CN201073910Y - Tyre having cord fabric graded sealing film - Google Patents
Tyre having cord fabric graded sealing film Download PDFInfo
- Publication number
- CN201073910Y CN201073910Y CNU2007200812885U CN200720081288U CN201073910Y CN 201073910 Y CN201073910 Y CN 201073910Y CN U2007200812885 U CNU2007200812885 U CN U2007200812885U CN 200720081288 U CN200720081288 U CN 200720081288U CN 201073910 Y CN201073910 Y CN 201073910Y
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- difference
- cord
- sealing film
- tyre
- difference grade
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Abstract
The utility model relates to a tyre with cord difference grade sealing film, which comprises a tyre surface, a matrix cord layer, a buffer layer, an air retaining liner, and a tread band, wherein the circle of the end of at least one cord difference grade of a flipper cord difference grade, a tyre inner layer cord muffle turn-up difference grade, and a buffer layer cord difference grade and a tyre turn-down difference grade at two ends of the buffer layer cord is adhered with a sealing film, each cord difference grade sealing film accoridng to the stress difference on each difference grade selects the film with different thicknesses. Since the sealing film is thin, when tyre is aerated and expanded, the distance widening of cords at different grade portion is not affected, and the cord distance at difference grade portion is consistent with the distances of other cords on the circle. After sulfuration, the sealing film can be fused with the tyre. The sealing film improves the adhesive surface at end, improves the adhesive strength of tyre cord difference grade portion, prevent cord to delaminate and gap, and prevent end to gap or the like.
Description
(1) technical field:
The utility model relates to a kind of tire, particularly a kind of tire with curtain cloth difference grade sealing film.
(2) background technology:
At present, common diagonal tyre is widely used on various full-sized cars.Diagonal tyre is meant that carcass plies and each adjacent layer cord of cushion layer intersect, and is the tire of arranging less than 90 ° of angles with circumferential line, and it mainly is made up of tyre surface, casingply, cushion layer, air-retaining liner and tyre bead.Tyre surface is the uppermost layer of cover tire, comprises crown, tire shoulder and sidewall three parts.Casingply is the skeleton of cover tire, also claims carcass, is formed with rubber adhesion by multilayer kiss-coating cord usually, and it mainly acts on is bearing load, keeps the shape and size of cover tire, makes cover tire have certain intensity.Cushion layer is between tyre surface and carcass plies, generally make with two-layer or several layers of more sparse cord and the bigger rubber of elasticity, its elasticity is bigger, suffered impact in the time of relaxing automobile and on uneven road surface, travel, and prevent that automobile breaks away from emergency brake braking time tyre surface and carcass plies.Tyre bead is made up of bead coil, cord bound edge and chafer, has very big rigidity and intensity, can make firm being contained on the wheel rim of tire.
For oblique giant embryo, tire can bear very large stress in the ground connection rolling process of bearing load.The carcass plies of present oblique crossing large tyre and cushion layer generally all roll good rubberized cord in advance by multilayer and form by the cutting applying, step appears in the horizontal end at the anti-package bead coil position that directly the piling up of multilayer cord can be caused casingply and the tire shoulder position of cushion layer, this must cause the tire stress concentration at end points place in use, and existing solution is to adopt the dislocation method of attaching to avoid the generation of end effect casingply and cushion layer.But, because casingply is more, only adopt the wrong mode of pasting of cord, can not solve problems such as carcass plies anti-package difference level end points cord head is exposed.In use tire can be poor because of curtain cloth difference grade end points bond properties, and cause the end delamination of carcass plies difference level and come to nothing, and then the crisis traffic safety.
(3) utility model content:
The purpose of this utility model is to disclose a kind of tire with curtain cloth difference grade sealing film that can effectively improve carcass plies difference level termination Joint strenght.
The utlity model has the tire of curtain cloth difference grade sealing film, comprise tyre surface, casingply, cushion layer, air-retaining liner, tyre bead; The outer bandage anti-package of the steel ring infantees difference level that each layer cord forms, carcass internal layer bandage anti-package difference level and carcass difference level, the cushion layer curtain cloth difference grade at cushion layer cord two ends, tire are just wrapping the difference level, add on the circumference at any one or two or a plurality of position, termination in the curtain cloth difference grade and post the sealing rubber sheet.Seal film and strengthened the bond area of end, improved the bond strength at tyre canvas difference level position, prevent that cord from producing delamination, breach and termination problem such as come to nothing.
