EP0600389A1 - Uhrengehäuse mit einem ausgehöhlten Mittelteil - Google Patents

Uhrengehäuse mit einem ausgehöhlten Mittelteil Download PDF

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Publication number
EP0600389A1
EP0600389A1 EP93119086A EP93119086A EP0600389A1 EP 0600389 A1 EP0600389 A1 EP 0600389A1 EP 93119086 A EP93119086 A EP 93119086A EP 93119086 A EP93119086 A EP 93119086A EP 0600389 A1 EP0600389 A1 EP 0600389A1
Authority
EP
European Patent Office
Prior art keywords
segments
watch case
case according
place
recess
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.)
Granted
Application number
EP93119086A
Other languages
English (en)
French (fr)
Other versions
EP0600389B1 (de
Inventor
Marc-André Miche
Aimé Loichot
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.)
Swatch Group Management Services AG
Original Assignee
SMH Management Services 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 SMH Management Services AG filed Critical SMH Management Services AG
Publication of EP0600389A1 publication Critical patent/EP0600389A1/de
Application granted granted Critical
Publication of EP0600389B1 publication Critical patent/EP0600389B1/de
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
    • G04B37/00—Cases
    • G04B37/22—Materials or processes of manufacturing pocket watch or wrist watch cases
    • 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
    • G04B37/0008—Cases for pocket watches and wrist watches
    • 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
    • G04B37/04—Mounting the clockwork in the case; Shock absorbing mountings
    • G04B37/05—Fixed mountings for pocket or wrist watches

