KR101662196B1 - Pneumatic tire - Google Patents
Pneumatic tire Download PDFInfo
- Publication number
- KR101662196B1 KR101662196B1 KR1020150061986A KR20150061986A KR101662196B1 KR 101662196 B1 KR101662196 B1 KR 101662196B1 KR 1020150061986 A KR1020150061986 A KR 1020150061986A KR 20150061986 A KR20150061986 A KR 20150061986A KR 101662196 B1 KR101662196 B1 KR 101662196B1
- Authority
- KR
- South Korea
- Prior art keywords
- belt
- ply
- tread
- main
- ply portion
- Prior art date
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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
- B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
- B60C9/1835—Rubber strips or cushions at the belt edges
- B60C9/185—Rubber strips or cushions at the belt edges between adjacent or radially below the belt plies
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- 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
- B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
- B60C9/20—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
- B60C9/2003—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel characterised by the materials of the belt cords
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
The present invention relates to pneumatic tires.
Wherein the pneumatic tire comprises a tread directly contacting the road surface, a bead coupled to the rim, a body ply wrapped around the bead to form the skeleton of the tire, and a belt disposed between the body ply and the tread, May be extended to enclose the ends of the belt.
Description
The present invention relates to pneumatic tires.
Generally, the pneumatic tire includes a supporting function for supporting the entire load of the vehicle, a power transmission function for transmitting the driving force and the braking force of the vehicle to the road surface, a shock absorbing function for alleviating the external impact caused by the irregular road surface, And a position switching function for switching the position according to the position.
Fig. 5 is a cutaway perspective view showing a conventional pneumatic tire partially cut.
For example, as shown in FIG. 5, the conventional pneumatic tire includes a tread 1 that is in direct contact with the road surface, a
Particularly, the pneumatic tire is divided into a primary molding and a secondary molding. In the primary molding of the pneumatic tire, the attachment of the body ply and the side well is completed, starting from the inner liner. In the secondary molding, The molding of the tread is completed. In this case, the case molded in the first order is referred to as a first case, and the case molded in the second order is referred to as a second case.
However, in this conventional technique, the tread is simply attached to the first case after the vulcanization without any structural connection between the primary molding in which the body ply and the sidewall are installed and the secondary molding in which the belt and the tread are installed, At this time, belt edge separation may occur at the belt end having a relatively high rigidity, and there is no structural connection between the primary case and the secondary case, so that the entire rigidity of the case may be deteriorated.
Embodiments of the present invention seek to provide a pneumatic tire that can improve overall stiffness of a tire.
According to an aspect of the invention, there is provided a tread comprising: a tread directly contacting a road surface; Beads bonded to the rim; A body ply covering the bead to form a skeleton of the tire; And a belt disposed between the body ply and the tread, wherein an end of the body ply may extend to enclose an end of the belt.
At this time, the body ply includes a main ply portion; A first ply portion extending downward from an end of the main ply portion to cover an end bottom surface of the belt; And a second ply portion extending upwardly at an end of the main ply portion to cover an upper surface of the end portion of the belt.
The body ply may further include: a first cord having an end covering an end surface of the belt; And a second cord, the end of which covers the upper surface of the end of the belt.
The first ply covers the bottom surface of the belt so that the first ply is spaced apart from the bottom surface of the belt and the second ply covers the top surface of the belt so that the second ply is spaced from the top surface of the end of the belt. have.
Further, the first code and the second code may be arranged alternately so as to be staggeredly divided at the end portion.
The first code and the second code may be composed of at least one selected from the group consisting of aramid, nylon, polyester, Rayon, and Lyocell.
Further, the belt includes a first belt; And a second belt that is spaced apart from the first belt to prevent stress concentration.
The effect of the pneumatic tire according to the present invention will be described as follows.
According to the embodiments, the rigidity of the entire tire can be improved through the structure in which the end portion of the body ply covers the end portion of the belt, and as a result, the running performance of the tire can be improved.
Further, according to the present embodiments, there is an effect that the separation caused at the end of the belt can be prevented by strengthening the restraining force on the belt by using the body ply.
1 is a cross-sectional view of a pneumatic tire according to an embodiment of the present invention.
Fig. 2 is an enlarged view showing a portion "A" in Fig.
3 is a cut-away perspective view of a pneumatic tire according to an embodiment of the present invention.
4 is an enlarged perspective view of an end portion of a body play according to an embodiment of the present invention.
Fig. 5 is a cutaway perspective view showing a conventional pneumatic tire partially cut.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, configurations and operations according to embodiments of the present invention will be described in detail with reference to the accompanying drawings. DETAILED DESCRIPTION OF THE INVENTION The following description is one of many aspects of the claimed invention and the following description may form part of the detailed description of the invention. However, the detailed description of known configurations or functions in describing the present invention may be omitted for clarity.
While the invention is susceptible to various modifications and its various embodiments, it is intended to illustrate the specific embodiments and the detailed description. It is to be understood, however, that the invention is not to be limited to the specific embodiments, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
And terms including ordinals such as first, second, etc. may be used to describe various elements, but the constituent elements are not limited by such terms. These terms are used only to distinguish one component from another. It is to be understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, . The terminology used in this application is used only to describe a specific embodiment and is not intended to limit the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise.
Fig. 1 is a cross-sectional view of a pneumatic tire according to an embodiment of the present invention, Fig. 2 is an enlarged view of the portion "A" Is a cutaway perspective view showing the tire partially cut.
1 to 3, the
The
The structure of the
The
The
4 is an enlarged perspective view of an end portion of a body play according to an embodiment of the present invention.
4, the
The
The
In this embodiment, the
Particularly, the
For example, when the
The
The
As described above, according to the present invention, the rigidity of the entire tire can be improved through the structure in which the end portion of the body ply covers the end portion of the belt, the running performance of the tire can be improved, So that the separation force generated at the end portion of the belt can be prevented.
Although the pneumatic tire according to the embodiment of the present invention has been described above as a specific embodiment, the present invention is not limited thereto, and the present invention is not limited thereto, and should be construed as having the widest range according to the basic idea disclosed in this specification do. Skilled artisans may implement a pattern of features that are not described in a combinatorial and / or permutational manner with the disclosed embodiments, but this is not to depart from the scope of the present invention. It will be apparent to those skilled in the art that various changes and modifications may be readily made without departing from the spirit and scope of the invention as defined by the appended claims.
100: Tread 200: Bead
300: Body fly 310: Body fly
301: first code 302: second code
310: main fly portion 320: first fly portion
330: second ply part 400: belt
410: first belt 420: second belt
510: Inner Liner 520: Sidewall
Claims (7)
Beads bonded to the rim;
A body ply covering the bead to form a skeleton of the tire; And
And a belt disposed between the body ply and the tread, wherein an end of the body ply extends to enclose an end of the belt,
The body ply includes a main ply portion positioned between the tread and the inner liner and surrounding the bead in a turn-up manner, and a first ply portion extending downwardly from the end portion of the main ply portion, And a second ply portion extending upwardly of the belt to cover an upper end surface of the belt at an end of the main ply portion,
Wherein the first ply portion extends only at an end portion of the main ply portion, and the second ply portion is formed such that only the second ply portion is extended from the main ply portion to the main ply portion, Wherein the first cord and the second cord are divided in the upper and lower directions of the belt so as to be offset from each other.
The first code and the second code are
A pneumatic tire comprising at least one selected from the group consisting of Aramid, Nylon, Polyester, Rayon, and Lyocell.
The belt
A first belt; And
And a second belt spaced apart from the first belt so as to prevent stress concentration.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020150061986A KR101662196B1 (en) | 2015-04-30 | 2015-04-30 | Pneumatic tire |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020150061986A KR101662196B1 (en) | 2015-04-30 | 2015-04-30 | Pneumatic tire |
Publications (1)
Publication Number | Publication Date |
---|---|
KR101662196B1 true KR101662196B1 (en) | 2016-10-04 |
Family
ID=57165145
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020150061986A KR101662196B1 (en) | 2015-04-30 | 2015-04-30 | Pneumatic tire |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR101662196B1 (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010221920A (en) * | 2009-03-25 | 2010-10-07 | Bridgestone Corp | Pneumatic tire |
-
2015
- 2015-04-30 KR KR1020150061986A patent/KR101662196B1/en active IP Right Grant
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010221920A (en) * | 2009-03-25 | 2010-10-07 | Bridgestone Corp | Pneumatic tire |
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GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20190904 Year of fee payment: 4 |