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CN107613804A - A kind of Wrist belt-type mobile device and its manufacture method - Google Patents

A kind of Wrist belt-type mobile device and its manufacture method Download PDF

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Publication number
CN107613804A
CN107613804A CN201580079935.6A CN201580079935A CN107613804A CN 107613804 A CN107613804 A CN 107613804A CN 201580079935 A CN201580079935 A CN 201580079935A CN 107613804 A CN107613804 A CN 107613804A
Authority
CN
China
Prior art keywords
wristband
wrist strap
mobile device
blank
cutting
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.)
Pending
Application number
CN201580079935.6A
Other languages
Chinese (zh)
Inventor
童恩东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Tatfook Technology Co Ltd
Original Assignee
Shenzhen Tatfook Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Tatfook Technology Co Ltd filed Critical Shenzhen Tatfook Technology Co Ltd
Publication of CN107613804A publication Critical patent/CN107613804A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A44HABERDASHERY; JEWELLERY
    • A44CPERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C5/00Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B47/00Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Adornments (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)

Abstract

A kind of Wrist belt-type mobile device (100) and manufacture method.The equipment body (10) of the mobile device (100) including metal material and with equipment body (10) integrally formed wrist strap (20).Wrist strap (20) is integrated.Wrist strap (20) includes band body (210) and the connection member (220) of wristband end.The mobile device (100) eliminates the appearance of tie point from structure, not only make it that equipment is more durable, and structural integrity is strong, and appearance and modeling is novel, creates an aesthetic feeling.

