EP0067119A1 - Boîte de montre - Google Patents

Boîte de montre Download PDF

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Publication number
EP0067119A1
EP0067119A1 EP82810206A EP82810206A EP0067119A1 EP 0067119 A1 EP0067119 A1 EP 0067119A1 EP 82810206 A EP82810206 A EP 82810206A EP 82810206 A EP82810206 A EP 82810206A EP 0067119 A1 EP0067119 A1 EP 0067119A1
Authority
EP
European Patent Office
Prior art keywords
crystal
watch case
notch
glass
side walls
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Withdrawn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
EP82810206A
Other languages
German (de)
English (en)
French (fr)
Inventor
Paul Gogniat
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 EP0067119A1 publication Critical patent/EP0067119A1/fr
Withdrawn legal-status Critical Current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
    • G04B39/00—Watch crystals; Fastening or sealing of crystals; Clock glasses

Definitions

  • the present invention relates to the mounting of a flat crystal of hard material, of the sapphire type for example, to the upper part of the middle part of a watch case.
  • the invention provides a watch case provided with a flat lens made of hard material, the means for mounting the lens on the middle part, or possibly on a bezel, do not have the above-mentioned disadvantages, but allow a setting in place and extraction of the glass easy, not risking to move or injure the seal, while offering new possibilities in terms of shapes and aesthetics of the box.
  • This object is achieved by providing for engaging the pressure glass between the elastically deformable side walls of a notch formed in the middle part, the facing surfaces of these side walls and of the edge of the glass being inclined relative to the axis. of the box.
  • the notched mounting of a glass on a middle part is known per se, but not in its application to a flat glass of hard material.
  • the Swiss patent application 17 027/66 or the French patents 1 398 410 or 2 395 536 describe watch cases whose glass is provided with an annular skirt or edges which are elastically deformable so as to come to lock against corresponding surfaces provided on the edges of the opening of the middle part.
  • the structures described allow attach a flat, rigid lens not fitted with an annular skirt to the middle.
  • One of the essential aspects of the invention is therefore to have recognized that the intrinsic elasticity of the material in which the middle part is formed could compensate for the rigidity of the crystal and guarantee a retention such that it then becomes possible not to make the notch on only a portion of the periphery of the glass without compromising the tightness of the assembly.
  • the restoring force exerted by the side walls of the notch on the edge of the glass combined with the rigidity of the glass in fact ensures perfect plating of the underside of the glass on a gasket. sealing around its entire periphery, even if it is only retained locally in the notch.
  • the watch case 1 notably includes a middle part 2 to the upper part of which the crystal 3 is fixed.
  • the crystal 3 is flat and made of hard material, such as sapphire for example, while the middle 2 is a common metal of the type of steel or brass, for example.
  • the glass 3 is mounted under pressure between the side walls 4 of a notch 5, these walls being slightly elastically deformable due to the small thickness of these walls.
  • the facing surfaces 6 of the side walls 4 and 7 of the edge of the glass 3 are inclined relative to the axis of the box 1 at an angle A of approximately between 4 and 10 degrees, and preferably between 5 and 8, 5 degrees.
  • the periphery of the lower face 8 of the crystal 3 compresses a seal 9 disposed on a corresponding shoulder 10, formed in the middle part 2, and held in place by a flange 11.
  • the seal 9 and the flange 11 can be masked by a thin layer of metallization deposited on the facing portions of the lower face 8 of the glass 3.
  • the disassembly of the glass is easily obtained by exerting on its lower face 8 a thrust directed towards the outside of the box.
  • FIG. 2 there is shown a watch case according to the invention, in which the crystal 3 is only held in the notch of the middle part 2 on two of its rectilinear sides (13, 14), the other two sides ( 15, 15) extending to the edge of the middle part.
  • Figure 3 shows a watch case in which the crystal is retained along 4 rectilinear portions (17, 18, 19, 20) of the middle part, separated by portions in which it extends. to the edge of the middle, while Figure 4 shows a watch case in which the facing surfaces of the side walls of the notch, and the edge of the ice, have a curvilinear profile.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Air Bags (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Packages (AREA)
EP82810206A 1981-06-01 1982-05-17 Boîte de montre Withdrawn EP0067119A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH355681A CH643103B (fr) 1981-06-01 1981-06-01 Boite de montre.
CH3556/81 1981-06-01

Publications (1)

Publication Number Publication Date
EP0067119A1 true EP0067119A1 (fr) 1982-12-15

Family

ID=4258533

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82810206A Withdrawn EP0067119A1 (fr) 1981-06-01 1982-05-17 Boîte de montre

Country Status (4)

Country Link
US (1) US4473305A (ja)
EP (1) EP0067119A1 (ja)
JP (1) JPS57211576A (ja)
CH (1) CH643103B (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10264692B2 (en) * 2014-05-12 2019-04-16 Jesus Garza Leal Protective casing for an electrical energy reader including a glass lens

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH76449A (de) * 1917-06-18 1917-12-17 Leon Depollier Charles Uhrglasreif
GB598918A (en) * 1942-12-28 1948-03-01 Steimann Hans Watertight watchcase

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH75169A (de) * 1917-03-17 1917-06-16 Huettenwerk Niederschoeneweide Verfahren zur Behandlung von Schmelzgut, Legierungen und dergleichen und ein Flammofen zu seiner Ausübung
US2029769A (en) * 1934-12-04 1936-02-04 Goldblatt Joseph Mounting for the crystal of a wrist watch casing
CH353686A (fr) * 1959-04-01 1961-04-15 Vaurillon Emile Antoine Boîte, notamment pour montre, contenant un accumulateur d'électricité
CH439124A (fr) * 1964-05-01 1967-02-15 Ulrich Klingenberg Hans Dispositif de fixation à cran d'un premier élément, massif et indéformable, d'une boîte de montre à un autre élément de ladite boîte
CH583439B5 (ja) * 1973-11-09 1976-12-31 Century Time Ltd
JPS5732468Y2 (ja) * 1978-04-28 1982-07-16

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH76449A (de) * 1917-06-18 1917-12-17 Leon Depollier Charles Uhrglasreif
GB598918A (en) * 1942-12-28 1948-03-01 Steimann Hans Watertight watchcase

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DIE UHR, vol. 19, no. 1, 9 janvier 1965, page 23, (DE); *

Also Published As

Publication number Publication date
US4473305A (en) 1984-09-25
JPS57211576A (en) 1982-12-25
CH643103GA3 (ja) 1984-05-30
CH643103B (fr)

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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): CH DE FR GB IT LI

17P Request for examination filed

Effective date: 19830228

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: 19850129

RIN1 Information on inventor provided before grant (corrected)

Inventor name: GOGNIAT, PAUL