EP0348856A1 - Elektronische Uhr mit einer Batterieöffnung und einer Luke zum Abschliessen dieser Öffnung und Herstellungsverfahren einer solchen Uhr - Google Patents

Elektronische Uhr mit einer Batterieöffnung und einer Luke zum Abschliessen dieser Öffnung und Herstellungsverfahren einer solchen Uhr Download PDF

Info

Publication number
EP0348856A1
EP0348856A1 EP89111555A EP89111555A EP0348856A1 EP 0348856 A1 EP0348856 A1 EP 0348856A1 EP 89111555 A EP89111555 A EP 89111555A EP 89111555 A EP89111555 A EP 89111555A EP 0348856 A1 EP0348856 A1 EP 0348856A1
Authority
EP
European Patent Office
Prior art keywords
hatch
opening
watch
frame
lining
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
EP89111555A
Other languages
English (en)
French (fr)
Other versions
EP0348856B1 (de
Inventor
Perrot Friedrich
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.)
ETA SA Manufacture Horlogere Suisse
Ebauchesfabrik ETA AG
Original Assignee
Ebauchesfabrik ETA AG
Eta SA Fabriques dEbauches
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 Ebauchesfabrik ETA AG, Eta SA Fabriques dEbauches filed Critical Ebauchesfabrik ETA AG
Priority to AT89111555T priority Critical patent/ATE72707T1/de
Publication of EP0348856A1 publication Critical patent/EP0348856A1/de
Application granted granted Critical
Publication of EP0348856B1 publication Critical patent/EP0348856B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C10/00—Arrangements of electric power supplies in time pieces
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/008—Mounting, assembling of components

