CN202298104U - High-head sewing machine with three rotating shuttles - Google Patents
High-head sewing machine with three rotating shuttles Download PDFInfo
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- CN202298104U CN202298104U CN2011202081787U CN201120208178U CN202298104U CN 202298104 U CN202298104 U CN 202298104U CN 2011202081787 U CN2011202081787 U CN 2011202081787U CN 201120208178 U CN201120208178 U CN 201120208178U CN 202298104 U CN202298104 U CN 202298104U
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Abstract
The utility model discloses a high-head sewing machine with three rotating shuttles, which can be used for forming three suture lines for one time. The sewing machine comprises a base and a machine head which is fixedly arranged on the base, wherein a hollow cylinder is fixedly arranged on the base. Three sewing needles driven by a needle rod are arranged on the machine head. The cylinder is located below the sewing needles and comprises a main body for containing the rotating shuttles and a cover body covered on the upper end opening of the main body, wherein the three rotating shuttles in a triangle shape are arranged in the cavity of the main body, and three needle holes for the three sewing needles to pass through are arranged in the cover body. With the adoption of the technical scheme disclosed by the utility model, the three independent suture lines are formed after sewing in a one-to-one manner. If any one of the suture lines is broken, the other two suture lines are not influenced, so as to enhance the stability and the strength of sewing. The high-head sewing machine is particularly applicable to product sewing, such as shoes and leather bags.
Description
Technical field:
The utility model relates to the sewing machine technique field, refers in particular to the high Sewing machines of a kind of can disposable formation three roads sutural three rotating shuttles.
Background technology:
Make the general industrial sewing machines that adopt such as leather shoes, suitcase, toy at present and carry out, to obtain high efficiency and the firm effect of making.A high Sewing machines is a kind of industrial sewing machine of using always, it comprise the high hair style of center pillar, horizontal type tubular high first two.The high Sewing machines of middle pillar is that board is provided with column, and the high Sewing machines of horizontal type tubular is that column is set on column casing.The Sewing machines of height in any shape, its column upper end is provided with the shuttle body.Head is positioned at the column top, and sewing needle up and down reciprocatingly moves under head drives, and cooperates the completion sewing operation with the shuttle body.Sewing machines in the course of the work, the shuttle body need cooperate with sewing needle, accomplishes the operation of hook line.
When fabric was sewed up, in order to improve the tightness of stitching, anti-principal vertical line body came off, and need repeatedly sew up usually, promptly carried out secondary, sewed up for three times.Adopt one group needlework to sew up because an at present high Sewing machines more, a shuttle body promptly is set in column.This Sewing machines is the sewing process that can't realize once accomplishing the multiple tracks sewing thread.Traditional way is repeatedly sewed up operation exactly.But this suture way not only efficient is low, and is difficult to guarantee that the suture that the front and back stitching forms is parallel to each other, and causes suture distortion, distortion, and is very not attractive in appearance.
To the problems referred to above,, just need on head, increase by two or three sewing needles in order to realize that once sewing up operation can produce the multiple tracks suture.For example, Sewing machines is provided with two sewing needles, and a shuttle body is set in the column usually, promptly adopts a shuttle body to cooperate with two sewing needles simultaneously.In addition, also can adopt a shuttle body to cooperate in theory with three sewing needles, but this structure fluctuation of service, general not employing.
Above-mentioned employing be the structure (i.e. the structure of the corresponding many sewing needles of rotating shuttle) of one-to-many, it exists maximum problem to be exactly, owing to three groups of sewing threads all adopt a shuttle body; After fabric is sewed up like this; The surface is to have three to suture, but bottom line (being shuttle body interior lines) is all from same shuttle body, like this after bottom line ruptures; Whole sewing thread all will produce the situation of off-line, and it can't reach the purpose that multiple tracks is sewed up at all.Best mode is to adopt " one to one " mode, i.e. the corresponding sewing needle of shuttle body." one to one " though benefit is obvious, it is very difficult that a plurality of shuttle bodies are set in a column.At present, also can't realize being provided with simultaneously in the column three shuttle bodies, this also is can't realize at present because how to make three shuttle bodies work alone and can not produce interference also not only because the column inner space is limited.
