CN101151144A - Method of repairing inside surface portion of pneumatic tire, and relevant inside surface portion repair material - Google Patents
Method of repairing inside surface portion of pneumatic tire, and relevant inside surface portion repair material Download PDFInfo
- Publication number
- CN101151144A CN101151144A CNA200680010752XA CN200680010752A CN101151144A CN 101151144 A CN101151144 A CN 101151144A CN A200680010752X A CNA200680010752X A CN A200680010752XA CN 200680010752 A CN200680010752 A CN 200680010752A CN 101151144 A CN101151144 A CN 101151144A
- Authority
- CN
- China
- Prior art keywords
- repairing
- airtyred
- repair
- rubber
- film
- 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
Links
Images
Abstract
A method (I) of repairing an inside surface portion of pneumatic tire (11), characterized in that to repair site (J) of an inside surface portion of pneumatic tire (11) furnished at the inside surface portion with an inner liner, there is attached, by adhesive (24), thin-film repair material (22) consisting of a resin with high air permeation resistance (IA) or attached, by fusion, thin-film repair material (22) consisting of a thermoplastic resin with high air permeation resistance (IB) to thereby repair the repair site (J). Further, there is provided a material (II) of inside surface portion repair material (26) for pneumatic tire (11) characterized by being composed of an adhesion laminate of rubber layer (27) of vulcanized rubber and resin layer (28) of a resin with high air permeation resistance and being adapted to be attached to repair site (J) of an inside surface portion of pneumatic tire (11) to thereby repair the repair site (J).
Description
Technical field
The present invention relates to a kind of airtyred interior facial repair method and be used to repair airtyred interior facial repairing member.
Background technology
Usually, in the pneumatic tire running, when airtyred fetus face and side wall portion are thrown aside that nail on the road, screw etc. pierce through and when sustaining damage, the interior drops of tire makes and can not move, so, to attach to the tire inner face be that the position is promptly repaired in the given area at center with the thorn perforating wound by repairing member, and will repair member by vulcanizing treatment and adhere to and come place under repair herein.
Up to now, known as in Japanese kokai publication hei 8-244124 communique disclosed airtyred in the face repair method and inner face portion repair material.In Japanese kokai publication hei 8-244124 communique in disclosed in the facial repair method, in the pneumatic tire running, when airtyred fetus face or side wall portion are thrown aside that nail on the road, screw etc. pierce through and when sustaining damage, to stop up rubber is filled in the thorn perforating wound, afterwards, to attach to the repairing position of thorn around the perforating wound by the repairing patch that reinforcing cord and uncured rubber are made, should repair patch and be fixed to repair area thereby vulcanize with high temperature then.
And, disclosed inner face portion repair material is by constituting with the lower part in the Japanese kokai publication hei 8-244124 communique: first rubber layer, its be arranged in attaching face with repair the relative side in position, and by have with airtyred in NR (the natural rubber)-Ji rubber of good adhesion of facial (inner liner) make; Second rubber layer, it is arranged in the side away from the repairing position of the face opposite with attaching face, and makes by having high airproof butyl-like rubber; And be clipped between first rubber layer and second rubber layer and comprise the layer of a plurality of reinforcing cords of layout parallel to each other.
Summary of the invention
Yet, in aforesaid traditional pneumatic tire in the facial repair method, because repairing patch is made by reinforcing cord and uncured rubber, so be necessary to carry out vulcanizing treatment to repairing patch, be fixed firmly to the repairing position will repair patch, as a result, existence need be carried out the problem of long complex job and large equipment.
Therefore, first purpose of the present invention provide a kind of can be simply and repair apace in airtyred facial airtyred in facial repair method.
In aforesaid traditional repair method facial in airtyred, because the ground floor and the second layer except the reinforcing cord layer are made by rubber, so this repairing member has constant weight, therefore, in the time should repairing member and attached to airtyred repairing position, airtyred static state and dynamically between balance destroyed, thereby make in the running riding comfort deterioration to anti-vibration.
Therefore, though second purpose of the present invention provide a kind of in light weight and by attach to also destroy hardly after repairing the position static and dynamically between balance airtyred in the repairing member of face.
For first purpose, first, can realize by a kind of airtyred interior facial repair method, wherein, to repair member and attach to and have the repairing position in the face in inner liner airtyred by having film that high airproof resin makes with adhesive, to repair this repairing position
Perhaps second, can realize by a kind of airtyred interior facial repair method, wherein, to repair member and attach to and have the repairing position in the face in inner liner airtyred by having film that high airproof thermoplastic resin makes by welding (solvent welding), to repair this repairing position.
In addition, second purpose can be by following realization: the rubber layer made with vulcanized rubber constitutes the repairing member with the laminated sheet that fits tightly with the made resin bed of high airproof resin, and will repair member attach to airtyred in repairing position in the face, to repair this repairing position.
