CN101934823B - Hole plug - Google Patents
Hole plug Download PDFInfo
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- CN101934823B CN101934823B CN201010216076.XA CN201010216076A CN101934823B CN 101934823 B CN101934823 B CN 101934823B CN 201010216076 A CN201010216076 A CN 201010216076A CN 101934823 B CN101934823 B CN 101934823B
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- stopple
- shaped member
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- opening
- extension
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Abstract
The present invention provides a hole plug (10), capable of preventing sealing property from reducing due to a welding line (31) generated on an annular meltable member (30) composed of thermal softening resin. The hole plug includes a hole plug main body (20) having a cover flange part (21) for covering an opening (2) arranged on a plate-shaped member (1); and the annular meltable member (30) arranged between the plate-shaped member (1) and the cover flange part (21) and composed of the thermal softening resin, which is fused by heating so as to seal between the plate-shaped member (1) and the cover flange part (21). The opening (2) arranged on the plate-shaped member (1) is of a slotted hole shape, the meltable member (30) is arranged on the surface of the plate-shaped member along the circumference of the opening (2), and an extending part (22) is projected from a lateral margin of a portion corresponding to a long rim (2b) of the opening (2). The projecting portion of the extending part (32) is the lateral margin of the portion for generating the welding line (31) when the resin is shaped.
Description
Technical field
The present invention relates to a kind of stopple of opening obturation such as being formed on the plate-shaped member of automobile.
Background technology
Such as, on the plate-shaped member such as body panels of automobile, form the multiple openings used in assembly process etc.As for the stopple by above-mentioned opening obturation, the stopple adopting following structure is Patent Document 1 discloses following, that is, have: main body (3), it has the base portion (5) of the opening (2) of covering plate-shaped member (1); And the fusible parts of ring-type (4), it is made up of thermal softening resin.In addition, the label in parantheses directly quotes this label described in patent documentation 1.
Fusible parts (4) is configured between the base portion (5) of main body (3) and the opening edge of plate-shaped member (19), the melting by heating, thus seal between the base portion (5) of aforementioned body (3) and the opening edge of plate-shaped member (19).Then, fusible parts (4) cools and solidifies, and is fastened on the base portion (5) of main body (3) and plate-shaped member (19) each other.
In addition, stopple in citing document 1, in order to improve the bonding force of fusible parts (4), and there is following structure, that is, in the upper outside cylindrical portion (10) that formed of these parts (4), when heating, this outside cylindrical portion (10) melts, and the periphery to the base portion (5) in main body (3) is expanded, and guarantees sufficient bond area.
But, because outside cylindrical portion (10) are formed as the ring-type with the annulus of fusible parts (4) (11) one, so for outside cylindrical portion (10), when resin forming, produce weld bond because of the flowing interflow of molten resin in mould.
As the fusible parts of the ring-type be made up of thermal softening resin of hole plug structure parts, when carrying out heating and melting, shrinkage cavity may be produced along weld bond, the sectional area at this position is reduced, cause the reduction of sealing property, and then make this position rupture and destroy sealing state.Even if for the fusible parts (4) of patent documentation 1 with outside cylindrical portion (10), as long as produce weld bond in this outside cylindrical portion (10), then above-mentioned phenomenon also may produce in the same manner.
Patent documentation 1: Japanese Unexamined Patent Publication 2-293278 publication
Summary of the invention
The present invention proposes in view of the foregoing, and its object is to, provide a kind of stopple, the sealing property that it can prevent the weld bond owing to producing in the fusible parts of the ring-type be made up of thermal softening resin from causing reduces.
To achieve these goals, the invention of technical scheme 1 is a kind of stopple, and it is inaccessible for the opening will arranged on plate-shaped member, and it is characterized in that having: stopple main body, it has the lid flange part of the opening covering described plate-shaped member; And the fusible parts of ring-type, it is configured between described plate-shaped member and described lid flange part, be made up of thermal softening resin, its melting by heating, thus seal between described plate-shaped member and described lid flange part, described fusible parts, from the lateral margin at the position of generation weld bond during resin forming, protrudes and forms extension.