Description

Wrist strap type mobile equipment and manufacturing method thereof
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of machining, in particular to a wrist strap type mobile device and a manufacturing method thereof.
[ background of the invention ]
Wrist strap formula mobile device such as wrist-watch or intelligent bracelet generally comprises equipment principal and wrist strap to the wrist-watch is the example, and it comprises dial plate principal and watchband promptly, and the watchband can be divided into metal watchband and nonmetal watchband. The common metal watchband is generally formed by connecting dozens of steel chain links, adjacent chain links are connected together through a pin, and the watchband is connected with a dial plate through a clamping pin.
The watchband-dial plate structure is inevitably provided with more connecting points structurally, the connecting points are easy to break off when the watch is frequently used due to the existence of excessive connecting points, the structural integrity of the watchband and the dial plate is not compact and complete, and the appearance is not novel and aesthetic.
[ summary of the invention ]
The embodiment of the invention provides a wrist strap type mobile device and a manufacturing method thereof, which can improve the durability and the appearance aesthetic feeling of the device.
The embodiment of the invention provides wrist strap type mobile equipment which comprises an equipment main body made of metal materials and a wrist strap integrally formed with the equipment main body, wherein the wrist strap is of an integrated structure and comprises a wrist strap main body and a connecting part at the end part of the wrist strap.
Preferably, the device body and the wrist band are made of titanium alloy materials.
Preferably, the inner side of the band body is provided with a plurality of slits extending in a width direction thereof, and an opening of the slits is formed at the inner side of the band.
Preferably, the cross section of the cutting groove is T-shaped.
Preferably, the thickness of the band body ranges from 1.5mm to 3mm, and the thickness of the groove bottom ranges from 0.15mm to 0.3 mm.
Preferably, the wristband body comprises a section of titanium alloy thin layer, and a non-metal lining is fixed on the titanium alloy thin layer.
Preferably, the thickness of the wrist band body ranges from 1.5mm to 3mm, and the thickness of the titanium alloy thin layer ranges from 0.15mm to 0.3 mm.
Preferably, the wrist strap is a single-segment wrist strap, one end of the wrist strap and the device body are integrally formed, and the other end of the wrist strap and the device body can be fixedly connected through the connecting component.
Preferably, the wrist band is a two-segment wrist band, one end of the wrist band and the device body are integrally formed, and the other end of the wrist band and the device body can be fixedly connected with each other through the connecting component.
Preferably, the connecting part is a buckle, wherein the buckles of the two sections of wristbands are matched with each other, so that mutual buckle connection can be realized.
The embodiment of the invention also provides a manufacturing method of the wrist strap type mobile equipment, which comprises the following steps:
sintering and annealing the blank made of the metal material to prepare an equipment blank;
upsetting the equipment blank to obtain a blank with the shape of the equipment main body;
punching the blank in the shape of the belt device body to form an annular wristband;
the wrist strap is cut to form an openable opening.
Preferably, one of the blanks is a titanium alloy material.
Preferably, after the punching the blank in the shape of the band device body to form the wristband, the method further comprises:
a plurality of grooves extending in the width direction of the wristband are formed in the inner surface layer of the wristband.
Preferably, after the punching the blank in the shape of the band device body to form the wristband, the method further comprises:
cutting the inner side of the wrist strap to form a section of thin titanium alloy layer on the wrist strap;
and embedding a non-metal lining at the titanium alloy thin layer.
Preferably, said cutting said wristband so that said wristband has an openable and closable opening comprises:
and cutting the middle part of the wrist strap, and cutting the wrist strap into two sections.
Preferably, said cutting said wristband so that said wristband has an openable and closable opening comprises:
and cutting the end part of the wrist strap to separate one end of the wrist strap from the equipment main body.
Preferably, the method further comprises:
and processing a connecting part at the end part of the opening.
Preferably, the upsetting of the device blank includes:
and carrying out the following steps on the metal pier materials according to the specification required by the wrist strap type mobile equipment: cutting, heading, accumulating, forming, chamfering, reducing and trimming.
The wrist strap type equipment and the manufacturing method provided by the embodiment of the invention are different from the traditional chain type wrist strap (watchband), the wrist strap with an integrated structure is adopted in the embodiment, the wrist strap and the equipment are integrally formed, the appearance of a connecting point is eliminated from the structure, the equipment is more durable, the structural integrity is strong, the appearance modeling is novel, and the appearance modeling is rich in aesthetic feeling.
[ description of the drawings ]
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a first schematic view of a structure of a wrist strap type mobile device according to an embodiment of the present invention;
fig. 2 is a second schematic view of a structure of a wrist strap mobile device according to an embodiment of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2;
fig. 4 is a third schematic view of a structure of a wrist strap mobile device according to an embodiment of the present invention;
fig. 5 is a first schematic flowchart of a manufacturing method of a wrist strap mobile device according to an embodiment of the present invention;
fig. 6 is a second schematic view illustrating a manufacturing method of a wrist strap mobile device according to an embodiment of the present invention;
fig. 7 is a third schematic view of a flowchart of a method for manufacturing a wrist strap mobile device according to an embodiment of the present invention.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a wrist-worn mobile device according to an embodiment of the present invention, and as shown in fig. 1, the wrist-worn mobile device 100 may include: the device body 10 and the wristband 20 are made of metal, wherein the device body 10 and the wristband 20 are integrally formed, the wristband 20 is of a unitary structure, and the wristband 20 includes a wristband body 210 and a connecting member 220 at an end of the wristband.
In this embodiment, wristband type mobile device 100 may be a watch, a smart bracelet, or the like, wherein different from a conventional chain type wristband (watchband), and the wristband integrated with the device in this embodiment have adopted an integrated structure, thereby eliminating the appearance of a connection point from the structure, and making the device more durable, and having strong structural integrity, novel appearance and aesthetic feeling.
In this embodiment, the device body 10 and the wrist band 20 are integrally formed by metal materials, but the wrist band type mobile device may further include an electronic module and a movement fixed inside the device body 10, and a screen and other components fixed on the surface of the device body, and these components are not limited to metal materials generally.
Preferably, the device body 10 and the wristband 20 are made of a titanium alloy material, and the wristband can be flexibly bent without breaking by utilizing excellent mechanical properties such as high fatigue strength and high toughness of the titanium alloy.
More preferably, Ti-1023 titanium alloy is used for the device body 10 and the wrist band 20, and Ti-1023 is a titanium alloy of approximately β type, which is widely used in the field of aviation, and has high strength, good fracture toughness, low forging temperature, and high resistance to tensile stress corrosion.
Preferably, the thickness of the wristband body 210 may be between 1.5mm and 3mm, for example, may be 2 mm.
The coupling member may be integrally formed with the band body, or may be fixedly attached to the end of the band body 210.
Referring to fig. 2 to 3, in one embodiment, in order to improve flexibility of the band body 210, the band body 210 is provided with a plurality of slits 230 extending in a width direction, and an opening 231 of the slits 230 is formed at an inner side of the band. The cutting groove 230 includes a bottom groove 231 and a straight groove 232, the bottom groove 231 extends along the width direction of the band body 210, and the straight groove 231 is vertically communicated with the bottom groove 231, and is led from the inner surface of the band body 210 to the bottom groove 231.
