CN107444019A - Radial-ply tyre belt and its production technology and the radial-ply tyre comprising the belt - Google Patents
Radial-ply tyre belt and its production technology and the radial-ply tyre comprising the belt Download PDFInfo
- Publication number
- CN107444019A CN107444019A CN201710698271.2A CN201710698271A CN107444019A CN 107444019 A CN107444019 A CN 107444019A CN 201710698271 A CN201710698271 A CN 201710698271A CN 107444019 A CN107444019 A CN 107444019A
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- China
- Prior art keywords
- belt
- radial
- ply tyre
- fiber
- zero
- 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.)
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 239000000835 fiber Substances 0.000 claims abstract description 53
- 239000011229 interlayer Substances 0.000 abstract description 9
- 239000010410 layer Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/0042—Reinforcements made of synthetic materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/38—Textile inserts, e.g. cord or canvas layers, for tyres; Treatment of inserts prior to building the tyre
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B25/042—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material of natural rubber or synthetic rubber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/02—Carcasses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/38—Textile inserts, e.g. cord or canvas layers, for tyres; Treatment of inserts prior to building the tyre
- B29D2030/381—Textile inserts, e.g. cord or canvas layers, for tyres; Treatment of inserts prior to building the tyre the inserts incorporating reinforcing parallel cords; manufacture thereof
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Tires In General (AREA)
Abstract
The present invention proposes a kind of radial-ply tyre belt and its production technology and the radial-ply tyre comprising the belt, the shear action of each interlayer in belt can be effectively reduced, alleviate phenomena such as shoulder is empty, shoulder splits, improve the durability of radial-ply tyre, extend the service life of radial-ply tyre.The radial-ply tyre belt includes the first belt, the second belt and the 3rd belt for radially pressing connection successively from inside to outside along radial-ply tyre, the axial both ends of 3rd belt are respectively equipped with zero-degree belt, and the zero-degree belt connects with second belt pressing；The radial-ply tyre belt also includes the fiber belt for being symmetricly set in radial-ply tyre axial direction both ends, on the outside of the axial end portion of first belt, the second belt and zero-degree belt, the fiber belt overlaps the fiber belt package respectively with the first belt and zero-degree belt.
Description
Technical field
The invention belongs to tyre technology, more particularly to a kind of radial-ply tyre belt and its production technology and comprising
The radial-ply tyre of the belt.
Background technology
In the structure of radial-ply tyre (i.e. radial), belt is between carcass and tyre surface, and it is along radial-ply tyre
Circumferencial direction is set and banding carcass.Belt is the main stressed member in radial-ply tyre structure, and its structure will directly affect son
The service life of noon tire, for radial heavy duty tire, the design of belt structure is even more particularly important.
At present, the belt used in traditional radial heavy duty tire is generally " 3+0 structures ", i.e., by the first belt, the
Two belts, the 3rd belt and zero-degree belt are formed.However, in the belt of this traditional structure, the first belt,
Second belt and the 3rd belt are pressing structure layer by layer, when the periphery stress of radial-ply tyre, each interlayer production in belt
Raw larger shear action, the stress concentration position of radial-ply tyre tire shoulder can be made by alternate load effect, and then trigger fatigue broken
It is bad, cause the appearance for phenomena such as shoulder is empty, shoulder splits, constrain the service life of radial-ply tyre significantly, can not meet that user increasingly improves
Requirement.
Therefore, the structure of radial-ply tyre belt how is designed, reduces the shear action of each interlayer in belt, to alleviate shoulder
Phenomena such as empty, shoulder splits, it is a current technical problem for being badly in need of solving.
The content of the invention
The present invention is directed to above-mentioned technical problem, proposes a kind of radial-ply tyre belt and its production technology and comprising this
The radial-ply tyre of belt, the shear action of each interlayer in belt can be effectively reduced, alleviate phenomena such as shoulder is empty, shoulder splits, improve
The durability of radial-ply tyre, extend the service life of radial-ply tyre.
In order to achieve the above object, the technical solution adopted by the present invention is：
The present invention proposes a kind of radial-ply tyre belt, including radially presses the first of connection successively from inside to outside along radial-ply tyre
Belt, the second belt and the 3rd belt, the axial both ends of the 3rd belt are respectively equipped with zero-degree belt, described
Zero-degree belt connects with second belt pressing；The radial-ply tyre belt also includes being symmetricly set in the radial-ply tyre
The fiber belt at axial both ends, the fiber belt package is in first belt, the second belt and nullity belt beam
On the outside of the axial end portion of layer, the fiber belt overlaps respectively with the first belt and zero-degree belt.
Preferably, the fiber belt and the lap of splice of the first belt and zero-degree belt are 5mm-15mm.
Preferably, the cord of the fiber belt is along the circumferentially disposed of the radial-ply tyre.
Preferably, the circumferential center line of first belt, the second belt and the 3rd belt with the son
The circumferential centerline collineation of noon tire, the fiber belt relative to the radial-ply tyre circumferential center line symmetrical setting.
Preferably, the width of second belt is the 80%-90% of the radial-ply tyre tread width.
Preferably, the width of first belt is less than the width of second belt, and it is located at the meridian
Spacing between the end face of first belt and the end face of the second belt of the same axial end portion of tire is 10mm-15mm.
Preferably, the width of the 3rd belt is the 50%-55% of second belt width.
Preferably, the width of the zero-degree belt is the 10%-20% of second belt width.
The present invention also proposes a kind of production technology of the radial-ply tyre belt described in technical scheme of any one as described above, including
Following steps：
Fiber belt is bonded respectively on two auxiliary drums of forming machine, and is bonded between two fiber belts
One belt, and the axial both ends of first belt are overlapped with the fiber belt respectively；
The second belt and the 3rd belt are bonded successively outside first belt, in the axle of the 3rd belt
Wind two layers of zero-degree belt respectively to both ends；
The fiber belt is overturn so that the first belt, the second belt are stated in the fiber belt package residence
With the axial end portion of zero-degree belt, and overlap the fiber belt and zero-degree belt.
The present invention also proposes a kind of radial-ply tyre, including carcass, and the carcass pressing is just like any of the above-described technical scheme institute
The radial-ply tyre belt stated.
Compared with prior art, the advantages of the present invention are：
1st, radial-ply tyre belt provided by the invention is by the fiber belt of setting, by the first belt, the second band beam
The axial end portion of layer and zero-degree belt wraps, and can reduce the deformation of radial-ply tyre belt axial end portion, improves radial-ply tyre
The stickiness of each interlayer in belt, reduce the shear action of each interlayer, can effectively alleviate phenomena such as shoulder is empty, shoulder splits, improve
The durability of radial-ply tyre, extend the service life of radial-ply tyre, be particularly suitable for use in radial heavy duty tire；
2nd, the production technology of radial-ply tyre belt provided by the invention, the axial both ends of acquisition can be produced and be enclosed with fiber band
The radial-ply tyre belt of beam layer, and production technology is relatively simple, production efficiency is high, and production cost is low；
3rd, radial-ply tyre provided by the invention, when its periphery stress, the shear action of each interlayer in radial-ply tyre belt
Smaller, the alternate load effect that the stress concentration position of radial-ply tyre tire shoulder is subject to is relatively small, and it is existing to be less prone to that shoulder is empty, shoulder splits etc.
As there is good durability, service life length, there is significant application value.
Brief description of the drawings
Fig. 1 is the structural representation of radial-ply tyre belt provided in an embodiment of the present invention；
Fig. 2 is the structural representation of radial-ply tyre provided in an embodiment of the present invention；
Above in each figure：1st, the first belt；2nd, the second belt；3rd, the 3rd belt；4th, zero-degree belt；5th, fiber
Belt；6th, carcass；7th, tyre surface.
Embodiment
Below, the present invention is specifically described by exemplary embodiment.It should be appreciated, however, that do not entering one
In the case of step narration, element, structure and features in an embodiment can also be advantageously incorporated into other embodiment
In.
In the description of the invention, it is necessary to explanation, the rotor shaft direction of radial-ply tyre for axially, circumferencial direction to be circumferential,
It is radial direction along the direction of radius, and is outside along the direction that radius increases, the direction reduced along radius is inside.Also need to illustrate
, the horizontal direction in Fig. 1 and Fig. 2 is axially.Further, the orientation or position relationship of the instruction such as term " interior ", " outer "
For the position relationship shown in based on accompanying drawing 1, description description of the invention and simplified, rather than instruction or hint institute are for only for ease of
The device or element of finger must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this hair
Bright limitation.In addition, term " first ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or implying phase
To importance.
As shown in figure 1, radially pressed successively from inside to outside the present invention relates to a kind of radial-ply tyre belt, including along radial-ply tyre
The first belt 1, the second belt 2 and the 3rd belt 3, the axial both ends of the 3rd belt 3 connected are respectively equipped with zero degree
Belt 4, the pressing connection of the belt 2 of zero-degree belt 4 and second, radial-ply tyre belt also include being symmetricly set in radial-ply tyre axle
To the fiber belt 5 at both ends, fiber belt 5 is wrapped in the axle of the first belt 1, the second belt 2 and zero-degree belt 4
On the outside of to end, fiber belt 5 overlaps respectively with the first belt 1 and zero-degree belt 4.It should be noted that first band
Beam layer 1, the second belt 2, the 3rd belt 3 and zero-degree belt 4 are steel belt.In addition it is also necessary to explanation,
Zero-degree belt 4 positioned at 3 each axial end portion of the 3rd belt is arranged to two layers.
Radial-ply tyre belt provided by the invention is by the fiber belt 5 of setting, by first belt the 1, second band beam
The axial end portion of layer 2 and zero-degree belt 4 wraps, and can reduce the deformation of radial-ply tyre belt axial end portion, improves meridian
The stickiness of each interlayer in tire belt layer, reduce the shear action of each interlayer, can effectively alleviate phenomena such as shoulder is empty, shoulder splits, carry
The durability of high radial-ply tyre, extend the service life of radial-ply tyre, be particularly suitable for use in radial heavy duty tire.
In order to ensure that the belt 1 of fiber belt 5 and first and zero-degree belt 4 are overlapped firmly, as a preferred embodiment, fine
The lap of splice for tieing up the belt 1 of belt 5 and first and zero-degree belt 4 is 5mm-15mm.It should be noted that at this preferably
In embodiment, fiber belt 5 and the lap of splice of the first belt 1 and zero-degree belt 4 are further limited, this is mainly examined
Consider：When the lap of splice is less than 5mm, the overlap joint of fiber belt 5 and the first belt 1 and zero-degree belt 4 is insecure, easy
Depart from；When the lap of splice is more than 15mm, certain waste can be caused.Thus, the lap of splice limited in this preferred embodiment
For optimized scope, while material is saved, it can ensure that fiber belt 5 overlaps with the first belt 1 and zero-degree belt 4
Firmly.It is understood that those skilled in the art can select the suitable lap of splice according to being actually needed, as long as can
Ensure that fiber belt 5 and the first belt 1 and zero-degree belt 4 overlap firmly.
Further, in the specific embodiment of the present invention, the cord of fiber belt 5 is set along the circumference of radial-ply tyre
Put, i.e., the cord angle of fiber belt 5 is 0 °.When radial-ply tyre stress, the fiber belt 5 that so sets, what it was subject to
Shear action is minimum, and fiber belt 5 can be avoided to depart from the first belt 1 and zero-degree belt 4.
Further, as shown in figure 1, the circumferential center line of the first belt 1, the second belt 2 and the 3rd belt 3 is equal
With the circumferential centerline collineation of radial-ply tyre, fiber belt 5 relative to radial-ply tyre circumferential center line symmetrical setting.So set
First belt 1, the second belt 2, the 3rd belt 3 and fiber belt 5, radial-ply tyre belt entirety stress can be ensured
Uniformly, be advantageous to extend the service life of radial-ply tyre.
As shown in figure 1, in the specific embodiment of the present invention, the width of the second belt 2 is the width of radial-ply tyre tyre surface 7
80%-90%.The second belt 2 so set, as the working lining of radial-ply tyre belt, can be obviously improved radial-ply tyre
The distribution of ground pressure, be advantageous to improve the durability of radial-ply tyre.It is understood that those skilled in the art can be according to reality
Border application needs, the width of the second belt of specific design 2.
Further, as shown in figure 1, the width of the first belt 1 is less than the width of the second belt 2, and it is located at meridian
Spacing between the end face of first belt 1 of the same axial end portion of tire and the end face of the second belt 2 is 10mm-15mm.Enter
One step, the width of the 3rd belt 3 is the 50%-55% of the width of the second belt 2.The width of zero-degree belt 4 is second
The 10%-20% of the width of belt 2.The radial-ply tyre belt so set, its first belt 1, the second belt the 2, the 3rd
The width of belt 3 and zero-degree belt 4 can form certain poor level, can avoid the steel wire in each layer in axial end portion
Phase mutual friction, the heat of axial end portion can be effectively reduced, be advantageous to improve the durability of radial-ply tyre, extend the use of radial-ply tyre
Life-span.
The invention also provides a kind of production technology of the radial-ply tyre belt described in embodiment of any one as described above, including
Following steps：
S1：Fiber belt 5 is bonded respectively on two auxiliary drums of forming machine, is bonded between two fiber belts 5
First belt 1, and the axial both ends of the first belt 1 are overlapped with fiber belt 5 respectively；
S2：The second belt 2 and the 3rd belt 3 are bonded successively outside the first belt 1, in the axle of the 3rd belt 3
Wind two layers of zero-degree belt 4 respectively to both ends；
S3：Fiber belt 5 is overturn so that fiber belt 5 wraps the first belt 1, the second belt 2 and zero
The axial end portion of belt 4 is spent, and fiber belt 5 is overlapped with zero-degree belt 4.
In the preferred embodiment of the present invention, the overlap joint of the belt 1 of fiber belt 5 and first and zero-degree belt 4
Length is 5mm-15mm.
The production technology of radial-ply tyre belt provided by the invention, the axial both ends of acquisition can be produced and be enclosed with fiber band beam
The radial-ply tyre belt of layer 5, and production technology is relatively simple, production efficiency is high, and production cost is low.
As shown in Fig. 2 the invention also provides a kind of radial-ply tyre, including carcass 6, carcass 6 is pressed just like any of the above-described
Radial-ply tyre belt described in embodiment.The radial-ply tyre of this structure, when its periphery stress, each layer in radial-ply tyre belt
Between shear action it is smaller, the alternate load effect that the stress concentration position of radial-ply tyre tire shoulder is subject to is relatively small, is less prone to
Phenomena such as shoulder is empty, shoulder splits, there is good durability, service life length, there is significant application value.
Claims (10)
1. a kind of radial-ply tyre belt, including radially press along radial-ply tyre the first belt (1) of connection, the successively from inside to outside
Two belts (2) and the 3rd belt (3), the axial both ends of the 3rd belt (3) are respectively equipped with zero-degree belt (4),
The zero-degree belt (4) connects with second belt (2) pressing, it is characterised in that：The radial-ply tyre belt also wraps
The fiber belt (5) for being symmetricly set in radial-ply tyre axial direction both ends is included, the fiber belt (5) is wrapped in described first
On the outside of the axial end portion of belt (1), the second belt (2) and zero-degree belt (4), the fiber belt (5) and first
Belt (1) and zero-degree belt (4) overlap respectively.
2. radial-ply tyre belt according to claim 1, it is characterised in that：The fiber belt (5) and first band beam
The lap of splice of layer (1) and zero-degree belt (4) is 5mm-15mm.