In addition, the feature of the invention of technical scheme 2 is, is recited as prerequisite, described extension with technical scheme 1, protrudes from by the lateral margin at the position producing drawing stress during described fusible parts heating and melting.
The feature of the invention of technical scheme 3 is, prerequisite is recited as with technical scheme 2, the opening be arranged on described plate-shaped member is formed as long hole shape, described fusible parts is configured on the surface of this plate-shaped member along the opening periphery of described plate-shaped member, and described extension protrudes from the lateral margin at position corresponding to the long edge regions with this opening periphery.
The feature of the invention of technical scheme 4 is, prerequisite is recited as with technical scheme 3, described stopple main body, it is elastically bendable synthetic resin, be formed as the elongate in shape corresponding with the described opening of long hole shape, and to form its long limit take central portion as the curved shape of summit to face side projection, the described extension of described fusible parts protrudes from the lateral margin at position corresponding to the long limit central portion with described stopple main body, and, at the back side of described stopple main body, form the fastener engaged with the long edge regions of the opening periphery of described plate-shaped member.
The feature of the invention of technical scheme 5 is, to be recited as prerequisite any one of technical scheme 1 to 4, described extension protrudes to the inside from the medial margin of the fusible parts of described ring-type.
The feature of the invention of technical scheme 6 is, prerequisite is recited as with technical scheme 5, from the back side of described stopple main body, protrude the insertion wall being formed and insert in the opening of described plate-shaped member, described fastener cuts described insertion wall and is formed, this otch is formed along with on described insertion wall, in boundary portion between the back side of described stopple main body, form otch, the configuration relation of described otch and extension is, this extension runs through described otch and inner side to described fusible parts is protruded.
According to the invention of technique scheme 1, when by fusible parts heating and melting, even if produce shrinkage cavity in the generating unit of weld bond, also can flow into this part the extension that protrudes from lateral margin or make this extension form bridge portion and guarantee the ring-type of fusible parts, can sealing property be kept.
Here, the extension that the lateral margin due to the fusible parts from ring-type protrudes, departs from the stream by the ring-type of molten resin flowing during this parts resin forming, so molten resin can not collaborate, therefore, can not produce weld bond at extension.Therefore, can not produce at extension the shrinkage cavity caused by weld bond.
According to the invention of technical scheme 2, by the drawing stress will produced during fusible parts heating and melting, extension is introduced the annulus of these parts.Therefore, the gap be formed in the generating unit of weld bond due to shrinkage cavity during melting, by the molten resin landfill introduced from extension.Therefore, fusible parts guarantees ring-type, can keep sealing property.
According to the invention of technical scheme 3, with the opening of the long hole shape be arranged on plate-shaped member accordingly, fusible parts also becomes the shape of the periphery along opening.The fusible parts of this shape, on the position corresponding with the long edge regions on opening periphery, produces drawing stress when heating and melting.Therefore, fusible parts, by the lateral margin from the position corresponding with the stripe region on this opening periphery, protrudes and forms above-mentioned extension, thus identically with the invention of technical scheme 2, guarantee the ring-type of fusible parts, can keep sealing property.
According to the invention of technical scheme 4, be the curved shape of summit to face side projection by stopple main body being formed as long limit with central portion, thus when making fastener engage with the long edge regions of opening periphery, can along with the elastic bending of stopple main body, the opening edge of both ends to plate-shaped member is pressed, improves the close property of these both ends relative to plate-shaped member.Due to the long limit centre portion in stopple main body, the opening peripheral snap of fastener and plate-shaped member, and extension protrudes to the position corresponding with long limit central portion, so gleyness when can improve heat fusing, limit the tilting relative to plate-shaped member, keep close property.
According to the invention of technical scheme 5, extension is made to protrude to the inside by the medial margin from fusible parts, extension can be made thus not expose from stopple main body, form good outward appearance, and under the temporary fixing state before heating and melting, the interference that the extension of fusible parts and peripheral parts construct can be avoided.
According to the invention of technical scheme 6, inserting wall by protruding from the back side of stopple main body to be formed, this insertion wall being inserted in the opening of plate-shaped member, thus, rocking under the temporary fixing state before heating and melting can be suppressed.And, the otch that cutting is formed when inserting wall and form fastener becomes the configuration relation corresponding with the extension of fusible parts, thus extension can be made to run through otch and protrude to the inside, therefore, the compact form that each structural element works efficiently can be realized.
