GB1374727A - Sealed evacuated and pressurized watch cases - Google Patents

Sealed evacuated and pressurized watch cases

Info

Publication number
GB1374727A
GB1374727A GB1201973A GB1201973A GB1374727A GB 1374727 A GB1374727 A GB 1374727A GB 1201973 A GB1201973 A GB 1201973A GB 1201973 A GB1201973 A GB 1201973A GB 1374727 A GB1374727 A GB 1374727A
Authority
GB
United Kingdom
Prior art keywords
piston
ring
compartment
cavity
recess
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.)
Expired
Application number
GB1201973A
Other languages
English (en)
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.)
Ervin Piquerez SA
Original Assignee
Ervin Piquerez SA
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 Ervin Piquerez SA filed Critical Ervin Piquerez SA
Publication of GB1374727A publication Critical patent/GB1374727A/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
    • G04B37/00—Cases
    • G04B37/02—Evacuated cases; Cases filled with gas or liquids; Cases containing substances for absorbing or binding moisture or dust

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
GB1201973A 1972-03-29 1973-03-13 Sealed evacuated and pressurized watch cases Expired GB1374727A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH464372A CH567296A (OSRAM) 1972-03-29 1972-03-29

Publications (1)

Publication Number Publication Date
GB1374727A true GB1374727A (en) 1974-11-20

Family

ID=4279952

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1201973A Expired GB1374727A (en) 1972-03-29 1973-03-13 Sealed evacuated and pressurized watch cases

Country Status (7)

Country Link
US (1) US3811401A (OSRAM)
JP (1) JPS5246697B2 (OSRAM)
CH (2) CH567296A (OSRAM)
DE (1) DE2313654C3 (OSRAM)
FR (1) FR2177729B1 (OSRAM)
GB (1) GB1374727A (OSRAM)
IT (1) IT979188B (OSRAM)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5516678U (OSRAM) * 1978-07-18 1980-02-01
GB2128378B (en) * 1982-08-24 1986-01-02 Citizen Watch Co Ltd Water-resisting structure for a watch
US5357847A (en) * 1991-04-17 1994-10-25 Hytork Actuators Limited Pressure vessels having end closures and retainers
CH691334A5 (fr) * 1997-08-28 2001-06-29 Asulab Sa Appareillage susceptible d'être immergé et comprenant un transducteur sonore.
WO2011016884A1 (en) * 2009-04-30 2011-02-10 Lawrence Livermore National Security, Llc Passive blast pressure sensor
US8322916B2 (en) * 2010-12-15 2012-12-04 Jeremy James Patt Thermal expansion compensator for liquid-filled watches
CH704673A2 (fr) * 2011-03-22 2012-09-28 Montres Breguet Sa Membrane amovible de rayonnement acoustique pour une montre musicale ou à sonnerie, et montre la comprenant.
TWI816423B (zh) * 2022-06-08 2023-09-21 和碩聯合科技股份有限公司 穿戴裝置及其製造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2656674A (en) * 1948-04-16 1953-10-27 Bondy Wilhelm Waterproof watchcase
US2959911A (en) * 1954-11-22 1960-11-15 Piquerez Ervin Fluidtight watch case
US3030763A (en) * 1959-06-23 1962-04-24 Hans U Klingenberg Waterproof watch casing
US3675722A (en) * 1971-04-05 1972-07-11 Gen Fire Extinguisher Corp Pressure indicator

Also Published As

Publication number Publication date
US3811401A (en) 1974-05-21
DE2313654B2 (de) 1974-09-05
DE2313654C3 (de) 1975-05-07
CH464372A4 (OSRAM) 1975-04-15
IT979188B (it) 1974-09-30
JPS4916468A (OSRAM) 1974-02-13
FR2177729B1 (OSRAM) 1976-04-09
JPS5246697B2 (OSRAM) 1977-11-26
CH567296A (OSRAM) 1975-09-30
DE2313654A1 (de) 1973-10-25
FR2177729A1 (OSRAM) 1973-11-09

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees