EP0597357A1 - Uhr mit einem mit einer Dichtung abgeschlossenen Batteriedeckel - Google Patents
Uhr mit einem mit einer Dichtung abgeschlossenen Batteriedeckel Download PDFInfo
- Publication number
- EP0597357A1 EP0597357A1 EP93117741A EP93117741A EP0597357A1 EP 0597357 A1 EP0597357 A1 EP 0597357A1 EP 93117741 A EP93117741 A EP 93117741A EP 93117741 A EP93117741 A EP 93117741A EP 0597357 A1 EP0597357 A1 EP 0597357A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- seal
- housing
- box
- lip
- cover
- 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
Links
- 239000007787 solid Substances 0.000 claims abstract description 3
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 abstract description 3
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 229920006324 polyoxymethylene Polymers 0.000 description 2
- 229930040373 Paraformaldehyde Natural products 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- ACKALUBLCWJVNB-UHFFFAOYSA-N ethylidene diacetate Chemical compound CC(=O)OC(C)OC(C)=O ACKALUBLCWJVNB-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- -1 polyoxymethylene Polymers 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 210000002105 tongue Anatomy 0.000 description 1
- 239000004636 vulcanized rubber Substances 0.000 description 1
Images
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
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C10/00—Arrangements of electric power supplies in time pieces
-
- 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
- G04B37/11—Hermetic sealing of openings, joints, passages or slits of the back cover of pocket or wrist watches
Definitions
- the present invention relates to a timepiece comprising a battery door which is closed by a seal which can be put in place reliably and easily, and which can withstand very high pressures.
- Classic timepieces include a battery door generally closed by a cover which is locked on the box by a bayonet mechanism and which is associated with a seal interposed between the cover and the box.
- This seal is in this type of conventional arrangement constituted by an O-ring generally referenced under the name "o-ring”, which is not satisfactory for mounting reasons.
- the present invention aims to remedy this drawback by providing a timepiece whose battery door and the associated cover are provided with a seal whose implementation can be ensured easily, so reliable and repetitive, while being able to ensure a perfect seal under high pressure conditions.
- said cover comprises an intermediate plug which is freely housed in this cover and which is in direct contact with a peripheral lip of the seal.
- the box according to the invention has a frustoconical bearing which widens towards an entrance to said housing, the lip of the seal which rests on this bearing being kept trapped by a second frustoconical bearing formed at the periphery of the plug.
- the lip extends beyond the frustoconical bearing surfaces which hold it and projects outwards, in the vicinity of a peripheral edge of the cover.
- the timepiece according to the invention which is represented here by the general reference 1, comprises a box 2 made of an organic material, such as a thermoplastic material, for example acrylonitrile butadiene styrene referenced under the abbreviation ABS.
- a thermoplastic material for example acrylonitrile butadiene styrene referenced under the abbreviation ABS.
- a battery door 4 which is constituted by a stepped housing 6 formed inside the box 2 for receiving a source of electrical energy P, formed by a button cell of a classic type.
- electrical contact elements are generally arranged inside the battery flap 4 to ensure electrical contact between the positive and negative terminals of the battery and the electrical and electronic components of the timepiece according to the invention.
- the stepped housing 6 of the battery flap 4 comprises three characteristic parts, a bottom part 8 which receives the battery P as well as the associated electrical contact elements, not shown, an intermediate part 10 more particularly receiving a seal that will be described below, and an inlet part 12 receiving a cover 14 for closing the hatch 4.
- the timepiece according to the invention comprises a seal 16 which is advantageously formed by a solid lip seal extending, as can be clearly seen in the appended figure, over the entire front surface SF of the P stack.
- This lip seal 16 which has no discontinuity from its outermost peripheral edge towards the center, is made of an elastomeric material, such as nitrile or vulcanized rubber.
- the battery cover 14 includes an intermediate plug 18 similarly made of an organic material, such as a thermoplastic, for example polyoxymethylene, referenced under the abbreviation POM and sold under the trademark “Del- rin ".
- an organic material such as a thermoplastic, for example polyoxymethylene, referenced under the abbreviation POM and sold under the trademark “Del- rin ".
- the plug 18 is separate from the cover 14 and attached therein.
- This intermediate plug 18 is freely housed in the cover 14 with a radial clearance and it is in direct contact with a peripheral lip 20 formed on the seal 16.