The effect of invention
According to the present invention, when by fusible parts heating and melting, even if produce shrinkage cavity in the generating unit of weld bond, also to this part flow into from lateral margin protrude extension or make this extension formed bridge portion, thus the ring-type of fusible parts can be guaranteed, keep sealing property.
Accompanying drawing explanation
Fig. 1 is the figure of the structure example of the plate-shaped member representing the installation stopple installed involved by embodiments of the present invention, and (a) is birds-eye view, and (b) is cross-section front view.
Fig. 2 (a) is the local section front elevation of the decomposing state of the stopple represented involved by embodiments of the present invention, and (b) represents the local section front elevation this stopple being arranged on the state on plate-shaped member.
Fig. 3 is the figure of the confined state of the stopple represented involved by embodiments of the present invention, and (a) is local section front elevation, and (b) is backplan, and (c) is partial cut away side views.
Fig. 4 is the figure of the stopple main body of the stopple represented involved by embodiments of the present invention, and (a) is local section front elevation, and (b) is backplan, and (c) is partial cut away side views.
Fig. 5 is the figure of the fusible parts of the stopple represented involved by embodiments of the present invention, and (a) is backplan, and (b) is the enlarged drawing in X portion, and (c) is A-A line section-drawing.
Fig. 6 is the figure representing the state example after by the generating unit heating and melting of the weld bond in fusible parts.
Fig. 7 is the figure representing other structure example of the present invention, a () is the backplan of fusible parts, b () is the backplan of the confined state representing stopple, c () is B-B line section-drawing, (d) is the B-B line section-drawing under the state of fusible parts being removed.
Detailed description of the invention
Below, with reference to accompanying drawing, describe embodiments of the present invention in detail.
Stopple 10 is such as shown in Figure 1, inaccessible for the opening 2 that will the plate-shaped members 1 such as the body panels at automobile be formed, and has as shown in Figures 2 and 3: stopple main body 20; And fusible parts 30, it is arranged on the lid flange part 21 of this stopple main body 20.
The stopple 10 of present embodiment is configured to as shown in Fig. 1 (a), relative to the plate-shaped member 1 of opening 2 with long hole shape, its opening 2 is inaccessible.Two end edge portion 2a are linked by the long limit 2b of linearity by the opening 2 specifically following shape of plate-shaped member 1: two end edge portion 2a are bent into arc-shaped respectively.
The material that stopple main body 20 is considered baking finish operation and used resistance to effect of heat high, in the present embodiment, the resin material high by fusion temperature compared with the fusion temperature of fusible parts 30 described later is formed.
This stopple main body 20, in order to the opening 2 of the plate-shaped member 1 shown in coverage diagram 1, has the lid flange part 21 of tabular, and it forms the profile (with reference to Fig. 4) in outside outer peripheral edges being configured in this opening 2.From the back side of this lid flange part 21, protrude the insertion wall 22 being formed and insert in opening 2.The structure inserting wall 22, as shown in Fig. 4 (b), forms the ring-type of the periphery along opening 2, has small gap relative to the periphery of opening 2, to insert from this opening 2 of surface lateral of plate-shaped member 1.That is, insert the periphery of wall 22 and opening 2 accordingly, become following shape: make two end edge portion 22a be bent into arc-shaped, by the long limit 22b of linearity, two end edge portion 22a are linked respectively.
On insertion wall 22, the upper formation fastener 23 in multiple positions (being 6 in the diagram) of long limit 22b.These fasteners 23 are cut by insertion wall 22 and are formed as elastically bendable cantilever shape, and lateral surface is formed the engagement pawl protruded outward.These fasteners 23, as shown in Fig. 2 (b), from the peripheral snap of the opening 2 of rear side and plate-shaped member 1, stop stopple main body 20 to be extracted from opening 2.
Here, stopple main body 20 is formed as curved shape, that is, make the long limit 21b of the lid flange part 21 shown in Fig. 2 (a) and Fig. 4 with central portion 21a for summit is protruding to face side.In addition, because its curvature is small, so clearly do not describe curved shape in the accompanying drawings.
By adopting this curved shape, can along with elastic bending when stopple main body 20 is pressed to plate-shaped member 1, two end edge portion 22a of insertion wall 22 are pressed to the edge of the opening 2 on plate-shaped member 1, the close property of this two end edge portion 22a relative to plate-shaped member 1 can be improved.
The centre portion of the long limit 21b on lid flange part 21, due to fastener 23 and the peripheral snap of the opening 2 on plate-shaped member 1, so restriction is relative to the tilting of plate-shaped member 1, keeps close property.
Groove 24 is formed, its periphery (with reference to Fig. 2 (a), Fig. 4) of inserting wall 22 for making fusible parts 30 embed at the back side of lid flange part 21.Fusible parts 30 described later embeds in this groove 24 with the state that bottom surface is exposed slightly.
Below, fusible parts 30 is described.
Fusible parts 30 is formed by with so-called hot melt (hot melt) material that lining cement is identical, after heating and melting, produces bonding force during cooling curing.As its material, using thermoplastic resin as main component, and add adhesive resin etc. wherein and obtain, as this thermoplastic resin, if heating, softening, if cooling, solidify.
Fusible parts 30 preferably its fusion temperature of use is the material of 60 ~ 100 DEG C.In addition, when fusion temperature is less than 60 DEG C, owing to may occur to melt again when the temperature such as summer are higher, so not preferred, on the other hand, when fusion temperature is greater than 100 DEG C, owing to temperature during baking finish must be set higher, result causes manufacturing cost to increase, so not preferred.
Fusible parts 30, as shown in Fig. 5 (a), is formed as rectangular ring-type, and its concrete profile is be configured in shape outside it along the periphery of the opening 2 of plate-shaped member 1.This fusible parts 30 makes by using above-mentioned resin material to carry out mould molding.
In addition, be shaped to the fusible parts 30 of ring-type, there is the position, interflow of the resin material flowed in mould.A such as position arranges cast gate (entrance) that resin material is flowed in mould, the resin material flowed into from cast gate advances to 2 directions in the dies cavity of ring-type, collaborates in the position (1 position) relative with cast gate.In addition, when cast gate (entrance) is arranged on 2 relative positions, from the resin material that each cast gate flows into, can collaborate 2 positions in annular die inner chamber, these 2 positions are positioned at the line orthogonal linked by the cast gate on relative 2 positions and pass on the straight line at the center of ring-type.
The linear trace being called as weld bond is produced at this joining part.The generating unit of this weld bond known is compared with other positions, and the bonding state of resin material is more weak.
In addition, rule of thumb known: the fusible parts 30 of rectangular ring-type, when heating and melting, the region of long limit 30a can produce drawing stress.Therefore, the region of long limit 30a produces weld bond, when by fusible parts 30 heating and melting, as shown in Fig. 6 (a), because drawing stress can produce shrinkage cavity, fusible parts 30 is likely made to rupture from weld bond.
Therefore, in the present embodiment, as shown in Figure 5, can produce premised on weld bond 31 in the long limit 30a part of the fusible parts 30 in rectangular ring-type, protrude from the lateral border outward direction at the position producing weld bond 31 and form extension 32.Due to the inner chamber part of the mould at this extension 32 of formation, resin material departs from from the track with annular flow, so resin material will be made to collaborate (resin material divides inflow to this inner cavity) in this inner chamber part, therefore, weld bond 31 can not be produced on extension 32.
Extension 32 can be formed as arbitrary geomery.Extension 32 shown in Fig. 5 is formed as rectangular-shaped, and, as long as be formed as the thickness (with reference to Fig. 3 (c)) that can expose from the groove 24 at lid flange part 21 back side be formed at stopple main body 20.
Below, the effect of the stopple 10 involved by present embodiment is described.Stopple 10 is as shown in Fig. 2 (a), under the state that fusible parts 30 is embedded in the groove 24 at lid flange part 21 back side be formed in stopple main body 20, the insertion wall 22 of stopple main body 20 is inserted in the opening 2 of plate-shaped member 1, by making fastener 23 and the periphery of opening 2 engage temporarily fixing (with reference to Fig. 2 (b)).
As noted above, under the state that stopple 10 is temporarily fixing with opening 2, plate-shaped member 1 is delivered in the heating chambers such as japanning oven, fusible parts 30 is heated to the temperature of melting.Thus, fusible parts 30 melting, bonds with both circumferences of the opening 2 on the back side (in detail, being the inwall of groove 24) of the lid flange part 21 in stopple main body 20 and plate-shaped member 1.Then, through refrigerating work procedure afterwards, fusible parts 30 is solidified, and seals between stopple main body 20 and plate-shaped member 1.
The stopple 10 of present embodiment, extension 32 is formed owing to protruding from the lateral border outward direction at the position producing weld bond 31, so when carrying out heating and melting to fusible parts 30, even if produce shrinkage cavity in the generating unit of weld bond 31, also such as shown in Fig. 6 (b), extension 32 forms bridge portion 33, or as shown in this figure (c), extension 32 flows in the part 34 producing shrinkage cavity, thus can keep the ring-type of fusible parts 30, keeps sealing property.
In addition, keep the mode of the ring-type of fusible parts 30 to change along with situation difference, Fig. 6 (b), (c) only illustrate the mode that the present inventor observes.
Fig. 7 is the figure of other structure example representing stopple 10 involved in the present invention.
Stopple 10 shown in this figure, protrudes to the inside from the medial margin of the fusible parts 30 of ring-type and forms extension 32 (with reference to this figure (a)).In addition, fastener 23, as shown in this figure (d), lower incision by insertion wall 22 is formed, and is formed, the boundary portion between the back side of lid flange part 21, form otch 23a along with this otch.This otch forming position corresponding with the allocation position of the extension 32 of fusible parts 30 (with reference to this figure (b)).
According to structure as noted above, the extension 32 of fusible parts 30 can be inserted in otch 23a, and protrude configuration (with reference to this figure (c)) to the inside.Thus, rocking of the fusible parts 30 under the temporary fixing state before heating and melting can being suppressed.
And, the otch 23a that cutting is formed when inserting wall 22 and form fastener 23 becomes the configuration relation corresponding with the extension 32 of fusible parts 30, thus extension 32 can be made to run through otch and protrude to the inside, therefore, the compact form that each structural element plays a role efficiently can be realized.
In addition, the present invention is not limited to above-mentioned embodiment.
Such as, in the above-described embodiment, with the opening 2 of the long hole shape be arranged on plate-shaped member 1 accordingly, form rectangular stopple 10, but also can form stopple accordingly with the opening of the various shapes such as circle.
The forming part of extension, when from effective the lateral margin at the position producing drawing stress during fusible parts heating and melting is protruded, as long as but produce the lateral margin at the position of weld bond, be not limited thereto.
Claims (6)
1. a stopple, it is inaccessible for the opening will arranged on plate-shaped member,
It is characterized in that having:
Stopple main body, it has the lid flange part of the opening covering described plate-shaped member; And
The fusible parts of ring-type, it is configured between described plate-shaped member and described lid flange part, is made up of thermal softening resin, its melting by heating, thus will seal between described plate-shaped member and described lid flange part,
Described fusible parts, from the lateral margin at the position of generation weld bond during resin forming, protrudes and forms extension.
2. stopple according to claim 1, is characterized in that,
Described extension, protrudes from by the lateral margin at the position producing drawing stress during described fusible parts heating and melting.
3. stopple according to claim 2, is characterized in that,
The opening be arranged on described plate-shaped member is formed as long hole shape,
Described fusible parts is configured on the surface of this plate-shaped member along the opening periphery of described plate-shaped member, and described extension protrudes from the lateral margin at position corresponding to the long edge regions with this opening periphery.
4. stopple according to claim 3, is characterized in that,
Described stopple main body is elastically bendable synthetic resin, is formed as the elongate in shape corresponding with the described opening of long hole shape, and to form its long limit take central portion as the curved shape of summit to face side projection,
The described extension of described fusible parts protrudes from the lateral margin at position corresponding to the long limit central portion with described stopple main body,
And, at the back side of described stopple main body, form the fastener engaged with the long edge regions of the opening periphery of described plate-shaped member.