Preferably, the cross section of the slot 230 may be "T" shaped, and the thickness of the bottom of the slot (the thinnest portion of the wristband) may be between 0.15mm and 0.3mm, that is, the depth of the slot 230 may be about 0.9 times the thickness of the wristband body, although the specific depth of the slot 230 is not limited herein, and may be set by one skilled in the art according to actual circumstances.
Referring to fig. 4, in another embodiment, the band body 210 is formed with a thin titanium alloy layer 211, a non-metallic lining 212 is fixed on the thin titanium alloy layer 211, and the non-metallic lining 22 is preferably made of a soft material, such as plastic, leather, etc., to improve the comfort of the wearer and reduce the weight of the device.
Preferably, the thickness of the thin titanium alloy layer 211 is 0.15mm to 0.3mm, and the thickness of the non-metallic interlining 212 is approximately the thickness of the wristband body minus the thickness of the thin titanium alloy layer, so that the wristband is a uniform thickness whole after the non-metallic interlining is secured.
In one embodiment, the wrist band 20 may be a single band (not shown), that is, one end of the wrist band 20 is integrally formed with the apparatus body 10, and the other end is connected with a connecting part, and accordingly, the apparatus body has a corresponding connecting part, and the apparatus body and the wrist band may be fixedly connected to each other through the connecting part.
In another embodiment, as shown in fig. 1-3, the wristbands 20 may be two-piece, each wristband 20 having one end integrally formed with the device body and the other end connected to a connecting member 220, and the two-piece wristband 20 may be fixedly connected through the connecting member 220.
It should be noted that the connection parts 220 are all detachably fixed to enable the device to be taken off or put on the wrist.
For example, the connecting component may be a buckle, such as a clasp, a hidden buckle, a butterfly buckle, a belt snap, a folding safety buckle, a folding buckle, or a pin buckle. Taking the wrist strap as two segments as an example, the two segments of the wrist strap should be mutually matched to realize the snap connection.
Referring to fig. 5, fig. 5 is a schematic flow chart illustrating a manufacturing method of a wrist strap type mobile device according to an embodiment of the invention. As shown in fig. 5, the method may include the steps of:
501. sintering and annealing the blank made of the metal material to prepare an equipment blank;
preferably, the blank can be subjected to multiple times of sintering and annealing heat treatment, so that the stress of the blank is reduced, and the blank is convenient to process;
the hydrogen or nitrogen can be used for sintering to protect the atmosphere from oxidation, prevent certain metal elements from changing valence, and reduce the oxygen content by cooling protection;
502. upsetting the equipment blank to obtain a blank with the shape of the equipment main body;
for example, the step may specifically include: carrying out the following steps on the metal pier materials according to the specifications required by the wrist strap type mobile equipment: cutting, heading, accumulating, forming, chamfering, reducing, trimming and other processing operations;
503. punching the blank in the shape of the belt device body to form an annular wristband;
504. the wrist strap is cut to form an opening capable of being opened and closed.
Compared with the wrist strap type mobile equipment in the prior art, the wrist strap type mobile equipment obtained by the manufacturing method provided by the embodiment of the invention adopts the wrist strap with an integrated structure, and the wrist strap and the equipment are integrally formed, so that the appearance of connecting points is eliminated structurally, the equipment is more durable, the structural integrity is strong, the appearance is novel in shape, and the appearance is rich in aesthetic feeling.
Preferably, after step 504, the method further includes:
processing a connecting part at the end part of the opening; or,
the connecting member is attached to the open end.
Preferably, the blank is made of a titanium alloy material, and the manufactured equipment wrist strap can be flexibly bent without breaking by utilizing the excellent mechanical properties of the titanium alloy, such as high fatigue strength, high toughness and the like.
More preferably, Ti-1023 titanium alloy is adopted, and Ti-1023 is a titanium alloy close to β type, which is widely adopted in the field of aviation, and has the advantages of high strength, good fracture toughness, low forging temperature and strong tensile stress corrosion resistance.
Preferably, after step 504, steps of grinding, polishing, etc. may be further included to improve the aesthetic appearance of the wrist strap mobile device.
Referring to fig. 6, fig. 6 is a flowchart illustrating a manufacturing method of a wrist strap type mobile device according to an embodiment of the invention. As shown in fig. 6, the method may include the steps of:
601. sintering and annealing the blank made of the metal material to prepare an equipment blank;
preferably, the blank can be subjected to multiple times of sintering and annealing heat treatment, so that the stress of the blank is reduced, and the blank is convenient to process;
602. upsetting the equipment blank to obtain a blank with the shape of the equipment main body;
for example, the step may specifically include: carrying out the following steps on the metal pier materials according to the specifications required by the wrist strap type mobile equipment: cutting, heading, accumulating, forming, chamfering, reducing, trimming and other processing operations;
603. punching the blank in the shape of the belt device body to form an annular wristband;
604. forming a plurality of grooves extending in the width direction of the wristband in the inner surface layer of the wristband;
specifically, the inner surface layer of the wristband may be grooved by wire cutting so that the wristband has a plurality of grooves extending in the width direction thereof;
605. the wrist strap is cut to form an opening capable of being opened and closed.
Wherein step 605 may comprise:
cutting the middle part of the wrist strap, and cutting the wrist strap into two sections; or,
and cutting the end of the wrist strap to separate one end of the wrist strap from the main body.
Preferably, after step 605, the method may further include:
processing a connecting part at the end part of the opening; or,
the connecting member is attached to the open end.
Referring to fig. 7, fig. 7 is a flowchart illustrating a method for manufacturing a wrist strap type mobile device according to an embodiment of the present invention. As shown in fig. 7, the method may include the steps of:
701. sintering and annealing the blank made of the metal material to prepare an equipment blank;
preferably, the blank can be subjected to multiple times of sintering and annealing heat treatment, so that the stress of the blank is reduced, and the blank is convenient to process;
702. upsetting the equipment blank to obtain a blank with the shape of the equipment main body;
for example, the step may specifically include: carrying out the following steps on the metal pier materials according to the specifications required by the wrist strap type mobile equipment: cutting, heading, accumulating, forming, chamfering, reducing, trimming and other processing operations;
703. punching the blank in the shape of the belt device body to form an annular wristband;
704. cutting the inner side of the wrist strap to form a section of titanium alloy thin layer on the wrist strap;
705. embedding a non-metal lining in the titanium alloy thin layer;
706. the wrist strap is cut to form an opening capable of being opened and closed.
Wherein step 706 may comprise:
cutting the middle part of the wrist strap, and cutting the wrist strap into two sections; or,
and cutting the end of the wrist strap to separate one end of the wrist strap from the main body.
Preferably, after step 706, the method further includes:
processing a connecting part at the end part of the opening; or,
the connecting member is attached to the open end.
The wrist strap mobile device and the manufacturing method thereof provided by the embodiment of the present invention are described in detail above, and the principle and the embodiment of the present invention are explained in detail herein by applying specific examples, and the description of the above embodiments is only used to help understanding the method of the present invention and the core idea thereof; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims (18)

  1. The utility model provides a wrist strap formula mobile device which characterized in that, including the equipment main part of metal material and with equipment main part integrated into one piece's wrist strap, the wrist strap is the integral structure, the wrist strap includes wrist strap main part and the adapting unit of wrist strap tip.
  2. The wristband mobile device of claim 1, wherein the device body and wristband are of titanium alloy material.
  3. The wristband mobile device of claim 2, wherein the wristband body is provided at an inner side thereof with a plurality of slits extending in a width direction thereof, an opening of the slits being located at an inner side of the wristband.
  4. The wrist-worn mobile device of claim 3, wherein the slot is "T" shaped in cross-section.
  5. The wrist strap mobile device of claim 4, wherein the thickness of the wrist strap body ranges from 1.5mm to 3mm and the thickness of the slot bottom is from 0.15mm to 0.3 mm.
  6. The wristband mobile device of claim 2, wherein the wristband body comprises a length of titanium alloy sheet with a non-metallic inner lining affixed thereto.
  7. The wristband mobile device of claim 6, wherein the wristband body thickness ranges from 1.5mm to 3mm, the titanium alloy sheet thickness ranges from 0.15mm to 0.3 mm.
  8. The wristband mobile device of any one of claims 1 to 6, wherein the wristband is a single piece, one end of the wristband being integrally formed with the device body and the other end being fixedly connectable to the device body by the connecting means.
  9. The wristband mobile device of any one of claims 1 to 6, wherein the wristband is two-piece, the wristband being integrally formed with the device body at one end and fixedly connectable to each other by the connecting means at the other end.
  10. The wristband mobile device of claim 9, wherein the connecting means is a snap, wherein the snaps of two segments of the wristband mate with each other to enable a snap connection to each other.
  11. A method of manufacturing a wristband type mobile device, comprising:
    sintering and annealing the blank made of the metal material to prepare an equipment blank;
    upsetting the equipment blank to obtain a blank with the shape of the equipment main body;
    punching the blank in the shape of the belt device body to form an annular wristband;
    the wrist strap is cut to form an openable opening.
  12. The method of claim 11, wherein the billet is a titanium alloy material.
  13. The method of claim 12, wherein after said punching the blank in the shape of the tape apparatus body to form a wristband, the method further comprises:
    a plurality of grooves extending in the width direction of the wristband are formed in the inner surface layer of the wristband.
  14. The method of claim 12, wherein after punching the blank in the shape of the tape apparatus body to form a wristband, the method further comprises:
    cutting the inner side of the wrist strap to form a section of thin titanium alloy layer on the wrist strap;
    and embedding a non-metal lining at the titanium alloy thin layer.
  15. The method of any of claims 11-14, wherein said cutting said wristband such that said wristband has an openable aperture comprises:
    and cutting the middle part of the wrist strap, and cutting the wrist strap into two sections.
  16. The method of any of claims 11-14, wherein said cutting said wristband such that said wristband has an openable aperture comprises:
    and cutting the end part of the wrist strap to separate one end of the wrist strap from the equipment main body.
  17. The method according to any one of claims 11-14, further comprising:
    and processing a connecting part at the end part of the opening.
  18. The method according to any one of claims 11-14, wherein: the upsetting processing of the equipment blank comprises the following steps:
    and carrying out the following steps on the metal pier materials according to the specification required by the wrist strap type mobile equipment: cutting, heading, accumulating, forming, chamfering, reducing and trimming.
CN201580079935.6A 2015-08-07 2015-08-07 A kind of Wrist belt-type mobile device and its manufacture method Pending CN107613804A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2015/086374 WO2017024445A1 (en) 2015-08-07 2015-08-07 Mobile strap and method for manufacturing same

