CH648721GA3 - Watch case element including a glass and method of manufacturing this watch case element - Google Patents

Watch case element including a glass and method of manufacturing this watch case element Download PDF

Info

Publication number
CH648721GA3
CH648721GA3 CH406182A CH406182A CH648721GA3 CH 648721G A3 CH648721G A3 CH 648721GA3 CH 406182 A CH406182 A CH 406182A CH 406182 A CH406182 A CH 406182A CH 648721G A3 CH648721G A3 CH 648721GA3
Authority
CH
Switzerland
Prior art keywords
glass
watch case
case element
notch
crystal
Prior art date
Application number
CH406182A
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 CH406182A priority Critical patent/CH648721GA3/en
Publication of CH648721GA3 publication Critical patent/CH648721GA3/en

Links

Classifications

    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B39/00Watch crystals; Fastening or sealing of crystals; Clock glasses
    • G04B39/02Sealing crystals or glasses

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Joining Of Glass To Other Materials (AREA)

Abstract

The sapphire or tempered mineral glass (1) has a peripheral surface (3) which is parallel to its axis. It is force-fitted into the notch in the crystal of the calibre (2). This notch in the crystal is formed of a re-entrant bevelled face (8) and an annular shoulder (7). The glass (1) is held in place by a lump of glue (11) which is fitted between the edge (3) and the face (8) where it forms a wedge ensuring the retention of the glass. Use is made of a glue which adheres strongly to the glass, but hardly adheres to the metal of the calibre. To ensure waterproofing, an O-ring gasket (10) is interposed in the lower corner of the notch in the crystal and is squashed on the shoulder (7). <IMAGE>
CH406182A 1982-07-02 1982-07-02 Watch case element including a glass and method of manufacturing this watch case element CH648721GA3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CH406182A CH648721GA3 (en) 1982-07-02 1982-07-02 Watch case element including a glass and method of manufacturing this watch case element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH406182A CH648721GA3 (en) 1982-07-02 1982-07-02 Watch case element including a glass and method of manufacturing this watch case element

Publications (1)

Publication Number Publication Date
CH648721GA3 true CH648721GA3 (en) 1985-04-15

Family

ID=4269076

Family Applications (1)

Application Number Title Priority Date Filing Date
CH406182A CH648721GA3 (en) 1982-07-02 1982-07-02 Watch case element including a glass and method of manufacturing this watch case element

Country Status (1)

Country Link
CH (1) CH648721GA3 (en)

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