EP0111449A3 - Method to manufacture an exterior part of a time piece, and part obtained by the same - Google Patents

Method to manufacture an exterior part of a time piece, and part obtained by the same Download PDF

Info

Publication number
EP0111449A3
EP0111449A3 EP83810564A EP83810564A EP0111449A3 EP 0111449 A3 EP0111449 A3 EP 0111449A3 EP 83810564 A EP83810564 A EP 83810564A EP 83810564 A EP83810564 A EP 83810564A EP 0111449 A3 EP0111449 A3 EP 0111449A3
Authority
EP
European Patent Office
Prior art keywords
glass
manufacture
coating
same
fastening element
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
EP83810564A
Other languages
French (fr)
Other versions
EP0111449A2 (en
EP0111449B1 (en
Inventor
Paul Gogniat
Eric Loth
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 Watch Co Ltd
Original Assignee
Rado Watch Co Ltd
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 Watch Co Ltd filed Critical Rado Watch Co Ltd
Publication of EP0111449A2 publication Critical patent/EP0111449A2/en
Publication of EP0111449A3 publication Critical patent/EP0111449A3/en
Application granted granted Critical
Publication of EP0111449B1 publication Critical patent/EP0111449B1/en
Expired legal-status Critical Current

Links

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
    • G04B39/02—Sealing crystals or glasses
    • G04B39/025—Sealing crystals or glasses without special sealing 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
    • G04B37/22—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
    • 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
    • G04B39/00—Watch crystals; Fastening or sealing of crystals; Clock glasses
    • G04B39/02—Sealing crystals or glasses
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49579—Watch or clock making
    • Y10T29/49584—Watch or clock making having case, cover, or back
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/5347—Crystal to watch or clock

Abstract

In the manufacture of a watch case part comprising a glass and a middle having an opening for the glass, the following operations are carried out: first, a metallic coating is deposited on a peripheral portion of the glass, then one or more elements are formed on the coating by moulding a molten material having an affinity for the metal forming the coating, whereupon the glass is secured to the middle through the intermediary of the fastening element. The fastening element may consist of a heel extending around the periphery of the glass or of fastening studs extending at right angles to the plane of the glass. In some cases the fastening element may also act as sealing element.
EP83810564A 1982-12-14 1983-12-05 Method to manufacture an exterior part of a time piece, and part obtained by the same Expired EP0111449B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH7262/82 1982-12-14
CH726282A CH650634GA3 (en) 1982-12-14 1982-12-14

Publications (3)

Publication Number Publication Date
EP0111449A2 EP0111449A2 (en) 1984-06-20
EP0111449A3 true EP0111449A3 (en) 1984-07-18
EP0111449B1 EP0111449B1 (en) 1986-10-29

Family

ID=4322380

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83810564A Expired EP0111449B1 (en) 1982-12-14 1983-12-05 Method to manufacture an exterior part of a time piece, and part obtained by the same

Country Status (7)

Country Link
US (1) US4589886A (en)
EP (1) EP0111449B1 (en)
JP (1) JPS59120880A (en)
KR (1) KR890000083B1 (en)
CH (1) CH650634GA3 (en)
DE (1) DE3367288D1 (en)
HK (1) HK34992A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH657246GA3 (en) * 1984-07-12 1986-08-29
CH678680GA3 (en) * 1990-02-20 1991-10-31 Watch glass mounting - has a deposited metal layer between decorative layer and solder to prevent visible effects of soldering
US5251846A (en) * 1990-07-23 1993-10-12 Vehicle Research Corporation Supersonic aircraft shock wave energy recovery system
US7861966B2 (en) * 2005-04-18 2011-01-04 Vehicle Research Corporation Supersonic aircraft footprint spreading control system and method
EP2261757A1 (en) 2009-06-10 2010-12-15 ETA SA Manufacture Horlogère Suisse Method and device for attaching a glass to a bezel
JP5824969B2 (en) * 2011-08-29 2015-12-02 セイコーエプソン株式会社 Cover glass and watch
EP2595008B1 (en) * 2011-11-17 2015-01-07 Montres Rado S.A. Case for a clock piece
JP6150407B1 (en) * 2016-03-08 2017-06-21 セイコーインスツル株式会社 Watch parts, dials, dial units, movements and watches

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH13597A (en) * 1896-11-27 1897-07-31 Richard Lagerie Emile Machine for stretching (combing, carding, stripping) textile materials
FR2034617A7 (en) * 1969-03-03 1970-12-11 Centrale Fabrique
EP0066538A1 (en) * 1981-05-22 1982-12-08 Montres Rado S.A. Watch case

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2468239A (en) * 1943-11-18 1949-04-26 Us Rubber Co Method of bonding rubber to metal
US2597935A (en) * 1946-04-22 1952-05-27 Corning Glass Works Cover glass assembly
US2854815A (en) * 1954-09-24 1958-10-07 Piquerez Ervin Double watch crystal with moisture absorbent and indicating packing
FR2051627A1 (en) * 1969-07-09 1971-04-09 Chapuis Laurent Wrist watch case construction
CH623711B (en) * 1978-12-15 Bbc Brown Boveri & Cie CLOCK.
JPS5696267A (en) * 1979-12-28 1981-08-04 Seiko Epson Corp Fixation of cover glass
US4497584A (en) * 1982-06-21 1985-02-05 Firma H. Finger Wrist watch case with vulcanized gasket

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH13597A (en) * 1896-11-27 1897-07-31 Richard Lagerie Emile Machine for stretching (combing, carding, stripping) textile materials
FR2034617A7 (en) * 1969-03-03 1970-12-11 Centrale Fabrique
EP0066538A1 (en) * 1981-05-22 1982-12-08 Montres Rado S.A. Watch case

Also Published As

Publication number Publication date
CH650634GA3 (en) 1985-08-15
HK34992A (en) 1992-05-22
JPS59120880A (en) 1984-07-12
EP0111449A2 (en) 1984-06-20
EP0111449B1 (en) 1986-10-29
JPH0253757B2 (en) 1990-11-19
KR840007474A (en) 1984-12-07
US4589886A (en) 1986-05-20
DE3367288D1 (en) 1986-12-04
KR890000083B1 (en) 1989-03-07

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