CN1654302A - Mobile armrest of passenger conveying belt and method for making same - Google Patents
Mobile armrest of passenger conveying belt and method for making same Download PDFInfo
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- CN1654302A CN1654302A CN 200410063642 CN200410063642A CN1654302A CN 1654302 A CN1654302 A CN 1654302A CN 200410063642 CN200410063642 CN 200410063642 CN 200410063642 A CN200410063642 A CN 200410063642A CN 1654302 A CN1654302 A CN 1654302A
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- thermoplastic elastomer
- handrail body
- rail
- moving hand
- canvas
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Abstract
To provide a moving handrail for a passenger conveyor capable of improving delay of movement and capable of reducing the generation of noise when moving, and to provide a manufacturing method thereof. An inner layer material 13 formed from a thermoplastic elastomer for an inner layer softer than a thermoplastic elastomer for a main body is bonded to the inside of a handrail main body 11 formed from the thermoplastic elastomer for a main body and having a C-shape cross section. A steel tape 12 arranged along the longitudinal direction of the handrail main body 11 is provided inside the handrail main body 11. A canvas 14 overlapped inside the handrail main body 11 through the inner layer material 13 is bonded to the inner layer material 13.
Description
Technical field
The present invention relates to such as the moving hand-rail that is arranged on the passenger conveyer band on the passenger conveyer bands such as ESCALATORSS AND MOVING WALKS.
Background technology
In the moving hand-rail of in the past passenger conveyer band, contact the friction force that causes in order to increase with head roll, be that the interior side engagement of the core of C font has canvas sometimes in the cross section.The material of core is a thermoplastic elastomer.Canvas and core direct connect (such as, patent documentation 1: the Japanese Patent spy opens the 2000-211872 communique).
But the peripheral part material of head roll is the rubber softer than core, that friction coefficient is big sometimes, sometimes because of the pushing of moving hand-rail, and the peripheral part generation elastic deformation of head roll.Thus, the substantial external diameter of head roll reduces, and the moving velocity of moving hand-rail is lower than the design speed that is used for the speed synchronization of pedal sometimes.
In addition, in the counter-rotating portion inboard of the moving hand-rail that is arranged at the passenger conveyer band both ends, be provided with sometimes and reduce the metallic conveying cylinder that sliding resistance is used, still, according to the hardness of the employed thermoplastic elastomer of core, cause noise because of contacting between conveying cylinder and the moving hand-rail sometimes.
Content of the present invention
The present invention makes in order to address the above problem, and its purpose is to provide a kind of can improve the delay of moving, and can reduce the moving hand-rail and the manufacture method thereof of the passenger conveyer band of noise when mobile.
The moving hand-rail of passenger conveyer band of the present invention comprises: the cross section that is shaped by this body and function thermoplastic elastomer is the handrail body of C font; Than the low internal layer of this body and function thermoplastic elastomer hardness with thermoplastic elastomer be shaped, with handrail body in the inner layer material of side engagement; And the canvas that overlaps the handrail body inboard and engage by inner layer material with inner layer material.
In the moving hand-rail of passenger conveyer band of the present invention, the inner layer material that has the internal layer than this body and function thermoplastic elastomer softness to be shaped owing to interior side engagement with thermoplastic elastomer in the handrail body that is shaped by this body and function thermoplastic elastomer, canvas overlap on the inner layer material and with handrail body in side engagement, therefore, the inboard of moving hand-rail is because of the elastic deformation easy deformation of inner layer material, can reduce the reduced width of the substantial external diameter of the head roll that the moving hand-rail inboard is urged.Thus, can improve the mobile delay of moving hand-rail.In addition, owing to also can utilize inner layer material, suppress the part of the vibration that causes with contacting of conveying cylinder, so also can reduce the moving hand-rail and the noise that causes that contacts such as conveying cylinder etc.
The simple declaration of accompanying drawing
Fig. 1 is the lateral plan of a part of the escalator of expression embodiments of the invention 1.
Fig. 2 is the lateral plan of the handrail drive division of presentation graphs 1.
Fig. 3 is the lateral plan of the railing length direction upper end of presentation graphs 1.
