JP2011110236A - Piece for ornament - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve the problems that a conventional piece for ornaments, used in a watch band, causes an end of a connection pin or a screw head to be visualized from a side view, and a connector to be exposed from a gap of pieces when the band is worn on the wrist, harming ornamentation. <P>SOLUTION: The piece for the ornaments including a first piece, a second piece, a connector and a retainer for retaining the connector to the second piece, is characterized in that the first piece is flat formed and includes a through-hole penetrating from the front to the back for housing the connector and a recess provided on at least one side of the front or the back and connecting up with the through-hole for housing the second piece, in that the second piece is cylindrically formed and includes a housing part consisting of a hole or a cutout for housing the connector, and in that the connector is formed into a band, a string or a chain with the second piece housed in the recess in the front or the back of the first piece, and the connector retained to the second piece by the retainer and housed in the through-hole of the first piece and the housing part of the second piece. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a decorative piece used for a wristband or a bracelet, and more particularly to a decorative piece using ceramics.

  Conventionally, various structures have been proposed for decorative pieces used for wristbands, bracelets and the like according to the design. In particular, a decorative piece using ceramics for the band piece has come to be used for high-grade decorative items because the ceramics are not easily damaged and have excellent wear resistance. As an example of using such ceramics, Patent Document 1 communicates with a substantially rectangular band piece provided with a straight through hole in the thickness of the piece main body in the thickness direction of the piece, and a through hole of the band piece. Spacers with openings in the axis of the rod-shaped body, bearing holes on both sides of the shaft that communicate with the openings in the shaft from the side end surface of the rod-shaped body, and projections from both ends of the rod-shaped body toward the equipment side of the watch And a predetermined number of chain pins formed by connecting the front and back sides of the plate-like body as shaft joints and a plurality of connecting pins, and fitting the protrusions into the holes at both ends of the through holes, the spacer is placed on the front side of the watch. Assemble with the band piece located in one piece, keep the gap between the adjacent band pieces with the spacers, and combine the band pieces and spacers alternately, and combine the chain pieces with the front and back shaft joints. The shaft joint is positioned in the opening of the spacer, the plate-shaped main body is positioned in the through hole of the band piece, and the chain piece, the band piece and the spacer are combined, and the connecting pin is connected to the bearing hole of each spacer and the opening of the spacer. A wristwatch band is disclosed in which a band main body is assembled in a chain form from each of the combined parts inserted into a shaft joint of a chain piece located at the position. And according to this, it is possible to assemble as a cushioning member for the adjacent band piece by arranging the spacer between the piece main bodies, and to prevent the wristband from breaking or chipping even if the piece main body is a super hard material. It is described that it can be provided.

  In addition, in order to give a high-class feeling, for example, Patent Document 2 discloses a watch band in which a connecting body is connected to an end of a band main body formed by connecting a plurality of block pieces. A plurality of block pieces are connected to each other by a wire inserted through the through hole, the block piece and the wire are fixed to each other by a wire fixing screw, and the connection body is used for locking the wire. There is disclosed a watch band in which a hole is formed, and an end portion of a wire is inserted into a locking hole and is locked to the connecting body by an attaching screw attached to the connecting body. And, according to this, after finishing the block piece itself, the band body can be assembled, and since the block piece that has been crafted can be used, a watch band with a high-class feeling and easy length adjustment can be used. It is described that it can be provided.

  Further, in Patent Document 3, a hole penetrating from the front surface to the rear surface of the flat ceramic member is formed, and a concave portion continuous with the hole is formed in the front surface of the ceramic member, and the hinge portion of the connector is positioned in the concave portion. Thus, there is disclosed a timepiece band in which a connecting tool is inserted into the hole and a plurality of ceramic members are connected by the connecting tool. According to this, it is described that it is possible to provide a watch band having a remarkably high decorative effect by preventing the internal connection tool from being exposed between the ceramic members even if the watch band is bent in an annular shape. Has been.

Japanese Patent No. 3924635 Japanese Utility Model Publication No. 64-51414 Utility Model Registration No. 2518677

  However, the ornament piece used for a conventional wristwatch band or the like has a problem that the end of the connecting pin used to connect the pieces and the head of the screw can be seen from the side, and the decorativeness is impaired. When wound around the wrist, there is a problem that a gap is formed between the pieces constituting the band, and the internal coupling is exposed to impair the decorativeness. Especially, a band using a ceramic piece solves these problems suitably. Needed some more ingenuity.

  For example, the wristwatch band of Patent Document 1 prevents the crack or chipping even if the piece main body is made of a super-hard material by arranging the spacer between the piece main bodies. Since the end portion of the connecting pin can be seen on the side surface, there is a problem that a part of the connecting component is exposed and the decorativeness is impaired.

  In addition, since the watch band of Patent Document 2 can use a crafted block piece, it can provide a high-quality watch band that can be easily adjusted in length, but the block piece can be used as a wire on the side of the block piece. There was a problem that the head of the screw to be fixed was exposed and the decorativeness deteriorated.

  Further, as shown in FIG. 22 (b), the timepiece band of Patent Document 3 has a structure in which the ceramic members open when bent in an annular shape, and the internal connecting device 105 is largely exposed from the gap A of the ceramic member 101. I didn't do it, but it was difficult to prevent it from being completely exposed. Further, as shown in FIGS. 22 (a) and 22 (b), since the hinge portion 103 of the coupler 105 is located in the recess 104, when the band is wound around the wrist and bent into an annular shape, the adjacent ceramic member 101 is Further, it has been further demanded that a small step B is formed on the surface in contact with the arm to form a smooth curve.

  In the present invention, the end of the connecting pin and the head of the screw are not exposed on the side surface of the decorative piece, and when the band is wound around the wrist, the internal connecting member is not exposed from between the pieces and the material of the piece is changed. The object is to provide decorative pieces that are not easily chipped or worn as ceramics.

  The ornamental piece according to the present invention includes a first piece, a second piece, a connecting tool, and a fixture for fixing the connecting tool to the second piece. The first piece has a flat plate shape and is connected to the connecting piece. A through hole penetrating from the front surface for housing the tool to the rear surface, and at least one recess on the front surface side or the rear surface side continuing to the through hole for housing the second piece, the second piece Is a columnar shape and has an accommodating portion made of a hole or a notch for accommodating the coupling tool, and the coupling tool has a band shape, a string shape or a chain shape, and is provided on the front side or the rear side of the first piece. The second piece is accommodated in the recess, and the connector is secured to the second piece by the fixture, and is accommodated in the through hole of the first piece and the accommodating portion of the second piece. It is characterized by.

  Further, the decorative article piece according to the present invention has the above configuration, wherein the fixing tool is a pin, the connecting tool has a pin hole into which the pin is inserted, and the second piece is provided at both ends of the housing portion. It has a pin engaging part engaged with the said pin inserted in the said pin hole.

  Further, the decorative article piece according to the present invention is characterized in that, in the above configuration, the pin engaging portion is a hole penetrating from the accommodating portion to the end face of the second piece.

  In addition, the decorative article piece according to the present invention may be configured such that, in the above configuration, when the second piece is sandwiched between the adjacent first pieces and accommodated in the concave portion, the pin engaging portion is one of the first pieces. It is located inside the recess.

  The decorative article piece of the present invention is characterized in that, in each of the above-described configurations, the first piece and the second piece are made of ceramics.

  According to the ornament piece of the present invention, the first piece, the second piece, the connecting tool, and the fixing tool for fixing the connecting tool to the second piece are provided. A through hole penetrating from the front surface to the rear surface for accommodating the second piece, and at least one concave portion on the front side or the rear surface side continuous with the through hole for accommodating the second piece, the second piece being columnar , Having a receiving portion made of a hole or a notch for receiving the connector, the connector being in the shape of a band, string or chain, and the second piece being received in the recess on the front side or rear side of the first piece Since the connecting tool is fixed to the second piece by the fixing tool and is received in the through hole of the first piece and the receiving portion of the second piece, the end of the connecting pin and the screw The head and the connecting tool are not exposed, and the inner connecting tool is not exposed between the pieces when the band is wound around the wrist.

  In the decorative article piece according to the present invention, in the above configuration, the fixing tool is a pin, the connecting tool has a pin hole into which the pin is inserted, and the second piece is inserted into the pin hole at both ends of the housing portion. Since the pin engaging portion that engages with the pin is provided, the connecting structure is simplified, and the ornamental piece and the connecting tool can be easily assembled.

  In addition, the decorative article piece according to the present invention has the above-described configuration in which the pin engaging portion is a hole penetrating from the accommodating portion of the second piece to the end surface, so that the connection structure is simplified, and the decorative piece and the connecting tool are provided. Can be easily assembled.

  Further, in the above configuration, the decorative article piece of the present invention is configured such that when the second piece is sandwiched between the adjacent first pieces and accommodated in the concave portion, the pin engaging portion is positioned inside the concave portion of one of the first pieces. Therefore, even when the pin engaging portion of the second piece is a hole penetrating from the receiving portion to the end surface, when the ornamental piece and the connecting tool are assembled, the end of the connecting pin and the screw are attached to the side surface of the decorative piece. It can be a band where the head is not exposed.

  In addition, the decorative article piece according to the present invention has a high-class feeling in which the first piece and the second piece are made of ceramics in any of the above-described structures, so that it is difficult to be chipped or worn and has a uniform texture and color tone. A beautiful appearance can be obtained.

An example of the 1st piece which is a part of ornament piece which is the 1st embodiment of the present invention is shown, (a) is a top view, (b) is a front view, (c) is a right view. (D) is a bottom view. An example of the 2nd piece which is a part of ornament piece which is the 1st embodiment of the present invention is shown, (a) is a top view, (b) is a front view, (c) is a right view. It is. The other example of the 2nd piece which is a part of ornament piece which is the 1st embodiment of the present invention is shown, (a) is a top view, (b) is a front view, (c) is the right side It is a top view, (d) is a bottom view. An example of the coupling tool which is a part of the ornament piece of the present invention is shown, (a) is a plan view, (b) is a front view, and (c) is a right side view. The other example of the coupling tool which is a part of the ornament piece of this invention is shown, (a) is a top view, (b) is a front view, (c) is a right view. The other example (2nd piece in the case of using the connector shown in FIG. 5) which is a part of the ornament piece of the present invention is shown, (a) is a plan view, and (b) is a front view. It is a figure, (c) is a right view, (d) is a left view. It is a perspective view which shows an example of the fixing tool which is a part of ornament piece of this invention. FIGS. 8-1 to 8-4 show an example of a method for assembling the decorative article piece according to the first embodiment of the present invention. FIG. 8-1 (a) shows a connecting case, a second piece, and a second piece on the watch case. It is sectional drawing seen from the upper surface side which shows the state before assembling one piece, (b) is sectional drawing in the DD 'line of (a). FIG. 8-2 (a) is a cross-sectional view seen from the upper surface side showing a state before the coupling tool and the second piece are assembled to the watch case and the fixing tool is inserted into the pin engaging portion and the pin hole, (B) is sectional drawing in the DD 'line of (a). FIG. 8-3 (a) is a cross-sectional view seen from the upper surface side showing a state in which the connecting tool and the second piece are assembled to the watch case and the fixing tool is inserted into the pin engaging portion and the pin hole. It is sectional drawing in the DD 'line of (a). FIG. 8-4 (a) shows that the connecting tool and the second piece are assembled to the watch case, the fixing tool is inserted into the pin engaging portion and the pin hole, and the second piece is accommodated in the concave portion on the left side of the first piece. It is sectional drawing seen from the upper surface side which shows the state before accommodating the 2nd piece of this in the recessed part of the right side of a 1st piece, (b) is sectional drawing in the DD 'line of (a). An example of the shape after assembling | attaching the ornament piece which is the 1st Embodiment of this invention to a watch case is shown, (a) is a top view, (b) is a front view, (c) is It is a bottom view and (d) is a front view which shows the state which bent the ornament piece. It is sectional drawing which shows an example which the 2nd piece fitted in the recessed part of the 1st piece 1. FIG. An example of a spacer, (a) is a plan view, (b) is a front view, (c) is a bottom view, and (d) is a right side view. It is sectional drawing from the left side surface which shows the assembly method at the time of using the spacer of the ornament piece of this invention, (a) is a figure which shows the state before an assembly | attachment, (b) is a 2nd piece, it is a spacer. It is a figure which shows the state which fitted to (2) and the fixing tool (not shown) was penetrated by the pin engaging part and the pin hole, (c) is a figure which shows the state which fitted the spacer in the recessed part of the left side of a 1st piece. (D) is a diagram showing a state in which a spacer is fitted to the right side of the first piece, a second piece is fitted to the spacer, and a fixture (not shown) is inserted through the pin engaging portion and the pin hole. is there. It is an example of sectional drawing which shows the state which bent a part of ornament piece which is the 1st Embodiment of this invention. An example of the 1st piece which is a part of ornament piece which is the 2nd embodiment of the present invention is shown, (a) is a top view, (b) is a front view, (c) is a right view. It is. An example of the 2nd piece which is a part of the ornament piece which is the 2nd Embodiment of this invention is shown, (a) is a top view, (b) is a front view, (c) is a right view. It is. FIGS. 16-1 to 16-3 show an example of a method for assembling a decorative article piece according to the second embodiment of the present invention. FIG. 16-1 (a) shows a connecting case, a second piece, and a second piece on a watch case. It is sectional drawing seen from the upper surface side which shows the state before assembling one piece, (b) is sectional drawing in the EE 'line of (a). FIG. 16-2 (a) shows a state before the connecting tool and the second piece are assembled to the watch case, and one of the two fixing tools is inserted into the pin engaging portion and the pin hole and the other is inserted. It is sectional drawing seen from the upper surface side shown, (b) is sectional drawing in the EE 'line | wire of (a). FIG. 16-3 (a) assembles the connecting tool and the second piece into the watch case, inserts the fixing tool into the pin engaging portion and the pin hole, and accommodates the second piece in the concave portion on the left side of the first piece, It is sectional drawing seen from the upper surface side which shows the state before accommodating the next 2nd piece in the recessed part of the right side of the 1st piece, (b) is sectional drawing in the EE 'line of (a). An example of the shape after assembling the ornament piece which is the second embodiment of the present invention to the watch case is shown, (a) is a plan view, (b) is a front view, and (c) is a bottom surface. FIG. An example of the 1st piece which is a part of ornament piece which is the 3rd embodiment of the present invention is shown, (a) is a top view, (b) is a front view, (c) is a right view. (D) is a rear view. An example of the 2nd piece which is a part of ornament piece which is the 3rd embodiment of the present invention is shown, (a) is a top view, (b) is a front view, (c) is a right view. It is. FIGS. 20-1 to 20-3 show an example of a method for assembling a decorative article piece according to the third embodiment of the present invention. FIG. 20-1 (a) shows a connecting case, a second piece, and a second piece on a watch case. It is sectional drawing seen from the upper surface side which shows the state before assembling one piece, (b) is sectional drawing in the FF 'line of (a). FIG. 20-2 (a) is a cross-sectional view seen from the upper surface side showing a state in which the connecting tool and the second piece are assembled to the watch case and the fixing tool is inserted into the pin engaging portion and the pin hole. ) Is a cross-sectional view taken along line FF ′ in FIG. FIG. 20-3 (a) assembles the connecting tool and the second piece into the watch case, inserts the fixing tool into the pin engaging portion and the pin hole, and accommodates the second piece in the recess on the left side of the first piece. It is sectional drawing seen from the upper surface side which shows the state before accommodating the 2nd piece of this in the recessed part of the right side of the 1st piece, (b) is sectional drawing in the FF 'line of (a). An example of the shape which is 3rd Embodiment after assembling | attaching the ornament piece of this invention to the watch case is shown, (a) It is a top view, (b) is a front view, (c) is a decoration. It is the front view and the partial cross section figure of the state which bent the article piece. Sectional drawing from the side surface of the ceramic member used for the wristwatch band disclosed in Patent Document 3 is shown, (a) is a state in which the watchband is flat, and (b) is a state in which the watchband is bent. is there.

  Examples of embodiments of the present invention will be described below.

  Various materials such as metal, resin, leather, or ceramics are used for decorative pieces used for watch bands and bracelets. In particular, a decorative piece made of ceramic is often used for high-grade products because it has high hardness and is not easily damaged, and can maintain a beautiful appearance over a long period of time. On the other hand, ceramics, unlike other materials, have high hardness and are difficult to work with, and thus are easily chipped. Therefore, a special connection structure is required when used as a decorative piece.

  And this invention has the 1st piece 1, the 2nd piece 2, the connection tool 3, and the fixing tool 4 which fixes the connection tool 3 to the 2nd piece 2, and the 1st piece 1 is flat form, and is connected. A through hole 17 penetrating from the front surface 10 for accommodating the tool 3 to the rear surface 11 and at least one recess 16 on the front surface 10 side or the rear surface 11 side continuous with the through hole 17 for accommodating the second piece 2 The second piece 2 has a columnar shape and has an accommodating portion 24 made of a hole or a notch for accommodating the connector 3, and the connector 3 is in the form of a band, string or chain, The second piece 2 is accommodated in the concave portion 16 on the front surface 10 side or the rear surface 11 side of the piece 1, and the connecting tool 3 is fixed to the second piece 2 with the fixing tool 4, and the through hole 17 of the first piece 1 and It is important to be accommodated in the accommodating portion 16 of the second piece 2.

  Next, an example of the first embodiment of the present invention will be described.

  1A and 1B show an example of a first piece that is a part of a decorative article piece according to the first embodiment of the present invention. FIG. 1A is a plan view, FIG. 1B is a front view, and FIG. Is a right side view, and (d) is a bottom view.

  The first piece 1 which is a part of the ornamental piece that is the first embodiment of the present invention shown in FIGS. 1A to 1D has an appearance shape when the ornamental piece is wound around the wrist. It is mainly composed of an upper surface 13 and side surfaces 12. The lower surface 14 is a surface in contact with the wrist, and has a through hole 17 that penetrates from the front surface 10 side to the rear surface 11 side, and a recess 16 on the front surface 10 side and the rear surface 11 side that continues to the through hole 17.

  When the ornamental piece is wound around the wrist in the first piece 1, the upper surface 13 and the side surface 12 are parts that can be seen visually, and the lower surface 14 becomes the wrist side. Is an important part. The concave portion 16 is a portion that accommodates the second piece 2 when assembling the ornamental piece, and the inner surface of the concave portion 16 that rubs against the second piece 2 is a mirror surface or a smooth surface with few irregularities, so that the second It is preferable not to damage the surface of the piece 2.

  And the through-hole 17 is a part which accommodates the coupling tool 3 when assembling the ornament piece, and the cross-section of the through-hole 17 penetrating from the front surface 10 to the rear surface 12 in FIG. 1B is rectangular. . As another example, when the connector 3 is in a string shape, it may be matched with the cross-sectional shape of the string or may be divided into a plurality of segments.

  FIG. 2 shows an example of a second piece which is a part of the ornamental piece according to the first embodiment of the present invention, (a) is a plan view, (b) is a front view, and (c). Is a right side view.

  The second piece 2 shown in FIGS. 2 (a) to 2 (c) has a cylindrical shape, and an accommodation part 24 having a hole penetrating from the front surface 20 side to the rear surface 21 side at the center, and the accommodation part 24 to the second piece 2. A pin engaging portion 23 formed of a hole penetrating through the end surface 22 of the second piece 2, and the pin engaging portion 23 is shifted from the center of the end surface 22 of the circular second piece 2 toward the rear surface 21 of the second piece 2. It is formed.

  When the second piece 2 shown in FIGS. 2 (a) to 2 (c) is assembled into a decorative piece, the connector 3 is accommodated in the accommodating portion 24, and the concave portions 16 of the front and rear first pieces 1 are accommodated. Be contained. The surface of the first piece 1 that is in contact with the recess 16 is preferably a mirror surface or a smooth surface with little unevenness, so that the surface is less likely to be damaged and the durability is preferably increased. Although the cross section of the accommodating part 24 which penetrates from the front surface 20 of the 2nd piece 2 to the rear surface 21 of the 2nd piece 2 shown in FIG.2 (b) is a rectangular shape, as another example, the connection tool 3 is string shape. In this case, it may be matched with the cross-sectional shape of the string or may be divided into a plurality of parts. The pin engaging portion 23 is formed at a position shifted from the center of the circular second piece end face 22 toward the rear face 21 side of the second piece 2, which is shown in FIGS. As shown in b), the second piece 2 is accommodated in the concave portion 16 (the concave portion 53 of the watch case 5) of the first piece 1, and the second piece 2 and the connecting tool 3 are engaged with each other by a fixing tool 4 described later. At this time, the pin engaging portion 23 is arranged outside the concave portion 16 (the concave portion 53 of the watch case 5) so that the fixing device 4 can be inserted from the end face of the second piece to facilitate assembly.

  FIG. 3 shows another example of the second piece which is a part of the ornamental piece according to the first embodiment of the present invention, (a) is a plan view, (b) is a front view, c) is a right side view, and (d) is a bottom view.

  The other example of the 2nd piece shown to Fig.3 (a)-(d) is shown, the 2nd piece 2 is cylindrical shape, the accommodating part 24 which consists of a notch in the center, and the 2nd piece from the accommodating part 24 is shown. The pin engaging portion 23 has a hole penetrating through the end face 22, and the pin engaging portion 23 is circular and formed at a position shifted from the center of the second piece end face 22 toward the second piece rear face 21.

Further, the second piece 2 shown in FIGS. 3A to 3D has a housing portion 24 with a notch shape, but whether the housing portion 24 has a hole shape or a notch shape has a second shape. What is necessary is just to select suitably by the shaping | molding method when producing the 2 pieces 2 with ceramics, and the design of the piece 70 for ornaments.

  4A and 4B show an example of a coupling tool that is a part of the decorative article piece of the present invention. FIG. 4A is a plan view, FIG. 4B is a front view, and FIG. 4C is a right side view.

  The connector 3 shown in FIGS. 4A to 4C has a band shape, and has a fixture holding portion 31 on the plane side of the connector main body 30, and a pin hole 32 is formed in the fixture holding portion 31. It is.

  In addition, the connector 3 shown to Fig.4 (a)-(c) has shown the case where it is a strip | belt-shaped thing. The connector body 30 may be made of a stainless steel tape plated with resin coating or zinc, or a glass cloth impregnated with resin or a stainless steel wire knitted or bundled and sealed with resin. it can. Moreover, the connection tool 3 can also use a string shape or a chain | strand-shaped thing, and should just select it suitably according to the magnitude | size and shape of a decoration piece. In addition, by forming a bellows on a part of the connector main body 30, or by dividing it into a plurality of parts and connecting them with spring-like members, the connector 3 is slightly stretched and assembled as a decorative piece. It may be possible to adjust the degree of bending at the time. Then, the fixture holding part 31 can be fixed to the connector main body 30 by a method such as adhesive or brazing, or can be integrally formed in the process of manufacturing the connector main body 30. Further, a pin hole 32 is formed in the fixture holding portion 31, and the fixture 2 described later fixes the second piece 2 and the connector 3 by inserting the pin engaging portion 23 and the pin hole 32. .

  FIGS. 5A and 5B show another example of a connector that is a part of the decorative article piece according to the present invention. FIG. 5A is a plan view, FIG. 5B is a front view, and FIG. 5C is a right side view. is there.

  FIG. 6 shows another example of the second piece which is a part of the decorative article piece of the present invention (second piece when the connector shown in FIG. 5 is used), and (a) is a plan view. (B) is a front view, (c) is a right side view, and (d) is a left side view.

  The connector 3 shown in FIGS. 5A to 5C is divided into two right and left bands, and has a fixture holding portion 31 on the upper surface side of the connector main body 30, and the fixture holding portion 31 includes A pin hole 32 is formed.

  Moreover, the 2nd piece 2 shown to Fig.6 (a)-(d) is cylindrical, and is divided into right and left 2 sheets, and penetrates from the 2nd piece front 20 side to the 2nd piece rear surface 21 side as shown in the figure. And a pin engaging portion 23 having a hole penetrating from the receiving portion 24 to the second piece end surface 22, and the pin engaging portion 23 is formed from the center of the circular second piece end surface 22. It is formed at a position shifted to the rear face 21 side of the second frame.

  The coupling tool 3 shown in FIGS. 5A to 5C can be easily decorated when a column is formed at the center of the through hole 17 of the first piece 1 in order to reinforce the strength of the first piece 1, for example. The product piece 70 can be connected, and when the second piece 2 is divided and a space is provided at the center as shown in FIGS. 18A to 18D, the connecting tool 3 is also divided. For example, the connecting tool 3 is not exposed from the gap A even when the ornamental piece 70 is bent as shown in FIG. At this time, the bottom of the fixing tool insertion hole 32 is sealed so that the fixing tool 4 does not fall off, or a screw is formed in the pin hole 32 so that the fixing tool 4 is a bolt. The two pieces 2 may be engaged.

  FIG. 7 is a perspective view showing an example of a fixture that is a part of the ornamental piece of the present invention.

  As a pin used for an example of the fixture 4 shown in FIG. 7, known parts such as a simple pin, a spring pin, a split pin, and a press-fit pin can be used. Furthermore, a bolt, a wire, or the like can be used as the fixture 4.

  In addition, when the fixture holding portion 31 having the pin hole 32 as shown in FIG. 4 is not formed in the connector 3, a member for positioning the second piece 2 is attached to the connector 3 and the positioning is performed. You may fix with an adhesive agent (substitute of the fixing tool 4).

  FIGS. 8-1 to 8-4 show an example of a method for assembling the decorative article piece according to the first embodiment of the present invention. FIG. 8-1 (a) shows a connecting case, a second piece, and a second piece on the watch case. It is sectional drawing seen from the upper surface side which shows the state before assembling one piece, (b) is sectional drawing in the DD 'line of (a). FIG. 8-2 (a) is a cross-sectional view seen from the upper surface side showing a state before the coupling tool and the second piece are assembled to the watch case and the fixing tool is inserted into the pin engaging portion and the pin hole, (B) is sectional drawing in the DD 'line of (a). FIG. 8-3 (a) is a cross-sectional view seen from the upper surface side showing a state in which the connecting tool and the second piece are assembled to the watch case 5 and the fixing tool is inserted into the pin engaging portion and the pin hole. FIG. 3A is a sectional view taken along line DD ′ in FIG. FIG. 8-4 (a) shows that the connecting tool and the second piece are assembled to the watch case, the fixing tool is inserted into the pin engaging portion and the pin hole, and the second piece is accommodated in the concave portion on the left side of the first piece. It is sectional drawing seen from the upper surface side which shows the state before accommodating a 2nd piece in the recessed part of the right side of a 1st piece, (b) is sectional drawing in the DD 'line | wire which (a) saw.

  FIGS. 8-1 to 8-4 show an example of a method for assembling the ornamental piece 70 according to the first embodiment of the present invention. Each (a) shows the ornamental piece as viewed from the upper surface side. (B) the first piece 1 taken along the line AA ′, the second piece 2 taken along the line BB ′, and the watch case 5 taken along the line CC ′; The plane of connector 3 is shown. Note that (b) is a cross-sectional view taken along line EE ′ of (a).

  First, as shown in FIG. 8A, the assembly method is such that the connector 3 is inserted into the slit 54 of the watch case 5 so that the second piece 2 is accommodated in the accommodating portion 24. Move from the end of the connector 3 toward the recess 53 of the watch case 5, and then move the first piece 1 toward the watch case 5 so that the connector 3 is accommodated in the through hole 17. To do.

  Secondly, as shown in FIG. 8-2, the second piece 2 is assembled in the recess 53 of the watch case 5, and the position is determined so that the pin engaging portion 23 and the pin hole 32 communicate with each other. As shown in FIG. 4, the pin engaging portion 23 and the pin hole 32 are inserted by the fixture 4.

  Thirdly, as shown in FIG. 8-4, the first piece 1 is moved toward the watch case 5, the second piece 2 is accommodated in the concave portion 16 on the left side, and the next second piece 2 is moved to the first piece. It moves toward the concave portion 16 on the right side of the piece 1 and is accommodated in the concave portion 16, and the second piece 2 and the connecting tool 3 are engaged with the fixing tool 4 in the same manner as described above. By repeating these steps, the first piece 1, the second piece 2, the connecting tool 3, the fixing tool 4, and the watch case 5 are connected.

  Thus, in the example of the first embodiment of the present invention, the ornament piece 70 has the first piece 1 because the interval between the second pieces 2 is restricted by the fixture 4 and the fixture holding portion 31. The clearance between the second piece 2 housed in the concave portion 16 and the concave portion 16 of the first piece 1 can be kept uniform throughout the ornamental piece 70. As a result, even if the first piece 1 and the second piece 2 are made of ceramics, the first piece 1 and the second piece 2 may be damaged or worn due to repeated large friction repeatedly in specific portions of the decorative piece 70. Thus, it is possible to prevent a problem that the life of the decorative piece 70 is reduced or the appearance is deteriorated.

