CN2792839Y - Explosive-proof and self-repairing tyre with multiple sub-tyres - Google Patents

Explosive-proof and self-repairing tyre with multiple sub-tyres Download PDF

Info

Publication number
CN2792839Y
CN2792839Y CN 200420013304 CN200420013304U CN2792839Y CN 2792839 Y CN2792839 Y CN 2792839Y CN 200420013304 CN200420013304 CN 200420013304 CN 200420013304 U CN200420013304 U CN 200420013304U CN 2792839 Y CN2792839 Y CN 2792839Y
Authority
CN
China
Prior art keywords
tire
tyre
sub
spare
inner tube
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.)
Expired - Lifetime
Application number
CN 200420013304
Other languages
Chinese (zh)
Inventor
朱建业
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN 200420013304 priority Critical patent/CN2792839Y/en
Application granted granted Critical
Publication of CN2792839Y publication Critical patent/CN2792839Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Abstract

The utility model relates to a structure for a motor vehicle tyre, an airplane tyre and a rickshaw tyre, which belongs to the field of tyre manufacturing. The utility model comprises a wheel hub and a cover tyre, wherein an inner tyre in the cover tyre is composed of two or more than two auxiliary tyres. The auxiliary tyre is filled with air and is not provided with an air valve, and the auxiliary tyre is in a ring shape or in a disc shape or in a coil pipe isolation type or in a fan shape or in a bent pipe clamping wedge shape. When the auxiliary tyre is in the ring shape, a spare inner tyre is arranged between the wheel hub and the auxiliary tyre, and the spare inner tyre is provided with an air valve. When the auxiliary tyre is in the coil pipe isolation type, the wheel hub is sheathed with the spare inner tyre which is provided with the air valve. When the auxiliary tyre is in the fan shape, fan-shaped spare inner tyres are arranged between the wheel hub and the auxiliary tyre, the spare inner tyres are provided with the air valves, and a plurality of fan-shaped spare tyres are mutually communicated. When the auxiliary tyre is in the bent pipe clamping wedge shape, a wedge-shaped air block is used for making up for the wedge-shaped space generated by a bent pipe, and the wheel hub is provided with the spare inner tyre which is provided with the air valve. When the auxiliary tyre is in the disc shape, the spare inner tyre is adhered to the side part of the disc-shaped auxiliary tyre.

Description

Multi-meridian tyre self-complementary explosion-proof tyre
Technical field:
The structure that the utility model relates to a kind of automobile tyre, aircraft tyre and rickshaw tire constitutes, and belongs to tire and makes the field.
Background technology:
Publication number CN1483610A, title " spiral fashion multi-cavity body trouble-proof tire ", this tire is made of the inner tube of a tyre, cover tire, rim, wheel hub, air valve mouth, adopt 2~16 and independently be shaped as the spiral fashion inner tube of a tyre, form independently not connected many air cavities, the air valve mouth all is set on each inner tube of a tyre.The weak point of its existence: one is 2~16 many air cavities that independence is not connected, as long as there is one to be punctured, though avoided the quick-fried traffic accident that causes of tire, these 2~16 air cavities are owing to be conjoined structure, therefore can't change separately, need to put in order and repair after tire is folded down; Two is on 2~16 inner tubes of a tyre the air valve mouth to be set, and has the situation of losing heart slowly, and difficult is to differentiate fast, needs check one by one by means of air-pressure gauge; The 3rd, owing in the tire spare tire is not set, after the sub-tire in the inner tube of a tyre is punctured, can't in time replenish, cause to be punctured tire pressure less than other tire.
Summary of the invention:
Design goal: avoid the weak point in the background technology, designing a kind of one is that the inner tube of a tyre of tire is made of independently a plurality of and removable sub-tire, with the deficiency that can't change separately of avoiding background technology to exist; The 2nd, the air pressure in a plurality of sub-tires equates and does not establish valve nozzle, with the deficiency of avoiding it to lose heart slowly; The 3rd, spare tire is set in tire, a small pin for the case tire is guaranteed that by the phenomenon of the air pressure deficiency that is produced after puncturing the air pressure of four-wheel tire is in relative balance in the sub-tire of tire to solve, and guarantees traffic safety; The 4th, for tire and, guarantee that it by moment of being punctured, can carry out shutoff rapidly.
Design plan: 1, the inner tube of a tyre of tire is made of a plurality of independent and removable no air valve mouthpiece tires, it is one of feature of the present utility model, the advantage of this kind structure is: the one, many strips tire all be independently, air pressure equates, its version can be varied, punctured in case certain strip fetal hair is existing, can be convenient for changing; The 2nd, because the air valve mouth is not set, therefore there is not the defective of losing heart slowly in sub-tire; The 3rd, many strips tire constitutes the inner tube of a tyre of tire side by side, can avoid effectively because the traffic accident of blowing out and being caused.2, the design of the standby sub-tire of same structure between sub-tire and wheel hub, it is two of feature of the present utility model, the purpose that standby sub-tire is set between sub-tire and wheel hub is: when a certain strip tire in the many strips tire that constitutes the inner tube of a tyre in the tire is punctured, its spare tire can change according to the pressurized of its pressure and automatically standby sub-tire be put on the air by carrying gas bag or gas tank or pump, make its rapid expansion, owing to punctured the defective of the low tyre that sub-tire produces, keep the conformability of tire pressure to remedy.3, one deck or the two layers of automatic liquid for plugging precursor reactant of cellular-type layer chamber are set in tire, it is three of feature of the present utility model, here said one deck or the two layers of automatic liquid for plugging precursor reactant of cellular-type layer chamber are meant: no matter be that individual layer chamber or two layers of chamber all are to be made of a plurality of obstructed mutually a plurality of small-sized layer chamber, in each small-sized layer chamber chemical reactor is housed all, chemical reactor in this liquid reactions layer chamber is after being punctured with tire, its liquid can produce chemical reaction rapidly, and the quilt of tire is punctured place's moment sealing.On structure design, divide single layer of liquid reaction chamber and double-decker precursor reactant chamber.1. the single layer of liquid reaction chamber divides three kinds of situations: the one, and the chemical reactor in layer chamber is at tire and be attached to the moment that the liquid reactions chamber of tire inboard is punctured, owing to be mixed with solia particle in the chemical reactor, chemical reactor moment after running into air in its liquid reactions chamber solidifies, and it is sealed and can not be sucked out by the place of puncturing; The 2nd, in each small-sized layer chamber, be equipped with have can be with it in the reaction package of chemical reactor generationization reaction, after this reaction package is punctured with tire, chemical reactor in it produces chemical reaction rapidly after the chemical reactor with its bag table meets, owing to be mixed with solia particle in the chemical reactor, the quilt place of puncturing of tire is sealed and can not be sucked out moment; The 3rd, in each small-sized layer chamber, expander is housed, pressure in the small-sized layer chamber is greater than expander, when the expander that therefore is positioned at small-sized layer chamber is not punctured in small-sized layer of chamber, all the time be in the non-expansion state, when small-sized layer chamber punctured with tire, because the pressure in the small-sized layer chamber reduces, the expander instantaneous expansion is sealed tire by the place of puncturing; The 4th, in each small-sized layer chamber, be equipped with have can be with it in the reaction package of chemical reactor generationization reaction, after this reaction package is punctured with tire, chemical reactor in it with small-sized layer chamber in the chemical reactor back of meeting produce chemical reaction rapidly, owing to be mixed with solia particle in the chemical reactor, the quilt place of puncturing of tire is sealed and can not be sucked out moment.2. double-decker body cavity, tire inboard stacked two layers of liquid reactions chamber are set, every layer of liquid reactions layer chamber is separated into a plurality of not connected miniature liquid reaction chambers, in each miniature liquid reaction chamber chemical reactor is housed all, the reagent difference that different is is adorned in the two-layer miniature liquid responding layer chamber up and down, after two-layer liquid reactions chamber is punctured with tire about it, after chemical reactor about it in two-layer chamber meets, just can produce chemical reaction and rapidly tire be sealed by the place of puncturing.
Technical scheme 1: multi-meridian tyre self-complementary explosion-proof tyre, it comprises wheel hub (5) and cover tire (1), the inner tube of a tyre (2) in the cover tire (1) is made of the sub-tire more than 2 or 2.Aerification in the sub-tire is not established valve and sub-tire in the form of a ring or disk-shaped shape or be coil pipe isolated (6) or be fan-shaped (7) or be bend pipe folder wedge shape (9,10).When sub-tire is ring-type, be provided with spare inner tube (4) between its wheel hub (5) and sub-tire and spare inner tube (4) is provided with valve; When sub-tire is coil pipe, be with spare inner tube on its wheel hub (5) and spare inner tube is provided with valve; When sub-tire is fan-shaped, is provided with fan-shaped spare inner tube (8) and spare inner tube between its wheel hub (5) and sub-tire and is provided with valve, the plurality of sector spare tire is interconnected; When sub-tire was bend pipe folder wedge shape, the wedge shape air parcel was used to remedy wedge shape space that bend pipe produces, and spare inner tube (10) is housed on its wheel hub and is provided with valve; When sub-tire was disk shape, its spare tire was attached to the sub-sidewall of dish type portion.Its supplementing method for air: in cover tire 1 or 2 or many strips tire are punctured, during the scope of its setting value of tire pressure out of reach, put on the air to be positioned between wheel hub and sub-tire one or 2 or many spare inner tubes by compressed air bag in air pump in the car or external air pump or the spare inner tube this moment, and it is filled fast because sub-tire is punctured the air pressure deficiency that rear tyre produces.
Technical scheme 2: the self-compensating type tire, cover tire (1) inboard is equipped with individual layer (11) or double-decker body cavity (12,13), in individual layer or the double-decker body cavity chemical reaction liquid is housed respectively.Double-decker body cavity (12,13) is the spaces (15) that laminar distributes and every layer is separated into a plurality of mutual not conductings.Single layer of liquid chamber (11) is built-in with Hirschfeld-Klinger reaction liquid or is equipped with layer packet mode Hirschfeld-Klinger reaction bag or is equipped with expander (14) and spaces (15) that every layer is separated into a plurality of mutually not conductings.Its self-sealing method: after the single layer of liquid chamber is punctured, rapid solidification will be sealed by the place of puncturing automatically after the Hirschfeld-Klinger reaction liquid that is positioned at it runs into air, or the layer packet mode Hirschfeld-Klinger reaction bag that is positioned at it is punctured bad, solidification liquid in the bag contacts back rapid solidification sealing in the chemical substance with the bag surface and is punctured the place, or the expander liquid that is positioned at it is punctured, pressure is during less than expander, and the sealing of expander instantaneous expansion is punctured the place.After being punctured when the double-decker body cavity, the chemical reaction liquid that is positioned at it back rapid solidification that meets will be sealed by the place of puncturing automatically.
The utility model is compared with background technology, the one, the structure design that the inner tube of a tyre of tire is made of a plurality of sub-tire and the spare tire of no air valve mouth, not only solved sub-tire by the quick replacing after puncturing, and the design of its spare tire guaranteed the constant of tire pressure, guaranteed the driving safety of aircraft tyre, motor vehicle tire and unpowered vehicle tire; The 2nd, the structure design of the inboard one deck fluid chamber of tire or two layers of fluid chamber, guaranteed that tire is punctured after, the tire that its inboard lamellar liquid chamber can be punctured in the moment sealing is guaranteed the driving safety of tire.
Description of drawings:
Fig. 1 is the local structure scheme drawing of first kind of multi-meridian tyre self-complementary explosion-proof tyre.
Fig. 2 is the structural representation of the sub-tire of ring-type.
Fig. 3 is the lateral plan of Fig. 2.
Fig. 4 is the structural representation of coil-like sub-tire.
Fig. 5 is the structural representation of fan-shaped sub-tire.
Fig. 6 is the structural representation of the sub-tire of bend pipe folder wedge shape.
Fig. 7 is the deployed configuration scheme drawing of bend pipe in the sub-tire of bend pipe folder wedge shape.
Fig. 8 is the structural representation of the sub-tire of dish type.
Fig. 9 is the side-looking structural representation of Fig. 8.
Figure 10 is the local structure scheme drawing of second kind of multi-meridian tyre self-complementary explosion-proof tyre.
Figure 11 is the local structure scheme drawing of the third multi-meridian tyre self-complementary explosion-proof tyre.
The specific embodiment:
Embodiment 1: with reference to accompanying drawing 1~3.Multi-meridian tyre self-complementary explosion-proof tyre, it comprises wheel hub 5 and cover tire 1, the inner tube of a tyre 2 in the cover tire 1 is made of the sub-tire more than 2 or 2, aerification in the sub-tire, do not establish valve and sub-tire in the form of a ring, when sub-tire is ring-type, be provided with spare inner tube 4 between its wheel hub 5 and sub-tire and spare inner tube 4 is provided with valve, the inboard of cover tire 1 is equipped with metal carrier bar 3.The making of wheel hub 5 and cover tire 1 is a prior art, is not described herein at this.The making of the sub-tire of ring-type is identical with the manufacture craft of the existing inner tube of a tyre.Different is: all sub-tires all are filled with gas in it after shaping, and its pressure is identical, all do not have the air valve mouth.The section shape of the sub-tire of annular can be circular or square or oblong etc.The shape of spare inner tube 4 is identical with sub-tire.Different is: spare inner tube 4 has the air valve mouth, and purpose is after sub-tire is punctured, and after the moving inflation of automatic or people, fills up being punctured the space that sub-tire produces automatically, guarantees the relative uniformity of tire pressure, guarantees driving safety.Its supplementing method for air: in cover tire one or 2 or many strips tire are punctured, during the scope of its setting value of tire pressure out of reach, 1. during the signal of the air pressure deficiency after detection of the baroceptor in the tire, air pump puts on the air to the spare inner tube of decompression or decompression place in the instruction car, it is filled fast pricked decompression or the pressure reduction space that sub-tire brings.2. during the signal of the air pressure deficiency after detection of the baroceptor in the tire, to going out alarm message, chaufeur puts on the air by the spare inner tube of external air pump to decompression or decompression place, it is filled fast pricked decompression or the pressure reduction space that sub-tire brings.3. during the signal of the air pressure deficiency after detection of the baroceptor in the tire, compressed air bag (or bottle) puts on the air to being positioned between wheel hub and sub-tire one or 2 or many spare inner tubes in the instruction spare inner tube, and it is filled fast because sub-tire is punctured the air pressure deficiency that rear tyre produces.
Embodiment 2: with reference to accompanying drawing 4.On the basis of embodiment 1, it is isolated 6 that sub-tire is coil pipe, when sub-tire is coil pipe, is with the coil pipe spare inner tube on its wheel hub 5 and spare inner tube is provided with valve.
Embodiment 3: with reference to accompanying drawing 5.On the basis of embodiment 1, it is fan-shaped 7 that sub-tire is, and when sub-tire is fan-shaped, is provided with fan-shaped spare inner tube 8 between its wheel hub 5 and sub-tire and spare inner tube is provided with valve.
Embodiment 4: with reference to accompanying drawing 6 and 7.On the basis of embodiment 1, sub-tire is bend pipe folder wedge shape 9 and 10.When sub-tire was bend pipe folder wedge shape, the wedge shape air parcel was used to remedy wedge shape space that bend pipe produces, and spare inner tube 10 is housed on its wheel hub and is provided with valve.
Embodiment 5: with reference to accompanying drawing 8 and 9.On the basis of embodiment 1, sub-tire disk-shaped 11 and 12.When sub-tire was disk shape, its spare tire 12 was attached to the sidepiece of the sub-tire 11 of dish type.
Embodiment 6: with reference to accompanying drawing 10.The self-compensating type tire, cover tire 1 inboard is equipped with single layer of liquid chamber 13, and single layer of liquid is equipped with chemical reaction liquid in the chamber.Single layer of liquid chamber 13 is built-in with Hirschfeld-Klinger reaction liquid and every layer of space 17 that is separated into a plurality of mutual not conductings, all adorns Hirschfeld-Klinger reaction liquid in each space.The injection of Hirschfeld-Klinger reaction liquid all is a prior art in the manufacture craft in the single layer of liquid chamber 13 that is made of the miniature liquid chambeies of a plurality of mutually not conductings and the miniature liquid chamber, is not described herein at this.
Embodiment 7: on the basis of embodiment 6, single layer of liquid chamber 13 is built-in with layer packet mode Hirschfeld-Klinger reaction bag and every layer of space 17 that is separated into a plurality of mutual not conductings.
Embodiment 8: on the basis of embodiment 6, single layer of liquid chamber 13 is built-in with expander 16 and every layer of space 17 that is separated into a plurality of mutual not conductings.
Embodiment 9: with reference to accompanying drawing 11.Cover tire 1 inboard is equipped with double-decker body cavity 14 and 15, and chemical reaction liquid is housed respectively in the double-decker body cavity.Double-decker body cavity 14 and 15 be that laminar distributes and every layer be separated into a plurality of spaces 17 of not conductings mutually, upper and lower two-layer in a plurality of miniature liquids chamber relative.The injection of Hirschfeld-Klinger reaction liquid all is a prior art in the double-decker body cavity 14 that is made of the miniature liquid chambeies of a plurality of mutually not conductings and 25 manufacture craft and the miniature liquid chamber, is not described herein at this.
The self-sealing method of the foregoing description 6~9,1. after the single layer of liquid chamber is punctured, owing to be mixed with solia particle in the chemical reactor (as low-molecular-weight epoxy resin), rapid solidification will and can not be sucked out by the place's of puncturing sealing automatically after the Hirschfeld-Klinger reaction liquid that is positioned at it runs into air, or the layer packet mode Hirschfeld-Klinger reaction bag (adding ethylene diamine as ultra-fine rubber powder) that is positioned at it punctured bad, owing to be mixed with solia particle in the chemical reactor, solidification liquid in the bag contacts back rapid solidification sealing in the chemical substance with the bag surface and can not be sucked out by the place of puncturing, or the expander liquid that is positioned at it is punctured, pressure is during less than expander, the sealing of expander instantaneous expansion is punctured the place, or in each small-sized layer chamber, be equipped with have can be with it in the reaction package of chemical reactor generationization reaction, after this reaction package is punctured with tire, chemical reactor in it with small-sized layer chamber in the chemical reactor back of meeting produce chemical reaction rapidly, owing to be mixed with solia particle in the chemical reactor, the quilt place of puncturing of tire is sealed and can not be sucked out moment.2. after the double-decker body cavity is punctured, owing to be mixed with solia particle in the chemical reactor, the chemical reaction liquid that is positioned at it back rapid solidification that meets will be sealed and can not be sucked out automatically by the place of puncturing.
What need understand is: though the foregoing description is to the utility model detailed explanation of contrasting; but these explanations are just illustrative to the utility model; rather than to restriction of the present utility model; any innovation and creation that do not exceed in the utility model connotation all fall in the protection domain of the present utility model.

Claims (7)

1, a kind of multi-meridian tyre self-complementary explosion-proof tyre, it comprises wheel hub (5) and cover tire (1), it is characterized in that: the inner tube of a tyre (2) in the cover tire (1) is made of the sub-tire more than 2 or 2.
2, multi-meridian tyre self-complementary explosion-proof tyre according to claim 1 is characterized in that: aerification in the sub-tire, do not establish valve and sub-tire in the form of a ring or disk-shaped shape or be coil pipe isolated (6) or be fan-shaped (7) or be bend pipe folder wedge shape (9,10).
3, multi-meridian tyre self-complementary explosion-proof tyre according to claim 1 is characterized in that: when sub-tire is ring-type, be provided with spare inner tube (4) between its wheel hub (5) and sub-tire and spare inner tube (4) is provided with valve; When sub-tire is coil pipe, be with spare inner tube on its wheel hub (5) and spare inner tube is provided with valve; When sub-tire is fan-shaped, is provided with fan-shaped spare inner tube (8) and spare inner tube between its wheel hub (5) and sub-tire and is provided with valve, the plurality of sector spare tire is interconnected; When sub-tire was bend pipe folder wedge shape, the wedge shape air parcel was used to remedy wedge shape space that bend pipe produces, and spare inner tube (10) is housed on its wheel hub and is provided with valve; When sub-tire was disk shape, its spare tire was attached to the sub-sidewall of dish type portion.
4, multi-meridian tyre self-complementary explosion-proof tyre according to claim 1 is characterized in that: the inboard of cover tire (1) is equipped with metal carrier bar (3).
5, a kind of self-compensating type tire is characterized in that: cover tire (1) inboard is equipped with individual layer (11) or double-decker body cavity (12,13), in individual layer or the double-decker body cavity chemical reaction liquid is housed respectively.
6, self repairing tyre according to claim 5 is characterized in that: double-decker body cavity (12,13) is the spaces (15) that laminar distributes and every layer is separated into a plurality of mutual not conductings.
7, self repairing tyre according to claim 5 is characterized in that: single layer of liquid chamber (11) are built-in with Hirschfeld-Klinger reaction liquid or are equipped with layer packet mode Hirschfeld-Klinger reaction bag or are equipped with expander (14) and spaces (15) that every layer is separated into a plurality of mutually not conductings.
CN 200420013304 2004-12-26 2004-12-26 Explosive-proof and self-repairing tyre with multiple sub-tyres Expired - Lifetime CN2792839Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200420013304 CN2792839Y (en) 2004-12-26 2004-12-26 Explosive-proof and self-repairing tyre with multiple sub-tyres

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200420013304 CN2792839Y (en) 2004-12-26 2004-12-26 Explosive-proof and self-repairing tyre with multiple sub-tyres

Publications (1)

Publication Number Publication Date
CN2792839Y true CN2792839Y (en) 2006-07-05

Family

ID=36819985

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200420013304 Expired - Lifetime CN2792839Y (en) 2004-12-26 2004-12-26 Explosive-proof and self-repairing tyre with multiple sub-tyres

Country Status (1)

Country Link
CN (1) CN2792839Y (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100415546C (en) * 2004-12-26 2008-09-03 杭州余杭益安锅炉水处理服务部 Self-sealing explosion-proof tyre with multiple sub-tyres and self-sealing method therefor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100415546C (en) * 2004-12-26 2008-09-03 杭州余杭益安锅炉水处理服务部 Self-sealing explosion-proof tyre with multiple sub-tyres and self-sealing method therefor

Similar Documents

Publication Publication Date Title
CN101821116B (en) Tyre with shell and carrier structure
WO2012048511A1 (en) Multi-chamber flat-proof tyre and wheel hub
CN2792839Y (en) Explosive-proof and self-repairing tyre with multiple sub-tyres
CN100415546C (en) Self-sealing explosion-proof tyre with multiple sub-tyres and self-sealing method therefor
CN201189802Y (en) Tubeless rim
CN1982094A (en) Self-repairing explosion-proof tyre with multiple sub-tyres and its self-repairing method
CN208085411U (en) A kind of tire gas lock formula inner supporting device and safety tread
CN214267284U (en) Self-repairing puncture-proof tire
CN101311007B (en) Multi-meridian tyre self-complementary explosion-proof tyre
CN215321802U (en) Non-burst tyre
CN2635409Y (en) Bridge type explosion proof tyre
CN214057140U (en) Double-layer vacuum tire and hub
CN215321804U (en) Explosion-proof tyre
CN2774824Y (en) Anti-explosion inner tube for vehicle
CN218140896U (en) Vehicle tyre
CN216915404U (en) Safety tire with multiple air bins
CN112356621A (en) Double-layer vacuum tire and hub
CN212654146U (en) Vacuum tire and wheel
CN112026454B (en) Vacuum tyre and wheel
CN216374071U (en) Air bag tyre
CN213734451U (en) Multi-air-chamber tire, wheel and vehicle
CN202071639U (en) Inner spare tyre for tyre
CN208774426U (en) A kind of safety tread, wheel and vehicle
CN2537579Y (en) Honeycomb non-inflatable inner tyre
CN217477006U (en) Super heavy-duty tire

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: 20080903

C25 Abandonment of patent right or utility model to avoid double patenting