Definitions

  • the present invention relates to a watch case comprising a middle-bezel provided with a recess with a substantially curved profile opening towards the inside of the case, a crystal and a bottom for containing a movement surmounted by a dial and a casing circle arranged between the movement and the middle part.
  • the document CH-A-664 251 describes a gold watch case where the movement is fixed to the middle-bezel which is hollowed out internally.
  • This fixing is carried out by means of a casing piece which is centered from the inside.
  • an axial projection of the casing piece is fitted with gentle friction around a corresponding projection, which is integral with the box and which consists of a part of a flange, of which another part is pinched between an internal lip of the middle-bezel and the glass.
  • the axial fixing of the casing part is ensured by a lock which bears against a shoulder of the middle part and keeps the casing part pressed under the lip.
  • This middle part comprises first and second cylindrical bearing surfaces cooperating respectively with a crystal and a bottom.
  • Three studs integral with the middle part are arranged in the space defined by the arch-shaped recess.
  • Each of the studs carries a projection extending in the direction of the movement carried by the box, said projection carrying a beat upper on which rests a flange against which the glass rests and a lower battue on which rests a casing circle against which the bottom rests.
  • the hollowed-out middle parts described in the documents cited above are fragile in the sense that they are sensitive to lateral shocks applied to the watch, the extreme thinness of the wall of the middle part explaining that the latter can be dented at the slightest blow on she.
  • the present invention is characterized in that the casing circle is composed of at least four juxtaposed segments and partially engaged in the recess of the middle part, to cover at least 85% of its periphery, the outer contour said segments being shaped to be in close contact with said substantially curved profile, means being used to hold said segments in place in said recess.
  • the watch case includes a bezel-bezel 11 provided with a recess 26 with a substantially curved profile 8 in the form of a vault opening towards the inside of the case.
  • the box is completed by a crystal 16 and a bottom 12 to contain a movement 13 surmounted by a dial 14.
  • a casing ring 10 is arranged between the movement 13 and the middle part 11. Needles 15 take place between the dial 14 and the glass 16, this spacing being well defined by a flange 18.
  • the sealing of the glass 16 relative to the middle part 11 is ensured by a cylindrical seal 17 which rests on a drop 25 formed in the top of the bezel forming an integral part of the middle part 11.
  • the base 12 is fixed to the notch on the middle part 11, its sealing being ensured by a gasket 19. It will be noted that this base could be made in one piece with the middle part and thus form a box monohull.
  • the movement 13 is introduced from the top of the middle part and bears the thread 30 with which it is provided on the shoulder 7 of the casing ring 10.
  • the movement 13 is made integral with the circle 10 by means of fixing flanges, one of which only 22 is visible in FIG. 3.
  • a tube 20 passes through the middle part 11, a tube in which the movement time-setting rod takes place (not shown).
  • a reinforcement 21 of the middle part materialized by an addition of added material has been provided at the place of the passage of this tube. made in one piece with said middle part. This reinforcement 21 is also visible in the plan views of FIGS. 1, 6 and 8.
  • the hollowed-out middle part 11 can be produced by turning by means of cutters or by stamping and upsetting, by means of a rotary press, according to the method described in the document EO-A-0 378 125 cited above, this method being chosen especially for large production series which also allows the forming of the horns 23.
  • it is sought to obtain a very thin wall by saving precious material.
  • such a slim build can hardly withstand the shocks applied to it in normal wear and lashes quickly.
  • the weight of the watch makes one doubt that its case is made of precious metal since its middle is hollowed out with the obvious aim of selling the product cheaper.
  • the essential characteristic of the present invention which consists in using a casing ring which almost completely fills the recess of the middle part by closely matching its internal profile.
  • the casing ring made of brass, for example, provides a solution to the problem of weight, the problem of impact resistance being resolved by intimate contact of the circle with the middle part around the latter.
  • the casing circle is composed of at least four segments 1, 2, 3 and 4 as seen in Figures 1, 6 and 8. These segments are juxtaposed and partially engaged in the recess 26 of the middle and cover at least 85% of its circumference. As can be seen particularly clearly in FIGS.
  • each segment is shaped to be in close contact with the substantially curved profile 8 which the inside of the middle part has.
  • the outer contour 9 of each segment is shaped to be in close contact with the substantially curved profile 8 which the inside of the middle part has.
  • Figure 5 shows how the segments are mounted in the middle.
  • the segments thus juxtaposed are then made to slide so that the empty parts situated to the right and to the left of the tube 20 are approximately equal length. If it is desired that at least 85% of the periphery of the recess 26 be covered by the segments, it can be shown that at least four segments are necessary. Once the geometric balance is reached with respect to the tube, we will fix the segments to hold them in place which facilitates the subsequent mounting of the movement.
  • Figure 1 shows a first embodiment of the invention where the means for holding in place the segments 1, 2, 3 and 4 consist of an elastic ring 5 which is disposed in the groove 6 formed in each segment.
  • the means for holding in place the segments 1, 2, 3 and 4 consist of an elastic ring 5 which is disposed in the groove 6 formed in each segment.
  • two holes 24 are provided which allow it to be grasped with a special pliers. Note that the ring 5 is seen in section in Figures 2, 3 and 4.
  • Figures 6 and 7 show a second embodiment of the invention where the means for holding in place the segments 1, 2, 3 and 4 consist of an elastic jumper 27.
  • the top 32 of the jumper 27 is disposed in the grooves 6 already described, while the legs 33 are introduced into slots 34 formed towards the ends of the segments.
  • FIG. 6 shows that three jumpers 27 allow the four segments 1, 2, 3 and 4 to be connected and held in place. The bottom of the slot 34 can be observed in FIG. 7.
  • FIG. 8 shows that each of the flanges 28 is screwed into the respective groove 6 of the segments 1 and 4 by means of screws 29.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Electric Clocks (AREA)
  • Surgical Instruments (AREA)
EP93119086A 1992-12-02 1993-11-26 Uhrengehäuse mit einem ausgehöhlten Mittelteil Expired - Lifetime EP0600389B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3696/92 1992-12-02
CH3696/92A CH684861B5 (fr) 1992-12-02 1992-12-02 Boîte de montre à carrure évidée.

Publications (2)

Publication Number Publication Date
EP0600389A1 true EP0600389A1 (de) 1994-06-08
EP0600389B1 EP0600389B1 (de) 1997-03-12

Family

ID=4261570

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93119086A Expired - Lifetime EP0600389B1 (de) 1992-12-02 1993-11-26 Uhrengehäuse mit einem ausgehöhlten Mittelteil

Country Status (8)

