EP0632909B1 - Boitier de montre - Google Patents

Boitier de montre Download PDF

Info

Publication number
EP0632909B1
EP0632909B1 EP93906617A EP93906617A EP0632909B1 EP 0632909 B1 EP0632909 B1 EP 0632909B1 EP 93906617 A EP93906617 A EP 93906617A EP 93906617 A EP93906617 A EP 93906617A EP 0632909 B1 EP0632909 B1 EP 0632909B1
Authority
EP
European Patent Office
Prior art keywords
face
dial
shell
cover glass
casing according
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
EP93906617A
Other languages
German (de)
English (en)
Other versions
EP0632909A1 (fr
Inventor
Elmar Mock
Matthias Hell
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.)
Createc Patent Holding SA
Original Assignee
Createc Patent Holding 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 Createc Patent Holding SA filed Critical Createc Patent Holding SA
Publication of EP0632909A1 publication Critical patent/EP0632909A1/fr
Application granted granted Critical
Publication of EP0632909B1 publication Critical patent/EP0632909B1/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
    • G04B39/00—Watch crystals; Fastening or sealing of crystals; Clock glasses
    • 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
    • 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
    • G04B19/14—Fastening the dials to the clock or watch plates
    • 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
    • G04B37/00—Cases
    • G04B37/14—Suspending devices, supports or stands for time-pieces insofar as they form part of the case
    • G04B37/1486—Arrangements for fixing to a bracelet