In order effectively to cover position, carcass plies difference level termination, the described width that seals film should be greater than the poor level width of carcass plies, and is at least also identical with the poor level width of carcass plies.
Described to seal film be width between 40mm～120mm, the rectangle film of thickness between 0.4mm～1.2mm.
Described each curtain cloth difference grade sealing film can be selected the adhesive tape of same thickness for use, also can select the adhesive tape of different-thickness according to the difference of the suffered stress of each difference level for use, and it is little to seal film thickness, when the moulding of carcass inflation, can not hinder widening of difference level position cord spacing, the spacing of other cord is consistent on the cord spacing at difference level position and the circumference.Thickness as internal layer bandage anti-package difference level and steel ring infantees difference grade sealing film equates; The thickness that seals film that outer bandage anti-package difference level, buffering curtain cloth difference grade and tire are just wrapping the difference level equates; And the thickness of internal layer bandage anti-package difference level and steel ring infantees difference grade sealing film is just wrapping the thickness that seals film of difference level less than outer bandage anti-package difference level, buffering curtain cloth difference grade and tire.After sulfuration, seal film and carcass and merge.
The advantage that the utlity model has the tire of curtain cloth difference grade sealing film is:
1, pastes on the basis that forms the difference level in the cord fault of routine, increase and seal film, strengthened the intensity at the position, termination of carcass plies difference level, guarantee the problem of coming to nothing in tire delamination, breach and termination, guaranteed tire quality.
2, this law is simple, does not increase equipment.
(4) description of drawings:
Fig. 1 is a curtain cloth difference grade position partial schematic diagram in a kind of tire building process of embodiment;
Fig. 2 is the structural representation behind the tire building of Fig. 1.
Description of drawings:
1, tyre surface 2, cushion layer 3, buffering curtain cloth difference grade 4, outer bandage anti-package difference level 5, tire are just wrapping difference level 6, steel ring infantees difference level 7, are sealing film 8, tyre bead 9, internal layer bandage anti-package difference level 10, casingply 11, air-retaining liner
(5) specific embodiment:
Below in conjunction with accompanying drawing present embodiment is described in further details.
As shown in Figure 1, the step of curtain cloth difference grade sealing method embodiment is as follows:
1) film 7 is sealed in preparation, with three roller film flattening mill machines calendering width is 100mm, and thickness is that 0.6mm and width are 100mm, and thickness is two kinds of rectangle films of 0.9mm, to seal film 7 with shield and roll stand-byly, it uses length identical with the circumference at position, carcass plies difference level termination.
2) a plurality of width of gained are 100mm, and thickness is that the rectangle film of 0.6mm is affixed on internal layer bandage anti-package difference level 9 positions and steel ring infantees difference level 6 positions respectively, and the center at position, carcass plies difference level termination is overlapping with the line of centers that seals film 7.
3) a plurality of width of gained are 100mm, thickness is that the rectangle film of 0.9mm is affixed on outer bandage anti-package difference level position 4 respectively, buffering curtain cloth difference grade 3 and tire are just wrapping a difference level position, 5 termination, and the center at position, carcass plies difference level termination is overlapping with the line of centers that seals film 7;
4) before moulding, will seal on the film 7 compacting at position, carcass plies difference level termination, and make and seal film 7 and paste consolidation with carcass plies difference level place with pressure roller.
