CH660437GA3 - - Google Patents

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Publication number
CH660437GA3
CH660437GA3 CH574383A CH574383A CH660437GA3 CH 660437G A3 CH660437G A3 CH 660437GA3 CH 574383 A CH574383 A CH 574383A CH 574383 A CH574383 A CH 574383A CH 660437G A3 CH660437G A3 CH 660437GA3
Authority
CH
Switzerland
Prior art keywords
crown
watch
tube
over
colours
Prior art date
Application number
CH574383A
Other languages
French (fr)
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 filed Critical
Priority to CH574383A priority Critical patent/CH660437GA3/fr
Priority to EP84810514A priority patent/EP0149970A1/en
Priority to JP59225059A priority patent/JPS60115890A/en
Publication of CH660437GA3 publication Critical patent/CH660437GA3/fr

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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
    • G04B45/00—Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects
    • G04B45/0015—Light-, colour-, line- or spot-effects caused by or on stationary parts
    • 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
    • G04B37/10—Hermetic sealing of openings, joints, passages or slits of winding stems

Abstract

The sealed watch crown has an inner part designed in such a way as to ensure sealing in the region of the tube of the frame, and the outer part of the crown. The two parts are obtained by a complete covering with rubber or silicone material. This guarantees a perfect sealing of the watch with respect to dust and water in the region of the crown and frame tube since the seal is no longer effective only over a small portion of the length of the tube, but over all of it. The surface of the outer part of the rubber crown makes it possible to obtain, by adding colorants during the vulcanisation, crowns with the entire range of colours. This technique guarantees the stability of the colours over time, in contrast to the methods currently known such as paint, coloured oxides, etc which deteriorate after the watch has been used for a certain period of time. An outer metal covering is provided, attached to the silicone moulding. <IMAGE>
CH574383A 1983-10-24 1983-10-24 CH660437GA3 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CH574383A CH660437GA3 (en) 1983-10-24 1983-10-24
EP84810514A EP0149970A1 (en) 1983-10-24 1984-10-23 Waterproof watch crown
JP59225059A JPS60115890A (en) 1983-10-24 1984-10-24 Crown of waterproof type watch and manufacture thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH574383A CH660437GA3 (en) 1983-10-24 1983-10-24

Publications (1)

Publication Number Publication Date
CH660437GA3 true CH660437GA3 (en) 1987-04-30

Family

ID=4298617

Family Applications (1)

Application Number Title Priority Date Filing Date
CH574383A CH660437GA3 (en) 1983-10-24 1983-10-24

Country Status (3)

Country Link
EP (1) EP0149970A1 (en)
JP (1) JPS60115890A (en)
CH (1) CH660437GA3 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2655166B1 (en) * 1989-11-27 1992-02-28 Ebel Sa Fabrique WATERPROOFING DEVICE FOR A WATCHMAKING PIECE.
CH686473B5 (en) * 1993-03-18 1996-10-15 Boninchi Sa screw crown for a timepiece.
US6453512B1 (en) 1999-10-19 2002-09-24 Eta SA Fabriques d′Ebauches Control button
EP1094372B1 (en) * 1999-10-19 2004-08-11 ETA SA Manufacture Horlogère Suisse Control knob

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH321578A (en) * 1956-08-13 1957-05-15 Piquerez Sa Ervin Watch provided with a control member for the internal mechanism
CH473419A (en) * 1966-09-29 1969-07-15 Piquerez Sa Ervin Control unit for waterproof timepiece
FR2312819A1 (en) * 1975-05-30 1976-12-24 Jaeger IMPROVEMENTS TO MANEUVER BUTTONS

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3979549A (en) * 1972-09-25 1976-09-07 Rostone Corporation Composite of metal and thermoset plastic
DE3227042C2 (en) * 1982-07-20 1986-11-20 Hoechst Ag, 6230 Frankfurt Method for producing a corrosion-resistant protective layer on the inner surface of a metal container and on the sealing surface of the container flanges

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH321578A (en) * 1956-08-13 1957-05-15 Piquerez Sa Ervin Watch provided with a control member for the internal mechanism
CH473419A (en) * 1966-09-29 1969-07-15 Piquerez Sa Ervin Control unit for waterproof timepiece
FR2312819A1 (en) * 1975-05-30 1976-12-24 Jaeger IMPROVEMENTS TO MANEUVER BUTTONS

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JOURNAL SUISSE D'HORLOGERIE ET DE BIJOUTERIE, no. 1, 1982 *

Also Published As

Publication number Publication date
JPS60115890A (en) 1985-06-22
EP0149970A1 (en) 1985-07-31

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