- the battery cover 14 which is produced by a thin stamped metal sheet has in its central part an actuating notch 22 into which can be inserted a tool, such as a coin, to ensure the rotation of the cover 14 and thus its opening and closing. It will be noted here that the cover 14 turns alone, independently of the plug 18 which remains fixed in contact on the seal 16.
- the timepiece comprises locking means 24 constituted by a bayonet system of a conventional design.
- This system consists of several radial tongues 26 (only one being shown here) extending radially from the peripheral edge 28 of the cover 14, towards the outside, and engaging in a circular groove 30 which is formed in the box 2 and which opens radially into the inlet part 12 of the housing 6.
- the inlet part 12 of the housing 6 which is the stepped part of this housing having the largest diameter, essentially receives the cover 14 and its plug 18, as well as the locking means 24 described above. .
- the lip 20 of the seal 16 rests on a frustoconical surface 32 formed in the box 2, between the inlet part 12 of the housing 6 and the intermediate part 10 thereof.
- the frustoconical bearing 32 flares towards the entrance to the housing 6 at an angle of about 45 ° .
- the lip 20 is therefore trapped between this first frustoconical bearing 32 and a second frustoconical bearing 34 substantially of the same inclination as the first, formed in turn on the plug 18, at the periphery thereof.
- the lip 20 extends beyond the two frustoconical bearing surfaces 32 and 34 respectively which hold it and that it projects outwards, in the inlet part 12 of the housing 6, in the vicinity of the peripheral edge 28 of the cover 14.
- the projecting part of the lip 20, forming the most extreme external part of the seal 16 has two faces at 90 ° , respectively 36 and 38 reinforcing the sealing function of the lip when subjected to high pressures. It can therefore be seen that when the part is immersed in a liquid, the latter can come into the inlet part 12 of the housing 6 to come into contact with the faces 38 and 36 of the peripheral outer edge of the lip 20.
- the seal 16 also comprises a circular bulge 40 having the shape of a rib which extends axially towards the stack P and which is intended to come to rest in axial support on a bottom of the latter.
- the plug 18 has for this purpose an inner corner 42 formed in the vicinity of the frustoconical surface 34 and compressing the seal 16 in line with the bulge 40 to ensure the axial support of the battery P, on its electrical contacts, not shown.
- the lip seal 16 of the timepiece provides the axial support of the stack P towards the bottom of the housing 6, and in particular towards its bottom part 8.
- the seal 16 further comprises a central bellows 44 which extends entirely under the stack 6, inside the circular bulge 40, this bellows having two characteristic convex regions, one central and the other external coaxial with the first .
- the seal 16 is held radially in the box 2 and more particularly in the intermediate part 10 of the housing 6, by means of an intermediate cylindrical surface 48 formed at the entrance to the housing part 8 receiving the battery. .
- a corresponding cylindrical bearing surface 50 is provided at the periphery of the seal 16 adjacent and contiguous to the lip 20, this bearing surface 50 being housed inside the cylindrical bearing surface 48 of the housing 6 to ensure the adjustment and the radial positioning of the seal 16, in box 2.
- cylindrical surface 48 formed in the box 2 has a re-entrant edge 52 in which a corresponding frustoconical edge 54 formed on the lip seal 16, opposite the lip 20 engages.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromechanical Clocks (AREA)
- Electric Clocks (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Battery Mounting, Suspending (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH3486/92A CH684729B5 (fr) | 1992-11-11 | 1992-11-11 | Pièce d'horlogerie comportant une trappe de pile fermée par un joint d'étanchéité. |
CH3486/92 | 1992-11-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0597357A1 true EP0597357A1 (de) | 1994-05-18 |