5. stopple according to claim 4, is characterized in that,
Described extension protrudes to the inside from the medial margin of the fusible parts of described ring-type.
6. stopple according to claim 5, is characterized in that,
From the back side of described stopple main body, protrude the insertion wall being formed and insert in the opening of described plate-shaped member, described fastener cuts described insertion wall and is formed, cutting mouth is formed along with on described insertion wall, in boundary portion between the back side of described stopple main body, form otch
The configuration relation of described otch and extension is, this extension runs through described otch and inner side to described fusible parts is protruded.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009155172A JP5242509B2 (en) | 2009-06-30 | 2009-06-30 | Hole plug |
| JP2009-155172 | 2009-06-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101934823A CN101934823A (en) | 2011-01-05 |
| CN101934823B true CN101934823B (en) | 2015-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010216076.XA Active CN101934823B (en) | 2009-06-30 | 2010-06-30 | Hole plug |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5242509B2 (en) |
| CN (1) | CN101934823B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5944279B2 (en) | 2012-07-30 | 2016-07-05 | 株式会社ニフコ | Hole plug |
| JP6122336B2 (en) * | 2013-04-22 | 2017-04-26 | 大和化成工業株式会社 | Hole plug |
| CN109253255A (en) * | 2018-11-30 | 2019-01-22 | 安徽江淮汽车集团股份有限公司 | Seal stopple |
| JP7446132B2 (en) | 2020-03-13 | 2024-03-08 | 株式会社パイオラックス | hole plug |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5513769A (en) * | 1993-07-05 | 1996-05-07 | Itw De France | Seal for fixing by gluing for an opening made in a metal sheet |
| CN2507799Y (en) * | 2001-10-29 | 2002-08-28 | 北京奥星恒迅包装科技有限公司 | Seal cover |
| CN1590062A (en) * | 2003-08-29 | 2005-03-09 | 富国股份有限公司 | Method of manufacturing boot for constant-velocity universal joint and manufacturing apparatus for use in the method, and boot for constant-velocity universal joint |
| CN1793712A (en) * | 2004-12-20 | 2006-06-28 | 丰田自动车株式会社 | Resin molded component |
| CN201002788Y (en) * | 2007-01-15 | 2008-01-09 | 钱绍恩 | Seal cover |
| CN101187424A (en) * | 2006-11-24 | 2008-05-28 | 百乐仕株式会社 | Hole plug |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05474Y2 (en) * | 1987-10-31 | 1993-01-07 | ||
| JP2002192562A (en) * | 2000-12-25 | 2002-07-10 | Canon Inc | Injection-molded article and injection mold |
| JP2008188855A (en) * | 2007-02-05 | 2008-08-21 | Mazda Motor Corp | Injection molding mold and injection molding method using the injection molding mold |
| JP5519103B2 (en) * | 2007-10-30 | 2014-06-11 | 日本プラスト株式会社 | Cowl top cover |
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2009
- 2009-06-30 JP JP2009155172A patent/JP5242509B2/en active Active
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2010
- 2010-06-30 CN CN201010216076.XA patent/CN101934823B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5513769A (en) * | 1993-07-05 | 1996-05-07 | Itw De France | Seal for fixing by gluing for an opening made in a metal sheet |
| CN2507799Y (en) * | 2001-10-29 | 2002-08-28 | 北京奥星恒迅包装科技有限公司 | Seal cover |
| CN1590062A (en) * | 2003-08-29 | 2005-03-09 | 富国股份有限公司 | Method of manufacturing boot for constant-velocity universal joint and manufacturing apparatus for use in the method, and boot for constant-velocity universal joint |
| CN1793712A (en) * | 2004-12-20 | 2006-06-28 | 丰田自动车株式会社 | Resin molded component |
| CN101187424A (en) * | 2006-11-24 | 2008-05-28 | 百乐仕株式会社 | Hole plug |
| CN201002788Y (en) * | 2007-01-15 | 2008-01-09 | 钱绍恩 | Seal cover |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101934823A (en) | 2011-01-05 |
| JP5242509B2 (en) | 2013-07-24 |
| JP2011012701A (en) | 2011-01-20 |
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