Definitions

  • the invention relates to a housing for a watch, consisting of a shell, Dial and coverslip, which are all made of plastic, as well as a Method for producing such a housing, according to the Preambles of the independent claims.
  • Watch cases that have such a structure are especially for Wristwatches and pocket watches are provided. More common with such watches
  • the shell has two openings.
  • a first opening serves to make the movement accessible from one side. This first opening is closed by a cover that the Back of the watch forms.
  • a second opening is the display element, For example, facing the dial and is by this also covered.
  • the movement is anchored in the shell and carries usually the dial.
  • a cover slip is attached to the dish. So the shell is essentially outward through the Cover glass and the lid completed.
  • Housings are also known, in which an annular rim is formed on the dial over which the cover slip is attached.
  • the ring-shaped includes Edge the cover slip around its entire circumference.
  • Such a housing is, for example, from the Swiss patents No. 300360 and No. 70650 as well as from DE-U-1 882 484.
  • the cover slip has an annular rim positioned on the dial against lateral displacement and additionally fastened to it via connecting means so that it does not can be lifted off.
  • This means that from the above Fonts of known dials have very complicated shapes, which consist of more or less flat surfaces, which is the real thing Form the dial and stick to the one that stands out Connect ring surfaces.
  • This enables positive positioning and an attachment of the cover slip on such a dial can be achieved.
  • the edge area usually protrudes as a ring upwards out of the surface of the dial.
  • CH-A-659 169 and EP-A-0 131 858 are further housings known in which the cover slip in a recess in a housing part is used as a shell part or as a shell part and Dial is formed at the same time.
  • the cover slip is practical here sunk into this housing part and through a recess positioned. Again, the condition is that the expansion of this Housing or shell part far exceeds that of the cover slip. This means that there are significant restrictions for the two above-mentioned housings to accept in the design of the housing.
  • the invention as characterized in the claims solves the problem of avoiding the disadvantages mentioned and a housing for a watch with extended design options create that easy to manufacture and seal that easily is.
  • the dial which closes the shell in the direction from which the time display is directly attached to the shell and that the cover glass on the other hand directly on the actual dial is moored.
  • the cover slip is facing directly towards it Surface of the dial put on, for time display serves.
  • the positioning of the cover slip on the dial and its attachment is ensured by one and the same means, so that no further surveys protrude from the dial have to, for example, positioning by positive locking to reach.
  • the coverslip directly on the flat or curved but one in glued on the essential continuous surface forming dial or welded on and the dial in turn is directly on the Shell glued or welded on.
  • the dial can certain places or the entire circumference also over the glass or the The shell protrudes outwards.
  • the shell can essentially by the Dial are covered so that it is hardly visible. This allows the visual perception of the watch through the design of the Dial can be determined virtually completely freely.
  • the too shaping surface of the dial can even cover the surface of the cover glass surpass.
  • the areas where decorations can be attached are significantly expanded.
  • the decorations - such as prints - can from the bracelet over the dial and over its Flow the field for the time display without being interrupted by paragraphs or without having to overcome height differences.
  • the dial is also visible from the side, i.e. in profile become. With this, this profile can also be designed and the clock can optically stand out from other watches. Another advantage is that only two and not more than one part at a time a connection are to be connected together so that the seal between the two parts is simpler and more reliable, i.e. seals longer.
  • the construction of a watch case according to the invention results also the ability to give the dial not just decorative features assign.
  • the dial now represents the connection between the cover slip and the shell and therefore also has a supporting function. That means at However, the design according to the invention does not mean that the dial accordingly must have great strength or rigidity.
  • the dial can now even be made from a thin film or from the shell a layer of a material that is applied to the shell. Likewise, it doesn't matter whether the dial has numbers, lines or has no elements at all that allow the position of the hands to determine exactly.
  • a dial Element that is mainly visible from the direction from which the Watch is viewed to read the time.
  • forces that act laterally on the cover slip and are caused by pious Fasteners are excluded, causing tension in the Coverslip avoids.
  • In the idle state only forces act on the dial and Cover glass caused by gravity. These are at level Position of the clock essentially perpendicular to the greatest extent of the dial directed.
  • the housing 1 shows part of a housing 1 for a wristwatch in section shown.
  • the housing 1 consists of a shell 2 whose shape in Inside is shown here in a highly simplified manner and a room 3 for a clockwork provides that is not used here.
  • a dial extends over it 4.
  • a curved cover glass 5 is arranged above the dial 4, the Above the dial 4, a space 6 is kept free, in a manner known per se and therefore pointers are not shown here.
  • the Shell 2 optionally has a small groove 8 on its upper edge 7 which extends over the entire circumference.
  • the dial 4 points to his lower boundary surface 9 also optionally a small extension 10, which engages in the groove 8.
  • the extension 10 forms together with the groove 8 a connection or attachment between these two parts.
  • the dial 4 has on its surface 11 a groove 12 into which a Extension 13 of the cover slip 5 engages. This results in the connection or attachment between the cover slip 5 and the dial 4.
  • the dial 4 has a substantially continuous surface 20, for example in a flat area 20a and a sloping area Area 20b can be divided. So surface 20 essentially has one Form curved outwards towards the cover slip.
  • the groove 12 is here for one Welded connection provided or takes for example with an adhesive connection the glue on.
  • the groove 12 is dimensioned very small in comparison.
  • a fastener 14 known per se can also be seen a bracelet, not shown here, on two opposite areas the shell 2 is arranged.
  • the dial 4 protrudes with a part 16 in the areas this fastener 14 over the actual shell 2 and over the cover slip 5 outwards in front.
  • the shell essentially has a cylindrical outer boundary, which is formed by a surface that appears here as line 15, so in this example the cover glass 5 even protrudes beyond the dish 2, without also surrounding the bowl 2 laterally.
  • the extensions 10 and 13 by welding, fixed in the grooves 8 and 12, whereby at the same time a seal is created.
  • a welding process is in particular Ultrasonic welding is advantageous because the shell,
  • the dial and cover glass are made of plastic.
  • the extensions mentioned can also be glued into the groove, so that in addition to welding, adhesive connections are preferably provided. Such connections are permanent and do not require any mechanical connection elements.
  • Figure 2 shows a housing for a clock according to Figure 1 in supervision.
  • the dial 4 that of the transparent and therefore cover glass that is not visible in this illustration is covered.
  • the fastening means 14 for a bracelet of which both halves here 17 and 18 can be seen.
  • Half 17 is already attached to the shell, however, half 18 not yet.
  • An elevator crown 19 is also provided in this housing.
  • FIG. 3 shows two halves 21 and 22 of a further embodiment of a Housing without the cover slip.
  • Half 21 only shows the profile of the Housing as it turns out if you place the housing approximately between the center 26 and a zone that intersects around 9 o'clock on the dial lies. It can be seen that the shell 24 and the dial 25, for example have a common cylindrical outer surface 23.
  • Half of 22 who are approximately as a cut between the center of the clock and 6 o'clock on the dial reveals a view of a Uhnverk 27 and an electric battery 28.
  • the clockwork 27 has on its upper edge 29 an outwardly facing Paragraph 30, which is supported in the shell 24. It will go up Clockwork 27 held by the dial 25.
  • the edge 31 only protrudes towards the shell 24, so that the dial a flat and uninterrupted surface 33 for receiving the Has coverslip.
  • the connection between the dial also occurs here and bowl in the manner already mentioned.
  • Figure 4 shows a clock in section, and thus another embodiment a shell 34.
  • the shell 34 here has a simple or spherical curve and a dial 38 facing surface 38.
  • the dial 35 rests on surface 38.
  • the cover glass 47 has a corresponding shaped face or attachment surface 39 that conforms to the shape of the surface 40 of the dial 35 is adjusted. It is about the contact surface 39 Cover glass 47 glued to the surface 40 of the dial 35 or so welded that a direct connection is created.
  • the dial 35 can be made comparatively thin and a small thickness 44 in Have comparison to its extension in the direction of an arrow 45. It is glued to as large a part of the surface 38 as possible, for example.
  • the dial 35 is very thin, it can also form a coating that is applied here on the surface 38 in a manner known per se. As well the dial could be designed as a film.
  • the dial 37 has in this version no special training for positioning or Attachment of a cover slip 47 is used.
  • the cover glass 47 is preferably used in the production of such housings by part of a tool 41 as shown in FIG. 5 on the surface 40 of the dial positioned. This positioning is then only temporary and is determined by the relative position of two surfaces 42 and 43, that happen to be in a line here, if the Cover glass is held onto the dial by this tool. This happens until the connection between cover glass and dial is established is, for example, until the previously applied adhesive solidifies or, in ultrasonic welding, until the tool has enough energy handed over so that the welding is done. This positioning can by the same tool that, for example, the adhesive or welds to the cover slip. In any case, there are none Positioning means to be provided on the dial or on the cover glass. The same procedure can be used for the connection between the dial and shell become.
  • the dial can, with appropriate training, by the Tool can also be positioned on the surface 38 of the shell 34. So can, for example, very thin and possibly flat, foil-like dials be used. It is also conceivable now dials from the same To produce material that is also used for the bracelet, so that an optical unit can be achieved.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Lock And Its Accessories (AREA)
  • Telephone Function (AREA)