Fig. 4 is the cutaway view of the moving hand-rail of presentation graphs 1.
Fig. 5 is the cutaway view of moving hand-rail of the escalator of expression embodiments of the invention 2.
Fig. 6 is the cutaway view of moving hand-rail of the escalator of expression embodiments of the invention 3.
The specific embodiment
Embodiment 1
Fig. 1 is the lateral plan of a part of the escalator of expression embodiments of the invention 1.Among the figure, a plurality of pedals (not shown) that connect into ring-type are by framework 1 supporting.The upper end of framework 1 length direction disposes the actuating device 2 that each pedal is moved.The upright a pair of railing 3 that extends towards length direction that is provided with on framework 1.The circumference of railing 3 is provided with and the synchronization-moving moving hand-rail 4 of each pedal.Be provided with handrail drive division 5 below railing 3, it utilizes the driving of actuating device 2 that moving hand-rail 4 is moved.
Fig. 2 is the lateral plan of the handrail drive division 5 of presentation graphs 1.Among the figure, handrail drive division 5 has with a plurality of head rolls 6 of the inner face of moving hand-rail 4 contact, by the relative a plurality of cramping cylinders 7 of moving hand-rail 4 and each head roll 6.Each head roll 6 is rotatable by the driving of actuating device 2.The material of the peripheral part 6a of each head roll 6 is the rubber of high friction material.As the hardness of peripheral part 6a, be chosen in the hardness in Shore hardness HS80A～95A scope.The force application spring 8 that each cramping cylinder 7 is subjected to being arranged on the framework 1 pushes to the outside of moving hand-rail 4.Moving hand-rail 4 is pushed on each head roll 6 by the pushing towards moving hand-rail 4 of each cramping cylinder 7.Moving hand-rail 4 is moved by the rotation of head roll 6.
Fig. 3 is the lateral plan of upper end of railing 3 length directions of presentation graphs 1.Among the figure, the length direction upper end of railing 3 and last extreme direction bottom (not shown) make towards the arcuation protrusion 9 of the outstanding arcuation of escalator upper and lower opening.The moving direction of moving hand-rail 4 reverses along the periphery slip of arcuation protrusion 9 by moving hand-rail 4.The circumference of arcuation protrusion 9, promptly the inboard of the counter-rotating portion of moving hand-rail 4 disposes the sliding resistance of a plurality of metallic conveying cylinders (banister cylinder) 10 with the moving hand-rail 4 of reduction railing 3.
Fig. 4 is the cutaway view of the moving hand-rail 4 of presentation graphs 1.Among the figure, handrail body 11 is configured as cross section C font by this body and function thermoplastic elastomer.In the inside of handrail body 11, dispose along the length direction of handrail body 11 and to be used to prevent that moving hand-rail 4 from stretching and the tension element (reinforcement material) of fracture, i.e. Dai Zhuan steel band 12.The thickness setting of this steel band 12 is about 0.5～1mm, to be fit to the bending stiffness of moving hand-rail 4.
Interior side engagement in handrail body 11 has the inner layer material 13 that is shaped with thermoplastic elastomer by (softness) internal layer lower than this body and function thermoplastic elastomer hardness.The cross sectional shape of inner layer material 13 is the C font along the inner face of handrail body 11.In this example, internal layer is lower than the hardness of head roll 6 peripheral part 6a with the hardness of thermoplastic elastomer.But, in order to ensure the intensity of inner layer material 13, internal layer makes more than the Shore hardness HS60A with the hardness of thermoplastic elastomer.As this body and function thermoplastic elastomer and internal layer thermoplastic elastomer, such as exemplifying polyurethane class, polystyrene type, vinyl chloride type, polyesters or polyolefins etc.
The inboard of inner layer material 13 (with the opposition side of the engage side of handrail body 11) engages the canvas 14 that contacts with head roll 6 and conveying cylinder 10 when escalator operation is arranged.Canvas 14 is made by lamination coatings such as cotton or syntheticfibress.The cross sectional shape of canvas 14 is the C font along inner layer material 13 inner faces.Moving hand-rail 4 has handrail body 11, steel band 12, inner layer material 13 and canvas 14.