  FIG. 9 shows an example of the shape after assembling the ornamental piece according to the first embodiment of the present invention to the watch case, (a) is a plan view, (b) is a front view, (C) is a bottom view, and (d) is a front view showing a state where the ornamental piece 70 is bent.

  FIG. 10 is a cross-sectional view showing an example in which the second piece is fitted into the recess of the first piece.

  In the example shown in FIGS. 9A to 9D, the connecting tool 3 and the fixing tool 4 are accommodated inside the first piece 1 and the second piece 2. Therefore, when the ornamental piece 70 is wound around the wrist, when viewed from the upper surface side, only the second piece 2 can be seen from the gap A of the first piece 1 and the connector 3 is not exposed. Further, when viewed from the end face 22 side of the second piece 2, the fixture 4 is located inside the concave portion 16 of the first piece 1, so that the end of the fixture 4 is not exposed, and has a beautiful appearance. You can get piece 70.

  Further, in the ornamental piece 70, the first piece 1 bends along the contact surface between the concave portion 16 and the second piece 2, so that the step B as shown in FIG. It has excellent wearing feeling when wrapped around and has a high-class appearance.

  At this time, the contact surface between the recess 16 of the first piece 1 and the second piece 2 does not necessarily have to be a curved surface, for example, as shown in the cross-sectional view of the first piece 1 as seen from the side surface in FIG. Even if the concave portion 16 has a rectangular shape and the second piece 2 has a circular column shape, the ornamental piece 70 bends along the contact portion between the concave portion 16 of the first piece 1 and the second piece 2.

  FIG. 11 shows an example of a spacer, (a) is a plan view, (b) is a front view, (c) is a bottom view, and (d) is a right side view.

  FIG. 12 is a cross-sectional view from the left side showing the method of assembling the decorative article piece of the present invention when the spacer 6 is used, (a) is a diagram showing a state before assembling, and (b) ) Is a view showing a state in which the second piece 2 is fitted to the spacer 6 and a fixture (not shown) is inserted through the pin engaging portion 23 and the pin hole 32, and (c) is a left side of the first piece 1. It is a figure which shows the state which fitted the spacer 6 in the recessed part 16 of this, (d) is fitting a spacer 6 on the right side of the 1st piece 1, and fitting the 2nd piece 2 in a spacer, and fixing tool (not shown). 2) is inserted into the pin engaging portion 23 and the pin hole 32.

  Furthermore, as another example of the assembling method which is the first embodiment of the decorative article piece according to the present invention, the first piece 1 and the second piece 2 are used by using the spacer 6 shown in FIGS. There is also a method of assembling. Here, the spacer 6 is formed with a spacer recess 60 that fits into the second piece 2 and a spacer hole 64 into which the connector 4 is inserted. As shown in FIG. A concave portion 16 having a rectangular cross section viewed from the side surface 12 is formed, and the spacer 6 is fitted into the concave portion 16 of the first piece 1 as shown in FIGS. , Spacer 6, second piece 2 and fixture 4 can be assembled.

  By using such a spacer 6, the second piece 2 is accommodated in the spacer recess 60 and slides with the spacer 6. Therefore, when a soft material such as resin is used for the spacer 6, the second piece 2 Wear can be further reduced. Even if it does in this way, since the spacer 6 is not exposed to the external appearance of the ornament piece 70, the decorative property of the ornament piece 70 does not deteriorate.

  FIG. 13 is an example of a cross-sectional view showing a state in which a part of the decorative article piece according to the first embodiment of the present invention is bent.

  In the partial cross-sectional view showing a state in which the ornamental piece 70 shown in FIG. 13 is bent, the ornamental piece 70 is bent smoothly as a whole when the connector main body 30 is bent inside the housing portion 24.

  Further, in the present invention, the fixture 4 is a pin, the connector 3 has a pin hole 32 into which the pin is inserted, and the second piece 2 is associated with the pin inserted into the pin hole 32 at both ends of the accommodating portion 24. It is preferable to have the pin engaging part 23 to match.

  For example, a spring pin whose both ends are shrunk is used as the fixture 4 and inserted into the pin hole 32 of the connector 3 shown in FIG. 4, and both ends of the spring pin are contracted as shown in FIGS. 15 (a) to 15 (c) described later. When the both ends of the pin engaging portion 23 and the spring pin overlap each other, the second piece 2 and the connector 3 are engaged by returning the both ends of the spring pin to the original length. be able to. In this method, the end of the spring pin is not exposed even in a design in which the end face 22 of the second piece is visible from the side of the ornamental piece as shown in FIG.

  Further, in the present invention, the pin engaging portion 23 is preferably a hole that penetrates from the accommodating portion 24 of the second piece 2 to the end surface 22.

  For example, using a split pin or a press-fit pin as the fixture 4, as shown in FIG. 8-2, positioning so that the pin engaging portion 23 of the second piece 2 and the pin hole 32 of the connector 3 communicate with each other, By inserting the fixture 4 from the end face 22 of the second piece 2 into the pin engaging portion 23 and through the pin hole 32 to the opposing pin engaging portion 23, the assembly work can be easily performed. It is also easy to disassemble the decorative piece 70 for repair.

  Further, according to the present invention, when the second piece 2 is sandwiched between the adjacent first pieces 1 and accommodated in the concave portion 16, the pin engaging portion 23 is positioned inside the concave portion 16 of one first piece 1. Is preferred.

  For example, a simple pin is used as the fixture 4 and, as shown in FIG. 8B, the pin engaging portion 23 of the second piece 2 and the pin hole 32 of the connector 3 are positioned so as to communicate with each other. 4 is inserted into the pin engaging portion 23 from the end face 22 of the second piece 2 and inserted through the pin hole 32 to the pin engaging portion 23 on the opposite side, the force for inserting the fixture 4 is almost unnecessary. The assembling work can be easily performed, and the ornamental piece 70 can be further easily disassembled for repair. In particular, as shown in FIG. 9, when the second piece 2 is housed in the recess 16 of the first piece 1 and used in a decorative piece 70 designed so that the pin engaging portion 23 cannot be seen from the side, Since the joint portion 23 is covered with the inner wall of the concave portion 16 of the first piece 1 from both ends, it is possible to prevent the fixture 4 from falling off simply by assembling.

  Moreover, in this invention, it is preferable that the 1st piece 1 and the 2nd piece 2 consist of ceramics.

  By forming the first piece 1 and the second piece 2 with ceramics, the decorative piece 70 can be unified with ceramics when wound around the wrist, and the texture and color tone are made uniform. A beautiful and beautiful appearance can be obtained.

  Next, an example of the second embodiment of the present invention will be described.

  FIG. 14 shows an example of a first piece that is a part of a decorative article piece according to the second embodiment of the present invention, (a) is a plan view, (b) is a front view, and (c). Is a right side view.

  The first piece 1 shown in FIGS. 14A to 14C is mainly composed of an upper surface 13 and a side surface 12 when an ornamental piece is wound around the wrist. The lower surface 14 is a surface in contact with the wrist, and has a through hole 17 that penetrates from the front surface 10 side to the rear surface 11 side, and a recess 16 on the front surface 10 side and the rear surface 11 side that continues to the through hole 17.

