EP2172816B1 - Wrist watch case - Google Patents
Wrist watch case Download PDFInfo
- Publication number
- EP2172816B1 EP2172816B1 EP08791729A EP08791729A EP2172816B1 EP 2172816 B1 EP2172816 B1 EP 2172816B1 EP 08791729 A EP08791729 A EP 08791729A EP 08791729 A EP08791729 A EP 08791729A EP 2172816 B1 EP2172816 B1 EP 2172816B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- frame body
- members
- case frame
- case
- decorated
- 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.)
- Not-in-force
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Classifications
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- 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
- G04B37/04—Mounting the clockwork in the case; Shock absorbing mountings
- G04B37/05—Fixed mountings for pocket or wrist watches
- G04B37/052—Fixed mountings for pocket or wrist watches with shock damping means not related to the winding stem
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- 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
- G04B37/14—Suspending devices, supports or stands for time-pieces insofar as they form part of the case
- G04B37/1486—Arrangements for fixing to a bracelet
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- 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
- G04B37/22—Materials or processes of manufacturing pocket watch or wrist watch cases
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- 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
- G04B37/22—Materials or processes of manufacturing pocket watch or wrist watch cases
- G04B37/223—Materials or processes of manufacturing pocket watch or wrist watch cases metallic cases coated with a nonmetallic layer
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- 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
- G04B45/00—Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects
- G04B45/0076—Decoration of the case and of parts thereof, e.g. as a method of manufacture thereof
Definitions
- the invention relates to a wristwatch case, more specifically to the construction for installing band components and a back cover component onto a case frame body. Furthermore, the invention relates to a decorative construction for enhancing a decorated property of an external case frame body.
- wristwatch case construction generally consisted of a pair of right and left legs in positions relative to a case frame body, and separate watchbands are attached between the aforementioned legs.
- a case frame body In the past, wristwatch case construction generally consisted of a pair of right and left legs in positions relative to a case frame body, and separate watchbands are attached between the aforementioned legs. (See patent references 1 and 2.)
- an inner wall surface of each leg in the 12 and 6 o'clock sides is provided with a retaining hole for bridging and engaging a spring rod.
- a case frame body 60 is made of hard materials that are difficult to machine, such as cemented carbide or ceramics.
- the case frame body 60 made of cemented carbide is directly provided with retaining holes 60f for protruding pins 50a located at the tips of spring rods 50 by subjecting an inner wall surface 60h of each leg 60e to electro-discharge machining.
- a hard wristwatch case had problems that difficulty in designing a thin-walled case frame body provides limitations to dimensional specifications for the design because it is difficult to make the hard wristwatch case thinner, resulting in the difficulty to obtain sufficient design strength. In particular, damage caused by insufficient strength of the legs for the case frame body to which watchbands are attached was a major problem.
- patent reference 3 is an innovative and excellent construction for attaching the watchband with no visual difference in comparison with a construction of a usual hard wristwatch case.
- a construction of a hard wristwatch case as an ornament, it was a construction lacking visual decoration with difficulty in realizing a more innovative design.
- the purpose of this invention is to realize a construction where the decorated properties and the rigidity of a hard wristwatch case are enhanced by changing the configuration simply, and no cracking or chipping is generated in the legs of a case frame body when attaching and detaching spring rods for the watchbands, and further to provide a hard wristwatch case where the construction for installing a back cover is simultaneously improved so that the need for brazing threaded bushes is eliminated. This is acheived by the features of independent claim 1.
- a wristwatch case enables the arrangement of retaining holes for spring rods so as to make them correspond to inner wall surfaces of a pair of right and left legs of the case frame body through the decorated members made of a shock-resistant metal provided to the grooves of the 3 o'clock and 9 o'clock side surfaces of the case frame body to engage the spring rods for supporting the watchbands by bridging the rods between the retaining holes.
- This mechanism prevents cracking and chipping of the case frame body side caused by attachment and detachment of the spring rods and makes the case frame body resistant to a bending force generated after installing the spring rods to solve the problem of cracking generated in the legs of the case frame body.
- the decorated members made of a metal act as reinforcing members from the viewpoint of construction at the 3 o'clock and 9 o'clock sides to eliminate a lack of strength of the case frame body making a hard wristwatch case thinner.
- acquisition of design strength required by the case frame body enables design of a wristwatch case with a thin wall.
- the back cover can be installed by screws to the case frame body very easily without using conventional threaded bushes, and the need for embedding and brazing work of the threaded bushes is eliminated, leading to excellent machinability and workability as well as a reduction in the manufacturing processes.
- the decorated members made of a metal in the 3 o'clock and 9 o'clock sides provide decorative patterns with the brilliance of a glossy mirror surface of gold or silver colored noble metals and brilliance of light reflected by diamonds, jewels, etc., and the combination of such brilliance and black or pearl-white colored zirconium ceramic materials used for the case frame body gives such wristwatch cases a high class feeling and novelty design.
- a case frame body 6 as a timepiece case is a basic body in which watch parts are built
- a cover glass 5 is installed to a front side of the case frame body 6
- a set of watch machinery consisting of watch hands 8, a dial 7, a movement 13 and a movement holder 9 is assembled into an interior of an internal space 6g from a back surface side
- a back cover 10 is fixed to the case frame body 6 by screwing screws 11 into threaded holes 2a of threaded members for engagement 2 provided to decorated members 1 to assemble as a wristwatch case 100 provided with airtightness
- a construction for installing the decorated members 1 arranged to 3 o'clock and 9 o'clock sides is a special feature of this embodiment.
- Black zirconium-base ceramic raw materials formed from powder injection molding technology used for the case frame body 6 in this embodiment can be changed to sintered materials composed of alumina-base or zirconium-base white ceramics or to cemented carbide or hard materials formed using any one of sintered alloy materials of TaC-base, TiC-base, WC-base, etc.
- a portion of a visible surface 4 (decorated surface) of the decorated members 1 made of a metal can be decorated by decorative patterns, jewel materials, etc., and at least partial or entire bodies of the aforementioned decorated members are made of noble metal materials such as gold and platinum.
- the back cover 10 is formed as a shock-resistant metallic member made of general stainless steel and the like.
- the case frame body 6 is a circular and rectangular case frame body consisting of the 3 o'clock and 9 o'clock sides and 12 o'clock and 6 o'clock sides basically designed as a framework for a wristwatch case, legs 6e are relatively located in the two pairs of right and left positions, namely four positions, in both ends of a 12 o'clock to 6 o'clock orientation, and installation spaces 6c and 6d (generally this portion is called “fork” as a specific watch term) for spring rods for supporting watchbands not illustrated in Figure 1 between the aforementioned pair of right and left legs 6e and 6e are provided to form the case frame body.
- the back cover 10 is formed in a flat plate shape having a contour capable of being fitted and fixed in an entire opening (inner space 6g) located at a back side of the case frame body 6 other than legs 6e provided to the aforementioned four places.
- the decorated members 1 made of a shock-resistant metal are installed into the grooves 6a and 6b of the case frame body.
- FIG. 2 An example of the decorated members 1 is shown in Figure 2 .
- a visible surface 4 of the decorated member 31 made of noble metal materials is provided with a decorative pattern having a stripe-like concavo-convex shape, an opposite surface of the decorative pattern is provided with spring rod installation members 3 like cylinders at both ends, and threaded members for engagement 2 are provided inside the two spring rod installation members.
- a spring rod retaining hole 3a is arranged at a central position of the spring rod installation member 3, and the threaded member 2 located inward from the installation member is also provided with threaded hole 2a.
- These decorated members 1 are fitted to the grooves 6a and 6b provided on the 3 o'clock and 9 o'clock sides of the case frame body 6 from directions of arrows E and F shown in Figure 3 .
- the grooves of the case frame body 6 already assembled with the decorated members 1
- external shapes of the aforementioned decorated members 1 made of a metal are fitted to the internal shapes of the grooves provided on the 3 o'clock and 9 o'clock sides with similar shapes as the external shapes so that the aforementioned decorated members 1 completely fill the interiors of the grooves 6a and 6b in a manner where the bottoms of the decorated members are fully in contact with the internal surfaces of the grooves as shown in Figure 5 .
- the entire case frame body 6 designed to be thinner is reinforced by the fitted decorated members 1 made of metal.
- the spring rod installation members 3 of the aforementioned decorated members 1 are simultaneously fitted into through-holes 6f provided to a pair of right and left legs 6e of the case frame body 6, and the aforementioned threaded members for engagement 2 are engaged in cavities 6h of the case frame body 6 in a similar way.
- the aforementioned spring rod installation members 3 with the spring rod retaining holes 3a positioned in the centers of the installation members are passed through the through-holes 6f of the legs 6e of 9 o'clock side and are exposed on an inner wall surface of the band attachment space 6c.
- the decorated member 1 of 3 o'clock side is fitted to the case frame body 6 from a direction of an arrow G, and then screws 11 for engaging the back cover 10 are inserted through holes 10a of the back cover 10 and are screwed in the threaded holes 2a of the threaded members for engagement 2 arranged in cavities 6h of the aforementioned case frame body 6 to install and fix the back cover 10 to the case frame body 6.
- Figure 6 shows a cross-sectional view of a screw locking construction of the back cover 10 using the threaded members for engagement 2.
- the decorated member 1 of which visible surface 4 is provided with a decorative pattern is fitted and fixed to the groove 6b of the case frame body 6, and simultaneously the threaded member 2 integrally formed is inserted into the cavity 6h of the case frame body 6.
- the threaded members for engagement 2 with the threaded holes 2a are penetrated through the case frame body 6 toward an inner space side, and the screws 11 are screwed in the threaded holes through the holes 10a of the back cover 10 to fix the back cover 10.
- the exposed surfaces of the spring rod installation members 3 of the decorated members 1 are assembled by being fitted in the inner walls of the right and left legs 6e of the case frame body 6 so that the exposed surfaces of the rod installation members are not protruded from the surfaces of the legs to keep the surfaces even with the surfaces of the legs. Therefore, the assembly can be performed with a same appearance as a form of legs of a normal case frame body without distinctiveness from the viewpoint of design.
- the spring rod installation members 3 arranged in the decorated members 1 can be firmly fixed to the case frame body 6 by a screw locking the back cover 10, thus the spring rod installation members 3 can sufficiently withstand pressing forces due to spring elasticity at the time of spring rod installation.
- a case frame body 36 as a wristwatch case is a basic body in which watch parts are built, a cover glass 35 is installed to a front side of the case frame body 36, a set of watch machinery consisting of watch hands 8, a dial 37, a movement (not illustrated) and a movement holder 39 is assembled into an interior of an internal space 36g from a back surface side, further a back cover 40 is fixed to the case frame body 36 by screwing screws 11 in threaded holes 32a of threaded members for engagement 32 provided to front side cavities 36h of the case frame body 36 to assemble as a wristwatch case 200 is airtight, and a construction for installing the decorated members 31 arranged on the 3 o'clock and 9 o'clock sides is a special feature of this embodiment.
- the white zirconium-base ceramic raw materials used for the case frame body 36 in this embodiment can be changed to sintered materials composed of alumina-base white or zirconium-base black ceramics or to cemented carbide or hard materials formed using any one of sintered alloy materials of TaC-base, TiC-base, WC-base, etc.
- a portion of a visible surface 4 (decorated surface) of the decorated members 31 made of a metal can be decorated by decorative patterns, jewel materials, etc., and at least partial or entire bodies of the aforementioned decorated members 31 are made of noble metal materials such as gold and platinum.
- the back cover 40 is formed as a shock-resistant metallic member made of general stainless steel and the like.
- the case frame body 36 is a circular round-shaped case frame body consisting of the 3 o'clock and 9 o'clock sides and 12 o'clock and 6 o'clock sides basically designed as a framework for a wristwatch case, legs 36e are relatively located in the two pairs of right and left positions, namely four positions, at both ends of the 12 o'clock to 6 o'clock orientation as shown in Figure 8 , and installation spaces 36c and 36d (generally this portion is called “fork” as a specific watch term) for spring rods 50 for supporting watchbands not illustrated between the aforementioned pair of right and left legs 36e and 36e are provided to form the case frame body.
- the back cover 40 is formed in a flat plate shape with a contour capable of being fitted and fixed in an entire opening (inner space 36g) located at a back side of the case frame body 36 other than legs 36e provided to the aforementioned four places.
- the decorated members 31 made of a shock-resistant metal are installed into the grooves 36a and 36b of the case frame body.
- the decorated members 31 are made of noble metal materials, the visible surfaces 4 of the decorated members 31 are provided with a decorative patterns of stripe-like concavo-convex shape, and both ends of an opposite surface of the decorative pattern are provided with cylinder-like spring rod installation members 3. Furthermore, spring rod retaining holes 3a are arranged in the central positions of the spring rod installation members 3.
- These decorated members 31 are fitted into the grooves 36a and 36b provided on the 3 o'clock and 9 o'clock sides of the case frame body 36 from the directions of arrows K and L shown in Figure 9 .
- the external shapes of the aforementioned decorated members 31 made of a metal are fitted to internal shapes of the grooves provided on the 3 o'clock and 9 o'clock sides with similar shapes as the external shapes so that the aforementioned decorated members 31 completely fill the interiors of the grooves 36a and 36b in a manner where the bottoms of the decorated members are fully in contact with internal surfaces of the grooves as shown in Figure 10 .
- the entire case frame body 36 designed to be thinner is reinforced by the fitted decorated members 31 made of metal.
- the spring rod installation members 3 of the aforementioned decorated members 31 are fitted into through-holes 36f provided to a pair of right and left legs 36e of the case frame body 36, and the aforementioned separately manufactured threaded members for engagement 32 are engaged into cavities 36h of a bottom side of a bezel 30 of the case frame body 36.
- the back cover 40 is installed and fixed to the case frame body 36 by screwing the screws 11 for engaging the back cover 40 in threaded holes 32a of the threaded members for engagement 32 arranged in the cavities 36h of the aforementioned case frame body 36 through holes 40a of the back cover 40.
- the threaded members for engagement 32 having the threaded holes 32a are penetrated through the case frame body 36 toward an inner space 36g, and the screws 11 are screwed in the threaded holes 32a through the holes 40a of the back cover 40 to fix the back cover 40.
- the watchband installation construction for a wristwatch case enables to fit protruding pins 50a of the spring rods 50 in the retaining holes 3a of the spring rod installation members 3 and to bridge the spring rods 50 between the retaining holes 3a to engage the rods as shown in Figure 8 (only the 6 o'clock side illustrated with dotted line). Since this spring rod installation members 3 are made of shock-resistant metallic materials as stated above and are integrally formed with the decorated members 31, cracking and chipping at portions of the legs 36e of the case frame body 36 due to attachment and detachment of the spring rods 50 do not occur.
- the threaded members for engagement 32 can be easily provided to the cavities 36h of the bottom side of the bezel 30 of the case frame body 36 as shown in Figure 8 .
- the cavities 36h can be easily injection-molded on an external surface of the case frame body 36 using powder injection molding technology, work processes where the case frame body is directly provided with holes by spot facing using a conventional electro-discharge machining method, and where threaded bushes are bonded by brazing, are not required.
- the 3 o'clock and 9 o'clock sides, including the legs of the case frame body can be reinforced by the decorated members, strength of the entire case frame body is increased, and generation of cracking and chipping in the legs of the case frame body due to bending force generated after watchband installation can be prevented.
- This invention relates to a wristwatch case equipped with a case frame body made of hard materials for the purpose of realizing decoration using noble metals and jewelry design.
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Electric Clocks (AREA)
- Adornments (AREA)
- Electromechanical Clocks (AREA)
- Professional, Industrial, Or Sporting Protective Garments (AREA)
Abstract
Description
- The invention relates to a wristwatch case, more specifically to the construction for installing band components and a back cover component onto a case frame body. Furthermore, the invention relates to a decorative construction for enhancing a decorated property of an external case frame body.
- In the past, wristwatch case construction generally consisted of a pair of right and left legs in positions relative to a case frame body, and separate watchbands are attached between the aforementioned legs. (See
patent references -
- Patent reference 1: Japanese Unexamined Patent Application Publication No.
07-231802 - Patent reference 2: Japanese Unexamined Patent Application Publication No.
10-225309 - One of the wristwatch cases is, for example, shown in
Fig. 11 where acase frame body 60 is made of hard materials that are difficult to machine, such as cemented carbide or ceramics. Thecase frame body 60 made of cemented carbide is directly provided with retainingholes 60f for protrudingpins 50a located at the tips ofspring rods 50 by subjecting aninner wall surface 60h of eachleg 60e to electro-discharge machining. - In the case of the
frame body 60 shown in the aforementionedFigure 11 , when fitting or removing thespring rods 50 for attachment or detachment of separate bands, a shock of a pressing force caused by spring elasticity of the protrudingpin 50a easily results in a crack R or chipping S around theretaining hole 60f of theleg 60e as shown by an encircled enlarged drawing, often leading to a problem in quality and appearance. The cause of such damage can be said to be not only the physical properties of an easily chipped cemented carbide material but the cause of such damage can also be microcracks in a surface layer where the property was changed from electro-discharge machining. This can be said for ceramics materials as a type of hard materials, meaning that "hard but easily chipped" was a disadvantage of a wristwatch case made of hard materials. - Moreover, in an easily chipped hard wristwatch case, biting-into construction or a press-fit construction generally used for wristwatch cases made of stainless steel cannot be applied for fixing a
back cover 70. Therefore, it was necessary to embed threadedbushes 62 into a back surface side of the case frame body for brazing secured by screwing inscrews 71, thus causing problems of the screw-fixing construction of the back cover resulted from low workability for secondary processing and high costs required for electro-discharge machining, ultrasonic hole opening, heat treatment for brazing, etc. - Therefore, a hard wristwatch case had problems that difficulty in designing a thin-walled case frame body provides limitations to dimensional specifications for the design because it is difficult to make the hard wristwatch case thinner, resulting in the difficulty to obtain sufficient design strength. In particular, damage caused by insufficient strength of the legs for the case frame body to which watchbands are attached was a major problem.
- In order to solve this problem, a construction is proposed in which the protrusions for attaching watchbands are provided perpendicularly at four corners of the back cover as positions corresponding to the retaining holes for the spring rods at the legs of the case frame body, and the retaining hole members for spring rods are integrally formed with a shock-resistant back cover made of a metal. (See
patent reference 3.) -
- Patent reference 3: Japanese Unexamined Patent Application Publication No.
2004-198183 - However, even the construction shown in
patent reference 3 had some problems. That is to say, problems from the viewpoints of machinability, workability, and costs of a case frame body were not yet solved because a construction for installing the back cover to the case frame body was exactly the same as that for installing the back cover with conventional screws and threaded bushes. In addition, there was concern that bending force caused by installing the spring rod results in concentration of bending stress to protrusions located at four corners of the thin-walled back cover, leading to deformation of the corner portions of the back cover, thus adversely affecting the threaded bush. - Moreover, the construction shown in
patent reference 3 is an innovative and excellent construction for attaching the watchband with no visual difference in comparison with a construction of a usual hard wristwatch case. However, from the viewpoint of the design of a hard wristwatch case as an ornament, it was a construction lacking visual decoration with difficulty in realizing a more innovative design. - Patent reference 4:
DE 103 05 305 A1
DE 103 05 305 A1 discloses a wristwatch housing part having a watch mechanism container (2) and watch mounting assembly (3.1, 3.2, 4.1, 4.2, 7.1, 7.2, 8.1, 12.1-12.4) that are manufactured as separate components. The invention also relates to a corresponding method of manufacture for a wristwatch housing part. - The purpose of this invention is to realize a construction where the decorated properties and the rigidity of a hard wristwatch case are enhanced by changing the configuration simply, and no cracking or chipping is generated in the legs of a case frame body when attaching and detaching spring rods for the watchbands, and further to provide a hard wristwatch case where the construction for installing a back cover is simultaneously improved so that the need for brazing threaded bushes is eliminated.
This is acheived by the features ofindependent claim 1. - As shown above, a wristwatch case according to this invention enables the arrangement of retaining holes for spring rods so as to make them correspond to inner wall surfaces of a pair of right and left legs of the case frame body through the decorated members made of a shock-resistant metal provided to the grooves of the 3 o'clock and 9 o'clock side surfaces of the case frame body to engage the spring rods for supporting the watchbands by bridging the rods between the retaining holes.
- This mechanism prevents cracking and chipping of the case frame body side caused by attachment and detachment of the spring rods and makes the case frame body resistant to a bending force generated after installing the spring rods to solve the problem of cracking generated in the legs of the case frame body.
- Furthermore, in the wristwatch case according to this invention, the decorated members made of a metal act as reinforcing members from the viewpoint of construction at the 3 o'clock and 9 o'clock sides to eliminate a lack of strength of the case frame body making a hard wristwatch case thinner. Thus acquisition of design strength required by the case frame body enables design of a wristwatch case with a thin wall.
- Moreover, the back cover can be installed by screws to the case frame body very easily without using conventional threaded bushes, and the need for embedding and brazing work of the threaded bushes is eliminated, leading to excellent machinability and workability as well as a reduction in the manufacturing processes.
- Furthermore, in the wristwatch case according to this invention, the decorated members made of a metal in the 3 o'clock and 9 o'clock sides provide decorative patterns with the brilliance of a glossy mirror surface of gold or silver colored noble metals and brilliance of light reflected by diamonds, jewels, etc., and the combination of such brilliance and black or pearl-white colored zirconium ceramic materials used for the case frame body gives such wristwatch cases a high class feeling and novelty design.
- Now an example of a wristwatch case construction according to this invention is described in reference to
Figures 1 through 6 . In the most preferred embodiment of this invention as shown inFigure 1 , acase frame body 6 as a timepiece case is a basic body in which watch parts are built, acover glass 5 is installed to a front side of thecase frame body 6, a set of watch machinery consisting ofwatch hands 8, adial 7, amovement 13 and amovement holder 9 is assembled into an interior of aninternal space 6g from a back surface side, further aback cover 10 is fixed to thecase frame body 6 by screwingscrews 11 into threadedholes 2a of threaded members forengagement 2 provided to decoratedmembers 1 to assemble as awristwatch case 100 provided with airtightness, and a construction for installing the decoratedmembers 1 arranged to 3 o'clock and 9 o'clock sides is a special feature of this embodiment. - Black zirconium-base ceramic raw materials formed from powder injection molding technology used for the
case frame body 6 in this embodiment can be changed to sintered materials composed of alumina-base or zirconium-base white ceramics or to cemented carbide or hard materials formed using any one of sintered alloy materials of TaC-base, TiC-base, WC-base, etc. In addition, a portion of a visible surface 4 (decorated surface) of the decoratedmembers 1 made of a metal can be decorated by decorative patterns, jewel materials, etc., and at least partial or entire bodies of the aforementioned decorated members are made of noble metal materials such as gold and platinum. Furthermore, theback cover 10 is formed as a shock-resistant metallic member made of general stainless steel and the like. - The
case frame body 6 is a circular and rectangular case frame body consisting of the 3 o'clock and 9 o'clock sides and 12 o'clock and 6 o'clock sides basically designed as a framework for a wristwatch case,legs 6e are relatively located in the two pairs of right and left positions, namely four positions, in both ends of a 12 o'clock to 6 o'clock orientation, andinstallation spaces Figure 1 between the aforementioned pair of right andleft legs - The
back cover 10 is formed in a flat plate shape having a contour capable of being fitted and fixed in an entire opening (inner space 6g) located at a back side of thecase frame body 6 other thanlegs 6e provided to the aforementioned four places. In order to assume an assembly of a wristwatch case using the abovementioned components as a basic form and to bridge and engage the spring rods, the decoratedmembers 1 made of a shock-resistant metal are installed into thegrooves - An example of the decorated
members 1 is shown inFigure 2 . As shown inFigure 2 , avisible surface 4 of the decoratedmember 31 made of noble metal materials is provided with a decorative pattern having a stripe-like concavo-convex shape, an opposite surface of the decorative pattern is provided with springrod installation members 3 like cylinders at both ends, and threaded members forengagement 2 are provided inside the two spring rod installation members. Furthermore, a springrod retaining hole 3a is arranged at a central position of the springrod installation member 3, and the threadedmember 2 located inward from the installation member is also provided with threadedhole 2a. - These decorated
members 1 are fitted to thegrooves case frame body 6 from directions of arrows E and F shown inFigure 3 . As for the grooves of thecase frame body 6 already assembled with the decoratedmembers 1, external shapes of the aforementioned decoratedmembers 1 made of a metal are fitted to the internal shapes of the grooves provided on the 3 o'clock and 9 o'clock sides with similar shapes as the external shapes so that the aforementioned decoratedmembers 1 completely fill the interiors of thegrooves Figure 5 . Thus, a construction is obtained where the entirecase frame body 6 designed to be thinner is reinforced by the fitted decoratedmembers 1 made of metal. - At this time, the spring
rod installation members 3 of the aforementioned decoratedmembers 1 are simultaneously fitted into through-holes 6f provided to a pair of right andleft legs 6e of thecase frame body 6, and the aforementioned threaded members forengagement 2 are engaged incavities 6h of thecase frame body 6 in a similar way. - Thus, as shown by a 9 o'clock side of the
case frame body 6 inFigure 4 , the aforementioned springrod installation members 3 with the springrod retaining holes 3a positioned in the centers of the installation members are passed through the through-holes 6f of thelegs 6e of 9 o'clock side and are exposed on an inner wall surface of theband attachment space 6c. - In a similar way, the decorated
member 1 of 3 o'clock side is fitted to thecase frame body 6 from a direction of an arrow G, and then screws 11 for engaging theback cover 10 are inserted throughholes 10a of theback cover 10 and are screwed in the threadedholes 2a of the threaded members forengagement 2 arranged incavities 6h of the aforementionedcase frame body 6 to install and fix theback cover 10 to thecase frame body 6. -
Figure 6 shows a cross-sectional view of a screw locking construction of theback cover 10 using the threaded members forengagement 2. As shown inFigure 6 , the decoratedmember 1 of whichvisible surface 4 is provided with a decorative pattern is fitted and fixed to thegroove 6b of thecase frame body 6, and simultaneously the threadedmember 2 integrally formed is inserted into thecavity 6h of thecase frame body 6. The threaded members forengagement 2 with the threadedholes 2a are penetrated through thecase frame body 6 toward an inner space side, and thescrews 11 are screwed in the threaded holes through theholes 10a of theback cover 10 to fix theback cover 10. - In addition, as shown in
Figure 5 , the exposed surfaces of the springrod installation members 3 of the decoratedmembers 1 are assembled by being fitted in the inner walls of the right andleft legs 6e of thecase frame body 6 so that the exposed surfaces of the rod installation members are not protruded from the surfaces of the legs to keep the surfaces even with the surfaces of the legs. Therefore, the assembly can be performed with a same appearance as a form of legs of a normal case frame body without distinctiveness from the viewpoint of design. - Thus an assembly construction is obtained where the decorated
members 1 are mechanically fixed in the grooves of thecase frame body 6 completely, and thecase frame body 6 can be only disassembled by removing thescrews 11 of theback cover 10. This assembly construction is important for designing an airtight (waterproof) mechanism using a gasket. - Furthermore, when the decorated
member 1 and the threaded members forengagement 2 are integrally formed, the springrod installation members 3 arranged in the decoratedmembers 1 can be firmly fixed to thecase frame body 6 by a screw locking theback cover 10, thus the springrod installation members 3 can sufficiently withstand pressing forces due to spring elasticity at the time of spring rod installation. - In this embodiment, although it is assumed that a watchband is installed by bridging the spring rod, it is also possible to adopt an installation construction where the watchbands are fixed by screws. For example, as shown by an exploded view in
Figure 7 , when the decoratedmember 21 and the threaded members forengagement 22 are separately manufactured, it is possible that the threaded members forengagement 22 are fitted and fixed or attached with adhesives to thecavities 6h of thecase frame body 6, that the decoratedmembers 21 are bonded to thecase frame body 6 by brazing or with adhesives, or that a pin or a screw is inserted through an insertinghole 3b of the decoratedmember 21 to fix the watchband with the pin or the screw. That is to say, wristwatch case constructions according to this invention can be realized by various installation methods. - Now another example of a wristwatch case construction according to this invention is described in reference to
Figures 8 through 10 . In the other embodiment of this invention as shown inFigure 8 , acase frame body 36 as a wristwatch case is a basic body in which watch parts are built, acover glass 35 is installed to a front side of thecase frame body 36, a set of watch machinery consisting ofwatch hands 8, adial 37, a movement (not illustrated) and amovement holder 39 is assembled into an interior of aninternal space 36g from a back surface side, further aback cover 40 is fixed to thecase frame body 36 by screwingscrews 11 in threadedholes 32a of threaded members forengagement 32 provided tofront side cavities 36h of thecase frame body 36 to assemble as awristwatch case 200 is airtight, and a construction for installing the decoratedmembers 31 arranged on the 3 o'clock and 9 o'clock sides is a special feature of this embodiment. - The white zirconium-base ceramic raw materials used for the
case frame body 36 in this embodiment can be changed to sintered materials composed of alumina-base white or zirconium-base black ceramics or to cemented carbide or hard materials formed using any one of sintered alloy materials of TaC-base, TiC-base, WC-base, etc. In addition, a portion of a visible surface 4 (decorated surface) of the decoratedmembers 31 made of a metal can be decorated by decorative patterns, jewel materials, etc., and at least partial or entire bodies of the aforementioned decoratedmembers 31 are made of noble metal materials such as gold and platinum. Furthermore, theback cover 40 is formed as a shock-resistant metallic member made of general stainless steel and the like. - The
case frame body 36 is a circular round-shaped case frame body consisting of the 3 o'clock and 9 o'clock sides and 12 o'clock and 6 o'clock sides basically designed as a framework for a wristwatch case,legs 36e are relatively located in the two pairs of right and left positions, namely four positions, at both ends of the 12 o'clock to 6 o'clock orientation as shown inFigure 8 , andinstallation spaces spring rods 50 for supporting watchbands not illustrated between the aforementioned pair of right andleft legs - The
back cover 40 is formed in a flat plate shape with a contour capable of being fitted and fixed in an entire opening (inner space 36g) located at a back side of thecase frame body 36 other thanlegs 36e provided to the aforementioned four places. In order to assume an assembly of a wristwatch case using the abovementioned components as a basic form and to bridge and engage the spring rods, the decoratedmembers 31 made of a shock-resistant metal are installed into thegrooves - The decorated
members 31 are made of noble metal materials, thevisible surfaces 4 of the decoratedmembers 31 are provided with a decorative patterns of stripe-like concavo-convex shape, and both ends of an opposite surface of the decorative pattern are provided with cylinder-like springrod installation members 3. Furthermore, springrod retaining holes 3a are arranged in the central positions of the springrod installation members 3. - These decorated
members 31 are fitted into thegrooves case frame body 36 from the directions of arrows K and L shown inFigure 9 . As for the grooves of thecase frame body 36 already assembled with the decoratedmembers 31, the external shapes of the aforementioned decoratedmembers 31 made of a metal are fitted to internal shapes of the grooves provided on the 3 o'clock and 9 o'clock sides with similar shapes as the external shapes so that the aforementioned decoratedmembers 31 completely fill the interiors of thegrooves Figure 10 . Thus a construction is obtained where the entirecase frame body 36 designed to be thinner is reinforced by the fitted decoratedmembers 31 made of metal. - At this time, the spring
rod installation members 3 of the aforementioned decoratedmembers 31 are fitted into through-holes 36f provided to a pair of right andleft legs 36e of thecase frame body 36, and the aforementioned separately manufactured threaded members forengagement 32 are engaged intocavities 36h of a bottom side of abezel 30 of thecase frame body 36. - Thus, as shown by
band attachment spaces 36d of 9o'clock side legs 36e of thecase frame body 36 inFigure 10 , the springrod retaining holes 3a located at centers of the aforementioned springrod installation members 3 are passed through the through-hole 6f of thelegs 6e of 9 o'clock side and become exposed on inner wall surfaces of theband attachment spaces 36d. - Furthermore, since the aforementioned separately manufactured threaded members for
engagement 32 are engaged in thecavities 36h of the bottom side of thebezel 30 of thecase frame body 36, theback cover 40 is installed and fixed to thecase frame body 36 by screwing thescrews 11 for engaging theback cover 40 in threadedholes 32a of the threaded members forengagement 32 arranged in thecavities 36h of the aforementionedcase frame body 36 throughholes 40a of theback cover 40. - The threaded members for
engagement 32 having the threadedholes 32a are penetrated through thecase frame body 36 toward aninner space 36g, and thescrews 11 are screwed in the threadedholes 32a through theholes 40a of theback cover 40 to fix theback cover 40. - Thus an assembly construction is obtained where installation of the
back cover 40 does not require drilling or brazing work for embedding threaded bushes in thecase frame body 36, and theback cover 40 can be fixed by screwing thescrews 11 in the threadedholes 32a of the engagingmembers 32 only after fitting the threaded members forengagement 32 in thecavities 36h of thecase frame body 36. This assembly construction is important for designing an airtight (waterproof) mechanism using a gasket. - As shown by an exploded view in
Figure 8 , even if the decoratedmembers 31 and the threaded members forengagement 32 are manufactured separately, it is possible that the threaded members forengagement 32 are fitted into thecavities 36h of thecase frame body 36 for fixing or attaching with adhesives, and that the decoratedmembers 31 are bonded to thecase frame body 36 by brazing or using adhesives to be fixed with watchbands using screws. That is to say, wristwatch case constructions according to this invention can be realized in various installation methods. - As described above, the watchband installation construction for a wristwatch case according to this invention enables to fit protruding
pins 50a of thespring rods 50 in the retainingholes 3a of the springrod installation members 3 and to bridge thespring rods 50 between the retainingholes 3a to engage the rods as shown inFigure 8 (only the 6 o'clock side illustrated with dotted line). Since this springrod installation members 3 are made of shock-resistant metallic materials as stated above and are integrally formed with the decoratedmembers 31, cracking and chipping at portions of thelegs 36e of thecase frame body 36 due to attachment and detachment of thespring rods 50 do not occur. - Furthermore, the threaded members for
engagement 32 can be easily provided to thecavities 36h of the bottom side of thebezel 30 of thecase frame body 36 as shown inFigure 8 . Moreover, since thecavities 36h can be easily injection-molded on an external surface of thecase frame body 36 using powder injection molding technology, work processes where the case frame body is directly provided with holes by spot facing using a conventional electro-discharge machining method, and where threaded bushes are bonded by brazing, are not required. In addition, it is not necessary to directly provide the legs of the case frame body with retaining holes for the spring rods. - Furthermore, since the 3 o'clock and 9 o'clock sides, including the legs of the case frame body, can be reinforced by the decorated members, strength of the entire case frame body is increased, and generation of cracking and chipping in the legs of the case frame body due to bending force generated after watchband installation can be prevented.
- The abovementioned technical terms and expressions were used only for description and do not limit the features of this invention at all. For example, a pair of right and left legs includes legs having shapes equivalent to them. In addition to this, even usage of limited terms and expressions does not mean intention to exclude embodiments equivalent to those of the abovementioned invention. Therefore, various changes can be added within the range of this invention as defined in the appended claims.
- This invention relates to a wristwatch case equipped with a case frame body made of hard materials for the purpose of realizing decoration using noble metals and jewelry design.
-
-
Figure 1 is an exploded perspective view showing a wristwatch case relating to an embodiment of this invention by developing each component. -
Figure 2 is a perspective view showing a shape of decorated members to be installed to the wristwatch case shown inFigure 1 . -
Figure 3 is a perspective view describing the assembly of the decorated members and a case frame body of the wristwatch case shown inFigure 1 . -
Figure 4 is a perspective view describing the assembly of the decorated members, a case frame body of the wristwatch case, and a back cover shown inFigure 1 . -
Figure 5 is an external perspective view showing a completed condition after assembling the wristwatch case shown inFigure 1 . -
Figure 6 is a cross-sectional view for describing a screw locking construction of threaded members for engagement and a back cover in the wristwatch case shown inFigure 1 . -
Figure 7 is a perspective view for describing the assembly of each of decorated members and threaded members for engagement of which construction is partially different from the wristwatch case shown inFigure 1 . -
Figure 8 is an exploded perspective view showing a wristwatch case relating to another embodiment of this invention by developing each component. -
Figure 9 is a perspective view for describing the assembly of the case frame body of the wristwatch case, the decorated members, and the back cover shown inFigure 8 . -
Figure 10 is an external perspective view showing a completed condition after assembling the wristwatch case shown inFigure 8 . -
Figure 11 is a view for describing constructions for installing spring rods and a back cover in a construction for a conventional wristwatch case. -
- 1, 21 and 31 Decorated members
- 2, 22 and 32 Threaded members for engagement
- 2a, 22a, 32a, and 62a Threaded holes
- 3 Spring rod installation member
- 3a and 60f Retaining holes
- 3b Inserting holes
- 4 Visible surface (decorated surface)
- 5 and 35 Cover glasses
- 6, 36 and 60 Case frame bodies
- 6a, 36a, and 60a Side grooves in the 3 o'clock side
- 6b, 36b, and 60b Side grooves in the 9 o'clock side
- 6c, 36c, and 60c Band attachment spaces for the 12 o'clock side
- 6d, 36d, and 60d Band attachment spaces for the 6 o'clock side
- 6e, 36e, and 60e Legs
- 6f and 36f Through-holes
- 6g, 36g, and 60g Inner spaces
- 6h and 36h Cavities
- 7 and 37 Dials
- 8 Watch hands
- 9 and 39 Movement holders
- 10, 40, and 70 Back covers
- 10a, 40a, and 70a Holes
- 11 and 71 Screws
- 12 Winding crown
- 13 Movement
- 30 Bezel
- 50 Spring rods
- 50a Protruding pins
- 62 Threaded bushes
- 100 and 200 Wristwatch case
Claims (9)
- A wristwatch case (100; 200), comprising:a case frame body (6; 36) made of hard alloy material;a cover glass (5; 35) to be installed to a front side of said case frame body (6; 36);a back cover (10;40) to be installed to a back side of said case frame body (6; 36); anddecorated members (1; 21; 31), made of a shock-resistant metal provided with retaining holes (3a) for spring rods at both ends, which are fitted in grooves (6a, 6b; 36a, 36b) provided on the 3 o'clock and 9 o'clock sides of said case frame body (6; 36),
said spring rods being arranged to be bridged and fixed between said retaining holes (3a) of said installed decorated members (1; 21; 31) at a time of installing watchbands,characterized in that the case frame body (6; 36) is provided with a pair of right and left legs (6e; 36e) and band attachment spaces (6c; 36d) for supporting separate watchbands between said legs (6e; 36e), andinstallation members (3) for said spring rods are embedded and installed into through-holes (6f; 36f) provided to said legs (6e; 36e) of said case frame body (6; 36) so that said installation members (3) are exposed on the inner wall surfaces of said band attachment spaces (6c; 36d) for said legs (6e; 36e) - A wristwatch case (100; 200) according to claim 1, comprising:characterized in that the decorated members (1; 21; 31) made of a shock-resistant metal provided with retaining holes (3a) for spring rods at both ends and protruding piece-like threaded members for engagement (2; 22; 32) are fitted in grooves (6a,6b; 36a, 36b) provided on the 3 o'clock and 9 o'clock sides of said case frame body (6; 36) and in cavities (6h; 36h) corresponding to threaded members for engagement (2; 22; 32) of said case frame body (6; 36) respectively,installation members (3) for said spring rods are embedded and installed to through-holes (6f; 36f) provided to said legs (6e; 36e) of said case frame body (6; 36) so that said installation members (3) are exposed on inner wall surfaces of said band attachment spaces (6c; 36d) for said legs (6e; 36e),said back cover (10;40) is installed and fixed to said case frame body (6; 36) by screwing screws for engaging said back cover (10;40) in threaded holes of threaded members for engagement (2; 22; 32) arranged in said cavities (6h; 36h) of said case frame body (6; 36) at a time of installing said back cover (10;40), andsaid spring rods are bridged and fixed between said retaining holes (3a) of said installed decorated members (1; 21; 31) at a time of installing watchbands.
- A wristwatch case (100; 200) according to Claim 1 or Claim 2, wherein visible surface portions of said decorated members (1; 21; 31) made of a metal are provided with a decorative patterns or jewelry decoration with jewel materials etc., and at least partial or entire bodies of said decorated members (1; 21; 31) are made of noble metal materials such as gold, platinum, etc.
- A wristwatch case (100; 200) according to Claim 1 or Claim 2, wherein said case frame body (6; 36) is formed using powder injection molding technology.
- A wristwatch case (100; 200) according to Claim 1 or Claim 2, wherein said case frame body (6; 36) is made of hard alloy materials or cemented carbide alloy materials of TaC-base, TiC-base or WC-base.
- A wristwatch case (100; 200) according to Claim 1 or Claim 2, wherein said case frame body (6; 36) is made of zirconium-base ceramics or alumina-ceramics materials.
- A wristwatch case (100; 200) according to Claim 1 or Claim 2, wherein an internal shape of grooves (6a, 6b; 36a, 36b) provided on the 3 o'clock and 9 o'clock side surfaces of said case frame body (6; 36) is similar to an external shape of said decorated members (1; 21; 31) made of a metal, and fitting of said decorated members (1; 21; 31) into grooves (6a, 6b; 36a, 36b) provides a construction that reinforces an entire case frame body (6; 36).
- A wristwatch case (100; 200) according to Claim 2, wherein said threaded members for engagement (2; 22; 32) are integrally provided with said decorated members (1; 21; 31).
- A wristwatch case (100; 200) according to Claim 2, wherein said threaded members for engagement (2; 22; 32) are separately provided with said decorated members (1; 21; 31).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007200235 | 2007-07-31 | ||
PCT/JP2008/063494 WO2009017080A1 (en) | 2007-07-31 | 2008-07-28 | Wrist watch case |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2172816A1 EP2172816A1 (en) | 2010-04-07 |
EP2172816A4 EP2172816A4 (en) | 2010-08-25 |
EP2172816B1 true EP2172816B1 (en) | 2012-02-08 |
Family
ID=40304311
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08791729A Not-in-force EP2172816B1 (en) | 2007-07-31 | 2008-07-28 | Wrist watch case |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP2172816B1 (en) |
JP (1) | JP5311056B2 (en) |
KR (1) | KR101190641B1 (en) |
CN (1) | CN101821682B (en) |
AT (1) | ATE545073T1 (en) |
WO (1) | WO2009017080A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102022114229B3 (en) | 2022-06-07 | 2023-10-26 | Porsche Lifestyle GmbH & Co. KG | Watch case base body, watch and method for producing a watch |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108669661A (en) * | 2011-04-08 | 2018-10-19 | 浦江集佳水晶玻璃技术开发有限公司 | Crystal glass ash tray |
US10696022B2 (en) | 2012-06-27 | 2020-06-30 | Tosoh Corporation | Composite plate and production method therefor |
ITTO20120648A1 (en) * | 2012-07-24 | 2012-10-23 | Brovero Carlo Alberto | ONE CASE FOR WATCHES WITH WATERPROOF CHARACTERISTICS MADE WITH TWO OR MORE SEPARATE PARTS CONNECTED BETWEEN THEM FROM FIXING ELEMENTS, FOR EXAMPLE SCREWS. |
BR102012021716A2 (en) * | 2012-08-29 | 2013-10-22 | Magnum Ind Da Amazonia Ltda | PULSE WATCH IMPROVEMENT |
JP5967451B2 (en) * | 2014-04-28 | 2016-08-10 | カシオ計算機株式会社 | Band mounting structure and watch |
IT201600126278A1 (en) * | 2016-12-14 | 2018-06-14 | Promotion Spa | CASE FOR CLOCK |
EP3454136A1 (en) * | 2017-09-08 | 2019-03-13 | ETA SA Manufacture Horlogère Suisse | Watch case, wristwatch and kit for assembling a wristwatch comprising same |
CN111367159B (en) * | 2020-05-10 | 2021-08-03 | 厦门佳佳鼎电子科技有限公司 | Five-window electronic watch convenient to install and using method thereof |
LU500104B1 (en) * | 2021-04-29 | 2022-11-02 | Feinwerk Manufaktur Dresden Gmbh | Modular wristwatch system |
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CH10573A4 (en) * | 1973-01-05 | 1974-04-11 | ||
JPS4995810A (en) * | 1973-01-18 | 1974-09-11 | ||
JPS5719671Y2 (en) * | 1977-09-01 | 1982-04-26 | ||
DE2743410C3 (en) | 1977-09-27 | 1980-08-14 | Endress U. Hauser Gmbh U. Co, 7867 Maulburg | Method for the temporal stabilization of periodic sampling pulses and arrangements for carrying out the method |
JPS5463659U (en) * | 1977-10-06 | 1979-05-04 | ||
JPS5817586U (en) * | 1981-07-28 | 1983-02-03 | シチズン時計株式会社 | Fixing structure of decorative plate for watches |
JPS5828681A (en) * | 1981-08-14 | 1983-02-19 | Citizen Watch Co Ltd | Structure of watch case |
JPS59127190U (en) * | 1983-02-15 | 1984-08-27 | セイコーエプソン株式会社 | Exterior parts for watches |
JPS60181693U (en) * | 1984-05-12 | 1985-12-02 | シチズン時計株式会社 | Fixed structure of nameplate |
JPS6275490U (en) * | 1985-10-30 | 1987-05-14 | ||
JPH0527027Y2 (en) * | 1986-07-23 | 1993-07-08 | ||
JPH0382012U (en) * | 1989-12-12 | 1991-08-21 | ||
JPH03199994A (en) * | 1989-12-27 | 1991-08-30 | Seiko Instr Inc | Production of clock case by powder injection molding |
AU4293497A (en) * | 1996-10-03 | 1998-04-24 | Comadur Sa | Watch frame comprising a case and a supporting device |
TW476742B (en) * | 1996-12-23 | 2002-02-21 | Smh Man Services Ag | Zirconia based ceramic article for use as a wear resistant exterior part for a wristwatch, and method for obtaining the same |
EP0850900B1 (en) * | 1996-12-23 | 2001-10-10 | The Swatch Group Management Services AG | Zirconia based article, its use as wear resistant part of a wristwatch and method for its production |
JP4348599B2 (en) * | 2002-12-17 | 2009-10-21 | 並木精密宝石株式会社 | Carbide watch case |
DE10305305A1 (en) * | 2003-02-10 | 2004-09-02 | Junghans Uhren Gmbh | Housing part for a wristwatch, especially a ceramic watch, has a watch mounting assembly that is separate from the mechanism container thus permitting separate machining and polishing |
-
2008
- 2008-07-28 EP EP08791729A patent/EP2172816B1/en not_active Not-in-force
- 2008-07-28 AT AT08791729T patent/ATE545073T1/en active
- 2008-07-28 CN CN2008801007551A patent/CN101821682B/en not_active Expired - Fee Related
- 2008-07-28 WO PCT/JP2008/063494 patent/WO2009017080A1/en active Application Filing
- 2008-07-28 KR KR1020107000153A patent/KR101190641B1/en not_active IP Right Cessation
- 2008-07-28 JP JP2009525387A patent/JP5311056B2/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102022114229B3 (en) | 2022-06-07 | 2023-10-26 | Porsche Lifestyle GmbH & Co. KG | Watch case base body, watch and method for producing a watch |
Also Published As
Publication number | Publication date |
---|---|
ATE545073T1 (en) | 2012-02-15 |
EP2172816A4 (en) | 2010-08-25 |
EP2172816A1 (en) | 2010-04-07 |
KR101190641B1 (en) | 2012-10-15 |
KR20100029234A (en) | 2010-03-16 |
CN101821682A (en) | 2010-09-01 |
WO2009017080A1 (en) | 2009-02-05 |
JP5311056B2 (en) | 2013-10-09 |
CN101821682B (en) | 2012-01-18 |
JPWO2009017080A1 (en) | 2010-10-21 |
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