Below, the manufacture method of moving hand-rail 4 is described.
At first, by the mould of the cross sectional shape that is arranged on the handrail body 11 in the former, steel band 12, this body and function thermoplastic elastomer of dissolving are pushed simultaneously.At this moment, steel band 12 is configured in this body and function thermoplastic elastomer inside.Then, with the hardening by cooling of this body and function thermoplastic elastomer, as handrail body 11, with steel band 12 and handrail body 11 integrally formed (the 1st operation).
Then, by the mould of the cross sectional shape that is arranged on the moving hand-rail 4 in the former, the internal layer thermoplastic elastomer with handrail body integrally formed in the 1st operation 11 and steel band 12 (hereinafter referred to as " the 1st operation shaped object ") and after dissolving, canvas 14 push simultaneously.At this moment, canvas 14 is configured in the inboard of the 1st operation shaped object with thermoplastic elastomer by internal layer.Then, with internal layer thermoplastic elastomer hardening by cooling, as inner layer material 13, with the 1st operation shaped object, inner layer material 13 and canvas 14 integrally formed (the 2nd operation).Thus, can make moving hand-rail 4.
In moving hand-rail 4 so, inboard in the handrail body 11 that is shaped by this body and function thermoplastic elastomer, joint has the inner layer material 13 that is shaped with thermoplastic elastomer by the internal layer softer than this body and function thermoplastic elastomer, canvas 14 overlaps on the inner layer material 13 and with handrail body 11 and engages, so the inboard of moving hand-rail 4, can reduce the reduced width of the substantial external diameter of the head roll that the inboard of moving hand-rail 4 is urged because of the elastic deformation easy deformation of inner layer material 13.Thus, the moving velocity that can make moving hand-rail 4 improves the mobile delay of moving hand-rail 4 near design speed.In addition, also can utilize inner layer material 13, suppress the part of the vibration that causes with contacting of conveying cylinder 10, the noise that reduction moving hand-rail 4 and contacting of conveying cylinder 10 cause.
In addition, steel band 12 is arranged on the inside of handrail body 11, peels off from handrail body 11 so can prevent steel band 12 reliably.
In the above-mentioned example, inboard whole of inner layer material 13 and handrail body 11 engages, but, also the face of inner layer material 13 with the part of the inboard of handrail body 11 can be engaged as long as between part that the head roll 6 and the conveying cylinder 10 of canvas 14 contacted and handrail body 11, accompany inner layer material 13.
Fig. 5 is the cutaway view of moving hand-rail of the escalator of expression embodiments of the invention 2.Among the figure, the outer side engagement of handrail body 11 has cladding material 21, and this cladding material 21 is shaped with thermoplastic elastomer by (soft) lower than the hardness of this body and function thermoplastic elastomer is outer.Cladding material 21 is located on whole of the periphery of handrail body 11.In this example, cladding material 21 by with inner layer material 13 identical materials manufacturings.That is, outer material with thermoplastic elastomer is identical with the material of thermoplastic elastomer with internal layer.Moving hand-rail 22 has handrail body 11, steel band 12, inner layer material 13, canvas 14 and cladding material 21.Other structures are identical with embodiment 1.
Below, the manufacture method of moving hand-rail 22 is described.
At first, identical with embodiment 1, handrail body 11 and steel band 12 is integrally formed, and making the cross section is the 1st operation shaped object (the 1st operation) of C font.
Then, by the mould that is arranged on the cross section C font in the former, the internal layer with the 1st operation shaped object, after dissolving pushes simultaneously with thermoplastic elastomer, canvas 14.At this moment, canvas 14 is configured in the inboard of the 1st operation shaped object with thermoplastic elastomer by internal layer.Then, internal layer thermoplastic elastomer hardening by cooling is integrally formed with the 1st operation shaped object, inner layer material 13 and canvas 14 as inner layer material 13, and making the cross section is the 2nd operation shaped object (the 2nd operation) of C font.
