EP0113641A1 - Uhrengehäuse und Verfahren zu dessen Herstellung - Google Patents

Uhrengehäuse und Verfahren zu dessen Herstellung Download PDF

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Publication number
EP0113641A1
EP0113641A1 EP83810599A EP83810599A EP0113641A1 EP 0113641 A1 EP0113641 A1 EP 0113641A1 EP 83810599 A EP83810599 A EP 83810599A EP 83810599 A EP83810599 A EP 83810599A EP 0113641 A1 EP0113641 A1 EP 0113641A1
Authority
EP
European Patent Office
Prior art keywords
watch case
opening
case according
synthetic material
coating
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.)
Withdrawn
Application number
EP83810599A
Other languages
English (en)
French (fr)
Inventor
Claude Ray
Walter Schaeren
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 AG
Original Assignee
SMH Societe Suisse de Microelectronique et dHorlogerie 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 SMH Societe Suisse de Microelectronique et dHorlogerie SA filed Critical SMH Societe Suisse de Microelectronique et dHorlogerie SA
Publication of EP0113641A1 publication Critical patent/EP0113641A1/de
Withdrawn legal-status Critical Current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
    • G04B37/08—Hermetic sealing of openings, joints, passages or slits
    • G04B37/081—Complete encasings for wrist or pocket watches also comprising means for hermetic sealing of the winding stem and crown

Definitions

  • the present invention relates to a watch case comprising a middle part carrying an internal coating of synthetic material, and at least one piece removably mounted in an opening of the middle part by means of a pressure device, as well as a manufacturing method. of such a watch case.
  • Swiss patent 616,808, as well as Swiss patent application 632,890 G describe watch cases, the middle of which is coated internally with a synthetic material, for example by an overmolding process, and which are provided with a bezel or a removable bottom, which can be put in place under the effect of a simple pressure.
  • the advantage of these constructions is that it makes it possible to simultaneously seal the middle part at all of its openings, in particular also at the level of the passage of the control rod, and also to ensure the elastic suspension of the movement.
  • the sealing of the opening provided for the bezel or the back could only be achieved by the radial compression of the inner lining flush around the opening, or its deformation by a skirt.
  • the present invention proposes a watch case of the aforementioned type, in which however the snap-fastening of the bottom and of the bezel, or of another removable part is achieved by a metal-metal contact of a classic type, but in which the seal remains despite everything ensured by the synthetic coating provided inside the middle.
  • Another object of the invention is to propose a method of manufacturing such a watch case.
  • the watch case 1 has a middle part 2, for example provided with horns 3, and coated internally with a synthetic material 4.
  • a bezel 5, in which is chased an ice cream 6, is sealingly mounted in an upper opening of the middle part 2, by means of a peripheral skirt 7, having a projecting lip 8 which compresses and deforms the synthetic material 4 inside the middle part 3.
  • a base 9 is removably mounted in an opening provided in the lower part of the middle part 2, for example for replacing the battery of a movement 10, put in place by its upper opening and carrying a dial 11.
  • the watch case is sealed at its lower opening by means of a bead of synthetic material 12 formed around the periphery of the lower opening, and which is compressed axially due to the 'hooking of the surface 17 of a skirt 13 formed at the inner periphery of the bottom 9 with a hooking surface 14, inclined, formed in the side walls 16 of the lower opening.
  • passages 15 are provided in the middle part, and they allow the synthetic material to flow at the time of its installation inside the middle towards the periphery of the lower opening to thus form a sealing bead connected to the internal coating by portions of synthetic material passing through the passages 15.
  • the passages 15 may consist of vertical grooves made in the side walls of the lower opening, and separated by zones of uncoated walls 14, on which the attachment of the skirt will be exerted. bottom device.
  • the grooves 15 can be of substantially prismatic section, as shown, but also semi-circular or of any other shape. easy to machine.
  • the coating 4 extends radially inwards above the areas of uncoated walls 14, to form an elastic support 18 which laterally maintains the clockwork movement 10, and vertically its dial 11.
  • the dimensions of the skirt 13 are defined so as to leave only a small spacing, of 0.05 to 0.1 mm approximately, between the surfaces facing the skirt and the movement.
  • the internal coating 4 which forms a part with the cord 12 due to the presence of the passages 15, is put in place according to a known method, overmolding by example. Then, the attachment surface of the skirt 13, of conical shape, is formed by simultaneously machining the synthetic material contained in the grooves 15, and the uncoated areas 14.
  • An important advantage of this solution is that it makes it possible to form the coating. interior 4 when the side walls of the lower opening are still cylindrical, which allows passage through the opening of the box of the mold used for the formation of the coating
  • FIG 2 there is shown the box of Figure 1 in a section passing through the axis of the control rod 20 of the movement. To put the passage of the latter, the corresponding parts of the skirt 7 of the bezel 5, and of the skirt 13 of the bottom 9 are removed.
  • FIG. 3 represents a top view of a portion of the middle part, around the lower opening, and before the formation of the coating 4.
  • the dotted line 21 represents the outer surface of the coating zone forming the projection 18.
  • the grooves 15 could be replaced by holes, of sufficient dimensions, crossing the zone of the middle located behind the surface of snap 14, in which case it would be continuous.
  • the box represented in FIG. 4 differs from that of FIG. 2 by the fact that both the skirt 7 of the bezel 5 and the skirt 13 of the base 9 are supported on hooking surfaces 22, respectively 14 that the middle part has 2.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Telephone Function (AREA)
  • Adornments (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
  • Electric Clocks (AREA)
EP83810599A 1983-01-10 1983-12-16 Uhrengehäuse und Verfahren zu dessen Herstellung Withdrawn EP0113641A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH110/83 1983-01-10
CH11083A CH650896GA3 (de) 1983-01-10 1983-01-10