Claims (11)

  1. Boítier pour une montre, composé d'une cuvette (2), d'un cadran (4) et d'un verre (5), qui sont tous fabriqués en matière plastique,
    caractérisé
    en ce que le cadran (4), qui a une fonction de support pour le verre (5) et pour la cuvette (2), se prolonge jusqu'à la fixation (14) du bracelet et permet des positionnements (13, 10) pouvant être disposés au choix pour la cuvette (2) et pour le verre (5) et en ce que des verres (5) de différentes conformations et, respectivement, des cuvettes (2) de différentes conformations sont par ce moyen fixés au choix, par des liaisons par la matière et étanches, c'est-à-dire formés par collage ou soudage, étant positionnés sur des côtés opposés du cadran (4).
  2. Boítier selon la revendication 1, caractérisé en ce que la liaison par la matière entre le verre et le cadran établit une liaison directe (12, 13) sur la surface (20), liaison qui positionne et fixe directement et à elle seule le verre sur le cadran.
  3. Boítier selon la revendication 1, caractérisé en ce que le cadran est fixé directement sur la cuvette.
  4. Boítier selon la revendication 1, caractérisé en ce que le cadran présente une dimension qui correspond au moins à la dimension du verre.
  5. Boítier selon la revendication 1, caractérisé en ce que le cadran possède une épaisseur (44) sensiblement constante et faible, comparativement à sa dimension (45).
  6. Boítier selon la revendication 1, caractérisé en ce que la surface du cadran est sensiblement bombée vers l'extérieur.
  7. Boítier selon la revendication 1, caractérisé en ce que le verre (47) n'est en contact avec le cadran (35) que par sa surface de portée (39).
  8. Boítier selon la revendication 2, caractérisé en ce qu'il est prévu, comme liaison par la matière, une liaison soudée.
  9. Boítier selon la revendication 1, caractérisé en ce que le verre n'est soumis qu'à des forces qui sont développées par sa propre gravité.
  10. Procédé pour fabriquer un boítier selon la revendication 1, caractérisé en ce que le verre est positionné sur le cadran puis directement assemblé solidement à la surface (40) du cadran par un outil (41).
  11. Procédé selon la revendication 10, caractérisé en ce que le cadran est positionné sur la cuvette (34), puis directement assemblé solidement à la cuvette par un outil (41).
EP93906617A 1992-03-26 1993-03-25 Boitier de montre Expired - Lifetime EP0632909B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
CH960/92 1992-03-26
CH96092 1992-03-26
CH836/93 1993-03-19
CH83693 1993-03-19
PCT/EP1993/000732 WO1993019402A1 (fr) 1992-03-26 1993-03-25 Boitier de montre

Publications (2)

Publication Number Publication Date
EP0632909A1 EP0632909A1 (fr) 1995-01-11
EP0632909B1 true EP0632909B1 (fr) 1999-03-10

Family

ID=25685847

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93906617A Expired - Lifetime EP0632909B1 (fr) 1992-03-26 1993-03-25 Boitier de montre

Country Status (6)

Country Link
EP (1) EP0632909B1 (fr)
JP (1) JPH08508336A (fr)
AT (1) ATE177543T1 (fr)
DE (1) DE59309434D1 (fr)
ES (1) ES2131577T3 (fr)
WO (1) WO1993019402A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH686472B5 (fr) * 1994-05-19 1996-10-15 Ebauchesfabrik Eta Ag Boite de montre susceptible de recevoir au choix deux cadrans de dimensions diffèrentes.
DE69939974D1 (de) * 1999-04-22 2009-01-08 Eta Sa Mft Horlogere Suisse Gegenseitige Befestigung eines Glases,eines Zifferblattes und eines Werkringes für eine Uhr

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1296316U (fr) *
DE1882484U (de) * 1963-08-14 1963-11-07 Lust & Co Armbanduhrgehaeuse.
CH650894GA3 (fr) * 1982-08-12 1985-08-30 Ebauchesfabrik Eta Ag
CH659169GA3 (fr) * 1985-10-07 1987-01-15
FR2648923B1 (fr) * 1989-06-21 1993-02-12 Cabry Pierre Procede de fabrication de montres-bracelets et montres-bracelets ainsi realisees

Also Published As

Publication number Publication date
ES2131577T3 (es) 1999-08-01
EP0632909A1 (fr) 1995-01-11
ATE177543T1 (de) 1999-03-15
WO1993019402A1 (fr) 1993-09-30
JPH08508336A (ja) 1996-09-03
DE59309434D1 (de) 1999-04-15

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