EP0597357B1 EP0597357B1 (de) | 1997-03-19 |
Family
ID=4257035
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP93117741A Expired - Lifetime EP0597357B1 (de) | 1992-11-11 | 1993-11-02 | Uhr mit einem mit einer Dichtung abgeschlossenen Batteriedeckel |
Country Status (14)
Country | Link |
---|---|
US (1) | US5396473A (de) |
EP (1) | EP0597357B1 (de) |
JP (1) | JP3404091B2 (de) |
KR (1) | KR100313434B1 (de) |
CN (1) | CN1040700C (de) |
AT (1) | ATE150556T1 (de) |
AU (1) | AU663279B2 (de) |
CA (1) | CA2109388C (de) |
CH (1) | CH684729B5 (de) |
DE (1) | DE69308987T2 (de) |
ES (1) | ES2101194T3 (de) |
HK (1) | HK1007609A1 (de) |
SG (1) | SG86287A1 (de) |
TW (1) | TW257840B (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6636458B1 (en) * | 2000-03-29 | 2003-10-21 | Lux Products Corporation | Waterproof timer |
US8420388B2 (en) | 2008-06-30 | 2013-04-16 | Cho-A Pharm. Co., Ltd. | Gene of porcine beta casein, a promoter of the same and the use thereof |
EP2466394A1 (de) * | 2010-12-17 | 2012-06-20 | The Swatch Group Research and Development Ltd. | Kapsel für wissenschaftliches Instrument |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR999677A (fr) * | 1949-11-17 | 1952-02-04 | Perfectionnement aux boîtiers de montre | |
CH531202A (fr) * | 1970-07-14 | 1972-04-14 | Boites De Montres F Kuhn S A F | Montre-bracelet à éclairage du cadran |
GB2100891A (en) * | 1981-06-24 | 1983-01-06 | Ebauchesfabrik Eta Ag | Method and means for fitting a cell in a watch case in a fluid tight manner |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH632895B (fr) * | 1980-03-31 | Ebauchesfabrik Eta Ag | Dispositif de fixation et de prise de contact electrique d'une pile dans une montre. | |
CH660109GA3 (de) * | 1985-06-25 | 1987-03-31 | ||
CH676772B5 (de) * | 1989-05-29 | 1991-09-13 | Ebauchesfabrik Eta Ag |
-
1992
- 1992-11-11 CH CH3486/92A patent/CH684729B5/fr not_active IP Right Cessation
-
1993
- 1993-10-06 TW TW082108264A patent/TW257840B/zh active
- 1993-10-27 CA CA002109388A patent/CA2109388C/en not_active Expired - Fee Related
- 1993-10-28 US US08/142,003 patent/US5396473A/en not_active Expired - Lifetime
- 1993-11-02 DE DE69308987T patent/DE69308987T2/de not_active Expired - Lifetime
- 1993-11-02 EP EP93117741A patent/EP0597357B1/de not_active Expired - Lifetime
- 1993-11-02 AT AT93117741T patent/ATE150556T1/de not_active IP Right Cessation
- 1993-11-02 SG SG9601305A patent/SG86287A1/en unknown
- 1993-11-02 ES ES93117741T patent/ES2101194T3/es not_active Expired - Lifetime
- 1993-11-03 KR KR1019930023169A patent/KR100313434B1/ko not_active IP Right Cessation
- 1993-11-09 AU AU50552/93A patent/AU663279B2/en not_active Ceased
- 1993-11-10 CN CN93114349A patent/CN1040700C/zh not_active Expired - Lifetime
- 1993-11-11 JP JP28247093A patent/JP3404091B2/ja not_active Expired - Lifetime
-
1998
- 1998-06-25 HK HK98106734A patent/HK1007609A1/xx not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR999677A (fr) * | 1949-11-17 | 1952-02-04 | Perfectionnement aux boîtiers de montre | |
CH531202A (fr) * | 1970-07-14 | 1972-04-14 | Boites De Montres F Kuhn S A F | Montre-bracelet à éclairage du cadran |
GB2100891A (en) * | 1981-06-24 | 1983-01-06 | Ebauchesfabrik Eta Ag | Method and means for fitting a cell in a watch case in a fluid tight manner |
Also Published As
Publication number | Publication date |
---|---|
JP3404091B2 (ja) | 2003-05-06 |
JPH06207990A (ja) | 1994-07-26 |
TW257840B (de) | 1995-09-21 |
KR100313434B1 (ko) | 2002-04-06 |
AU5055293A (en) | 1994-05-26 |
US5396473A (en) | 1995-03-07 |
DE69308987T2 (de) | 1997-10-02 |
DE69308987D1 (de) | 1997-04-24 |
CH684729GA3 (fr) | 1994-12-15 |
CA2109388C (en) | 2004-07-20 |
CH684729B5 (fr) | 1995-06-15 |
ATE150556T1 (de) | 1997-04-15 |
KR940012082A (ko) | 1994-06-22 |
CN1040700C (zh) | 1998-11-11 |
CN1090401A (zh) | 1994-08-03 |
ES2101194T3 (es) | 1997-07-01 |
CA2109388A1 (en) | 1994-05-12 |
AU663279B2 (en) | 1995-09-28 |
EP0597357B1 (de) | 1997-03-19 |
HK1007609A1 (en) | 1999-04-16 |
SG86287A1 (en) | 2002-02-19 |
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