Then, by the mould of the cross sectional shape that is arranged on the moving hand-rail 22 in the former, the 2nd operation shaped object is pushed with thermoplastic elastomer simultaneously with outer.At this moment, outer be configured in the outer peripheral face of the 2nd operation shaped object with thermoplastic elastomer, that is, and the outer peripheral face of handrail body 11.Then, with skin thermoplastic elastomer hardening by cooling, as cladding material 21, with the 2nd operation shaped object and cladding material 21 integrally formed (the 3rd operation).Thus, can make moving hand-rail 22.
In moving hand-rail 22 so, the outside in the handrail body 11 that is shaped by this body and function thermoplastic elastomer, joint has the cladding material 21 that is shaped with thermoplastic elastomer by the skin softer than this body and function thermoplastic elastomer, regulate by ratio, can easily regulate the bending stiffness of moving hand-rail 22 each thickness of handrail body 11 and cladding material 21.In addition, owing to expose soft cladding material 21, so the feel of moving hand-rail 22 is good.
In the above-mentioned example, outer material with thermoplastic elastomer is identical with the material of thermoplastic elastomer with internal layer, but also can use and the skin thermoplastic elastomer of internal layer with the material unlike material of thermoplastic elastomer.
Fig. 6 is the cutaway view of moving hand-rail of the escalator of expression embodiments of the invention 3.Among the figure, the encirclement material 31 that surrounds handrail body 11 engages with the outer peripheral face of handrail body 11.Surrounding material 31 is shaped with thermoplastic elastomer by (soft) encirclement lower than this body and function thermoplastic elastomer hardness.In this example, surround material 31 and make by the material identical with the employed inner layer material of embodiment 1 13.That is, surround with the material of the internal layer usefulness thermoplastic elastomer that uses among the material of thermoplastic elastomer and the embodiment 1 identical.Therefore, encirclement is low with the hardness of the peripheral part 6a of the hardness ratio head roll 6 of thermoplastic elastomer.
Engaged canvas 14 with the inboard engaging portion of the handrail body 11 of surrounding material 31.That is,, engage with encirclement material 31 by surrounding the canvas 14 that material 31 overlaps the inboard of handrail body 11.In this example, the cross sectional shape of canvas 14 is along the C font that surrounds material 31.Moving hand-rail 32 has handrail body 11, steel band 12, surrounds material 31 and canvas 14.Other structures are identical with embodiment 1.
Below, the manufacture method of moving hand-rail 32 is described.
At first, identical with embodiment 1, handrail body 11 and steel band 12 is integrally formed, and making the cross section is the 1st operation shaped object (the 1st operation) of C font.
Then, by the mould of the cross sectional shape that is arranged on the moving hand-rail 32 in the former, the encirclement with the 1st operation shaped object, after dissolving is pushed simultaneously with thermoplastic elastomer, canvas 14.At this moment, the 1st operation shaped object surrounds with thermoplastic elastomer by surrounding, and canvas 14 is by surrounding the inboard that is configured in the 1st operation shaped object with thermoplastic elastomer.Then, will surround and use the thermoplastic elastomer hardening by cooling, as surrounding material 31, with the 1st operation shaped object, encirclement material 31 and canvas 14 integrally formed (the 2nd operation).Make moving hand-rail 32 thus.
In moving hand-rail 32 so, outer peripheral face in handrail body 11, joint have by than the material of handrail body 11, be the encirclement material 31 that the soft encirclement of this body and function thermoplastic elastomer is shaped with thermoplastic elastomer, by surrounding the canvas 14 that material 31 overlaps the inboard of handrail body 11, engage with encirclement material 31, so can obtain effect similarly to Example 2 with surrounding the inboard and the outside that material 31 is configured in handrail body 11.And, the outside of handrail body 11 and inboard can be shaped simultaneously and surround material 31, can shorten the manufacturing time of moving hand-rail 32, easily make moving hand-rail 32.
In addition, by by former extrusion body thermoplastic elastomer, after becoming tee section to be the handrail body 11 of C font, to surround with thermoplastic elastomer and canvas 14 and push from former with handrail body 11, with handrail body 11, surround handrail body 11 encirclement material 31, to overlap the canvas 14 of inboard of handrail body 11 integrally formed by surrounding material 31, so can be in the outside of handrail body 11 and the inboard be shaped simultaneously and surround material 31, can easily make moving hand-rail 32.