The inventor is devoted to develop an a kind of height Sewing machines with three rotating shuttles always, once proposes the technical scheme of the high Sewing machines of three rotating shuttles, but all exists many imperfections local, and the inventor is through making great efforts for many years, and is constantly perfect, finally proposes the utility model.
The utility model content:
The utility model technical problem to be solved is exactly the deficiency that overcomes prior art, and the high Sewing machines of three rotating shuttles of a kind of employing " one to one " mode is provided.
For solving the problems of the technologies described above; The utility model has adopted following technical scheme: this Sewing machines comprises support and is fixed on the head on the support; Wherein, on support, be fixed with the column casing of a hollow, be provided with three sewing needles that drive through shank in head; Described column casing is positioned at the sewing needle below; Described column casing comprises main body that is used for ccontaining rotating shuttle and the lid that is covered on the main body port, wherein is provided with three in the cavity of main body and is the rotating shuttle that " article " font distributes, and on lid, offers and supplies three three pin holes that sewing needle passes.
Furthermore; In the technique scheme; The position of corresponding three rotating shuttles of the main center of described column casing is respectively arranged with three draw-in grooves, and the card base of three rotating shuttles falls into respectively in these three draw-in grooves, and the central area that these three draw-in grooves enclose forms convexity downwards.
Furthermore; In the technique scheme, described column casing is fixed on pedestal top, and described three rotating shuttles are installed in respectively in three rotating shafts; These three rotating shaft centers are provided with the main shaft with Sewing machines driving mechanism interlock, and main shaft drives three rotating shaft operations through gear drive.
Furthermore, in the technique scheme, be provided with a driving lever in each rotating shuttle side, this driving lever is articulated on the column casing, its upper end be formed with one be used to stir rotating shuttle kink, its lower end and the rotating shaft interlock that drives rotating shuttle.
Furthermore, in the technique scheme, be provided with a pressing plate between described lid and the main body, described three draw-in grooves take shape on this pressing plate; Wherein, the position of corresponding three rotating shuttles of pressing plate offers three through holes, and these three through holes are formed with described three draw-in grooves near three's central area one side, and described protruding corresponding three draw-in grooves are formed with three guide surfaces.
Furthermore; In the technique scheme; Described platen edge offers locating hole and fixing hole, offers alignment pin corresponding with locating hole and fixing hole and installing hole in the main body upper end of column casing, through screw and cooperating of fixing hole and installing hole pressing plate being fixed on the main body upper end.
Furthermore, in the technique scheme, also offer fourth hole on the described pressing plate, on lid, offer feedhole; In main body, be provided with feed mechanism, this feed mechanism comprises: with the connecting rod of driving mechanism interlock and after being fixed on the connecting rod top and passing fourth hole, be positioned at the feeding dental lamina of feedhole on the lid.
Furthermore, in the technique scheme, the connecting rod lower end of described feed mechanism and drive unit interlock, its upper end has a horizontal kink, and described feeding dental lamina is shaped in the end of kink.
Furthermore, in the technique scheme, described three rotating shuttles are isosceles triangle and distribute, and it comprises big rotating shuttle that is positioned at drift angle and the equal little rotating shuttle that is positioned at two base angles.
Furthermore, in the technique scheme, the side that is positioned at shank on the described head is provided with a pinch roller.
After the utility model adopts technique scheme; Because its " one to one " mode that adopts; Promptly the corresponding rotating shuttle of sewing needle will form three independently sewing threads after sewing up like this, and fracture appears in any seam zygonema all can not constitute influence to other twice sutures; So just strengthen stability and the intensity sewed up, be specially adapted to the stitching of products such as shoes, suitcase.In addition, the utility model is once sewed up and is produced three road sutures simultaneously because the position of pin hole is changeless, so this three roads suture evenly distribute, specious, can not produce artificial torsional deformation.
The utility model not only can be used for a high Sewing machines, and it can also be used for other relevant types such as horizontal type tubular Sewing machines.