Publications (1)

Publication Number Publication Date
EP0113641A1 true EP0113641A1 (de) 1984-07-18

Family

ID=4179493

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83810599A Withdrawn EP0113641A1 (de) 1983-01-10 1983-12-16 Uhrengehäuse und Verfahren zu dessen Herstellung

Country Status (4)

Country Link
US (1) US4545688A (de)
EP (1) EP0113641A1 (de)
JP (1) JPS59136673A (de)
CH (1) CH650896GA3 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0430113A1 (de) * 1989-11-30 1991-06-05 Tissot S.A. Uhrengehäuse für automatisierte Zusammenstellung

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4817064A (en) * 1985-02-05 1989-03-28 Milles Victor A Structure for fabricating jewelry parts or wrist watches
CH681760B5 (fr) * 1991-10-04 1993-11-30 Werthanor Sa Garniture d'étanchéité.
CH685526B5 (fr) * 1993-12-23 1996-02-15 Smh Management Services Ag Boîte de montre.
EP1182522A1 (de) * 2000-08-22 2002-02-27 Conseils et Manufactures VLG SA Befestigungsvorrichtung
EP1906268A1 (de) * 2006-09-27 2008-04-02 Omega SA Uhrengehäuse mit Multikomponenten-Mittelteil
US8038109B2 (en) * 2008-08-08 2011-10-18 Dale Frederick Ashford Amplifier mounted guitar stand

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH632890B (fr) * 1979-08-08 Gen Watch Co Ltd Procede de fabrication d'une boite de montre et boite de montre obtenue par ce procede.
FR2017168A1 (de) * 1968-08-19 1970-05-22 Bley Roland

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA447373A (en) * 1948-03-23 Steimann Hans Watertight watchcase
CH72292A (fr) * 1915-11-28 1916-05-01 J Breguet Breting Fils De Boîte de montre
GB721920A (en) * 1952-07-17 1955-01-12 Charles Jules Juillerat Waterproof shock-absorbing watch case
CH376436A (fr) * 1962-04-19 1964-05-15 Lapidor Sa Pièce d'horlogerie
CH472719A (fr) * 1966-10-14 1969-06-30 Steimann Jean Boîte de montre étanche
CH626494GA3 (en) * 1977-08-23 1981-11-30 Waterproof watch case
CH618312GA3 (en) * 1978-02-14 1980-07-31 Waterproof watch case

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2017168A1 (de) * 1968-08-19 1970-05-22 Bley Roland
CH632890B (fr) * 1979-08-08 Gen Watch Co Ltd Procede de fabrication d'une boite de montre et boite de montre obtenue par ce procede.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0430113A1 (de) * 1989-11-30 1991-06-05 Tissot S.A. Uhrengehäuse für automatisierte Zusammenstellung
CH677576GA3 (de) * 1989-11-30 1991-06-14

Also Published As

Publication number Publication date
CH650896GA3 (de) 1985-08-30
JPS59136673A (ja) 1984-08-06
US4545688A (en) 1985-10-08

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): AT DE FR GB

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: ASUAG-SSIH SOCIETE SUISSE POUR L'INDUSTRIE HORLOGE

17P Request for examination filed

Effective date: 19850110

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: SMH SOCIETE SUISSE DE MICROELECTRONIQUE ET D'HORLO

17Q First examination report despatched

Effective date: 19860421

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19870703

RIN1 Information on inventor provided before grant (corrected)

Inventor name: SCHAEREN, WALTER

Inventor name: RAY, CLAUDE