In addition, this body and function thermoplastic elastomer and steel band 12 are pushed simultaneously by former, internally make handrail body 11 and steel band 12 integrally formed with what steel band 12 was configured in handrail body 11, so just steel band 12 can be configured in the inside of handrail body 11 by 1 operation, can easily make the handrail body 11 that steel band 12 is difficult for peeling off.
In the above-mentioned example, surround with the material of thermoplastic elastomer and use the material of thermoplastic elastomer identical, but also can use and the encirclement thermoplastic elastomer of internal layer with the material unlike material of thermoplastic elastomer with embodiment 1 employed internal layer.
In addition, in the various embodiments described above, steel band 12 uses as tension element, also can use many one metal wires to use as tension element.
And in the various embodiments described above, the present invention is applied to escalator, but the present invention is also applicable to the aisle of moving.
Claims (6)
1. the moving hand-rail of a passenger conveyer band is characterized in that, comprising: the cross section that is shaped by this body and function thermoplastic elastomer is the handrail body of C font;
By than the low internal layer of described body and function thermoplastic elastomer hardness with thermoplastic elastomer be shaped, with the inner layer material of the interior side engagement of described handrail body; And
The canvas that overlaps described handrail body inboard and engage by described inner layer material with described inner layer material.
2. the moving hand-rail of passenger conveyer band as claimed in claim 1, it is characterized in that, also have cladding material, this cladding material be shaped with thermoplastic elastomer by the skin lower than described body and function thermoplastic elastomer hardness and with the outer side engagement of described handrail body.
3. the moving hand-rail of a passenger conveyer band is characterized in that, comprising: the cross section that is shaped by this body and function thermoplastic elastomer is the handrail body of C font;
By being shaped, surrounding described handrail body and the encirclement material that engages with the outer peripheral face of described handrail body with thermoplastic elastomer than the low encirclement of described body and function thermoplastic elastomer hardness; And
The canvas that overlaps described handrail body inboard and engage by described encirclement material with described encirclement material.
4. as the moving hand-rail of each described passenger conveyer band in the claim 1 to 3, it is characterized in that,, be provided with along the tension element of the length direction configuration of described moving hand-rail in the inside of described handrail body.
5. the manufacture method of the moving hand-rail of a passenger conveyer band is characterized in that, comprising:
Is that the cross section is the operation of the handrail body of C font by former with this body and function thermoplastic elastomer extrusion molding; And
To surround with thermoplastic elastomer and canvas with described handrail body by the former extruding, described handrail body, the encirclement material that surrounds described handrail body, the canvas 14 that overlaps the inboard of described handrail body by described encirclement material will be given integrally formed operation.
6. the manufacture method of the moving hand-rail of passenger conveyer band as claimed in claim 5, it is characterized in that, by former described body and function thermoplastic elastomer and tension element are pushed simultaneously, described tension element is configured in the inside of described handrail body, and makes described handrail body and described tension element integrally formed.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004037357 | 2004-02-13 | ||
| JP2004037357A JP2005225636A (en) | 2004-02-13 | 2004-02-13 | Moving handrail for passenger conveyor, and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1654302A true CN1654302A (en) | 2005-08-17 |