3. radial-ply tyre belt according to claim 1 or 2, it is characterised in that：The cord edge of the fiber belt (5)
The radial-ply tyre it is circumferentially disposed.
4. radial-ply tyre belt according to claim 1, it is characterised in that：First belt (1), the second belt
(2) and the 3rd belt (3) circumferential centerline collineation of the circumferential center line with the radial-ply tyre, the fiber belt
(5) relative to the circumferential center line symmetrical setting of the radial-ply tyre.
5. the radial-ply tyre belt according to claim 1 or 4, it is characterised in that：The width of second belt (2) is
The 80%-90% of radial-ply tyre tyre surface (7) width.
6. radial-ply tyre belt according to claim 5, it is characterised in that：The width of first belt (1) is less than
The width of second belt (2), and the end face of first belt (1) positioned at the same axial end portion of the radial-ply tyre
Spacing between the end face of the second belt (2) is 10mm-15mm.
7. radial-ply tyre belt according to claim 5, it is characterised in that：The width of 3rd belt (3) is institute
State the 50%-55% of the second belt (2) width.
8. radial-ply tyre belt according to claim 5, it is characterised in that：The width of the zero-degree belt (4) is institute
State the 10%-20% of the second belt (2) width.
9. the production technology of a kind of radial-ply tyre belt as described in claim any one of 1-8, it is characterised in that including as follows
Step：
Fiber belt (5) is bonded respectively on two auxiliary drums of forming machine, is bonded between two fiber belts (5)
First belt (1), and the axial both ends of first belt (1) are overlapped with the fiber belt (5) respectively；
The second belt (2) and the 3rd belt (3) are bonded successively outside in first belt (1), in the described 3rd band beam
The axial both ends of layer (3) wind two layers of zero-degree belt (4) respectively；
The fiber belt (5) is overturn so that the fiber belt (5) wraps first belt (1), second
The axial end portion of belt (2) and zero-degree belt (4), and the fiber belt (5) is overlapped with zero-degree belt (4).
10. a kind of radial-ply tyre, including carcass (6), it is characterised in that：Carcass (6) pressing is just like any one of claim 1-8
Described radial-ply tyre belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710698271.2A CN107444019A (en) | 2017-08-15 | 2017-08-15 | Radial-ply tyre belt and its production technology and the radial-ply tyre comprising the belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710698271.2A CN107444019A (en) | 2017-08-15 | 2017-08-15 | Radial-ply tyre belt and its production technology and the radial-ply tyre comprising the belt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107444019A true CN107444019A (en) | 2017-12-08 |
Family
ID=60491207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710698271.2A Withdrawn CN107444019A (en) | 2017-08-15 | 2017-08-15 | Radial-ply tyre belt and its production technology and the radial-ply tyre comprising the belt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107444019A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101890880A (en) * | 2006-01-20 | 2010-11-24 | 横滨橡胶株式会社 | Air-inflation tyre |
| CN102114756A (en) * | 2011-02-23 | 2011-07-06 | 杭州中策橡胶有限公司 | All-steel loading radial tire with zero-degree belted layer structure |
| CN207140699U (en) * | 2017-08-15 | 2018-03-27 | 青岛双星轮胎工业有限公司 | Radial-ply tyre belt and the radial-ply tyre comprising the belt |
-
2017
- 2017-08-15 CN CN201710698271.2A patent/CN107444019A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101890880A (en) * | 2006-01-20 | 2010-11-24 | 横滨橡胶株式会社 | Air-inflation tyre |
| CN102114756A (en) * | 2011-02-23 | 2011-07-06 | 杭州中策橡胶有限公司 | All-steel loading radial tire with zero-degree belted layer structure |
| CN207140699U (en) * | 2017-08-15 | 2018-03-27 | 青岛双星轮胎工业有限公司 | Radial-ply tyre belt and the radial-ply tyre comprising the belt |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171208 |
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| WW01 | Invention patent application withdrawn after publication |