Description of drawings:
Fig. 1 is the utility model overall structure sketch map;
Fig. 2 is the stereogram of column casing part in the utility model;
Fig. 3 is the front view of column casing internal structure in the utility model;
Fig. 4 is the stereogram of column casing in the utility model;
Fig. 5 is the stereogram that the column casing part cooperates with sewing needle in the utility model;
Fig. 6 is the stereogram of the reverse side of the utility model pressing plate;
Fig. 7 is the rotating shaft distributed architecture sketch map that the utility model drives rotating shuttle;
Fig. 8 is that sketch map is joined in the commentaries on classics of driving lever in the utility model;
Fig. 9 is the work sketch map of rotating shuttle in the utility model;
Figure 10 is the distribution schematic diagram of three rotating shuttles and pin hole in the utility model;
Figure 11 is that the utility model is sewed up the stitching track sketch map that forms;
Figure 12 is the sketch map of the stitching track that forms of the stitching of another embodiment of the utility model;
Figure 13 is the sketch map that the utility model is applied in horizontal type tubular Sewing machines.
The specific embodiment:
Below in conjunction with accompanying drawing the utility model is further described:
See shown in Figure 1ly, the utility model is a kind of high Sewing machines, and it comprises: support 11 and be fixed on the head 12 on the support 11.
Lower end extended spot one shank 13 of head 12, this shank 13 and transmission mechanism interlock are realized operation up and down.On shank 13, be fixed with three and be the sewing needle 10 that " article " font is arranged.
Side at shank 13 also is provided with a pinch roller 14, and this pinch roller 14 can cooperate the presser feet (scheming not shown) of the utility model to realize by the compressing of serving textile, feeding.
Referring to Fig. 2-7, on support 11, be fixed with the column casing 2 of a hollow.This column casing 2 be positioned at head 12 under.Column casing 2 comprises: main body 4 and lid 5, wherein main body 4 have can ccontaining rotating shuttle cavity, lid 5 lids are located at main body 4 open upper end places.On lid 5, offer three pin holes 50 and the feedhole 51 that be positioned at pin hole 50 sides corresponding with sewing needle 10.Column casing 2 is fixed on the pedestal 21, and three rotating shafts 300 that are used to drive three rotating shuttles and drive the rotating shuttle that cooperates with it respectively in pedestal 21 upwards gos deep into main body 4.
Three rotating shuttles are installed in the cavity of main body 4, and three rotating shuttles are the distribution of " article " font.The pin position that three rotating shuttles cooperate with sewing needle 10 is all near the center.The space that such three pin holes 50 occupy just can realize minimizing.
See shown in Figure 7ly, in the present embodiment, described three rotating shuttles are installed in respectively in three rotating shafts 300, and these three rotating shaft 300 centers are provided with the main shaft 30 with Sewing machines driving mechanism interlock, and main shaft 30 drives three rotating shafts, 300 operations through gear drive.I.e. three rotating shafts 300 realize synchronous operation through main shaft 30.
Three rotating shuttle sides all are equipped with the driving lever 9 of interlock with it; Referring to Fig. 8, be articulated on the column casing 2 in the middle of this driving lever 9, its upper end is formed with a kink 91; Cam drive mode and rotating shaft 300 interlocks that drive rotating shuttle are adopted in its lower end 92, and realize swinging the function of dialling line.Concrete structure is: fixing cam in rotating shaft 300; Driving lever 9 lower ends 92 have a fixture block that cooperates with cam; When the work of drive rotating shuttle was rotated in rotating shaft 300, the fixture block that cam also will promote to cooperate was with it realized swing, 9 swings of drive driving lever; Thereby realize kink 91 and rotating shuttle interlock, realize group line function rotating shuttle.
One feed mechanism 8 also is installed in main body 4, and this feed mechanism 8 comprises: connecting rod 81 and feeding dental lamina 82, connecting rod 81 can adopt integrated mode to make with feeding dental lamina 82.Connecting rod 81 lower ends of feed mechanism 8 and the drive unit interlock of this Sewing machines, its upper end has a horizontal kink 811, and described feeding dental lamina 82 is shaped in the end of kink 811.Swing through Sewing machines support 11 inner transmission mechanism drivening rods 81, realize swing thereby drive feeding dental lamina 82, to accomplish the function of feeding.
Be provided with a pressing plate 6 in the utility model between lid 5 and the main body 4.The position of corresponding three rotating shuttles offers three irregular through holes 61,62,63 on the pressing plate 6, and these three through holes 61,62,63 are formed with draw-in groove 611,621,631 respectively near position, three central area.Referring to Fig. 3, form card base 31,32,33 and DIP 311,321,331 on three rotating shuttles respectively.Wherein, three card bases fall into respectively in these three draw-in grooves 611,621,631.Simultaneously, these three draw-in grooves, 611,621,631 ends will be distinguished corresponding three pin holes 10.Sewing needle 10 will insert in the corresponding with it draw-in groove after passing pin hole 50 during work.Because card base is slightly less than draw-in groove, under rotating shuttle self-acting power, card base will seal a side of draw-in groove, and the interior bottom line of rotating shuttle this moment can't be by breaking away from the draw-in groove.In conjunction with Fig. 9, describe with one of them rotating shuttle 301, when rotating shuttle 301 work; When the shuttle body in the rotating shuttle rotates; The kink 91 of driving lever 9 will drive down rotating shuttle DIP 311 to be formed and stir in rotating shaft 300, drive card base 31 like this and form and move opening of side formation of card base 31 sealing draw-in grooves 611; Bottom line just can be accomplished the action of hook suturing with thread management by breaking away from the draw-in groove 611.
Above-mentioned three through holes 61,62,63 central areas extend to form a convexity 60 downwards, and the direction of these convexity 60 corresponding three draw-in grooves 611,621,631 is formed with guide surface 612,622,632 respectively.Why be provided with protruding 60 and guide surface, this be because, because three pin holes 50 are too near at interval; When three groups of shuttle bodies that cooperatively interact and sewing needle work; Be entangled with each other for fear of each group sewing thread, influence normal sewing work, downward convexity 60 is set in pressing plate 6 centers; And should convexity the direction of 60 corresponding each draw-in groove be formed with corresponding guide surface respectively; The line body will get into pin hole through guide surface, just can not be entangled with each other, interfere with regard to three groups of line bodies like this, guarantee that sewing operation accomplishes smoothly.
On pressing plate 6, also offer fourth hole 64, this fourth hole 64 is used for the assembling of feed mechanism 8.The connecting rod 81 of feed mechanism 8 stretches out through hole fourth hole 64, and fourth hole 64 should keep enough spaces, can swing smoothly to guarantee connecting rod 81, and the restriction that is unlikely to receive fourth hole 64.Connecting rod 81 is through self bending, and feeding dental lamina 82 is suspended at the upper area of protruding 60 positions, and reveals through the feedhole on the lid 5 51.During the utility model work, the material that promotes to be sewed up is advanced in feeding dental lamina 82 operation under connecting rod 81 drives.
The zone, center offers three pin holes 50 on the lid 5, and offers the feedhole 51 that feed material dental lamina 82 appears at pin hole 50 sides.Can trouble-free operation for the driving lever 9 that makes feeding dental lamina 82 and rotating shuttle 3 sides, lid 5 is a pot cover moulding of upwards heaving, and its zone of offering pin hole 50 and feeding dental lamina 82 is a plane.Certainly, can also offer corresponding grooves at lid 5 inner faces, for reserving more space, feed material dental lamina 82 and driving lever 31 have enough activity spaces.
Described pressing plate 6 edges offer locating hole 65 and fixing hole 66; Offer the alignment pin 44 and installing hole 45 corresponding with locating hole 65 and fixing hole 66 in main body 4 upper ends of column casing 2, through screw with fixing hole 66 with cooperating of installing hole 45 pressing plate 6 is fixed on main body 4 upper ends.