| CN100411967C CN100411967C (en) | 2008-08-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100636422A Expired - Fee Related CN100411967C (en) | 2004-02-13 | 2004-07-09 | Mobile armrest of passenger conveying belt and method for making same |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2005225636A (en) |
| CN (1) | CN100411967C (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101723233A (en) * | 2008-10-31 | 2010-06-09 | 三菱电机大楼技术服务株式会社 | Moving handrail device of passenger conveyor, handrail for passenger conveyor and method for manufacturing the same |
| CN104210927A (en) * | 2013-06-04 | 2014-12-17 | 三菱电机株式会社 | Mobile handrail of passenger conveying machine |
| CN104540765A (en) * | 2012-08-13 | 2015-04-22 | 三菱电机株式会社 | Moving handrail for passenger conveyor, and device for manufacturing moving handrail for passenger conveyor |
| CN105143085A (en) * | 2013-04-24 | 2015-12-09 | 三菱电机株式会社 | Escalator endless handrail and escalator |
| CN105253760A (en) * | 2015-10-30 | 2016-01-20 | 依合斯电梯扶手（上海）有限公司 | Screw-type hand strap and manufacturing method thereof |
| CN105905774A (en) * | 2015-02-24 | 2016-08-31 | 三菱电机大楼技术服务株式会社 | Canvas for handrail, moving handrail for passenger conveyor, handrail for passenger conveyor and method for manufacturing handrail for passenger conveyor |
| CN104540765B (en) * | 2012-08-13 | 2016-11-30 | 三菱电机株式会社 | Man-conveyor moving handrail |
| CN112135725A (en) * | 2018-05-09 | 2020-12-25 | 三菱电机株式会社 | Method for manufacturing movable handrail |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5091464B2 (en) * | 2006-11-28 | 2012-12-05 | 東北ゴム株式会社 | Handrail and manufacturing method thereof |
| AT511023B1 (en) * | 2011-01-20 | 2013-04-15 | Innova Patent Gmbh | HANDRAIL FOR RIDING |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW436464B (en) * | 1997-04-11 | 2001-05-28 | Toshiba Corp | Handrail for moving passage |
| JP2000071353A (en) * | 1998-08-26 | 2000-03-07 | Toyo Takasago Dry Battery Co Ltd | Travelling handrall for conveying and manufacture therefor |
| AT407377B (en) * | 1998-09-11 | 2001-02-26 | Semperit Ag Holding | HANDRAIL |
| JP4343300B2 (en) * | 1999-01-19 | 2009-10-14 | 三菱電機株式会社 | Man conveyor moving handrail and manufacturing method thereof |
-
2004
- 2004-02-13 JP JP2004037357A patent/JP2005225636A/en active Pending
- 2004-07-09 CN CNB2004100636422A patent/CN100411967C/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101723233A (en) * | 2008-10-31 | 2010-06-09 | 三菱电机大楼技术服务株式会社 | Moving handrail device of passenger conveyor, handrail for passenger conveyor and method for manufacturing the same |
| CN101723233B (en) * | 2008-10-31 | 2013-05-15 | 三菱电机大楼技术服务株式会社 | Moving handrail device of passenger conveyor, handrail for passenger conveyor and method for manufacturing the same |
| CN104540765A (en) * | 2012-08-13 | 2015-04-22 | 三菱电机株式会社 | Moving handrail for passenger conveyor, and device for manufacturing moving handrail for passenger conveyor |
| CN104540765B (en) * | 2012-08-13 | 2016-11-30 | 三菱电机株式会社 | Man-conveyor moving handrail |
| CN105143085A (en) * | 2013-04-24 | 2015-12-09 | 三菱电机株式会社 | Escalator endless handrail and escalator |
| CN104210927A (en) * | 2013-06-04 | 2014-12-17 | 三菱电机株式会社 | Mobile handrail of passenger conveying machine |
| CN104210927B (en) * | 2013-06-04 | 2016-08-24 | 三菱电机株式会社 | The mobile handrail of passenger conveyors |
| CN105905774A (en) * | 2015-02-24 | 2016-08-31 | 三菱电机大楼技术服务株式会社 | Canvas for handrail, moving handrail for passenger conveyor, handrail for passenger conveyor and method for manufacturing handrail for passenger conveyor |
| CN105905774B (en) * | 2015-02-24 | 2019-01-11 | 三菱电机大楼技术服务株式会社 | Handrail canvas, the mobile handrail of passenger conveyors, passenger conveyors handrail and its manufacturing method |
| CN105253760A (en) * | 2015-10-30 | 2016-01-20 | 依合斯电梯扶手（上海）有限公司 | Screw-type hand strap and manufacturing method thereof |
| CN112135725A (en) * | 2018-05-09 | 2020-12-25 | 三菱电机株式会社 | Method for manufacturing movable handrail |
| CN112135725B (en) * | 2018-05-09 | 2022-05-13 | 三菱电机株式会社 | Method for manufacturing moving handrail and method for repairing moving handrail |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100411967C (en) | 2008-08-20 |
| JP2005225636A (en) | 2005-08-25 |
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