CN101376322A - Tire for preventing nail, bullet and explosion and method for producing hollow rubber block - Google Patents
Tire for preventing nail, bullet and explosion and method for producing hollow rubber block Download PDFInfo
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- CN101376322A CN101376322A CNA2007101459414A CN200710145941A CN101376322A CN 101376322 A CN101376322 A CN 101376322A CN A2007101459414 A CNA2007101459414 A CN A2007101459414A CN 200710145941 A CN200710145941 A CN 200710145941A CN 101376322 A CN101376322 A CN 101376322A
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Abstract
The invention discloses a tire with the function of nail prevention, bullet prevention and explosion prevention. The tire comprises a cover tire and a wheel hub. The wheel hub is covered with the cover tire. More than one hollow rubber block is filled between the cover tire and the wheel hub, so as to solve the problem that the tire is easily pricked, exploded and inflated frequently. When the tire is pricked, the tire can still keep elastic and continue to move. The tire can be applied to different load-carrying vehicles through changing the diameter of the hollow rubber block. The invention further discloses a method for manufacturing the hollow rubber block filled in the tire. Two hollow half rubber blocks are manufactured; an air inlet is formed on at least one half rubber block; at least one half rubber block is internally coated with talcum powder uniformly; and the two half hollow rubber blocks are made of gross rubber. The parts to be bonded are heated at a high temperature or not heated, and quickly spliced, extruded and connected, and a high temperature and a high voltage are applied to the outer part. Or the high temperature and voltage are applied to the hollow rubber block which is placed in a die. An automatic leak repairing glue is further injected in the bonded rubber block so that the rubber block has good air tightness and can be repeatedly inflated and used.
Description
Technical field
The present invention relates to the method for making of a kind of tire and interior filled rubber piece thereof.
Background technology
The most normal tire that uses is inflatable tire at present, is made of the cover tire and the inner inflatable whole inner tube of a tyre thereof, and this inner tube of a tyre is filled with certain pressure gas, has certain elasticity, held stationary in the time of can making vehicle zero load and load-carrying.But the shortcoming of this tire be afraid of to prick, explosive and need often inflation, in the tire i.e. gas leakage rapidly in back of being pricked, be hit by a bullet or blow out, cause vehicle to travel, especially when vehicle travels rapidly, as blow out, will cause very big accident.
Summary of the invention
In view of this, main purpose of the present invention is to provide the tire of a kind of anti-nail, anti-bullet and runflat, can keep tire still being had certain elasticity by under the situation of pricking.Even tyre explosion, its rubber block also can spill one by one, the driver is realized and brake fast, thereby reaches the effect of runflat, can avoid causing severe traffic accidents, makes vehicle can continue held stationary and travels.
For achieving the above object, technical scheme of the present invention is achieved in that
The tire of a kind of anti-nail, anti-bullet and runflat comprises cover tire and wheel hub, and described cover tire is coated on the described wheel hub, is filled with the rubber block of an above hollow between described cover tire and the wheel hub.
Another object of the present invention provides the method for making of filled rubber piece in a kind of tire, and the air-tightness of filling rubber block in making is better, more durable, and can inflate use repeatedly.
For achieving the above object, technical scheme of the present invention is achieved in that
Fill the method for making of hollow rubber piece in a kind of tire, it is characterized in that, may further comprise the steps:
A, making two and half hollow rubber pieces, wherein at least one half rubber block is provided with induction opening;
B, evenly apply french talc at least one half rubber block, two and half hollow rubber piece outsides also evenly apply french talc;
The rubber of C, two and half hollow rubber pieces is elastomeric compounds, and is need not any adhesives High Temperature High Pressure bonding: two and half hollow rubber pieces treat the heating of adhesive portion high temperature or do not heat, then rapidly to connect squeeze flat, bonding from outside High Temperature High Pressure;
Inject automatic leakage-repairing glue in D, the hollow rubber piece after bonding, stirring this hollow rubber piece makes automatic leakage-repairing glue evenly be coated on the rubber block inwall, syringe needle still is in when extracting out and injects automatic leakage-repairing glue state, and makes automatic leakage-repairing glue block pin hole duct on the hollow rubber piece.
Described step C also can be:
With bonding two and half rubber blocks of high pressure under the cold-patch glue normal temperature, one of the rubber of this two and half rubber block is a vulcanized rubber, and another is elastomeric compound or vulcanized rubber, its adhering fixed mode: the one, and external compression is bonding; The one, to be placed in the mould inflation high pressure bonding to connecting two and half hollow rubber pieces.
Described step C also can be:
With bonding two and half rubber blocks of rubber cement, the rubber of this two and half rubber block should be: one is vulcanized rubber, another is an elastomeric compound, the bonding mode of production of High Temperature High Pressure, two and half rubber blocks are treated that the abutting edge applies rubber cement, treat rubber cement do after rapidly to connecting, squeeze again flat, then from outside High Temperature High Pressure bonding or two and half hollow rubber pieces to be placed in the mould High Temperature High Pressure bonding to connecting.
High pressure described in the step C is bonding to be specially:
The syringe needle that connects air compressor is passed induction opening on the rubber block, two and half rubber blocks of bond site butt joint are inserted in the mould that mates with rubber block, when adopting cold-patch glue bonding, in rubber block, fill room temperature air, when adopting rubber cement bonding, in rubber block, fill room temperature, high-temperature gas or aqueous vapor, or heat inside to mould by mould, make its internal gas pressure reach more than one barometric pressure, as increase temperature high pressure gas, and another air gate is then arranged, green phase is answered the inside temperature of rubber in the syringe needle control mould, when the described rubber block of extruding made the docking site compacting, it was normal pressure that the interior gas of release rubber block makes its interior pressure.
A kind of anti-nail of the present invention, the tire of anti-bullet and runflat, by between cover tire and wheel hub, filling the rubber block of hollow, when tire is being pricked, cut or by the bullet hitting time, because of the hollow rubber piece is separate structure, can not cause tire seriously to leak gas, blow out, vehicle still can travel by held stationary, and owing in the hollow rubber piece, injected automatic leakage-repairing glue, the better tightness of hollow rubber piece, tire needn't often be inflated, and when cover tire is blown out, the in-to-in rubber block has also been avoided the instantaneous situation of gas leakage fully of the whole inner tube of a tyre of inflatable, and its rubber block spills one by one, the driver is realized and brake fast, thereby reach the effect of runflat, can avoid causing the accident of serious traffic.
The method for making of filled rubber piece in a kind of tire of the present invention, owing to adopted above technical scheme, the air-tightness of hollow rubber piece is better, and is more durable, and can renovate inflation repeatedly and use.
Description of drawings
Fig. 1 is the first example structure scheme drawing of tire of the present invention;
Fig. 2 is the second example structure scheme drawing of tire of the present invention;
Fig. 3 is the spherical rubber piece section decomposition texture scheme drawing of tire of the present invention;
Fig. 4 is the spherical rubber piece section decomposition texture scheme drawing of tire of the present invention.
The specific embodiment
Tire first embodiment of the present invention:
Fig. 1 is the first example structure scheme drawing of tire of the present invention, as shown in Figure 1, tire of the present invention mainly comprise cover tire 1, wheel hub 3, be arranged on the inlet point 4 on the wheel hub 3 and be filled in cover tire 1 and wheel hub 3 between hollow rubber piece 2.Wherein, cover tire 1 is installed and is coated on the wheel hub 3, and the rubber block 2 of hollow is charged between mounted cover tire 1 and the wheel hub 3 by inlet point 4 by pressure apparatus.Be set to an inlet point 4 in the present embodiment, but inlet point 4 is not limited to one, can be set to as required more than one.The rubber block 2 of hollow can the hollow rubber piece be bonding makes by two and half.Particularly, the rubber block 2 of hollow can be the ball-shaped rubber block.Charge into before the cover tire 1, rubber block 2 internal gas pressures are about a barometric pressure, when the back that charged into cover tire 1 owing to rubber block 2 more and mutual extruding, pressure is bigger in the rubber block 2, after reaching the use pressure of cover tire 1, stop to charge into of rubber block 2, wherein, the inboard of inlet point 4 is provided with a fan or two fan doors.
Among the present invention, hollow rubber piece 2 is provided with induction opening, and this induction opening can adopt the rubber induction opening, like this, can be used for tonifying Qi when hollow rubber block 2 unsaturated vapor.Certainly, also can not establish induction opening on the hollow rubber piece 2.
Tire adopts above structure design, when cover tire 1 is pricked, because hollow rubber piece 2 is separate structure, the gas leakage of part hollow rubber piece 2 can not influence the normal use of whole tire, solved tire in the prior art in case after pricking, promptly can follow the string the shortcoming that causes vehicle to travel.The leak tightness of hollow rubber piece 2 is better relatively, need not frequent inflation, even wherein 2 gas leakage of part rubber block can not have considerable influence to the elasticity of tire yet, by pressure apparatus charge into rubber block 2 between cover tire and the wheel hub and open inlet point with rubber block by taking out between cover tire and the wheel hub, operate all very convenient.
Tire second embodiment of the present invention:
Fig. 2 is the second example structure scheme drawing of tire of the present invention, as shown in Figure 2, be provided with metal admission piece 5 being close on the hollow rubber piece of wheel hub 3, this metal admission piece 5 has the length that is complementary with wheel hub 3, offers flat recess or the T slot that wears for metal admission piece 5 along correspondence on the direction of circumference at wheel hub 3 inboard midways location.Rubber block 6 that will band metal admission piece is seated between cover tire 1 and the wheel hub 3 in advance, and this is with the rubber block 6 of metal admission piece, and method for placing is identical with common inner tube of a tyre method for placing in advance, and 2 of rubber blocks are charged between cover tire 1 and the wheel hub 3 by inlet point.A part of gas can not inflated or only fill to the rubber block 6 that is preset at the band metal admission piece between cover tire 1 and the wheel hub in advance, rubber block 2 is charged into by inlet point by pressure apparatus and with inlet point the door auto-closing after, the height of pressing in required according to tire decides the rubber block 6 of being close to the band metal mouth of wheel hub 3 by 5 pairs of metal admission pieces that wear on the wheel hub 3 whether to inflate again, thereby reach the required air pressure of tire, as for being provided with induction opening on the rubber block 2, can not establish yet.Because the volume of the rubber block 6 of band metal admission piece is bigger, this structure not only can reduce the number of the rubber block that needs filling, and because all less near the rubber block 2 of cover tire 1, pricked when cover tire 1 and then can not make tire influence the elasticity capacity of tire, thereby kept the tire excellent elasticity because of seriously leaking gas.When running into cover tire and made the situation that a part of rubber block 2 wherein pricked by bundle, can the elasticity of tire not affected greatly.
More than among two invention tire embodiment, inlet point 4 is provided with outer cap, can adopt outward turning silk or inward turning silk mode, enters to prevent oil, water etc.; And the groove of offering on wheel hub or the edge in hole can correspondingly thicken, so that wheel hub is firmer.
Fig. 3 is the spherical rubber piece section decomposition texture scheme drawing of tire of the present invention, two semicircular opening edges are provided with cooresponding projection and recessed Access Division 11,12 respectively, make the junction shape complementation of two hemispheres, just can be fastened, two semicircle edge of opening places also can be plane contact (as shown in Figure 4), and the method for making of two hemispheres is:
First embodiment of method for making of the present invention:
Make two and half hollow rubber balls with known technology, on at least one hemisphere, be provided with induction opening 7, induction opening 7 on the rubber sphere and basketball to inflate the hole similar, this induction opening 7 can be arranged on rubber ring or the bar, this induction opening 7 is seen as the shape of projection from the rubber sphere inboard, such structure can make induction opening 7 can bear bigger pressure.Arranged outside one mark at induction opening 7, can be small depression or protrusion etc., with mark as the air inlet needle perforation of when inflation, can at least one hemisphere, place very thin very soft sheetmetal, very thin vulcanized rubber sheet in advance, preferably apply french talc, can not stick together when two inboards for the treatment of bonding hemisphere are externally pushed,, can reduce the friction force of rubber sphere inboard because of french talc also can play lubricating effect.
The rubber of two and half hollow rubber balls is elastomeric compounds, need not any adhesives bonding through following High Temperature High Pressure: its adhering method be: (treat that half bonding hollow rubber ball rubber all is elastomeric compound for these two as the two and half hollow rubber balls that adopt bicycle natural gum tube formula to produce, also do not pass through high temperature vulcanized), thickness in monolayer 1.2mm, bilayer thickness is no more than 2.5mm, treat that at two and half hollow rubber balls adhesive portion is through the rapid Contact Heating of hi-heat metal (metal and half rubber sphere treat that adhesive portion matches), time is less than 1 second, after rapidly to connect squeeze flat, last two-sided high temperature, time 3-4 second, and pressurization, promptly bonding.Above-mentioned two elastomeric compound hollow half rubber sphere treat that adhesive portion can not heat yet, make two and half rubber sphere directly to connecting flattening, double-deck wall thickness is no more than 2.5mm, the high temperature heating, time should surpass for 4 seconds, and is better but the suitable rubber sphere elastomeric compound wall ratio of this method normally will approach effect.
The bonding rubber block of above adhering method is asymmetric spheroid.
Which type of automobile-used rubber sphere this adhering method when producing, and the factory formula of half rubber sphere, the thickness of wall and the heating-up temperature that is complementary with thickness, time of heat, type of heating all adopt existing known technology.Wherein, the thickness of wall preferably adopts all car inner tube of a tyre thickness for well, also can be thick slightly or thin slightly, adapt to Fig. 3, shown in Figure 4.
Second embodiment of method for making of the present invention:
The difference of first embodiment of present embodiment and method for making of the present invention only is: it does not need two hemispheres is treated the bonding place heating when bonding, and only need to treat that at two hemispheres the bonding place evenly applies cold-patch glue, when treating that cold-patch glue is done two hemispheres is treated the bonding place neat and compacting (as shown in Figure 3) of butt joint rapidly.Or two and half hollow rubber balls (as shown in Figure 3) are treated rapidly the syringe needle of connection air compressor to be passed induction opening on half rubber sphere after bond site is coated with cold-patch glue and waits to do, and rapidly with two and half rubber sphere to connecting, and insert in the mould with the rubber sphere coupling.If bring pore on the mould into, the syringe needle that then will connect air compressor earlier passes the hole on the mould, penetrate the induction opening that is placed on half rubber sphere in the mould again and penetrate that (two and half rubber sphere of this moment treat that the cold-patch glue that bond site has been coated with is dried, but also do not have autovulcanization), and with two halves rubber sphere docking site to connecting, after with second half mould to good, external pressurized, at last, by filling room temperature in the rubber sphere of air compressor (abbreviation Air compressor) bonded assembly syringe needle in mould, and make the air pressure in the rubber sphere reach more than one atmospheric pressure, make the air pressure in the mould must reach the bonding required pressure of two and half rubber sphere, this bonding mode is applicable to elastomeric compound and vulcanized rubber, vulcanized rubber and vulcanized rubber bonding.The existing known technology that the cold-patch glue that the making of various cold-patch glue adopts society to go up use is made.
Above-mentioned two kinds of used times of adhering method, pressure adopt various tires to have known technology with cold-patch glue patch an inner tube.
The 3rd embodiment of method for making of the present invention:
First kind of mode half rubber sphere shown in Figure 3, when half rubber sphere wall thickness is of uniform thickness with automobile inner tube, after two and half rubber sphere treat that the abutting edge is coated rubber cement and done, make two to treat that half bonding rubber sphere is to connecting, flatten (but two half bonding rubber sphere interfaces of needs can not increase temperature again), external compression, and 140 ℃-160 ℃ of two-sided heating, time 3-4 minute is promptly bonding.The second way: Fig. 3 is the caking mode in mould.When half rubber sphere wall thickness is of uniform thickness with automobile inner tube, be with two induction openings on the hollow rubber ball, a hole is that compressor connection syringe needle passes the induction opening of rubber sphere, preparation is compressed hi-heat hot air to the inside, it is (syringe needle is identical with the second method among second embodiment with the method for attachment of rubber sphere and mould thereof) that cold air that another syringe needle passes another rubber hole, when filling hot air inwards by compressor bonded assembly syringe needle, when the syringe needle on another hole is outwards put about about one minute of cold slightly air time, promptly close and put the switch of cold air syringe needle slightly, or put the pin hole of cold air slightly on stifled, also can extract and put the syringe needle of cold air slightly, the hot air that only increase temperature to the inside this moment, also can make rubber sphere have only an induction opening, the connection mode of syringe needle and rubber block is same as above, only fills high-temperature vapor to the inside.In above-mentioned two kinds of type of heating, as 140 ℃-160 ℃ of heating in mould, the time amount to about 5 minutes can be bonding.As 140 ℃-160 ℃ of heating inside and outside mould, time answered 3-5 minute, as outside mould, heating, fill room temperature air in the rubber sphere in the mould, mould heats 140 ℃-160 ℃ outward, and the time amounted to about 4 minutes, rubber cement can be that elastomeric compound is dissolved in the sticky shape of one-tenth in the gasoline, one is half rubber sphere and another bonding, used existing known technology of rubber cement employing for half rubber sphere of vulcanized rubber of elastomeric compound.Have known technology for the thermal recovery that adds of mould.
Induction opening is real core when producing, and does not originally have the hole, and induction opening can connect together with rubber ring (or rubber strip).(annotate: when using rubber strip, rubber strip must cover the rubber sphere periphery tight, in case space gas leakage is arranged).Induction opening also can be on half rubber sphere other place.Rubber ring also can be one-body molded with rubber sphere, also can be bonding later on.Induction opening, rubber ring and rubber sphere are bonding with first and second embodiment of method for making of the present invention, and adapt to first and second embodiment, the 3rd embodiment incompatibility.Rubber ring and half rubber sphere are bonding can be interior bonding, also can be outside bonding.
(except that treating bonding position) evenly applies french talc (at least one coating in two and half rubber sphere) in half rubber sphere.
When rubber sphere bonding intact after, rubber sphere should be added to the atmospheric gas in the left and right sides, it is an amount of to replenish automatic leakage-repairing glue by induction opening with syringe needle in rubber sphere at last, when pulling out syringe needle, still be in the gluey attitude of injection automatic leakage-repairing, make automatic leakage-repairing glue evenly be full of pin hole duct on the hollow rubber piece, and make it the stifled pin hole duct of going up of sulfuration, stir rubber sphere, and the interior automatic leakage-repairing glue of rubber sphere evenly is coated on the rubber sphere inwall, a small amount of residue is preferably arranged.The rubber block inside that the method also is fit to band metal admission piece adds automatic leakage-repairing glue technology, just inwardly adds automatic leakage-repairing glue from the metal admission piece.This also is applicable to the renovation of rubber sphere.When inner pressure of tire is not enough, can add proper amount of gas to the metal admission piece in right amount, and reach an amount of air pressure, emit rubber sphere and renovation as need, also can adopt this kind method make-up gas and automatic leakage-repairing glue technology, just can be pressed into the rubber sphere of having renovated by compression set and continue in the tire to use, existing known technology is adopted in the production of various automatic leakage-repairing glue.
The outside of above-mentioned two and half hollow rubber balls also evenly applies french talc, and its method for making of hollow rubber piece of other shape is identical with spherical rubber piece method for making.
The adhesive technology of metal admission piece and rubber block adopts existing multiple inner tube of vehicles and the bonding existing known technology of metal mouth.
In the scheme of above-mentioned production rubber block, all rubber blocks treat that bond site must be clean, pollution-free, and the most practical all to be that the two halves rubber block of elastomeric compound directly docks adhesive effect the best of the bonding scheme of High Temperature High Pressure.
The repairing of rubber block adopts the car inner tube of a tyre to repair existing known technology, and the production technology of metal admission piece adopts the existing known technology of the production of the metal admission piece of various vehicles in the prior art.
The above rubber block is the rubber block of hollow, comprises various geometry shapes, as sphere, asymmetric sphere, ellipse, polyhedron, round platform, cylinder, fan ring-shaped rubber piece etc.
Present technique is suitable for multiple hand cart tyre, cycle tyre, various doughnut, air tire, helicopter tire, armoring tire, armored personnel carrier tire and the anti-nail that rebuilds a tyre, anti-bullet and runflat technology.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.
Claims (10)
1, the tire of a kind of anti-nail, anti-bullet and runflat comprises cover tire and wheel hub, and described cover tire is coated on the described wheel hub, it is characterized in that, is filled with the rubber block of an above hollow between described cover tire and the wheel hub.
2, tire according to claim 1 is characterized in that, offers the inlet point of filled rubber piece on the described wheel hub.
3, tire according to claim 1 is characterized in that, the rubber block of being close to wheel hub in the described hollow rubber piece is provided with the metal admission piece.
4, tire according to claim 3 is characterized in that, described wheel hub along the circumferential direction go up correspondence offer the flat recess that wears for the metal admission piece, T word groove, cross recess or
The shape groove.
5, tire according to claim 4 is characterized in that, the rubber block that is not provided with the metal admission piece in the described hollow rubber piece is provided with the rubber induction opening.
According to each described tire in the claim 1 to 5, it is characterized in that 6, described rubber block is sphere, asymmetric sphere, ellipse, polyhedron, round platform, cylinder, fan ring-shaped rubber piece.
7, the method for making of filling the hollow rubber piece in a kind of tire is characterized in that, may further comprise the steps:
A, making two and half hollow rubber pieces, wherein at least one half rubber block is provided with induction opening;
B, evenly apply french talc at least one half rubber block, two and half hollow rubber piece outsides also evenly apply french talc;
The rubber of C, two and half hollow rubber pieces is elastomeric compounds, and is need not any adhesives High Temperature High Pressure bonding: two and half hollow rubber pieces treat the heating of adhesive portion high temperature or do not heat, then rapidly to connect squeeze flat, bonding from outside High Temperature High Pressure;
Inject automatic leakage-repairing glue in D, the hollow rubber piece after bonding, stirring this hollow rubber piece makes automatic leakage-repairing glue evenly be coated on the rubber block inwall, syringe needle still is in when extracting out and injects automatic leakage-repairing glue state, and makes automatic leakage-repairing glue block pin hole duct on the hollow rubber.
8, the method for making of hollow rubber piece according to claim 7 is characterized in that, described step C also can be:
With bonding two and half rubber blocks of high pressure under the cold-patch glue normal temperature, one of the rubber of this two and half rubber block is a vulcanized rubber, and another is elastomeric compound or vulcanized rubber, its adhering fixed mode: the one, and external compression is bonding; The one, to be placed in the mould inflation high pressure bonding to connecting two and half hollow rubber pieces.
9, the method for making of hollow rubber piece according to claim 8 is characterized in that, described step C also can be:
With bonding two and half rubber blocks of rubber cement, the rubber of this two and half rubber block should be: one is vulcanized rubber, another is an elastomeric compound, the bonding mode of production of High Temperature High Pressure, two and half rubber blocks are treated that the abutting edge applies rubber cement, treat rubber cement do after rapidly to connecting, squeeze again flat, then from outside High Temperature High Pressure bonding or two and half hollow rubber pieces to be placed in the mould High Temperature High Pressure bonding to connecting.
10, according to Claim 8 or the method for making of 9 described hollow rubber pieces, it is characterized in that high pressure described in the step C is bonding to be specially:
The syringe needle that connects air compressor is passed induction opening on the rubber block, two and half rubber blocks of bond site butt joint are inserted in the mould with the rubber block coupling, when adopting cold-patch glue bonding, in rubber block, fill room temperature air; When adopting rubber cement bonding, in rubber block, fill room temperature, high-temperature gas or aqueous vapor, or heat inside to mould by mould, make its internal gas pressure reach more than one barometric pressure, as increase temperature high pressure gas, and another air gate is then arranged, green phase is answered the inside temperature of rubber in the syringe needle control mould, when the described rubber block of extruding made the docking site compacting, it was normal pressure that the interior gas of release rubber block makes its interior pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101459414A CN101376322A (en) | 2007-08-30 | 2007-08-30 | Tire for preventing nail, bullet and explosion and method for producing hollow rubber block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101459414A CN101376322A (en) | 2007-08-30 | 2007-08-30 | Tire for preventing nail, bullet and explosion and method for producing hollow rubber block |
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| Publication Number | Publication Date |
|---|---|
| CN101376322A true CN101376322A (en) | 2009-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101459414A Pending CN101376322A (en) | 2007-08-30 | 2007-08-30 | Tire for preventing nail, bullet and explosion and method for producing hollow rubber block |
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| CN (1) | CN101376322A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105856970A (en) * | 2016-04-08 | 2016-08-17 | 王义铭 | Inflation-free bicycle tyre adopting hollow square band cavity structure and manufacturing method of inflation-free bicycle tyre |
-
2007
- 2007-08-30 CN CNA2007101459414A patent/CN101376322A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105856970A (en) * | 2016-04-08 | 2016-08-17 | 王义铭 | Inflation-free bicycle tyre adopting hollow square band cavity structure and manufacturing method of inflation-free bicycle tyre |
| CN105856970B (en) * | 2016-04-08 | 2017-04-26 | 王义铭 | Inflation-free bicycle tyre adopting hollow square band cavity structure and manufacturing method of inflation-free bicycle tyre |
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Open date: 20090304 |