Country Link
US (1) US5363350A (de)
EP (1) EP0600389B1 (de)
JP (1) JP3310076B2 (de)
CH (1) CH684861B5 (de)
DE (1) DE69308759T2 (de)
ES (1) ES2101200T3 (de)
HK (1) HK1007810A1 (de)
SG (1) SG43172A1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0716360A1 (de) * 1995-08-30 1996-06-12 Fabrique D'ebauches De Sonceboz S.A Uhrengehäuse mit ausgehöhltem Gehäuseteil und Gehäuseanpassungsmittel sowie eine mit einem solchen Gehäuse ausgerüstete Uhr
EP0762240A1 (de) * 1995-08-30 1997-03-12 Fabrique D'ebauches De Sonceboz S.A. Uhrengehäuse mit ausgehöhltem Gehäuseteil und Gehäuseanpassungsmittel sowie eine mit einem solchen Gehäuse ausgerüstete Uhr
EP3985450A1 (de) * 2020-10-16 2022-04-20 The Swatch Group Research and Development Ltd Vorrichtung zum blockieren eines uhrwerks

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69938543T2 (de) 1999-06-29 2009-06-18 The Swatch Group Management Services Ag Chronographuhr aus Edelmetall mit einem ausgehöhlten Glasreif-Mittelteil
EP1182522A1 (de) * 2000-08-22 2002-02-27 Conseils et Manufactures VLG SA Befestigungsvorrichtung
JP2003344562A (ja) * 2002-05-30 2003-12-03 Seiko Instruments Inc 腕時計
JP4251175B2 (ja) * 2005-01-26 2009-04-08 セイコーエプソン株式会社 時計のムーブメント保持構造および時計
US8689446B2 (en) 2011-02-02 2014-04-08 Richemont International S.A. Method for producing a watch case middle of reduced weight
USD766740S1 (en) * 2015-02-18 2016-09-20 Longines Watch Co., Francillon Ltd. Watchcase
CH712210B1 (fr) * 2016-03-14 2020-02-14 Nivarox Sa Procédé de fabrication d'un composant d'affichage d'horlogerie.

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH79203A (fr) * 1918-10-03 1918-10-16 Boites La Centrale Fab De Boîte de montre
FR571054A (fr) * 1923-09-26 1924-05-12 Boîtier renforcé pour montre
CH131399A (fr) * 1928-03-07 1929-02-15 Safir Gabus Freres Usines Boîte de montre cassolette.
CH351545A (fr) * 1958-01-03 1961-01-15 Emir S A Procédé de fabrication d'une pièce de boîte de montre

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1350943A (en) * 1970-07-23 1974-04-24 Suwa Seikosha Kk Timepiece case
CH675517B5 (de) * 1989-01-13 1991-04-15 Ebauchesfabrik Eta Ag
CH675663B5 (de) * 1989-01-23 1991-04-30 Omega Sa

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH79203A (fr) * 1918-10-03 1918-10-16 Boites La Centrale Fab De Boîte de montre
FR571054A (fr) * 1923-09-26 1924-05-12 Boîtier renforcé pour montre
CH131399A (fr) * 1928-03-07 1929-02-15 Safir Gabus Freres Usines Boîte de montre cassolette.
CH351545A (fr) * 1958-01-03 1961-01-15 Emir S A Procédé de fabrication d'une pièce de boîte de montre

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0716360A1 (de) * 1995-08-30 1996-06-12 Fabrique D'ebauches De Sonceboz S.A Uhrengehäuse mit ausgehöhltem Gehäuseteil und Gehäuseanpassungsmittel sowie eine mit einem solchen Gehäuse ausgerüstete Uhr
EP0762240A1 (de) * 1995-08-30 1997-03-12 Fabrique D'ebauches De Sonceboz S.A. Uhrengehäuse mit ausgehöhltem Gehäuseteil und Gehäuseanpassungsmittel sowie eine mit einem solchen Gehäuse ausgerüstete Uhr
EP3985450A1 (de) * 2020-10-16 2022-04-20 The Swatch Group Research and Development Ltd Vorrichtung zum blockieren eines uhrwerks
US11960244B2 (en) 2020-10-16 2024-04-16 The Swatch Group Research And Development Ltd Device for locking a timepiece movement

Also Published As

Publication number Publication date
ES2101200T3 (es) 1997-07-01
DE69308759D1 (de) 1997-04-17
SG43172A1 (en) 1997-10-17
EP0600389B1 (de) 1997-03-12
HK1007810A1 (en) 1999-04-23
JPH06214052A (ja) 1994-08-05
JP3310076B2 (ja) 2002-07-29
CH684861GA3 (fr) 1995-01-31
US5363350A (en) 1994-11-08
DE69308759T2 (de) 1997-09-18
CH684861B5 (fr) 1995-07-31

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