Publications (1)

Publication Number Publication Date
CN107613804A true CN107613804A (en) 2018-01-19

Family

ID=57982929

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201580079935.6A Pending CN107613804A (en) 2015-08-07 2015-08-07 A kind of Wrist belt-type mobile device and its manufacture method

Country Status (2)

Country Link
CN (1) CN107613804A (en)
WO (1) WO2017024445A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109008105B (en) * 2018-08-18 2020-10-02 深圳市信荣豪珠宝有限公司 Elastic gold product and manufacturing method thereof

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CN201022405Y (en) * 2007-02-05 2008-02-20 珠海精准电子有限公司 Double-layer watch watchband
CN201640726U (en) * 2010-01-15 2010-11-24 陈伟峰 Ring with hollow-out layer
CN202286625U (en) * 2011-09-07 2012-07-04 得利钟表制品厂有限公司 Wrist band
CN104139141A (en) * 2014-06-30 2014-11-12 贵州安大航空锻造有限责任公司 Equiaxed grain forging forming method for titanium alloy ring piece
CN104148554A (en) * 2014-06-30 2014-11-19 贵州安大航空锻造有限责任公司 Titanium alloy and annular titanium alloy forge piece forming method
CN104282848A (en) * 2013-07-07 2015-01-14 许振宇 Flexible battery structure
WO2015100404A1 (en) * 2013-12-24 2015-07-02 Polyera Corporation Support structures for a flexible electronic component
CN204519586U (en) * 2015-01-21 2015-08-05 王鲲 One-piece hardware smart bracelet

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US20070130813A1 (en) * 2005-12-09 2007-06-14 Benjamin Stacy Photo wrist band
JP2010148556A (en) * 2008-12-24 2010-07-08 Teizo Miyata Decorative article using light emitting display part capable of displaying curved surface for belt part or ring part
CN203776265U (en) * 2014-04-25 2014-08-20 广东欧珀移动通信有限公司 Bracelet
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CN104281046A (en) * 2014-10-13 2015-01-14 深圳市宝尔爱迪科技有限公司 Wearable device

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Publication number Priority date Publication date Assignee Title
AT364557B (en) * 1978-12-07 1981-10-27 Wesiak Hubert CLOCKBAND
JP2005000432A (en) * 2003-06-12 2005-01-06 Seiko Epson Corp Watch band and watch having the same
CN201022405Y (en) * 2007-02-05 2008-02-20 珠海精准电子有限公司 Double-layer watch watchband
CN201640726U (en) * 2010-01-15 2010-11-24 陈伟峰 Ring with hollow-out layer
CN202286625U (en) * 2011-09-07 2012-07-04 得利钟表制品厂有限公司 Wrist band
CN104282848A (en) * 2013-07-07 2015-01-14 许振宇 Flexible battery structure
WO2015100404A1 (en) * 2013-12-24 2015-07-02 Polyera Corporation Support structures for a flexible electronic component
CN104139141A (en) * 2014-06-30 2014-11-12 贵州安大航空锻造有限责任公司 Equiaxed grain forging forming method for titanium alloy ring piece
CN104148554A (en) * 2014-06-30 2014-11-19 贵州安大航空锻造有限责任公司 Titanium alloy and annular titanium alloy forge piece forming method
CN204519586U (en) * 2015-01-21 2015-08-05 王鲲 One-piece hardware smart bracelet

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Application publication date: 20180119