CH617310GA3 - Dustproof watch case - Google Patents

Dustproof watch case Download PDF

Info

Publication number
CH617310GA3
CH617310GA3 CH1093177A CH1093177A CH617310GA3 CH 617310G A3 CH617310G A3 CH 617310GA3 CH 1093177 A CH1093177 A CH 1093177A CH 1093177 A CH1093177 A CH 1093177A CH 617310G A3 CH617310G A3 CH 617310GA3
Authority
CH
Switzerland
Prior art keywords
dustproof
watch case
tube
chamfered
notches
Prior art date
Application number
CH1093177A
Other versions
CH617310B (en
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
Publication of CH617310B publication Critical patent/CH617310B/en
Application filed filed Critical
Priority to CH1093177A priority Critical patent/CH617310GA3/en
Priority to JP10479478A priority patent/JPS5448280A/en
Publication of CH617310GA3 publication Critical patent/CH617310GA3/en

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
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Casings For Electric Apparatus (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Air Bags (AREA)
  • Refuse Receptacles (AREA)

Abstract

The tube (5) through which passes the control rod (6) enters notches made in the middle (1) and in the rim (2a) of the back (2), which notches are chamfered at (9) and at (8), respectively. An O-ring seal (10) is housed in an annular space accommodated between the chamfered parts (8 and 9) and a shoulder (5a) of the tube (5), the face of which facing the seal (10) is frustoconical at (11). <IMAGE>
CH1093177A 1977-09-07 1977-09-07 Dustproof watch case CH617310GA3 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CH1093177A CH617310GA3 (en) 1977-09-07 1977-09-07 Dustproof watch case
JP10479478A JPS5448280A (en) 1977-09-07 1978-08-28 Dusttproof timepiece case

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1093177A CH617310GA3 (en) 1977-09-07 1977-09-07 Dustproof watch case

Publications (2)

Publication Number Publication Date
CH617310B CH617310B (en)
CH617310GA3 true CH617310GA3 (en) 1980-05-30

Family

ID=4368332

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1093177A CH617310GA3 (en) 1977-09-07 1977-09-07 Dustproof watch case

Country Status (2)

Country Link
JP (1) JPS5448280A (en)
CH (1) CH617310GA3 (en)

Also Published As

Publication number Publication date
CH617310B (en)
JPS5448280A (en) 1979-04-16

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Legal Events

Date Code Title Description
PL Patent ceased