Above-mentioned pressing plate 6 adopts screw to be fixed on the edge of main body 4, and for fear of on main body 4, offering too much screwed hole, lid 5 adopts the buckle mode to be fixed on pressing plate 6 tops.Concrete structure is: the both sides of lid 5 are provided with screens 52, are provided with the buckle 43 corresponding with screens 52 in the both sides of main body 4.
In the foregoing description, lid 5 adopts the mode of moulding respectively to make with pressing plate 6, also can pressing plate 6 and lid 5 is one-body molded.
See Figure 10,11, described three rotating shuttles are isosceles triangle and distribute, and it comprises big rotating shuttle 301 that is positioned at drift angle and the equal little rotating shuttle 302,303 that is positioned at two base angles.Why adopting this structure is to sew up the sutural aesthetics in back in order to improve.Because the distribution of three sewing needles 10 is corresponding with the distribution of rotating shuttle, and the rotating shaft that drives three rotating shuttles is equilateral triangle and distributes, so three sewing needles 10 also should adopt the equilateral triangle distribution in theory.But there is a shortcoming that is difficult to overcome in this distributed architecture.See shown in Figure 12ly, this is the track sketch map when being three sewing needles that equilateral triangle distributes and sewing up, when stitching is straightaway; Article three, suture A, B, C are parallel to each other; If but sew up when occurring turning, can find out that obviously it is big that the spacing of suture A and B becomes; Spacing between B and the C is dwindled, and then comes from sewing needle and is the cause that equilateral triangle distributes.In theory, if three sewing needle straight line equal portions are arranged, then no matter be the sewing or turn sewing of keeping straight on, the spacing between three sutures can not change.But as noted earlier, the distribution of three sewing needles 10 is corresponding with the distribution of rotating shuttle, distributes so it can't be implemented in straight line.The inventor is in order to overcome this problem; Big rotating shuttle 301 and the structure that cooperates two little rotating shuttles 302,303 have been adopted; So just three rotary shuttle hook line positions (position that promptly cooperates with sewing needle) form the isosceles triangle distribution in addition; Improve the distribution of three sewing needles as far as possible, make three suture A, B, the changes in spacing of C in the turning process reduce as far as possible, sew up the attractive in appearance of track to improve.
After the utility model adopts technique scheme; Because its " one to one " mode that adopts; Promptly the corresponding rotating shuttle of sewing needle will form three independently sewing threads after sewing up like this, and any one backstitches zygonema appearance fracture all can not constitute influence to other twice sutures; So just strengthen stability and the intensity sewed up, be specially adapted to the stitching of products such as shoes, suitcase.In addition, the utility model is once sewed up and is produced three road sutures simultaneously because the position of pin hole is changeless, so this three roads suture be parallel to each other, and attractive in appearance, can not produce artificial torsional deformation.
See shown in Figure 13ly, the utility model not only can be used for a high Sewing machines, and it can also be used for the type of horizontal type tubular Sewing machines 7.
Certainly; The above only is the embodiment of the utility model; Be not to limit the utility model scope, all equivalences of doing according to the described structure of the utility model claim, characteristic and principle change or modify, and all should be included in the utility model claim.
Claims (10)
1. the high Sewing machines of a rotating shuttle; It comprises: support (11) and be fixed on the head (12) on the support (11); Wherein, on support (11), be fixed with the column casing (2) of a hollow, be provided with three sewing needles (10) that drive through shank (13) in head (12); Described column casing (2) is positioned at sewing needle (10) below; It is characterized in that: described column casing (2) comprises the main body (4) that is used for ccontaining rotating shuttle and is covered on the lid (5) of main body (4) port, wherein is provided with three in the cavity of main body (4) and is the rotating shuttle that " article " font distributes, and on lid (5), offers three pin holes (50) that supply three sewing needles (10) to pass.
2. the high Sewing machines of a kind of three rotating shuttles according to claim 1; It is characterized in that: the position of corresponding three rotating shuttles in main body (4) center of described column casing (2) is respectively arranged with three draw-in grooves (611,621,631); The card base of three rotating shuttles (31,32,33) falls into respectively in these three draw-in grooves (611,621,631), and the central area that these three draw-in grooves (611,621,631) enclose forms convexity (60) downwards.
3. the high Sewing machines of a kind of three rotating shuttles according to claim 2; It is characterized in that: described column casing (2) is fixed on a pedestal (21) top; Described three rotating shuttles are installed in respectively in three rotating shafts (300); This three rotating shafts (300) center is provided with the main shaft (30) with Sewing machines driving mechanism interlock, and main shaft (30) drives three rotating shafts (300) operation through gear drive.
4. the high Sewing machines of a kind of three rotating shuttles according to claim 3; It is characterized in that: be provided with a driving lever (9) in each rotating shuttle side; This driving lever (9) is articulated on the column casing (2); Its upper end be formed with one be used to stir rotating shuttle kink (91), its lower end (92) and rotating shaft (300) interlock that drives rotating shuttle.
5. according to any high Sewing machines of described a kind of three rotating shuttles among the claim 2-4, it is characterized in that: be provided with a pressing plate (6) between described lid (5) and the main body (4), described three draw-in grooves (611,621,631) take shape on this pressing plate (6); Wherein, The position of corresponding three rotating shuttles of pressing plate (6) offers three through holes (61,62,63); These three through holes (61,62,63) are formed with described three draw-in grooves (611,621,631) near three's central area one side, and corresponding three draw-in grooves of described convexity (60) (611,621,631) are formed with three guide surfaces (612,622,632).
6. the high Sewing machines of a kind of three rotating shuttles according to claim 5; It is characterized in that: described pressing plate (6) edge offers locating hole (65) and fixing hole (66); Offer alignment pin (44) corresponding and installing hole (45) in main body (4) upper end of column casing (2), through screw and cooperating of fixing hole (66) and installing hole (45) pressing plate (6) being fixed on main body (4) upper end with locating hole (65) and fixing hole (66).
7. the high Sewing machines of a kind of three rotating shuttles according to claim 5 is characterized in that: also offer fourth hole (64) on the described pressing plate (6), on lid (5), offer feedhole (51); In main body (4), be provided with feed mechanism (8), this feed mechanism (8) comprising: with the connecting rod (81) of driving mechanism interlock and be fixed on connecting rod (81) top and pass fourth hole (61) back, be positioned at the feeding dental lamina (82) that lid (5) is gone up feedhole (51).
8. the high Sewing machines of a kind of three rotating shuttles according to claim 7; It is characterized in that: connecting rod (81) lower end and the drive unit interlock of described feed mechanism (8); Its upper end has a horizontal kink (811), and described feeding dental lamina (82) is shaped in the end of kink (811).
9. the high Sewing machines of a kind of three rotating shuttles according to claim 1 is characterized in that: described three rotating shuttles are isosceles triangle and distribute the equal little rotating shuttle (302,303) that it comprises the big rotating shuttle (301) that is positioned at drift angle and is positioned at two base angles.
10. the high Sewing machines of a kind of three rotating shuttles according to claim 1, it is characterized in that: the side that is positioned at shank (13) on the described head (12) is provided with a pinch roller (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202081787U CN202298104U (en) | 2011-06-20 | 2011-06-20 | High-head sewing machine with three rotating shuttles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202081787U CN202298104U (en) | 2011-06-20 | 2011-06-20 | High-head sewing machine with three rotating shuttles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202298104U true CN202298104U (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202081787U Expired - Fee Related CN202298104U (en) | 2011-06-20 | 2011-06-20 | High-head sewing machine with three rotating shuttles |
Country Status (1)
| Country | Link |
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| CN (1) | CN202298104U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113529286A (en) * | 2021-07-07 | 2021-10-22 | 江苏勤裕鼎环保科技有限公司 | Three-thread sewing machine for manufacturing filter bag |
-
2011
- 2011-06-20 CN CN2011202081787U patent/CN202298104U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113529286A (en) * | 2021-07-07 | 2021-10-22 | 江苏勤裕鼎环保科技有限公司 | Three-thread sewing machine for manufacturing filter bag |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20150620 |
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| EXPY | Termination of patent right or utility model |