  Further, in the first piece 1, when the assembly piece 70 is wound around the wrist for assembling, the upper surface 13 and the side surface 12 are portions that are visually recognized, and the lower surface 14 is on the wrist side. Therefore, it becomes an important part in the feeling of wearing. The concave portion 16 is a portion that accommodates the second piece 2 when the ornamental piece 70 is assembled, and the inner surface of the concave portion 16 that rubs against the second piece 2 is a mirror surface or a smooth surface with few irregularities. It is preferable not to damage the surface of the two pieces 2. Since the concave portion 16 of the first piece 1 shown in FIG. 14 reaches the side surface of the first piece 1, the end surface 22 of the second piece 2 accommodated in the concave portion 16 is exposed on the side surface of the ornamental piece 70. To do.

  And the through-hole 17 is a part which accommodates the coupling tool 3 when assembling the ornament piece 70, and the cross-section of the through-hole 17 penetrating from the front surface 10 to the rear surface 12 in FIG. Yes. As another example, when the connector 3 is in a string shape, it may be matched with the cross-sectional shape of the string or may be divided into a plurality of segments.

  FIG. 15 shows an example of a second piece that is a part of a decorative article piece according to the second embodiment of the present invention, (a) is a plan view, (b) is a front view, and (c) is a front view. It is a right view.

  The second piece 2 shown in (a) to (c) of FIG. 15 has a cylindrical shape, and is a receiving portion that has a hole penetrating from the front surface 20 side of the second piece 2 to the rear surface 21 side of the second piece 2 in the center. 24 and a pin engaging portion 23 formed of a blind hole formed from the housing portion 24 toward the end surface 22 of the second piece 2, and the pin engaging portion 23 extends from the center of the circular second piece end surface 22. It is formed at a position shifted to the rear face 21 side of the second frame.

  Further, when the second piece 2 shown in FIGS. 15A to 15C is assembled to the ornamental piece 70, the connector 3 is accommodated in the accommodating portion 24, and the concave portions 16 of the front and rear first pieces 1 are accommodated. Is housed. The surface of the second piece 2 that is in contact with the concave portion 16 of the first piece 1 is preferably a mirror surface or a smooth surface with little unevenness, so that it is less likely to be damaged and the durability is preferably increased. Although the cross section of the accommodating part 24 which penetrates from the front surface 20 of the 2nd piece 2 to the rear surface 21 of the 2nd piece 2 shown in FIG.15 (b) is a rectangular shape, as another example, the connection tool 3 is a string shape. In this case, it may be matched with the cross-sectional shape of the string or may be divided into a plurality of parts. The pin engaging portion 23 is formed at a position shifted from the center of the end face 22 of the circular second piece toward the rear face 21 side of the second piece. In this example, the fixture 4 is attached to the end face 22 side of the second piece 2. Since it is not inserted from the center, it may be formed at the center.

  FIGS. 16-1 to 16-3 show an example of a method for assembling a decorative article piece according to the second embodiment of the present invention. FIG. It is sectional drawing seen from the upper surface side which shows the state before assembling one piece, (b) is sectional drawing in the EE 'line of (a). FIG. 16-2 (a) shows a state before the connecting tool and the second piece are assembled to the watch case, and one of the two fixing tools is inserted into the pin engaging portion and the pin hole and the other is inserted. It is sectional drawing seen from the upper surface side shown, (b) is sectional drawing in the EE 'line | wire of (a). FIG. 16-3 (a) assembles the connecting tool and the second piece into the watch case, inserts the fixing tool into the pin engaging portion and the pin hole, and accommodates the second piece in the recess on the left side of the first piece, It is sectional drawing seen from the upper surface side which shows the state before accommodating the next 2nd piece in the recessed part of the right side of the 1st piece, (b) is sectional drawing in the EE 'line of (a).

  In an example of the method of assembling the ornamental piece 70 according to the second embodiment of the present invention shown in FIGS. 16-1 to 16-3, each (a) is a cross section of the ornamental piece as viewed from the upper surface side. FIG. 4B is a cross-sectional view of the first piece 1 taken along line AA ′, the second piece 2 taken along line BB ′, and the watch case 5 taken along line CC ′ in FIG. 3 planes are shown. Note that (b) is a cross-sectional view taken along line EE ′ of (a).

  As shown in FIG. 16A, the assembly method is such that the connector 3 is inserted into the slit 54 of the watch case 5 so that the second piece 2 is accommodated in the accommodating portion 24. Move from the end of the connector 3 toward the recess 53 of the watch case 5, and then move the first piece 1 toward the watch case 5 so that the connector 3 is accommodated in the through hole 17. To do.

  Secondly, as shown in FIG. 16-2, the second piece 2 is assembled in the recess 53 of the watch case 5, and the position is determined so that the pin engaging portion 23 and the pin hole 32 communicate with each other. The pin engaging portion 23 and the pin hole 32 are inserted from the inside of the accommodating portion 24. The fixing tool 4 used at this time may use a split pin or a press-fit pin in order to prevent falling off.

  Thirdly, as shown in FIG. 16-3, the first piece 1 is moved toward the watch case 5, the second piece 2 is accommodated in the left concave portion 16, and the next second piece 2 is moved to the first piece. It moves toward the concave portion 16 on the right side of the piece 1 and is accommodated in the concave portion 16, and the second piece 2 and the connecting tool 3 are engaged with the fixture 4 in the same manner as described above. By repeating these steps, the first piece 1, the second piece 2, the connecting tool 3, the fixing tool 4, and the watch case 5 are connected.

  The ornament piece 70 connected in this manner is accommodated in the recess 16 on the right side of the first piece 1 because the interval between the second pieces 2 is restricted by the fixture 4 and the fixture holder 31. It is possible to keep the clearance between the second piece 2 and the concave portion 16 uniform throughout the decorative piece 70. Thereby, even if the first piece 1 and the second piece 2 are made of ceramics, a large friction is repeatedly generated in a specific portion of the decorative piece 70, and the first piece 1 and the second piece 2 are damaged or worn. As a result, it is possible to prevent a problem that the life of the decorative piece 70 is reduced or the appearance is deteriorated.

  FIG. 17 shows an example of the shape after assembling the ornamental piece according to the second embodiment of the present invention to the watch case, (a) is a plan view, (b) is a front view, c) is a bottom view.

  The connector 3 and the fixture 4 shown in FIGS. 17A to 17C are accommodated in the first piece 1 and the second piece 2. Therefore, when the ornamental piece 70 is wound around the wrist, when viewed from the upper surface side, only the second piece 2 can be seen from the gap A of the first piece 1, and the connector 3 is not exposed. Further, when viewed from the end face 22 side of the second piece 2, the fixture 4 is located inside the concave portion 16 of the first piece 1, so that the end of the fixture 4 is not exposed, and has a beautiful appearance. You can get piece 70.

  As described above, in the second embodiment of the present invention, the end face 22 of the second piece 2 is designed to be exposed to the decorative piece 70, but the fixture 4 is provided from the inside of the accommodating portion 22 of the second piece 2. Since it is inserted into the pin engaging portion 23 of the blind hole, the end portion of the fixture 4 is not exposed to the end surface 22 of the second piece 2.

  Furthermore, an example of the third embodiment of the present invention will be shown.

  FIG. 18 shows an example of a first piece that is a part of a decorative article piece according to the third embodiment of the present invention, (a) is a plan view, (b) is a front view, and (c). Is a right side view, and (d) is a rear view.

  The first piece 1 shown in FIGS. 18 (a) to 18 (d) has an outer appearance mainly composed of an upper surface 13 and a side surface 12 when the ornamental piece is wrapped around the wrist, and the lower surface 14 is on the wrist. It has a through hole 17 that is in contact with the front surface 10 and penetrates from the front surface 10 side to the rear surface 11 side, and a front surface 10 side recess 16 that is continuous with the through hole 17.

  Further, when the first piece 1 is wound around the decorative piece 70 and wound around the wrist, the upper surface 13 and the side surface 12 are portions that are visually recognized, and the lower surface 14 is the wrist side. Therefore, it becomes an important part in the feeling of wearing.

  Further, as shown in FIG. 18 (c), the front surface 10 of the first piece 1 is circularly convex, the rear surface 11 is circularly concave, and when assembled to the ornamental piece 70, the front surface 10 is convex. The rear surface 11 is slidably fitted into the recess. Therefore, the front surface 10 and the rear surface 11 are preferably mirror surfaces or smooth surfaces with little unevenness so that the surfaces are not damaged during sliding.

  Further, the recess 16 is a portion that accommodates the second piece 2 when the ornamental piece 70 is assembled. In the third embodiment, the second piece 2 has a shape shown in FIG. There is no sliding with the inner surface.

  And the through-hole 17 is a part which accommodates the coupling tool 3 when assembling the ornament piece 70, and the cross section of the hole is rectangular in FIG. 18 (b). When 3 is a string shape, it may be matched to the cross-sectional shape of the string or may be divided into a plurality of segments.

  FIG. 19 shows an example of a second piece that is a part of a decorative article piece according to the third embodiment of the present invention, (a) is a plan view, (b) is a front view, and (c). Is a right side view.

  As shown in FIG. 15 (b), the second piece 2 shown in FIGS. 19 (a) to 19 (c) has a plate-like portion on the upper side and downward from both ends when viewed from the front side of the second piece. Between the part forming the end face 22 of the extending second piece and the part forming the end face 22 of the second piece at both ends, the cutout-like accommodation part 24 is formed from the accommodation part 24 toward the end face 22 of the second piece. And a pin engaging portion 23 formed of a hole.

  Further, the front surface 20 of the second piece 2 is formed so as to have a curved surface substantially the same as the semicircular protrusion formed on the front surface 10 of the first piece 2 when the second piece 2 is accommodated in the recess 16. It is preferable that the article piece 70 bends smoothly.

  Further, when the pin engaging portion 23 is formed so as to be located near the center of the semicircular convex of the front surface 10 of the first piece 1 when the second piece 2 is accommodated in the concave portion 16, the ornament piece 70 is preferred because it bends smoothly.

  Further, when the second piece 2 which is the third embodiment of the present invention shown in FIGS. 19A to 19C is assembled to the ornamental piece 70, the connector 3 is accommodated in the accommodating portion 24. The first piece 1 is accommodated in the recess 16. When the front surface 21 of the second piece 2 slides with the rear surface 11 of the first piece 1, the second piece front surface 21 is made to be a mirror surface or a smooth surface with little unevenness, and is less likely to be damaged, thereby improving durability. Is preferred.

  Moreover, although the cross section of the accommodating part 24 is notched in FIG.19 (b), as another example, when the connector 3 is string shape, even if it matches with the string cross section shape. Well, you may divide into multiple.

  Next, FIGS. 20-1 to 20-3 show an example of a method for assembling the ornament piece according to the third embodiment of the present invention, and FIG. 20-1 (a) shows the connecting case and the second piece on the watch case. It is sectional drawing seen from the upper surface side which shows the state before attaching a 1st piece, and (b) is sectional drawing in the FF 'line of (a). FIG. 20-2 (a) is a cross-sectional view seen from the upper surface side showing a state in which the connecting tool and the second piece are assembled to the watch case and the fixing tool is inserted into the pin engaging portion and the pin hole. FIG. 6 is a cross-sectional view taken along line FF ′ in FIG. FIG. 20-3 (a) assembles the connecting tool and the second piece into the watch case, inserts the fixing tool into the pin engaging portion and the pin hole, and houses the second piece in the concave portion on the left side of the first piece. It is sectional drawing seen from the upper surface side which shows the state before accommodating the following 2nd piece in the recessed part of the right side of 1st piece, (b) is sectional drawing in the FF 'line of (a).

  20 (a) to 20 (c) show an example of a method of assembling the ornamental piece 70 according to the third embodiment of the present invention, and each (a) shows the ornamental piece 70 from the top. FIG. 5B is a sectional view of the first piece 1 taken along line AA ′, the second piece 2 taken along line BB ′, and the watch case 5 taken along line CC ′ in FIG. A plane of the connector 3 is shown. Note that (b) is a cross-sectional view taken along line EE ′ of (a).

  First, as shown in FIG. 20A, the assembly method is such that the connector 3 is inserted into the slit 54 of the watch case 5 so that the second piece 2 is accommodated in the accommodating portion 24. The connector 3 is moved from the end of the connector 3 toward the watch case recess 53, and then the front piece 10 is directed to the watch case 5 so that the first piece 1 is accommodated in the through hole 17. Moving. At this time, the watch case 5 is formed with a recess for fitting the protrusion formed on the front face 10 of the first piece 1.

  Secondly, as shown in FIG. 20-2, the second piece 2 is assembled to the watch case recess 53, the position is determined so that the pin engaging portion 23 and the pin hole 32 communicate with each other, and the pin 4 is engaged with the fixing tool 4. The joint portion 23 and the pin hole 32 are inserted.

  Thirdly, as shown in FIG. 20-3, the first piece 1 is moved toward the watch case 5, the second piece 2 is accommodated in the recess 16, and the next second piece 2 is moved to the first piece 1. The position is determined so that the pin engaging portion 23 and the pin hole 32 communicate with each other, and the second piece 2 and the connector 3 are engaged with the fixture 4 in the same manner as described above. . By repeating these steps, the first piece 1, the second piece 2, the connecting tool 3, the fixing tool 4, and the watch case 5 are connected.

  Since the interval between the second pieces 2 is constrained by the fixture 4 and the fixture holder 31 in the ornament piece 70 connected in this way, the front piece 10 of the first piece 1 adjacent to the front and rear is arranged. It is possible to keep the clearance between the convex and the concave of the rear surface 11 uniform throughout the decorative piece 70. Thereby, even if the first piece 1 and the second piece 2 are made of ceramics, a large friction is repeatedly generated in a specific portion of the decorative piece 70, and the first piece 1 and the second piece 2 are damaged or worn. As a result, it is possible to prevent a problem that the life of the decorative piece 70 is reduced or the appearance is deteriorated.

  FIG. 21 shows an example of the shape after the ornamental piece of the present invention is assembled to the watch case, (a) a plan view, (b) a front view, and (c) a ornamental piece. They are the front view and the partial sectional view of the state which bent.

