CN102085778A - Automobile tyre with improved bead - Google Patents

Automobile tyre with improved bead Download PDF

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Publication number
CN102085778A
CN102085778A CN2010105632565A CN201010563256A CN102085778A CN 102085778 A CN102085778 A CN 102085778A CN 2010105632565 A CN2010105632565 A CN 2010105632565A CN 201010563256 A CN201010563256 A CN 201010563256A CN 102085778 A CN102085778 A CN 102085778A
Authority
CN
China
Prior art keywords
tire lip
carcass
tire
core
tyre
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.)
Pending
Application number
CN2010105632565A
Other languages
Chinese (zh)
Inventor
孔寿吉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hankook Tire and Technology Co Ltd
Original Assignee
Hankook Tire Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hankook Tire Co Ltd filed Critical Hankook Tire Co Ltd
Publication of CN102085778A publication Critical patent/CN102085778A/en
Pending legal-status Critical Current

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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
    • B60C15/00—Tyre beads, e.g. ply turn-up or overlap
    • B60C15/04—Bead cores
    • 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
    • B60C15/00—Tyre beads, e.g. ply turn-up or overlap
    • B60C15/0009—Tyre beads, e.g. ply turn-up or overlap features of the carcass terminal portion
    • 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
    • B60C15/00—Tyre beads, e.g. ply turn-up or overlap
    • B60C15/06—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead
    • B60C15/0628—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead comprising a bead reinforcing layer
    • B60C15/0632—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead comprising a bead reinforcing layer using flippers in contact with and wrapped around the bead core and, at least partially, in contact with the bead filler
    • 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)
    • B29D30/48—Bead-rings or bead-cores; Treatment thereof prior to building the tyre
    • B29D2030/486—Additional components for the tyre bead areas, e.g. cushioning elements, chafers, flippers
    • 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
    • B60C15/00—Tyre beads, e.g. ply turn-up or overlap
    • B60C15/04—Bead cores
    • B60C2015/042—Bead cores characterised by the material of the core, e.g. alloy
    • 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
    • B60C15/00—Tyre beads, e.g. ply turn-up or overlap
    • B60C15/04—Bead cores
    • B60C2015/044—Bead cores characterised by a wrapping layer

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tires In General (AREA)

Abstract

The invention relates to an automobile tyre, especially to an automobile tyre with an improved bead. The object of the invention is to form a bead core by spirally winding steel wires on the periphery of a wire loop constructed by a plurality of steel wires overlapping with each other, so as to increase the contact surface between the tyre core and tyre cords by inserting the tyre cords in the gaps between spirally winded steel wires. In this way, a tyre body may no slip off a bead core even when an inner pressure is applied on a tyre, thereby preventing damage of the bead due to separation of the tyre body.

Description

Improved the automobile tyre of tire lip
Technical field
The present invention relates to a kind of automobile tyre, relate in particular to a kind of automobile tyre that improves the tire lip.
Background technology
Tire is constituted as: be skeleton with the carcass; Central portion at carcass is formed with circumferential belt layer; Circumferential belt layer is provided with tread band; Be provided with the sidewall glue-line in the both sides of tread band; And be provided with the tire lip at the two ends of sidewall glue-line, and, tire is that fundamental constitutes with such structure: in the tire lip, be provided with tire lip packing in by the many overlapping tire lip cores that form of steel wire, tire lip core and tire lip packing are surrounded by carcass.But, in this existing tire, have such problem: can't bear inner pressure of tire and, cause the breakage of tire lip from the landing of tire lip core owing to surround the carcass of tire lip core.
For this reason, proposed a kind of by making carcass anti-package (Turn up) end that surrounds tire lip core engage tire (korean patent application 10-2001-7007967 number) with carcass to prevent the carcass end separating., in this technology, be difficult to when the tire that travels under mal-condition is for a long time applied strong interior pressures, expect to prevent the effect of separating.Thereafter, also proposed a kind of tire (korean patent application 10-2006-0058268 number), it is provided with and will surrounds the compressing core of carcass end compressing on tire lip core of tire lip core, and the compressing core has the tire lip of carcass end compressing on tire lip core., though the carcass of this tire prevent to separate effective, have the shortcoming of making difficulty.
Summary of the invention
In order to solve the above problems, the object of the present invention is to provide a kind of like this tire: even the carcass of encirclement tire lip core travels for a long time under mal-condition and tire is applied strong interior pressure, carcass can not separate from the core landing of tire lip yet, and makes simple.
In order to solve the above problems, the invention provides a kind of tire, when forming tire lip core, form tire lip core by steel wire being wound in a spiral manner on the periphery by the many overlapping bead coils that form of steel wire (wire ring) bundle, the cord of the carcass that surrounds tire lip core is inserted in the groove in each gap of the steel wire of reeling in a spiral manner, thereby enlarges the core of tire lip and the area of contact of body cord.
Description of drawings
Fig. 1 is the partial section of the main portion of one embodiment of the present of invention.
Fig. 2 is the partial perspective view of the tire lip of main portion of the present invention.
Fig. 3 is the partial section that is used to illustrate the main portion of the state of carcass 11 between the steel wire 6 that is wound on the bead coil bundle of the present invention.
The specific embodiment
The invention provides a kind of automobile tyre that improves the tire lip, its structure is: be skeleton with the carcass; Central portion at carcass is formed with circumferential belt layer; Circumferential belt layer is provided with tread band; Be provided with the sidewall glue-line in the both sides of tread band; Be provided with the tire lip at the two ends of sidewall glue-line, in the tire lip, in the tire lip core that constitutes by the many overlapping bead coils that form of steel wire (wire ring), be provided with tire lip packing, tire lip core and tire lip packing are surrounded by carcass, it is characterized in that tire lip core is by by merging steel wire 6 formations on bead coil bundle that many bead coils (wire ring) form and the periphery that is wound on the bead coil bundle in a spiral manner.Below, the present invention will be described by accompanying drawing.
The invention provides a kind of automobile tyre, its structure is: with carcass 1 is skeleton; Central portion at carcass 1 is formed with circumferential belt layer 2; Circumferential belt layer 2 is provided with tread band 3; Be provided with sidewall glue-line 4 in the both sides of tread band 3; Be provided with tire lip 5 at the two ends of sidewall glue-line 4, in the tire lip, the tire lip core that the bead coil bundle 51 that is formed by many bead coils of merging (wire ring) is constituted is provided with tire lip packing 52, tire lip core and tire lip packing 52 are surrounded by carcass 1, it is characterized in that tire lip core is made of bead coil bundle 51 and the steel wire 6 that is wound in a spiral manner on the periphery of bead coil bundle 51.
In addition, the invention provides a kind of tire, wherein, consistent each cord 11 of carcass 1 that makes with the cord number of carcass 1 of pitch number of the steel wire 6 by making coiling bead coil bundle 51 is between the pitch of steel wire 6.
When making tire, make green tire, then green tire is packed in the metal mold for vulcanizing and airbag is set in the inside of green tire, by airbag is expanded green tire is shaped corresponding to the shape of mould, wherein green tire is that fundamental forms with following structure: be skeleton with the carcass, central portion at carcass forms circumferential belt layer, tread band is set on circumferential belt layer, in the both sides of tread band the sidewall glue-line is set, at the two ends of sidewall glue-line the tire lip is set, in the tire lip, be provided with tire lip packing by the many overlapping tire lip cores that form of steel wire, tire lip core and tire lip packing are surrounded by carcass; But in the present invention, when forming tire lip core, be steel wire to be wound on the periphery of being restrainted by the many overlapping bead coils that form of steel wire (wire ring) in a spiral manner form tire lip core, if in above-mentioned adding in the sulphur operation, carcass is stretched because of the swelling force of airbag, then can make each cord that constitutes carcass insert in each gap of described steel wire of reeling in a spiral manner.Therefore, the result has enlarged the cord of carcass and the bonding area of tire lip core, and has strengthened the friction force of tire lip core and body cord, thereby has reduced the separation of carcass, and the reduction of this separation has the effect of the damage that minimizing causes because of the breakage of tire lip.

Claims (2)

1. automobile tyre that improves the tire lip, its structure is, is skeleton with the carcass, is formed with circumferential belt layer at the central portion of carcass, circumferential belt layer is provided with tread band, be provided with the sidewall glue-line in the both sides of tread band, be provided with the tire lip, in the tire lip at the two ends of sidewall glue-line, in the tire lip core that constitutes by merging many bead coils, be provided with tire lip packing, tire lip core and tire lip packing are surrounded by carcass, it is characterized in that
Tire lip core is by constituting by the steel wire that merges on bead coil bundle that many bead coils form and the periphery that is wound on the bead coil bundle in a spiral manner.
2. the automobile tyre that improves the tire lip as claimed in claim 1 is characterized in that the pitch number of the steel wire of coiling bead coil is consistent with the cord number of carcass, and each cord of carcass is between the pitch of steel wire.
CN2010105632565A 2009-12-04 2010-11-29 Automobile tyre with improved bead Pending CN102085778A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2009-0119612 2009-12-04
KR1020090119612A KR101154324B1 (en) 2009-12-04 2009-12-04 Vehicle tire improved bead member

Publications (1)

Publication Number Publication Date
CN102085778A true CN102085778A (en) 2011-06-08

Family

ID=44097881

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010105632565A Pending CN102085778A (en) 2009-12-04 2010-11-29 Automobile tyre with improved bead

Country Status (2)

Country Link
KR (1) KR101154324B1 (en)
CN (1) CN102085778A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004345537A (en) * 2003-05-23 2004-12-09 Fuji Seiko Kk Bead core and pneumatic radial tire using it
CN1655957A (en) * 2002-04-19 2005-08-17 株式会社普利司通 Run flat tire and method of manufacturing the tire
CN101077685A (en) * 2007-06-28 2007-11-28 双星集团有限责任公司 Inflatable pneumatic tyre
CN101528485A (en) * 2006-10-20 2009-09-09 株式会社普利司通 Pneumatic tire

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3096925B2 (en) * 1991-07-22 2000-10-10 横浜ゴム株式会社 Pneumatic radial tire

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1655957A (en) * 2002-04-19 2005-08-17 株式会社普利司通 Run flat tire and method of manufacturing the tire
JP2004345537A (en) * 2003-05-23 2004-12-09 Fuji Seiko Kk Bead core and pneumatic radial tire using it
CN101528485A (en) * 2006-10-20 2009-09-09 株式会社普利司通 Pneumatic tire
CN101077685A (en) * 2007-06-28 2007-11-28 双星集团有限责任公司 Inflatable pneumatic tyre

Also Published As

Publication number Publication date
KR101154324B1 (en) 2012-06-13
KR20110062781A (en) 2011-06-10

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SE01 Entry into force of request for substantive examination
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Application publication date: 20110608