Definitions

  • the invention firstly relates to an electronic watch which includes internal members which delimit a housing for a battery, at least one external member which has an opening for introducing the battery into its housing and a removable closing hatch.
  • said opening and comprising an internal portion engaged therein and an outer portion, and which is mainly characterized by the fact that the hatch comprises a rigid frame embedded at least partially by overmolding in a flexible and elastic material, said frame being located at least partly in the outer portion of the hatch and pressing at least indirectly and locally against the external member of the watch, around said opening; that this external member of the watch and the trim of the hatch have respective annular surfaces in contact with one another; and that said cover of the hatch is made so that its annular surface is pressed against that of the external member of the watch to seal the closure of said opening.
  • the invention also relates to a method of manufacturing such a watch, characterized in that the hatch is formed in a series of successive operations comprising operations for forming the frame and at least one operation for overmolding the lining on the frame, and in that an automatic operation of placing the hatch in the opening of the watch is associated with the manufacture of the hatch.
  • a thin metal strip 1 for example made of stainless steel, is first of all guided and moved in the direction of the arrow 2, step by step, so as to pass through a progression tool, at multiple workstations.
  • These stations are designated in Figure 1a, by I, II, III. Although three stations are represented in the example described here, one could also provide intermediate stations during certain operations or additional stations allowing other operations than those which will be described.
  • Step I consists in cutting openings 3 and 4 for positioning and driving the strip 1.
  • stage II a series of circular openings 5, intended for anchoring the lining, are cut in the central part of the strip, one of these openings being surrounded by a certain number of others .
  • Step III then comprises cutting into the strip 1 four openings 6 in the form of arcuate slots, centered on the central opening 5.
  • the internal edge of these slots 6 delimits the periphery of the hatch frame.
  • This frame, designated by 7, is therefore no longer connected to the strip 1 by only four tabs 8 which will be cut during the operation of placing the finished hatch, as will be seen below.
  • the strip 1 is wound and transferred to an injection molding tool where the operation IV takes place schematically indicated in FIG. 1b.
  • Two parts of a mold are then applied on either side of the strip 1, coaxially with the preformed reinforcement 7 and a mass 9 of a thermoplastic material having properties which will be analyzed below is injected into the mold so as to form a hatch lining anchored by overmolding in the openings 5, on the frame 7.
  • the general shape of the lining 9 is cylindrical.
  • the tools in which operation IV takes place will also be automatic. If necessary, it could comprise a mold with several chambers or several molds operating at the same time on several of the perforated zones of the strip 1, as prepared in the preceding steps.
  • the last operation for manufacturing the hatches takes place in a terminal station V, after molding.
  • the strip 1 is subjected to the action of a punch (not shown) which cuts the tabs 8 so as to separate the reinforcements from the strip 1.
  • each completed hatch is then gripped, by suction or pinching, by a transport arm (also not shown) and brought into a well-defined position above a guide and transport path 11, for example a slide, in which progress poses 12 on each of which is placed a finished watch 13 which can be seen in Figure 1c the box body 14 shaped in the backband with a circular opening 15 giving access to a battery housing formed in the internal organs of the watch.
  • the electronic watch 13 can be of any type.
  • the finished hatch 10 is then located precisely above the opening 15 of a watch 13 which has also been run in said station with the bottom facing upwards. It is supported by the conveyor arm which is arranged so as to engage the lower part of the lining 9 in the opening 15.
  • the protruding rim 7a of the frame 7 comes to bear against the external face of the backband 14 so that the battery previously placed in its housing is sealed. During the exchange of the battery, it will suffice, to extract the latter, to engage a blade under the apparent edge of the frame 7 to release the hatch 10. The latter can be replaced later very simply since the hatch itself seals the closure of the opening 15.
  • FIG. 1C it can also be seen that the fittings 12 carrying the watches 13 equipped with the hatches 10 are discharged in the direction of the arrow 16.
  • FIGS. 2 to 8 represent watches equipped with different embodiments of hatches obtained and installed in an automated tooling of the kind of that of FIG. 1.
  • the outer edge 15b of the opening 15 is slightly bevelled or rounded on the one hand to facilitate the engagement of the hatch and on the other hand and above all to prevent the trim under frame 7 at the time of this engagement.
  • Figures 4 and 6 show a hatch 17 provided with a frame 18 of a shape different from that of the frame 7. Instead of the openings 5 of circular shape distributed around the center of the frame, Figure 6 shows that the openings 19 here have the form of crown sectors delimiting between them radial arms 20 of rectangular shape.
  • the frame 18 as shown in Figures 4 and 6 comprises an outer ring 18a and an inner ring 18b to which all the arms 20 are connected. In addition, these arms are stamped in a stirrup shape so as to be located mainly in the inner or inner part of the lining to stiffen it.
  • the frame 22 and the lining have the same planar shapes as in FIG. 6.
  • part of the radial arms 23 has undergone a folding operation while the other arms were cut at the edge outer of the inner ring 22b.
  • the inner crown 22b is offset in height at a level lower than that of the outer crown 22a.
  • the arms 23 which have been severed from the inner ring 22b extend horizontally in the mass of the lining.
  • the profile of the turn the opening of the box body 14 is frustoconical over the entire thickness of this body, while in the embodiment of Figure 5 this profile has a first outer cylindrical part adjusted with a suitable clamping at the periphery of the lining and a second lower and frustoconical part.
  • the taper of the opening 15 obviously narrows when passing from the inside to the outside of the body and the angles of the truncated cones can have values of the order of 5 to 45 °, for example.
  • the interior part of the cover of the hatch, which engages in the opening of the box body 14 is adjusted in diameter with a slight tightening relative to the diameter of the part the narrower the opening. This tightening simultaneously ensures the fixing of the hatch and its sealing.
  • thermoplastic elastomer produced under the name of "Hytrel” by Du Pont de Nemours, and more particularly the products of this type designated by the numbers 5526 and 4056 gave excellent results.
  • the same company also produces an "Alcryn" thermoplastic rubber which can be injected like a thermoplastic and which is also suitable for the application described above.
  • the described hatch can also be provided with a bayonet closure. This is shown in Figures 7 and 8.
  • the hatch 24 ( Figure 7) consists of a frame 25 on which is anchored, by overmolding a lining 26 of a plastic material of the kind mentioned above or having other characteristics.
  • radial arms 27 and 28 with a free internal end are cut from the strip 1 and then folded and stamped according to two different models. The arms 27 are folded downwards, then upwards and inwards, so as to extend in a V shape from the outer ring 25a of the frame 25.
  • Two, or if necessary three arms 28, are folded down at a right angle and then folded outwards in a plane parallel to the general plane of the frame 25, so as to form claws which engage in notches 29 suitably profiled and positioned along the periphery of the opening 30 of the box body 31.
  • a diametrical groove 32 is formed in the upper face of the lining to allow driving in rotation during installation. This movement can also be mechanized and controlled automatically. If necessary, the shape of the frame could be provided so as to reinforce the groove 32.
  • the frame and then the finished hatch remain integral with the starting strip until the hatch is placed on the watch, with the benefits that flow from it.
  • this feature is not a necessary feature of the invention.
  • the frame can also be completely embedded in the trim. In this case it will be, at a certain stage of the production, separated from the strip and introduced into the injection mold. The mounting of the hatch must then include an operation consisting in gripping the finished hatch in the mold by means of a manipulator to bring it into the final position of engagement in the opening of the box body.
  • the frame may in this case be made of a metal different from stainless steel, for example brass. In general, the frame could moreover be made of a non-metallic material, for example a rigid plastic material.
  • the frame of the hatch has a peripheral zone, like the flange 7a of the hatch in FIGS. 2 and 3, which emerges from the lining and which bears directly on the box body , around the opening thereof, and the sealing of the closure of this opening is ensured by the radial pressure of at least part of the peripheral surface of the internal part of the lining against at least part of the opening round.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)
  • Gasket Seals (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
  • Casings For Electric Apparatus (AREA)
  • Primary Cells (AREA)
  • Sealing Battery Cases Or Jackets (AREA)
EP89111555A 1988-06-30 1989-06-24 Elektronische Uhr mit einer Batterieöffnung und einer Luke zum Abschliessen dieser Öffnung und Herstellungsverfahren einer solchen Uhr Expired - Lifetime EP0348856B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89111555T ATE72707T1 (de) 1988-06-30 1989-06-24 Elektronische uhr mit einer batterieoeffnung und einer luke zum abschliessen dieser oeffnung und herstellungsverfahren einer solchen uhr.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2494/88 1988-06-30
CH2494/88A CH673074B5 (de) 1988-06-30 1988-06-30

Publications (2)

Publication Number Publication Date
EP0348856A1 true EP0348856A1 (de) 1990-01-03
EP0348856B1 EP0348856B1 (de) 1992-02-19

Family

ID=4235069

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89111555A Expired - Lifetime EP0348856B1 (de) 1988-06-30 1989-06-24 Elektronische Uhr mit einer Batterieöffnung und einer Luke zum Abschliessen dieser Öffnung und Herstellungsverfahren einer solchen Uhr

Country Status (9)

Country Link
US (1) US5010532A (de)
EP (1) EP0348856B1 (de)
JP (1) JP2644892B2 (de)
AT (1) ATE72707T1 (de)
CH (1) CH673074B5 (de)
DE (1) DE68900833D1 (de)
ES (1) ES2030563T3 (de)
HK (1) HK106496A (de)
SG (1) SG20695G (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4135711A1 (de) * 1991-06-08 1992-12-17 Busak & Luyken Gmbh & Co Dichtungsventil fuer behaelteroeffnungen
US5455124A (en) * 1991-06-08 1995-10-03 Busak + Shamban Gmbh & Co. Sealing valve for container openings
DE102005008312A1 (de) * 2005-02-17 2006-08-24 Birds Pharma Gmbh Berolina Innovative Research & Development Services Verwendung deuterierter N-[2-(5-Methoxy-1H-indol-3-yl)-ethyl]acatamide und deren pharmazeutisch verträglicher Salze sowie diese Verbindungen enthaltende Arzneimittel

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001183474A (ja) * 1999-12-27 2001-07-06 Seiko Instruments Inc 時計ケースの電池ぶた構造
US8511890B2 (en) * 2006-08-27 2013-08-20 Nike, Inc. Rocking bezel control
US7874722B2 (en) * 2006-08-27 2011-01-25 Nike, Inc. Watch casing integrally formed with watch band

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH3449A (de) * 1891-05-09 1891-10-15 Karl Weigle Schilfrohrgewebe
US4182020A (en) * 1977-01-03 1980-01-08 Fairchild Camera And Instrument Corporation Method of manufacturing a battery cover for placement in an opening in a battery container

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3597913A (en) * 1969-01-10 1971-08-10 Suwa Seikosha Kk Battery-carrying means for electric or electronic timepiece
CH1076369A4 (de) * 1969-07-15 1973-02-15
US3783604A (en) * 1973-02-05 1974-01-08 Revision Traitement De I Infor Wrist watch with a dial-illuminating device
US4107400A (en) * 1977-06-24 1978-08-15 Timex Corporation Battery hatch cover
US4166359A (en) * 1977-12-19 1979-09-04 Hughes Aircraft Company Watch battery hatch construction
JPS54104370A (en) * 1978-02-01 1979-08-16 Seiko Instr & Electronics Ltd Electronic wristwatch
JPS54136869A (en) * 1978-04-17 1979-10-24 Citizen Watch Co Ltd Electronic watch structure
GB2057167B (en) * 1979-07-17 1983-07-27 Citizen Watch Co Ltd Module structure for an electonric watch
CH650121GA3 (de) * 1983-02-21 1985-07-15
GB2178561A (en) * 1985-07-26 1987-02-11 Peter Kwok Kuen Yu Improvements in or relating to a watch and a watch battery cover

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH3449A (de) * 1891-05-09 1891-10-15 Karl Weigle Schilfrohrgewebe
US4182020A (en) * 1977-01-03 1980-01-08 Fairchild Camera And Instrument Corporation Method of manufacturing a battery cover for placement in an opening in a battery container

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4135711A1 (de) * 1991-06-08 1992-12-17 Busak & Luyken Gmbh & Co Dichtungsventil fuer behaelteroeffnungen
US5455124A (en) * 1991-06-08 1995-10-03 Busak + Shamban Gmbh & Co. Sealing valve for container openings
DE4135711C3 (de) * 1991-06-08 2000-06-15 Busak & Shamban Gmbh & Co Dichtungsventil für Behälteröffnungen und Entgasungsventil
DE102005008312A1 (de) * 2005-02-17 2006-08-24 Birds Pharma Gmbh Berolina Innovative Research & Development Services Verwendung deuterierter N-[2-(5-Methoxy-1H-indol-3-yl)-ethyl]acatamide und deren pharmazeutisch verträglicher Salze sowie diese Verbindungen enthaltende Arzneimittel

Also Published As

Publication number Publication date
CH673074GA3 (de) 1990-02-15
ES2030563T3 (es) 1992-11-01
ATE72707T1 (de) 1992-03-15
US5010532A (en) 1991-04-23
EP0348856B1 (de) 1992-02-19
HK106496A (en) 1996-06-28
JP2644892B2 (ja) 1997-08-25
JPH0247584A (ja) 1990-02-16
DE68900833D1 (de) 1992-03-26
CH673074B5 (de) 1990-08-15
SG20695G (en) 1995-08-18

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