In claim 1 of the present invention, only by with adhesive with film repair member attach to repair the position just can repair airtyred in repairing position in the face, thereby can be simply and repair apace airtyred in face.In claim 2 of the present invention, only attach to the repairing position of repairing in the interior face that just can repair tire in the position, thereby can simply and apace repair airtyred interior facial with small scale equipment by repairing member by the film that thermoplastic resin is made via welding.And in claim 1 of the present invention and 2, film is repaired member and is made by having high airproof resin, thereby can make the repairing position after repairing have strong interior pressure maintenance function.
Structure according to claim 3, it is strong with the attaching power of repairing the position to make film repair member.
Structure according to claim 4, adhesive can overflow film hardly repairs member, thereby the outward appearance after repairing is become well, and when film was repaired the member welding, adhesive can be used for interim joint.
The material that structure according to claim 5, film are repaired member is identical with the material of repairing the position, thereby has improved heat seal strength, and can make airtyred in air-tightness on the whole zone of face substantially the same.
Structure according to claim 6 when keeping film to repair the original-shape of member basically, can be repaired film member and be fused to the repairing position reliably.
Structure according to claim 7 can carry out the welding that film is repaired member in passing when sulfuration, thereby the equipment and the operation that are used for welding is useless.
Structure according to claim 8, the stripper-resistance excellence, and also machinability is good.
Structure according to claim 9, film are repaired member and are matched with the repairing position well by distortion, and improve with the adhesiveness of repairing the position.
Structure according to claim 10 has further improved film and has repaired member and the adhesiveness of repairing the position.
In claim 11 of the present invention, by fitting tightly the stacked rubber layer of being made by vulcanized rubber and constitute the inner face portion repair material by having the resin bed that high airproof resin makes, thereby the part of inner face portion repair material is made of the proportion resin littler than rubber.The result, the weight saving of inner face portion repair material, thus, repair the position even this inner face portion repair material attached to, also can can not be than havoc static and dynamically between the situation of balance under suppress in the pneumatic tire running deterioration effectively to the riding comfort of anti-vibration.
Structure according to claim 12 if the carcass line or belt bundle cord in the pneumatic tire is damaged, then can strengthen this damaged portion by reinforcing cord.
Structure according to claim 13, the material of the attaching face of inner face portion repair material is identical with the material of repairing the position, thereby has improved attaching intensity, and can make the air-tightness on the whole zone facial in airtyred substantially the same.
Structure according to claim 14 can improve attaching intensity.
Structure according to claim 15 can make air-tightness be equal to or higher than the air-tightness of traditional inner face portion repair material.
Structure according to claim 16, adhesive can overflow the inner face portion repair material hardly, thereby make the outward appearance after repairing become good.
Structure according to claim 17 can improve adhesion, and can make machinability good.
Structure according to claim 18, the inner face portion repair material becomes stronger with the adhesion of repairing the position.
Description of drawings
Fig. 1 is the airtyred meridian cutaway view of diagram embodiments of the invention 1.
Fig. 2 is the amplification view of the part A among Fig. 1.
Fig. 3 is the plane that film is repaired member.
Fig. 4 is the amplification view of the part B among Fig. 1.
Fig. 5 is the airtyred meridian cutaway view of diagram embodiments of the invention 2.
Fig. 6 is the amplification view of the portion C among Fig. 5.
Fig. 7 is the plane of the repairing member of interior face.
Fig. 8 is the cutaway view of the inner face portion repair material of diagram embodiments of the invention 3.
Fig. 9 is the cutaway view of the inner face portion repair material of diagram embodiments of the invention 4.
Figure 10 is the cutaway view of the inner face portion repair material of diagram embodiments of the invention 5.
The specific embodiment
Below with reference to description of drawings embodiments of the invention 1.In Fig. 1 and Fig. 2, Reference numeral 11 is the pneumatic tires that are installed on passenger car, truck, the bus etc.Pneumatic tire 11 comprises the pair of bead portion 13 that all is embedded with bead core 12, from radially outward extending basically side wall portion 14 of each bead part 13 and the interconnected fetus face 15 cylindraceous basically of radial outer end that makes two side wall portions.
In addition, pneumatic tire 11 comprises casing ply 16, this casing ply 16 spiral extension and strengthen side wall portion 14 and fetus face 15 between bead core 12, and wherein, the both ends of casing ply 16 side direction in is axially axially rolled around bead core 12 in the outside.And, in the interior face of pneumatic tire 11, particularly, inner face side at casing ply 16 is furnished with inner liner 17, at least the inner face side of this inner liner 17 (exposing the face side) is by having high airproofly make as rubber such as butyl rubber or thermoplastic resin, effectively to suppress the decline of inner pressure of tire.Here, high air impermeability means that air penetration constant (airpermeation constant) is not more than 1.5 * 10
-9Cm
3Cm/cm
2SeckPa.
As thermoplastic resin, what can mention for example is, as resins such as polyesters, nylon-type, polynitriles (polynitrile) class, polyethylene base class, TPO, polyurethanes, ethylene-vinyl alcohol copolymer classes.These resins can use separately or can two or more be used in combination, and in addition, can also use the copolymer of the monomer that constitutes these resins.
Particularly, polyesters comprises PETG, PEN and PETG, nylon-type comprises 6-nylon and 6,6-nylon, the polyethylene base class comprises polyvinyl chloride and polyvinylidene chloride, TPO comprises polyethylene and polypropylene, and the ethylene-vinyl alcohol copolymer class comprises the ethylene-vinyl alcohol copolymer of usefulness epoxide modification etc.
In the process that pneumatic tire 11 moves on the road surface, when pneumatic tire 11 is stepped on nail etc. and when causing passing the wound of fetus face 15, because the decline of interior pressure causes carrying out the operation of pneumatic tire 11, thereby should be punctured repairing.In this case, at first thorn perforating wound H is carried out given preliminary treatment such as coating as polishing, adhesive, afterwards, to stop up rubber G is filled among the thorn perforating wound H, then, outer surface and the outstanding part of inner surface from fetus face 15 of stopping up rubber G are removed, so that the outer surface of fetus face 15 and smooth interior surfaces.
Afterwards, with have the surface temperature that is not less than 50 ℃ as when pushing the film repairing member 22 that anchor clamps, 23 heating such as flatiron (iron) the welding member of etc.ing are made by thermoplastic resin, with this film repair member 22 be pressed to fetus face 15 inner face (inner liner 17) be that position J is promptly repaired in the given area at center with thorn perforating wound H, and by welding this film is repaired member 22 and attach to herein, thereby repair this repairing position J.Like this, only attach to and repair position J and just can repair this repairings position J by film being repaired member 22 via welding, thus just can be simply and repair the interior face of pneumatic tire 11 apace by the small scale equipment (welding member 23) that is used for only under heating, pushing the repairing member.In this case, constitute by having high airproof resin, therefore, can make the interior pressure at the J place, repairing position after repairing keep function strong because film is repaired member 22.
Repair member and have high airproof thermoplastic resin as constituting film, can adopt the thermoplastic resin that is used for inner liner 17.When this thermoplastic resin is used for film repairing member 22, if the inner surface side at least of inner liner 17 (exposing surface side) is made of above-mentioned thermoplastic resin, then the material of film repairing member 22 is identical with the material of repairing position J (inner liner 17), thereby improved heat seal strength, and can make the air-tightness on the whole zone of inner face of pneumatic tire 11 substantially the same.
Attach to when repairing position J when film being repaired member 22 via welding, film is repaired member 22 repair the fusing point of the thermoplastic resin of member 22 and be heated to this fusing point and add temperature in 20 ℃ the scope of temperature from constituting film.When heating-up temperature is lower than this fusing point, film is repaired member 22 and is not fully softened, can not be fused to reliably and be repaired position J, and when heating-up temperature adds 20 ℃ temperature above this fusing point, film is repaired member 22 by undue softening and easily by fluidisation, go farly mutually with its original-shape, repair thus and may fail.Yet, when heating-up temperature is in above-mentioned scope, repair member under the state that keeps original-shape basically from by the original-shape flow deformation shown in the imaginary line Fig. 2 for by the attaching shape shown in the solid line, and can be fused to reliably and be repaired position J.
Preferably attaching before above-mentioned film repairs member 22, for example, by repairing the cleaning that place under repair position J is come on the surface of position J with useless cloth or with solvent wiping.Repair position J when exposing the clean surface when cleaning, can make film repair member 22 and increase forcefully with the attaching power of repairing position J.
And, before repairing member via the welding adhered film, when adhesive 24 being attached to film and repairing the side to be attached of member 22, can before welding, film be repaired member 22 and temporarily attach to repairing position J via adhesive 24, therefore, easily correction thin film is repaired member 22 and the sticking position of repairing position J.And, be positioned at the lower position of rotating pneumatic tire 11 if repair position J, then can simply film be repaired member 22 and be placed on and repair position J and go up and film is repaired member 22 weldings by welding member 23, thus the attaching that can omit adhesive 24.
Can attach side or make adhesive 24 adhere to film repairing member by adhesive 24 is applied to, adhesive is adhered to repair position J side by attaching bonding film.As adhesive 24, can adopt Chemlok 234B (making) or have the adhesive of the composition of mentioning after a while by LordFar-East.
In addition, when pneumatic tire to be repaired 11 is retreads (basic tires, basetire) time, can be when the renovation operation of retreads film be repaired member 22 and attach to and repair position J, perhaps can film be repaired member 22 attach to and repair position J by uncured tyre surface being carried out heat that vulcanizing treatment produced with vulcanization plant via welding.In this case, can when sulfuration, carry out the welding that film is repaired member 22 in passing, thereby the equipment and the operation that are used for welding are unnecessary.
And image pattern 1 is the same with above-mentioned situation shown in Figure 4, can be undertaken repairing member to repairing the repairing of position J with film by repair member 22 with adhesive 24 adhered films.In this case, can attach to and repair position J and repair this repairing position J by with adhesive 24 film being repaired member 22 simply, thereby can be simply and repair the interior face of pneumatic tire 11 apace, and can improve the interior pressure maintenance function at the J place, repairing position after repairing.In addition, as above-mentioned situation, preferably cleaning is repaired position J before attaching.
In the latter case,, before attaching, adhesive 24 is adhered to the attaching face that film is repaired member 22, then, film is repaired member 22 attach to repairing position J as above-mentioned situation.When the film by attaching adhesive 24 before attaching or coating adhesive 24 carried out the adhesion of attaching face that adhesive 24 and film repair member 22, adhesive 24 can overflow film hardly repaired member 22, thereby the outward appearance after repairing is improved.
When only carrying out this attaching by adhesive 24, preferably film is repaired member 22 and attached to repairing position J, afterwards, via pressing member 25 film is repaired member and be pressed on the pneumatic tire 11.Like this, make film repair member 22 distortion to be fit to repair position J, therefore, the adhesion that can make and repair position J improves.
As adhesive 24, the preferred adhesive that comprises rubber constituent that uses, this rubber constituent comprises the halogenated butyl rubber that is not less than 50 quality % and based on the dithiocarbamates vulcanization accelerator of filler, the thiurams that is not less than 0.1 mass parts and/or the replacement of 2～50 mass parts of this rubber constituent of 100 mass parts and as the polyparadinitrosobenzene that is not less than 0.1 mass parts (poly-p-dinitrosobenzene) and 1 of crosslinking agent and crosslinking coagent, at least a in the 4-phenylene BMI.When the adhesive that will have this composition was used as adhesive 24, stripper-resistance was excellent, and can make processability good.
When adhesive comprises the halogenated butyl rubber that is not less than 70 quality % and is not less than the natural rubber of 5 quality % and/or isoprene rubber during as rubber constituent, adhesiveness is improved greatly, and when comprising the chlorosulfonated polyethylene during as rubber constituent that is not less than 10 quality %, weatherability, ozone resistance and hear resistance are improved.
Preferably, adhesive comprises based on the inorganic filler that is not less than 5 mass parts of the rubber constituent of 100 mass parts and/or carbon black as filler, to improve stripper-resistance.As inorganic filler, what can mention is to be selected from least a in silica, aluminium hydroxide, aluminium oxide and the magnesia that obtains by wet method.As the dithiocarbamates vulcanization accelerator that is included in the replacement in the adhesive, preferably be used to improve the zinc dibenzyl dithiocarbamate of stripper-resistance.
Attach to when repairing position J when film being repaired member 22, can film be repaired member 22 and adhesive 24 is heated to the temperature that makes adhesive 24 heat cross-linkings by pressing member 25 with pressing member 25.In this case, the heat cross-linking by adhesive 24 makes film repairing member 22 further improve with the adhesiveness of repairing position J.Can carry out this heating by the heat that when sulfuration produces.Puncture repairing except above-mentioned, when the interior face (inner liner 17) of new pneumatic tire 11 when having defective appearance, can also be by via welding or utilize aforesaid adhesive that film is repaired member to attach to and repair position J and come place under repair.
In the foregoing description 1, inner face side at least to inner liner 17 is pneumatic tire 11 places under repair of being made by thermoplastic resin, is by having the airtyred situation that high airproof rubber is made as butyl rubber etc. but the present invention can be applied to repair whole inner liner.Although in embodiment 1, before attaching, adhesive 24 is adhered to the attaching face that film is repaired member, can when attaching, the sheet adhesive be repaired between member 22 and the repairing position J between thin slice.
Embodiment 2
Then, embodiments of the invention 2 will be described with reference to the accompanying drawings.In Fig. 5 and Fig. 6, Reference numeral 11 is the pneumatic tires that are installed on passenger car, truck, the bus etc.Pneumatic tire 11 comprises the pair of bead portion 13 that all is embedded with bead core 12, from bead part 13 along the side wall portion 14 that extends radially outwardly basically and with the interconnected fetus face 15 cylindraceous basically of the radial outer end of two side wall portions.
And pneumatic tire 11 comprises casing ply 16, and spiral extension is to strengthen side wall portion 14 and fetus face 15 between bead core 12 for this casing ply 16, and wherein, the both ends of casing ply 16 are axially rolled around bead core 12 in the outside from axially interior side direction.And, in the interior face of pneumatic tire 11, particularly, the inner face side of casing ply 16 is furnished with inner liner 17, at least the inner face side of this inner liner 17 (exposing the face side) is made by having high airproof rubber as butyl rubber etc. or having high airproof thermoplastic resin etc., to suppress the decline of inner pressure of tire.
As thermoplastic resin, what can mention for example is, as resins such as polyesters, nylon-type, polynitriles (polynitrile) class, polyethylene base class, TPO, polyurethanes, ethylene-vinyl alcohol copolymer classes.These resins can use separately or can two or more be used in combination, and in addition, can also use the copolymer of the monomer that constitutes these resins.
Particularly, polyesters comprises PETG, PEN and PETG, nylon-type comprises 6-nylon and 6,6-nylon, the polyethylene base class comprises polyvinyl chloride and polyvinylidene chloride, TPO comprises polyethylene and polypropylene, and the ethylene-vinyl alcohol copolymer class comprises the ethylene-vinyl alcohol copolymer of usefulness epoxide modification etc.
In the process that pneumatic tire 11 moves on the road surface, when pneumatic tire 11 is stepped on nail etc. and when causing passing the wound of fetus face 15, because the decline of interior pressure causes carrying out the operation of pneumatic tire 11, thereby should be punctured repairing.In this case, at first thorn perforating wound H is carried out given preliminary treatment such as coating as polishing, adhesive, afterwards, to stop up rubber G fills out therein, then, remove from the outer surface and the outstanding part of inner surface of fetus face 15 stopping up rubber G, so that the outer surface of fetus face 15 and smooth interior surfaces.
Afterwards, with adhesive 24 the repairing member 26 of interior face is attached to pneumatic tire 11 interior face (inner liner 17) be that position J is promptly repaired in the given area at center with thorn perforating wound H, to repair this repairing position J.Here; by fitting tightly facial repairing member 26 in stacked rubber layer 27 and resin bed 28 formations; this rubber layer 27 is made by the vulcanized rubber of the resin bed 28 mentioned at least after a while of protection and is had a good adhesiveness with resin bed 28; this resin bed 28 is made by having high airproof resin; in an illustrated embodiment, by utilize adhesive that for example composition is identical with the composition of adhesive 24 fit tightly stacked single rubber layer 27 and single resin bed 28 constitute in facial repairing member 26.
Like this, by fitting tightly facial repairing member 26 in stacked rubber layer 27 and resin bed 28 formations, thereby the part of the repairing member 26 of interior face is made of the proportion resin littler than the proportion of rubber, therefore, the weight of facial repairing member 26 reduces in making, attach to repairing position J even will repair member thus, also can suppress to make in the running situation effectively to the riding comfort deterioration of anti-vibration, and not greatly havoc pneumatic tire 11 static and dynamically between balance.And, rubber layer 27 is made by vulcanized rubber, and utilize adhesive 24 attach in facial repairing member 26, thereby with compare in conjunction with the situation of the repairing member place under repair of the interior face that comprises uncured rubber by sulfuration, can be simply and place under repair apace.
As rubber layer 27, adopt adhesiveness with resin bed 28 good and hear resistance is excellent as butyl-like rubber and natural rubbers such as butyl rubber, halogenated butyl rubbers.As constituting resin bed 28 and having high airproof thermoplastic resin, can adopt the identical thermoplastic resin of thermoplastic resin that is adopted with inner liner 17.And, have at 20 ℃ and to be not more than 1.5 * 10
-9Cm
3Cm/cm
2The resin bed that the air of seckPa sees through constant is used as resin bed 28, therefore, can make air-tightness be equal to or greater than traditional inner face portion repair material, and can make the interior pressure at the J place, repairing position after repairing keep function to improve forcefully.
When the inner face side at least (exposing the face side) of pneumatic tire 11 (inner liner 17) when constituting by aforesaid thermoplastic resin, as in the present embodiment, by attaching to and repair position J and come place under repair by being positioned at inner face portion repair material 26 that relative repairing position J constitutes at the resin bed 28 that attaches the face side and made by thermoplastic resin and the rubber layer 27 that is positioned at a side opposite with attaching face (away from a side of repairing position J), the material of the resin bed 28 of the attaching face of being positioned at side is identical with the material of repairing position J (inner liner 17), thereby improve to attach intensity, and can make the air-tightness on the whole zone of inner face of pneumatic tire 11 substantially the same.
And, the shape of the repairing member 26 of interior face can according to the position of repairing position J, size etc. from as different shapes such as rectangle, ellipse, avette, circle selection best.For example, Fig. 7 illustrates the substantial rectangular shape.Here, preferably before attaching above-mentioned inner face portion repair material 26, for example, by repairing the cleaning that place under repair position J is come on the surface of position J with useless cloth or with solvent wiping.Repair position J when exposing the clean surface when cleaning, the repairing member 26 of inner face portion and the attaching power of repairing position J are increased forcefully.
In this case, adhesive 24 is adhered to the attaching face side of inner face portion repair material 26 by coating adhesive 24 or attaching bonding film, afterwards, inner face portion repair material 26 is attached to repairing position J, thereby adhesive 24 can overflow inner face portion repair material 26 hardly, and the outward appearance after repairing is improved.
When only utilizing adhesive 24 that inner face portion repair material 26 is attached to repairing position J, preferably when inner face portion repair material 26 being attached to repairing position J, perhaps after inner face portion repair material 26 being attached to repairing position J, inner face portion repair material 26 is pressed on the pneumatic tire 11 via pressing member 25.Like this, make 26 distortion of inner face portion repair material with the suitable position J of repairing, thereby can improve and the adhesiveness of repairing position J.In this case, by the influence of member 25 that is not pressed of rubber layer 27 protection resin beds 28, thereby prevent that resin bed 28 from breaking.
As adhesive 24, as previously mentioned, the preferred adhesive that comprises rubber constituent that uses, this rubber constituent comprises the halogenated butyl rubber that is not less than 50 quality % and based on the dithiocarbamates vulcanization accelerator of filler, the thiurams that is not less than 0.1 mass parts and/or the replacement of 2～50 mass parts of this rubber constituent of 100 mass parts and as the polyparadinitrosobenzene that is not less than 0.1 mass parts (poly-p-dinitrosobenzene) and 1 of crosslinking agent and crosslinking coagent, at least a in the 4-phenylene BMI.When the adhesive that will have this composition is used as adhesive 24, can improves adhesion, and can make processability good.
When adhesive comprises the halogenated butyl rubber that is not less than 70 quality % and is not less than the natural rubber of 5 quality % and/or isoprene rubber during as rubber constituent, adhesiveness is improved greatly, and when comprising the chlorosulfonated polyethylene during as rubber constituent that is not less than 10 quality %, weatherability, ozone resistance and hear resistance are improved.
Preferably, adhesive comprises based on the inorganic filler that is not less than 5 mass parts of the rubber constituent of 100 mass parts and/or carbon black as filler, to improve adherence.As inorganic filler, what can mention is to be selected from least a in silica, aluminium hydroxide, aluminium oxide and the magnesia that obtains by wet method.As the dithiocarbamates vulcanization accelerator that is included in the replacement in the adhesive, preferably be used to improve adhering zinc dibenzyl dithiocarbamate.
When inner face portion repair material 26 being attached to repairing position J, preferably inner face portion repair material 26 and adhesive 24 are heated to the temperature that makes adhesive 24 heat cross-linkings by pressing member 25 via pressing member 25.In this case, the heat cross-linking by adhesive 24 further improves inner face portion repair material 26 and the adhesiveness of repairing position J.
When pneumatic tire to be repaired 11 is retreads (basic tire), can be when the renovation operation of retreads, promptly can be by uncured tyre surface being carried out the heat cross-linking that heat that vulcanizing treatment produced causes adhesive 24 with vulcanization plant.In this case, can when sulfuration, carry out the heat cross-linking of adhesive 24 in passing, thereby the equipment and the operation that are used for heat cross-linking are unnecessary.
And, when resin bed 28 is arranged in the attaching face side of aforesaid inner face portion repair material 26, in as pressing members such as flatiron 25 heating inner face portion repair materials 26, pushing inner face portion repair material 26, can and attach to resin bed 28 weldings thus and repair position J, to repair this repairing position J.In this case, adhesive 24 can engage with repairing the interim of position J as inner face portion repair material 26.
When via welding inner face portion repair material 26 being attached to when repairing position J as described above, preferably the resin bed in the inner face portion repair material 26 28 is heated to this fusing point from the fusing point of resin bed and adds 20 ℃ temperature.When heating-up temperature is lower than this fusing point, resin bed 28 is not fully softened, can not be fused to reliably and be repaired position J, and when heating-up temperature adds 20 ℃ temperature above this fusing point, resin bed is by undue softening and easily by fluidisation, thereby go farly mutually with original-shape, make thus and repair failure.
Embodiment 3
Fig. 8 is the figure that embodiments of the invention 3 are shown.In this embodiment, rubber layer 27 as the part of inner face portion repair material 26 is made of the first rubber layer 27a and two rubber layers of the second rubber layer 27b, and at least one deck, be that the organic fiber of layout parallel to each other of one deck or a plurality of reinforcing cords 29 of steel are arranged between the first rubber layer 27a and the second rubber layer 27b in an illustrated embodiment, thus, reinforcing cord 29 is embedded in the rubber layer 27 with stratiform.In addition, Reference numeral 28 is resin beds, and Reference numeral 24 is adhesives.Like this, if the carcass line or belt bundle cord in the pneumatic tire 11 is damaged, can easily strengthen this pars affecta by reinforcing cord 29.In addition, identical among other structure and function and the embodiment 2.
Embodiment 4
Fig. 9 is the figure that embodiments of the invention 4 are shown.In this embodiment, the inner face of pneumatic tire 11 (inner liner 17) constitutes by having high airproof vulcanized rubber as butyl rubber etc., further fitted tightly the attaching face side that is layered in rubber layer 27 and resin bed 28 by have the adhesion rubber layer made from the rubber of the good adhesion of vulcanized rubber 30 as natural rubber etc., and be adhered to the attaching face side that adheres to rubber layer 30 as the composition adhesives such as adhesive 24 identical with the composition of aforementioned adhesion agent or Chemlok234B (making) by Lord Far-East.Even when the inner face of pneumatic tire 11 by having that high airproof vulcanized rubber constitutes and resin bed 28 when being disposed in the attaching face side of the rubber layer 27 in the inner face portion repair material 26, facial repairing member 26 and the attaching intensity of repairing position J in also can improving.Identical among other structure and function and the embodiment 2.
Embodiment 5
Figure 10 is the figure that embodiments of the invention 5 are shown.In this embodiment, the inner face of pneumatic tire 11 (inner liner 17) constitutes by having high airproof vulcanized rubber, further fitted tightly the attaching face side that is layered in rubber layer 27 and resin bed 28 by have the adhesion rubber layer made from the rubber of the good adhesion of vulcanized rubber 30 as natural rubber etc., this rubber layer 27 constitute by the first rubber layer 27a and the second rubber layer 27b and within it portion be embedded with reinforcing cord 29, and the adhesive 24 identical with the aforementioned adhesion agent is adhered to the attaching face side that adheres to rubber layer 30.Even when the inner face of pneumatic tire 11 by having that high airproof vulcanized rubber constitutes and resin bed 28 when being disposed in the attaching face side of the rubber layer 27 in the inner face portion repair material 26, also can improve inner face portion repair material 26 and the attaching intensity of repairing position J.Identical among other structure and function and the embodiment 3.
Industrial applicability
The present invention can be applied to repair and be arranged in airtight in the airtyred interior face The industrial circle of layer. And the present invention can be applied to repair airtyred inner face The industrial circle of the repairing member of section.
Claims (18)
- One kind airtyred in facial repair method, it is characterized in that, to repair member and attach to and have the repairing position in the face in inner liner described airtyred described by having film that high airproof resin makes with adhesive, to repair described repair shop position.
- One kind airtyred in facial repair method, it is characterized in that, to repair member and attach to and have the repairing position in the face in inner liner described airtyred described by having film that high airproof thermoplastic resin makes by welding, to repair described repair shop position.
- 3. airtyred interior facial repair method according to claim 1 and 2 is characterized in that, before described film repairing member is attached to described repairing position, cleans described repairing position to expose the cleaning face.
- 4. airtyred interior facial repair method according to claim 1 and 2 is characterized in that, before attaching described film repairing member, adhesive is adhered to the attaching face side that described film is repaired member.
- 5. airtyred interior facial repair method according to claim 2 is characterized in that the inner face side at least of described inner liner is made by having high airproof thermoplastic resin.
- 6. airtyred interior facial repair method according to claim 2 is characterized in that, adds that by described film repairing member is heated to described fusing point from its fusing point 20 ℃ temperature attaches to described repairing position with described film repairing member.
- 7. airtyred interior facial repair method according to claim 2 is characterized in that, when described pneumatic tire is retreads, utilizes the heat of vulcanization that produces when the renovation operation to attach described film by welding and repairs member.
- 8. airtyred interior facial repair method according to claim 1, it is characterized in that, described adhesive comprises rubber constituent, described rubber constituent comprises the halogenated butyl rubber that is not less than 50 quality % and based on the dithiocarbamates vulcanization accelerator of filler, the thiurams that is not less than 0.1 mass parts and/or the replacement of 2～50 mass parts of the described rubber constituent of 100 mass parts and as the polyparadinitrosobenzene that is not less than 0.1 mass parts and 1 of crosslinking agent and crosslinking coagent, at least a in the 4-phenylene BMI.
- 9. airtyred interior facial repair method according to claim 1 is characterized in that described film is repaired member and attached to described repairing position, is pushed to afterwards on the described pneumatic tire.
- 10. airtyred interior facial repair method according to claim 8 is characterized in that described film is repaired member and is heated to the temperature that described adhesive carries out the heat cross-linking reaction.
- 11. airtyred interior facial repairing member, it is characterized in that, by fitting tightly the stacked rubber layer of making by vulcanized rubber and constituting described repairing member by having the resin bed that high airproof resin makes, described repairing member is attached to the repairing position in the described airtyred described interior face, to repair described repair shop position.
- 12. airtyred interior facial repairing member according to claim 11 is characterized in that a plurality of reinforcing cords of layout parallel to each other are embedded in the described rubber layer with stratiform.
- 13. airtyred interior facial repairing member according to claim 11, it is characterized in that, when described airtyred inner face by having high airproof thermoplastic resin when constituting, described resin bed is made and is disposed in the attaching face side at described relatively repairing position by thermoplastic resin.
- 14. airtyred interior facial repairing member according to claim 11, it is characterized in that, when described airtyred inner face by having high airproof vulcanized rubber when constituting, further fitted tightly the attaching face side that is laminated to described resin bed by having the adhesion rubber layer made from the rubber of the good adhesion of described vulcanized rubber.
- 15. according to claim 11 airtyred in facial repairing member, it is characterized in that described resin bed has and is not more than 1.5 * 10 -9Cm 3Cm/cm 2The air of seckPa sees through constant.
- 16. airtyred interior facial repairing member according to claim 11 is characterized in that adhesive is adhered to the attaching face at described relatively repairing position.
- 17. airtyred interior facial repairing member according to claim 16, it is characterized in that, described adhesive comprises rubber constituent, described rubber constituent comprises the halogenated butyl rubber that is not less than 50 quality % and based on the dithiocarbamates vulcanization accelerator of filler, the thiurams that is not less than 0.1 mass parts and/or the replacement of 2～50 mass parts of the described rubber constituent of 100 mass parts and as the polyparadinitrosobenzene that is not less than 0.1 mass parts and 1 of crosslinking agent and crosslinking coagent, at least a in the 4-phenylene BMI.
- 18. airtyred interior facial repairing member according to claim 17 is characterized in that, after attaching to described repairing position, described adhesive is heated to the temperature that causes the heat cross-linking reaction.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP096961/2005 | 2005-03-30 | ||
| JP2005096961A JP2006272809A (en) | 2005-03-30 | 2005-03-30 | Repairing method of inner surface part of pneumatic tire |
| JP111611/2005 | 2005-04-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101151144A true CN101151144A (en) | 2008-03-26 |
Family
ID=37208008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200680010752XA Pending CN101151144A (en) | 2005-03-30 | 2006-03-29 | Method of repairing inside surface portion of pneumatic tire, and relevant inside surface portion repair material |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2006272809A (en) |
| CN (1) | CN101151144A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103338946A (en) * | 2011-02-02 | 2013-10-02 | 株式会社普利司通 | Tire and tire manufacturing method |
| CN109311244A (en) * | 2016-06-09 | 2019-02-05 | 株式会社普利司通 | The method for repairing and mending of tire |
| CN113877865A (en) * | 2021-11-10 | 2022-01-04 | 李金成 | Inside purger of green house membrane |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5675173B2 (en) * | 2010-05-28 | 2015-02-25 | 株式会社ブリヂストン | Repair method |
| JP5666201B2 (en) * | 2010-08-19 | 2015-02-12 | 株式会社ブリヂストン | Tire repair method |
| JP5779874B2 (en) * | 2010-12-07 | 2015-09-16 | 横浜ゴム株式会社 | Pneumatic tire repair rubber composition and repair method |
-
2005
- 2005-03-30 JP JP2005096961A patent/JP2006272809A/en not_active Withdrawn
-
2006
- 2006-03-29 CN CNA200680010752XA patent/CN101151144A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103338946A (en) * | 2011-02-02 | 2013-10-02 | 株式会社普利司通 | Tire and tire manufacturing method |
| CN103338946B (en) * | 2011-02-02 | 2016-10-26 | 株式会社普利司通 | tire and tire manufacturing method |
| CN109311244A (en) * | 2016-06-09 | 2019-02-05 | 株式会社普利司通 | The method for repairing and mending of tire |
| CN113877865A (en) * | 2021-11-10 | 2022-01-04 | 李金成 | Inside purger of green house membrane |
| CN113877865B (en) * | 2021-11-10 | 2022-12-09 | 段瑞 | Inside purger of green house membrane |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2006272809A (en) | 2006-10-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2397314B1 (en) | Method for making pneumatic tire with foam noise damper | |
| EP2397347B1 (en) | Method for making pneumatic tire with foam noise damper and tire with foam noise damper | |
| KR100913936B1 (en) | Pneumatic tire | |
| US20090229737A1 (en) | Method for repairing inner face portion of pneumatic tire and repair member for inner face portion | |
| EP2457720B1 (en) | Method for making pneumatic tire with foam noise damper | |
| JP6298228B2 (en) | Pneumatic tire having a barrier layer and manufacturing method thereof | |
| CN101674947B (en) | Pneumatic tire and process for manufacturing the same | |
| US20110308704A1 (en) | Method for making pneumatic tire with foam noise damper | |
| CA2627637A1 (en) | Construction comprising tie layer | |
| CN101151144A (en) | Method of repairing inside surface portion of pneumatic tire, and relevant inside surface portion repair material | |
| US7704343B2 (en) | Method of manufacturing pneumatic tire and tire building machine used therefor | |
| JP5538978B2 (en) | Tire manufacturing method and tire | |
| JP5108201B2 (en) | Adhesive composition, method for producing joined body, and rubber cement | |
| JP5632684B2 (en) | Pneumatic tire and manufacturing method thereof | |
| WO2017051891A1 (en) | Tire | |
| JP5646983B2 (en) | Inner liner, its manufacturing method and pneumatic tire | |
| JP2010260280A (en) | Laminate, method of manufacturing the same, and pneumatic tire | |
| JP2006289707A (en) | Repairing material for inner surface part of pneumatic tire | |
| JP5565501B2 (en) | Laminate manufacturing method and pneumatic tire manufacturing method | |
| JP5666201B2 (en) | Tire repair method | |
| JP2012040831A (en) | Method for recovering air barrier properties of tire | |
| JP2010046869A (en) | Method for manufacturing pneumatic tire |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20080326 |