  The connecting tool 3 and the fixing tool 4 shown in FIGS. 21A to 21C are accommodated inside the first piece 1 and the second piece 2. Further, when the decorative piece 70 is wound around the wrist by providing a convex on the front face 10 of the first piece 1 and fitting a concave on the rear face 11, the connecting tool 3 is not visible when viewed from the upper surface side. In addition, the second piece 2 is less likely to be exposed from the gap A of the first piece 1 than in the first and second embodiments described above. Further, when viewed from the end face 22 side of the second piece 2, the fixture 4 is located inside the concave portion 16 of the first piece 1, so that the end of the fixture 4 is not exposed, and has a beautiful appearance. You can get piece 70.

  Thus, in the example of the third embodiment of the present invention, when the ornamental piece 70 is wound around the wrist, the second piece 2 is further visible from the gap A of the first piece 1 than in the above-described embodiment. It is possible to make the structure difficult, and the degree of freedom of design can be widened.

  Next, a manufacturing method in the case where ceramics are used for the first piece 1 and the second piece 2 constituting the ornamental piece 70 of the present invention will be described.

  As the ceramic used for the first piece 1 and the second piece 2 constituting the decorative article piece 70 of the present invention, known materials such as silicon carbide, alumina, zirconia containing a stabilizer, or cermet can be used.

  For example, a raw material in which 95% by mass of silicon carbide and 5% by mass of alumina as a sintering aid are mixed into a ball mill and pulverized to a predetermined particle size to produce a slurry, which is then spray dried using a spray dryer To form granules.

  Next, if the kneaded material obtained by putting the granules and the thermoplastic resin into a kneader and kneading while heating is put into a pelletizer, pellets as a raw material for injection molding (injection molding) can be obtained. it can. In addition, as a thermoplastic resin thrown into the kneader, an ethylene vinyl acetate copolymer, polystyrene, an acrylic resin, or the like may be added in an amount of about 10 to 25% by mass with respect to the mass of the ceramic. The heating temperature may be set to 140 to 180 ° C. The kneading conditions may be appropriately set according to the type and particle size of ceramics and the type of thermoplastic resin.

  Then, when the obtained pellets are put into an injection molding machine (injection molding machine) and injection molded, molded bodies that become the first piece 1 and the second piece 2 are obtained. At this time, the obtained molded body is usually accompanied by a runner in which excess raw materials obtained by injection molding are cooled and solidified, and therefore, they are cut before degreasing.

  The silicon carbide may be fired in a vacuum atmosphere or in an inert gas atmosphere such as argon or helium. The maximum temperature is 1900-2200 ° C., and the holding time at the maximum temperature is 1-5 hours. The black ceramics can be obtained.

  Furthermore, when the ceramics constituting the first piece 1 and the second piece 2 constituting the decorative piece 70 of the present invention are zirconia ceramics or alumina ceramics containing a stabilizer, they are used alone. In the case of coloring, a metal oxide such as iron oxide, cobalt oxide, chromium oxide or nickel oxide may be added as a pigment.

  For example, 95% by mass of zirconia containing yttria as a stabilizer is mixed at a ratio of 5% by mass of nickel oxide, and this raw material is put into a ball mill and pulverized to a predetermined particle size to produce a slurry, sprayed By spray-drying using a drier to form granules, throwing them into an injection molding machine and performing injection molding in the same manner as described above, a molded body that becomes the first piece 1 and the second piece 2 is obtained and fired. Blue-green ceramics are obtained.

  In order to obtain the shapes of the first piece 1 and the second piece 2 constituting the ornamental piece 70 of the present invention, the shapes of the first piece 1 and the second piece 2 are based on a general injection molding method. May be produced and placed in an injection molding machine for injection molding. Thereby, the first piece 1 and the second piece 2 having a desired shape can be easily obtained.

  Here, as firing conditions for zirconia ceramics and alumina ceramics, if the maximum temperature is set in the range of 1300 to 1500 ° C. in the atmosphere or vacuum atmosphere, and the holding time at the maximum temperature is 1 to 5 hours. Good.

  Furthermore, when cermet is used as the ceramic constituting the first piece 1 and the second piece 2 constituting the ornamental piece 70 of the present invention, titanium carbide or titanium nitride is the main component, and as a binder. Nickel or cobalt may be used, and molybdenum, chromium, or a carbide thereof may be added as a sintering aid.

  For example, 90% by mass of titanium nitride is mixed with 6% of nickel oxide, 2% by mass of chromium carbide and 2% by mass of molybdenum, and this raw material is put into a ball mill and pulverized to a predetermined particle size. A slurry is prepared, spray-dried using a spray dryer to form granules, put into an injection molding machine and injection-molded by the same method as described above, and the molded body that becomes the first piece 1 and the second piece 2 Is obtained, and when fired, a golden ceramic is obtained.

  In order to obtain the shapes of the first piece 1 and the second piece 2 constituting the ornamental piece 70 of the present invention, the shapes of the first piece 1 and the second piece 2 are based on a general injection molding method. May be produced and placed in an injection molding machine for injection molding. Thereby, the first piece 1 and the second piece 2 having a desired shape can be easily obtained.

  Here, as the firing conditions of the cermet, the maximum temperature may be set in a range of 1300 to 1500 ° C. in a vacuum atmosphere or an inert gas atmosphere, and the holding time at the maximum temperature may be 1 to 5 hours.

  As described above, when the ornament piece of the present invention is used to assemble the watch case 5, the end of the connecting pin and the head of the screw are not exposed on the side surface of the ornament piece 70, and the band is wound around the wrist. In some cases, it is possible to provide a decorative piece that is not easily chipped or worn even when the internal connection tool is not exposed from between the pieces and the piece is entirely made of ceramics.

1: First piece 2: Second piece 3: Connecting tool 4: Fixing tool 5: Watch case 6: Spacer
10: Front
11: Rear side
12: Side
13: Top surface
14: Bottom
15: Slope
16: Recess
17: Through hole
20: Front of second piece
21: The back of the second piece
22: End face
23: Pin engaging part
24: Containment section
30 ： Connector body
31: Fixture holder
32: Pin hole
52: Lid
53: Recessed watch case
54: Slit
60: Spacer recess
64: Spacer hole
70: Decorative piece

Claims (5)

A first piece, a second piece, a connecting member, and a fixing member for fixing the connecting member to the second piece, the first piece having a flat plate shape, from the front to the rear for housing the connecting member; A through-hole penetrating through and a recess on at least one of a front side and a rear side continuous with the through-hole for accommodating the second piece, wherein the second piece is columnar and the connecting tool is It has an accommodating part consisting of a hole or a notch for accommodating, and the connector is in the form of a band, string or chain,
The second piece is accommodated in the concave portion on the front side or the rear side of the first piece, and the coupling tool is fixed to the second piece with the fixture, and the through hole and the first piece of the first piece are fixed. A decorative piece, which is housed in the two housing portions. The fixture is a pin, and the connector has a pin hole into which the pin is inserted;
2. The ornamental piece according to claim 1, wherein the second piece has a pin engaging portion that engages with the pin inserted into the pin hole at both ends of the housing portion. The decorative article piece according to claim 2, wherein the pin engaging portion is a hole penetrating from the housing portion to an end surface of the second piece. The pin engaging portion is positioned inside the concave portion of one of the first pieces when the second piece is sandwiched between the adjacent first pieces and accommodated in the concave portion. The ornament piece described in 1. The ornament piece according to any one of claims 1 to 4, wherein the first piece and the second piece are made of ceramics.

Images