-17 1987-01-28
WO1982004134A1 (en) * 1981-05-01 1982-11-25 Rado Sa Montres Waterproof watchcase

Also Published As

Publication number Publication date
JPS645271B2 (ko) 1989-01-30
JPS593384A (ja) 1984-01-10
DE3365844D1 (en) 1986-10-09
CH649436GA3 (ko) 1985-05-31
US4473306A (en) 1984-09-25
EP0098240A1 (fr) 1984-01-11

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