The fetus of above-mentioned steps gained is prepared tire as shown in Figure 2 after technologies such as overmolding, sulfuration, comprise tyre surface 1, casingply 10, cushion layer 2, air-retaining liner 11 and tyre bead 8; The steel ring infantees difference level 6 of anti-package bead coil, carcass internal layer bandage anti-package difference level 9 and outer bandage anti-package difference level 4, the cushion layer curtain cloth difference grade 3 at cushion layer carcass plies two ends, tire are just wrapping all to post on the difference level 5 and are sealing film 7.The width that respectively seals film 7 is identical with subsides carcass plies difference level width; The film thickness that seals at internal layer bandage anti-package difference level 9 and steel ring infantees difference level 6 places seals film 7 thickness less than what outer bandage anti-package difference level 4, buffering curtain cloth difference grade 3 and tire were just wrapping difference level 5 places, its ectomesoderm bandage anti-package difference level 4 places seal film 7 thickness and cushion layer curtain cloth difference grade 3 and tire just wrapping difference grade 5 places to seal film 7 thickness identical; Film 7 thickness that seal that steel wire anti-package difference level 6 and tire are just wrapping 5 difference level places equate with the film thickness that seals at internal layer bandage anti-package difference level 9 places.
The utility model curtain cloth difference grade sealing method is specially adapted to use in the production of oblique crossing large tyre.
Claims (5)
1. the tire that has the curtain cloth difference grade sealing film comprises tyre surface (1), casingply (10), cushion layer (2), air-retaining liner (11) and tyre bead (8); The outer bandage anti-package difference level (4) of the steel ring infantees difference level (6) that each layer cord forms, carcass internal layer bandage anti-package difference level (9) and carcass, the cushion layer curtain cloth difference grade (3) at cushion layer cord two ends, tire are just wrapping difference level (5), it is characterized in that:
Add on the circumference at any one or two or a plurality of position, termination in the described curtain cloth difference grade and post sealing rubber sheet (7).
2. the tire with curtain cloth difference grade sealing film according to claim 1 is characterized in that:
The described width that seals film (7) is greater than or equal to the poor level width of carcass plies.
3. the tire with curtain cloth difference grade sealing film according to claim 2 is characterized in that:
The described film (7) that seals is the rectangle film of width between 40mm～120mm.
4. the tire with curtain cloth difference grade sealing film according to claim 3 is characterized in that:
The described thickness that seals film (7) is 0.4mm～1.2mm.
5. according to any described tire in the claim 1～4, it is characterized in that with curtain cloth difference grade sealing film:
The thickness of described internal layer bandage anti-package difference level and steel ring infantees difference grade sealing film is less than the thickness of outer bandage anti-package difference level and buffering curtain cloth difference grade sealing film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200812885U CN201073910Y (en) | 2007-09-27 | 2007-09-27 | Tyre having cord fabric graded sealing film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200812885U CN201073910Y (en) | 2007-09-27 | 2007-09-27 | Tyre having cord fabric graded sealing film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201073910Y true CN201073910Y (en) | 2008-06-18 |
Family
ID=39519172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200812885U Expired - Lifetime CN201073910Y (en) | 2007-09-27 | 2007-09-27 | Tyre having cord fabric graded sealing film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201073910Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103978839A (en) * | 2014-05-05 | 2014-08-13 | 中橡集团曙光橡胶工业研究设计院 | Method for preventing large hierarchical aircraft tire cord fabric backward-packed ends from being disengaged |
| CN107878115A (en) * | 2017-11-28 | 2018-04-06 | 中国化工集团曙光橡胶工业研究设计院有限公司 | A kind of method for improving tyre bead fatigue performance |
| CN110722935A (en) * | 2019-11-13 | 2020-01-24 | 中国化工集团曙光橡胶工业研究设计院有限公司 | Radial aircraft tire bead structure resistant to high-speed fatigue |
-
2007
- 2007-09-27 CN CNU2007200812885U patent/CN201073910Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103978839A (en) * | 2014-05-05 | 2014-08-13 | 中橡集团曙光橡胶工业研究设计院 | Method for preventing large hierarchical aircraft tire cord fabric backward-packed ends from being disengaged |
| CN107878115A (en) * | 2017-11-28 | 2018-04-06 | 中国化工集团曙光橡胶工业研究设计院有限公司 | A kind of method for improving tyre bead fatigue performance |
| CN110722935A (en) * | 2019-11-13 | 2020-01-24 | 中国化工集团曙光橡胶工业研究设计院有限公司 | Radial aircraft tire bead structure resistant to high-speed fatigue |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20070927 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |