Abstract: A method for repairing a tire is provided that includes: (a) providing a reamer, a knife, an insertion tool forming a receiving opening, a plugging strip, and vulcanizing fluid; (b) inserting the reamer into a puncture hole of a tire to clear debris; (c) applying the vulcanizing fluid; (d) inserting the plugging strip into the insertion tool; (e) inserting the insertion tool with the plugging strip into the puncture hole to cause the plugging strip to fold into the puncture hole mixed with the vulcanizing fluid to bond the plugging strip and the tire; (f) removing the insertion tool from the puncture hole causing a middle portion of the plugging strip to fold internally forming a four-layer seal within the puncture hole; and (g) cutting the plugging strip from the insertion tool and the excess portions of the plugging strip with the knife.

Abstract: A method of repairing an over-frame blanket assembly in an aircraft includes identifying an aperture in an over-frame blanket piece having an exposed sound barrier layer. The method further includes cutting an acoustic barrier patch to a size that is larger than the aperture. The method includes adhering a sound barrier layer of the acoustic barrier patch to the exposed sound barrier layer of the over-frame blanket piece around the aperture to cover the aperture.

Abstract: A method and/or article is used for repairing of a worn, damaged, punctured or sliced but otherwise functional vehicle tire, for example on the sidewall of the tire. An external patch includes a layer of adhesive applied directly to the slice or puncture and a patch portion that is applied to an exterior surface of a vehicle tire. A separate adhesive affixes the patch portion to the exterior surface of the tire. The adhesive is in contact with a contact surface of the patch portion and also with the exterior surface of the tire. The adhesive may not form a continuous layer, but may hold the patch to the tire by discrete anchor points of adhesive, the anchor points being separated by adhesiveless areas.

Abstract: The present disclosure provides for a repair device useful in the repair of surfaces, particularly in a healthcare environment. An exemplary form of the present comprises a repair patch, a pre-mask and release liner; the repair patch interposed between the pre-mask and release liner; the removable adhesive interposed between the pre-mask and repair patch; and the permanent adhesive interposed between the repair patch and the release liner; wherein the adhesion value of the removable adhesive is lower than that of the permanent adhesive.

Abstract: A gasket is provided with a tacky polyurethane or polyurea gel body and a metallic mesh skeleton where the skeleton has been coated with a conversion coating. The conversion coating helps reduce corrosion in the gasket and corrosion on the parts that place the gasket under compression, especially where an environment conducive to galvanic corrosion is present. This gasket may then be used in assemblies which include aircraft parts, which parts may be subject to extreme environmental conditions.

Abstract: A modular tire service station for servicing vehicle tires includes a first pre-configured service module and a second pre-configured service module that is proximate the first module. A customer area is disposed in at least one of the first module and the second module, a tire storage area is disposed in at least one of the first module and the second module, and a tire service area is disposed in at least one of the first module and the second module.

Abstract: A pneumatic tire includes a fastener disposed on a tire inner surface, the fastener being a first fastener of a separatable pair of mechanical fasteners and being composed of at least two fastener members. The at least two fastener members sandwich a rubber-coated fiber reinforced member and fix together. The fastener is disposed at a position such that a distance (D) in a tire width direction from a center position (C) of the fastener to a tire equator line (L) and a maximum width (W) of the tire satisfy a following relationship: 0?D/W?0.40. The fiber reinforced member includes a plurality of fiber bundles disposed in alignment in at least one direction, a number of fiber bundles Y (bundles/50 mm width) per unit width of the fiber reinforced member being such that: 20?Y (bundles/50 mm width)?90.

Abstract: A method and assembly are provided in order to inspect a partially cured repair patch prior to installation. For example, an assembly for inspecting a repair patch is provided that includes a partially cured repair patch comprised of a composite material. The assembly also includes an acoustic facilitation layer disposed proximate of the surface of the repair patch through which ultrasonic signals will be introduced. The assembly further includes a vacuum bag surrounding the repair patch and the acoustic facilitation layer. The acoustic facilitation layer has an acoustic impedance that is closer to the respective acoustic impedances of the repair patch and the vacuum bag than the acoustic impedance of air is to the respective acoustic impedances of the repair patch and the vacuum bag.

Abstract: Provided is a method for repairing a radial tire that enhances the durability of patch rubber attached to a damaged portion of a carcass ply from the inner side of the tire and that extends the service life of the repaired tire while reducing the repair time. The method according to the present invention for repairing a radial tire (1) includes a step of attaching a patch rubber (10), in which a plurality of reinforcing elements (11) are arranged in parallel and covered with rubber, from the inner side of the tire to a damaged portion (7) of a carcass ply (5a) when at least one ply cord (6a) in the carcass ply is broken along with ply rubber at a sidewall portion (3). The patch rubber is attached so that the reinforcing elements (11) are parallel to a tire radial direction and so that inner edges (11a, 11b, 11c) of the reinforcing elements (11) in the tire radial direction are positioned to at least partially have different mutually distances in a perpendicular direction from a tire circumferential line.

Abstract: Methods and apparatus for applying a repair patch to a damaged portion of a tire, the steps of the method including removably positioning the patch in a repair position overlapping the damaged portion, pulling a tab to remove a protective sheet to uncover at least a portion of the bonding surface while the patch is in contact with the tire, and pressing the uncovered bonding surface into contact with the tire.

Abstract: A system for repair of damaged holes in composite structures incorporates a repair system tool device having a sleeve sized to be closely received in a hole in a composite structure. The sleeve has a central bore for receiving parent resin and an array of orifices for radial expulsion of the parent resin into the hole. A caul plate seals the central bore and a vacuum bag covering the caul plate is sealed to the surface of the composite structure. Introduction of vacuum in the vacuum bag provides a differential pressure for infusion of resin from the orifices in the sleeve into delaminations extending from the hole.

Abstract: A pneumatic tire assembly includes: a tire having a pneumatic cavity; a rigid structure for facilitating operation of the tire assembly, the rigid structure being bonded to the tire by a layered thermoplastic material such that a stiffness gradient is created between the structure and the tire; first and second sidewalls extending respectively from first and second tire bead regions to a tire tread region, the first sidewall having at least one bending region operatively bending when radially within a rolling tire footprint; and a sidewall groove defined by groove walls positioned within the bending region of the first tire sidewall, the sidewall groove deforming segment by segment between a non-deformed state and a deformed, constricted state in response to bending of the bending region of the first sidewall while radially within the rolling tire footprint.

Abstract: A repair patch for an elastomer component, in particular for a vehicle tire, includes a cover layer, a connecting layer for contacting a wall of the elastomer component and at least one intermediate layer arranged between the connecting layer and the cover layer. The connecting layer has such a initial tack before vulcanization with the elastomer component that a connection between the repair patch and the elastomer component transmits at least the own weight of the repair patch and the connecting layer has a separation value of at least 5 N/mm after vulcanization with the elastomer component.

Abstract: The present invention relates to a silicon breast implant which minimizes stress concentration applied thereto after being inserted into the human body to maximize the resistance of same to fatigue-induced rupture, thereby improving the durability of the implant. The breast implant may include an elegant patch-adhesion portion having a thin thickness so as to provide superior overall feel and improve the appearance of the product. Further, the breast implant has a silicon shell defining an outer wall thereof and the patch adhesion portion for closing, from the outside, a hole formed in a bottom surface of the silicon shell so that the patch adhesion portion is increased in strength to maximize adhesion durability, safety of use, and effectiveness. The silicon shell has a uniform overall thickness, and the patch adhesion portion comprises a patch hole through which a patch adheres to a lower end of the silicon shell using an adhesive material.

Abstract: The present invention provides a tire that can achieve vulcanization at low temperatures and in a short time, and has high peeling resistance, a method for manufacturing thereof, and a rubber member for repair used in the method for manufacturing the tire. The method for manufacturing a tire of the present invention is a method for manufacturing a tire by adhering an adherend tire member and a tire member through a rubber composition for adhesion, the method comprising using an unvulcanized rubber composition containing, per 100 parts by mass of a rubber component, 0.1 parts by mass to 4.0 parts by mass of xanthate based compound, and 0.1 parts by mass to 5.0 parts by mass of sulfur as the rubber composition for adhesion.

Abstract: The present inventions includes methods and apparatus for preparing a portion of a tire for repair, the methods having steps that include forming an edge along an opening within the tire, the edge extending between an interior and an exterior surface of the tire and including one or more tire reinforcement endings, the edge being formed to include an alternating arrangement of tire reinforcement endings. Particular embodiments of the present invention includes methods of preparing a portion of a tire for repair, the method having steps that include forming an edge within an opening of a tire, said edge extending between an interior and exterior tire surface and including one or more reinforcement endings of the tire; and, applying a wrap about the edge to substantially cover the one or more tire reinforcement endings.

Abstract: A tire patch for repairing an associated vehicle tire includes a patch body configured to overlay a portion of the associated vehicle tire, and a plurality of reinforcements received at least partially within the patch body, each reinforcement of the plurality having a first ending and a second ending, wherein the plurality of reinforcements are arranged to provide a staggered arrangement of the first endings.

Abstract: Methods of repairing tire portions have steps that include removing at least part of the damaged portion of the tire to form an aperture or opening through the tire; forming one or more grooves in the tire adjacent to and extending from the aperture; placing at least one repair reinforcement within each of the one or more grooves; placing a patch on the tire to cover the aperture and each repair reinforcement; and, applying material to fill the remainder of the opening.

Abstract: A member a support for a device includes a mass of rubber delimited by two substantially parallel opposite surfaces forming respectively a supporting surface and a surface for connection with a tire. The mass includes an opening arranged in the connecting surface delimiting a recess arranged in the mass, and the opening does not lead to outside of the connecting surface.

Abstract: An object of the present invention is to provide: a patch rubber for repairing a radial tire, which patch rubber is capable of preventing troubles from occurring at an early stage in a repaired radial tire to enhance durability of the repaired radial tire; a method for repairing a radial tire by using the patch rubber; and a radial tire repaired by the patch rubber.

Abstract: Provided is a method for repairing a radial tire that enhances the durability of patch rubber attached to a damaged portion of a carcass ply from the inner side of the tire and that extends the service life of the repaired tire while reducing the repair time. The method according to the present invention for repairing a radial tire (1) includes a step of attaching a patch rubber (10), in which a plurality of reinforcing elements (11) are arranged in parallel and covered with rubber, from the inner side of the tire to a damaged portion (7) of a carcass ply (5a) when at least one ply cord (6a) in the carcass ply is broken along with ply rubber at a sidewall portion (3). The patch rubber is attached so that the reinforcing elements (11) are parallel to a tire radial direction and so that inner edges (11a, 11b, 11c) of the reinforcing elements (11) in the tire radial direction are positioned to at least partially have different mutually distances in a perpendicular direction from a tire circumferential line.

Abstract: A polyurethaneurea system that includes in some embodiments Parts A and B reaction components for a polyurethaneurea, wherein an exemplary embodiment provides a Part A that comprises between 55 and 75 wt. % of an oligomeric polyol, between 3 and 7 wt. % of an aromatic diamine chain extender, and between 0.1 and 1.5% of a reactivity catalyst; Part B includes between 1 and 15 wt. % of a short aromatic diisocyanate and between 5 and 35 wt. % of an aromatic diisocyanate prepolymer that is the reaction product of a short aromatic diisocyanate and a diol. The polyurethaneurea system may further comprise an elastomer-surface activator comprising a second short aromatic diisocyanate and a second aromatic diisocyanate prepolymer, wherein at least one of the second diisocyanates may be the same as at least one of the diisocyanates of Part B.

Abstract: The invention relates to the use of an adhesive composition between a vulcanized rubber part and an uncured or prevulcanized or vulcanized rubber part, based on at least one highly unsaturated elastomer chosen from the group formed by natural rubber, polyisoprene, polybutadiene, styrene-butadiene, styrene-isoprene and butadiene-isoprene copolymers and styrene-butadiene-isoprene terpolymers, an aliphatic solvent and a “curing” system comprising at least one stable aryl dinitrile oxide compound.

Abstract: Methods and apparatus for applying a patch to an interior surface of a tire, the apparatus comprising a patch holder having the top surface shaped to a contour of the interior surface of the tire, the patch holder comprising a patch receptacle and a plurality of orifices extending there through in fluid communication with a vacuum source, and, an adhesive barrier surrounding the patch receptacle. The steps of a method include placing a patch into a patch receptacle in a tire patch holder, the patch holder having the top surface shaped to a contour of the interior tire surface, directing the patch holder to obliquely contact the interior surface of the tire, and, pressing the patch into substantial adhesive contact with the interior tire surface.

Abstract: An external puncture sealing patch for a vehicle tire is provided. The patch comprises a thin spiked pad made of flexible base and a number of sharp pins partially implanted in the base in a radial arrangement around a central void protruding vertically downward from the bottom surface of the base for penetratively engaging a depth of the tire about its puncture upon depression onto the top surface of the base. A thick coat of an elastomeric sealant is added to the spiked side of the patch for sealingly adhering the spiked pad to the tire as the sealant fills any irregular clearances between the spiked pad and tire to reinforce the attachment thereof. In order to keep the patch effective for an extended period of time, the patch is also provided in a contained form whereby the patch in a dual-purpose container can be quickly deployed at the time of need for application to a tire puncture in a safe and comfortable manner.

Abstract: Methods and a tire patch for repairing a damaged tire portion are provided. In one embodiment, such method includes the steps of: buffing an interior surface of the tire about a perimeter of the damaged tire portion to form a patch receiving surface, the interior surface being buffed to a depth sufficient to place a tire patch reinforcement of a tire patch a distance of approximately 3 millimeters or less from a damaged tire reinforcement; covering the damaged portion by applying a pre-assembled patch to the patch receiving surface along the interior surface of the tire, the tire patch sized to cover the damaged area, such patch including a reinforcement layer interposed between an air-impermeable layer and an adhesive layer, the adhesive layer being at least partially uncured for facilitating attachment of the repair patch to the tire; and, curing the patch to the tire.

Abstract: Methods and apparatus for repairing a damaged area of tire include a tire patch, a patch body having a length extending longitudinally, a width extending laterally, and a thickness vertically within the patch; and, a plurality of reinforcements extending in a lengthwise direction of the patch, the plurality of reinforcements being arranged in a spaced-apart, side-by-side arrangement, where at least a portion of the plurality of reinforcements are arranged to laterally alternate between two or more elevations respective of the patch thickness. Methods of applying the patch include attaching the tire patch to a portion of the tire to cover the damaged area of the tire, wherein the arrangement reinforcements alternating along the path is positioned in close relation to the damaged area of the tire.

Abstract: A tire patch for repairing an associated vehicle tire includes a patch body configured to overlay a portion of the associated vehicle tire, and a plurality of reinforcements received at least partially within the patch body, each reinforcement of the plurality having a first ending and a second ending, wherein the plurality of reinforcements are arranged to provide a staggered arrangement of the first endings.

Abstract: Methods of repairing tire portions have steps that include removing at least part of the damaged portion of the tire to form an aperture or opening through the tire; forming one or more grooves in the tire adjacent to and extending from the aperture; placing at least one repair reinforcement within each of the one or more grooves; placing a patch on the tire to cover the aperture and each repair reinforcement; and, applying material to fill the remainder of the opening.

Abstract: A repair patch for repairing radial tires that reduces the size of a bulge as typically appears in the sidewall of a repaired radial tire. The patch includes a ply package having a first reinforcement ply and a second reinforcement ply superimposed on the first reinforcement ply. The first reinforcement ply package comprises a tissue of first reinforcement cords that are arranged in a radial direction while the second reinforcement play comprises a tissue of second reinforcement cords that are arranged essentially in a 0 degrees direction. The patch of particular embodiments may further include a top cushion gum layer and a bottom cushion gum layer, wherein the ply package is interposed between the top and bottom cushion gum layers. Also included are methods for using the repair patch to repair radial tires.

Abstract: Methods and apparatus for applying a repair patch to a damaged portion of a tire, the steps of the method including removably positioning the patch in a repair position overlapping the damaged portion, pulling a tab to remove a protective sheet to uncover at least a portion of the bonding surface while the patch is in contact with the tire, and pressing the uncovered bonding surface into contact with the tire.

Abstract: Methods and articles utilizing a bonding material comprising ultra-accelerators and solvent-swollen diene rubber. Particular embodiments include a method for bonding surfaces of vulcanized diene rubber components. The method includes the steps of applying a bonding material having the solvent-swollen diene rubber and one or more ultra-accelerators to a surface of a first vulcanized rubber component and positioning a surface of a second vulcanized rubber component to oppose the surface of the first vulcanized rubber component with the bonding material between the opposing surfaces. The method further includes the step of bonding the opposing surfaces through the bonding material therebetween.

Abstract: An external puncture sealing patch for a vehicle tire is provided. The patch comprises a thin spiked pad made of flexible base and a number of sharp pins partially implanted in the base in a radial arrangement around a central void protruding vertically downward from the bottom surface of the base for penetratively engaging a depth of the tire about its puncture upon depression onto the top surface of the base. A thick coat of an elastomeric sealant is added to the spiked side of the patch for sealingly adhering the spiked pad to the tire as the sealant fills any irregular clearances between the spiked pad and tire to reinforce the attachment thereof. In order to keep the patch effective for an extended period of time, the patch is also provided in a contained form whereby the patch in a dual-purpose container can be quickly deployed at the time of need for application to a tire puncture in a safe and comfortable manner.

Abstract: The invention relates to (I) a method for repairing an inner face portion of a pneumatic tire 11, characterized in that a repairing site J in the inner face portion of the pneumatic tire 11 having an innerliner in its inner face portion is repaired by (IA) attaching a thin-film repair member 22 made from a resin having a high air impermeability to the repairing site J with an adhesive 24 or (IB) attaching a thin-film repair member 22 made from a thermoplastic resin having a high air impermeability through solvent welding as well as (II) a repair member 26 for an inner face portion of a pneumatic tire 11, characterized in that the repair member is constructed by bond-laminating a rubber layer 27 made of a vulcanized rubber with a resin layer 28 made from a resin having a high air impermeability and attached to a repairing site J in the inner face portion of the pneumatic tire 11 to repair the repairing site J.

Abstract: A device for fixing a module to the internal wall of a tire. This device includes a support secured to the tire and of a flexible strip, the support including means for fixing said strip, the ends of the strip having at least two independent means for attaching the module, and the strip having means for immobilizing the module.

Abstract: A new and useful patch (305) that may be used to mount a relatively rigid structure (300) onto the surface of a tire (315) is provided. Such rigid structure (300) may be, by way of example only, an electronics device, printed circuit board, piezoelectric component, or other devices that are relatively more rigid than the material from which the patch (305) or tire (315) is constructed. The present invention helps reduce and control stress concentrations that occur proximate to such structures as the tire experiences repeated deformation during its use.

Abstract: The invention relates to a patch for repairing tires, hoses and the like by vulcanization comprising at least one cover layer (1) made of a vulcanized rubber material, a joining layer (3) which is made of a rubber material and is laterally projected with respect to said cover layer (1) in an edge area (4), a protective film covering the top surface of the joining layer (3) and a thin flexible peel-off film (7) which loosely covers the surface of the cover layer (1) and adheres to the projected edge (4) of the joining layer (3), wherein said peel-off film (7) which covers the cover layer (1) and the projected edge (4) of the joining layer (3) is provided with a gripping element (8) for the removal thereof.

Abstract: A patch and method for mounting an electronic monitoring device to the innerliner of a pneumatic tire is provided wherein the monitoring device is potted directly to an attachment patch. A frame is built on an attachment patch and the electronic monitoring device is disposed inside the frame. An encapsulation material is poured into the frame and cured to encapsulate the monitoring device directly against the patch. The patch may then be connected to the innerliner of a pneumatic tire.

Abstract: Method and apparatus for mounting a transponder module (602, 602a, 702, 951, 1000, 1020, 1102, 1102′, 1402) and an antenna (740, 740′, 862, 940, 1140, 1140′, 1200, 1300, 1320, 1360, 1360′, 1440, 1460) in a pneumatic tire (312, 630, 1204, 1350, 1350′), and for coupling or connecting the antenna to the transponder module. A patch (600, 700, 700′, 850, 950, 980, 1100, 1100′, 1210, 1356, 1356′, 1400) has an opening (620, 720, 720′, 856, 956, 986, 1120, 1120′, 1420) extending to a cavity (622, 722, 860, 960, 990, 1122, 1122′, 1422) within the body of the patch. The transponder module is removably retained in the cavity by a resilient annular lip (624, 724, 724′, 858, 958, 988, 1124, 1124′, 1424) extending around the opening.

Abstract: Tire patches are described for off-the-road (OTR) tires. At least the base cushion gum layer and the top cushion gum layer include a bis-imide in an effective amount to reduce reversion of the gum rubber composition during repair and during use. The bis-imides are significantly more effective in this application than other reversion inhibitors.

Abstract: A method for the production of patch-rubbers intended to repair radial-ply and bias-ply tires. The patch-rubbers, although having the same strength as those known, are more flexible and do not affect the original mechanical features and performances of the regions of the tires repaired therewith, and are also suitable to perform retreading operations on tires by both high pressure molding machines and autoclaves. The method consists in superposing the plies (1a, 1b), embedding a fabric made by fiber cords, in such a way that their medium axes diverge from the longitudinal or symmetry axes A of the patch-rubbers, and in superposing on the plies, a further ply (2) of smaller area having rectilinear metallic cords forming a different angle with the above mentioned axes A.

Abstract: A patch is provided for repairing articles such as bicycle tire inner tubes. The patch includes a backing; and a pressure sensitive adhesive layer having an average thickness of greater than about 0.076 mm disposed on the backing. The patch has a maximum thickness of no greater than about 0.64 mm, a T-Peel strength from an organic polymeric substrate of greater than about 0.18 kN/m after 1 hour dwell time at 22.degree. C., and a static shear strength of at least about 50 minutes from stainless steel at 70.degree. C. with a 7.6 kPa load.

Abstract: A trapezoidally-shaped rubber patch for patching the sidewall of a radial-ply tire with broken or damaged cords. The rubber patch has a first layer of rubber containing radial metallic cords and at least one second layer of rubberized fabric with synthetic cords under the first layer. Beneath the second layer is at least one third layer of rubber. The patch has a knurled attachment surface for attaching it to a coresponding knurled tire attachment surface. The rubber patch also has a trapezoidally-shaped rubber plug extending outwardly from the attachment surface. The rubber plug fits into a window which is cut in the sidewall of the tire in the area of the broken or damaged cords. The first layer of rubber is raised with respect to the attachment surface. The first layer of rubber is as wide as the base of the plug in the area beneath it.

Abstract: A tire repair method includes assembling a harness having straps, a first (or outside) air bag and a first (or outside) heating pad, placing a tire having an area in need of repair so that the repair site is over the heating pad and the tires axis of rotation is parallel to the harness straps, then inserting a second (or inside) heating pad and a second (or inside) air bag on the inside of the tire, and finally putting in place a pair of complementary mandrel halves of the same size. These mandrel halves when in place overlie the repair area of the tire and the other items of equipment. Each mandrel half includes a top surface (which is placed in proximity with a tire bead), a convex outside surface which generally has the same contour as that of the inside of the tire sidewall, a flat inside surface, a bottom surface which is preferably convex, and two ends.

Abstract: A repaired elastomer article having a cut or crack entirely therethrough. A treating agent is located about the cut portion on the inner surface of the article and an amine curable polymer or prepolymer layer resides over said treating agent. A cured elastomeric patch resides over said curable polymer. Since the amine curable polymer cures at ambient temperatures, the repair of the elastomer article can occur on site. The invention is especially useful in the repair of tires.

Abstract: A repaired elastomer article having a cut or crack entirely therethrough. A treating agent is located about the cut portion on the inner surface of the article and an amine curable polymer or prepolymer layer resides over said treating agent. A cured elastomeric patch resides over said curable polymer. Since the amine curable polymer cures at ambient temperatures, the repair of the elastomer article can occur on site. The invention is especially useful in the repair of tires.

Abstract: An elastomer article capable of being pressurized has a hollow extending therethrough. An elastomer free grid, generally in the form of a woven fabric, is located on the interior of the article in the vicinity of the hollow and prevents the same from being removed therefrom. An elastomer patch is utilized therewith.

Abstract: A repaired elastomer article having a cut or crack entirely therethrough. An interior cavity is located in the vicinity of the cut or crack and has a filler therein. A treating agent is located about the cut portion on the inner surface of the article and an amine curable polymer or prepolymer resides over said treating agent. A cured elastomeric patch resides over said amine curable polymer or prepolymer. Since the amine curable polymer or prepolymer cures at ambient temperatures, the repair of the elastomer article can occur in situ. The invention is especially useful in the repair of tires.

Abstract: An improved tire patch is disclosed herein for use either singularly or jointly with a tire repair plug for sealing a puncture of a vehicle tire. The improved repair patch includes a thick seal portion made of a soft resilient air impervious closed cell elastomer fully encased in a thin outer covering of the same material. The seal portion has parallel upper and lower faces and an aperture in the center portion thereof. A thin cover portion is bonded to the upper face of the thick portion and subtends the aperture thereof. The repair patch, when adhesively applied to the inner surface of a punctured tire with the aperture thereof positioned directly opposite the puncture, improves the durability of the repair, allows the joint use of a tire repair plug and avoids exposure of the repair patch to damage from the ends of broken steel reinforcing wires of steel belted radial ply tires.

Abstract: Material for repairing punctures in tubeless tires from the outside is provided employing a multiplicity of substantially contiguous, lightly twisted fibrous cords which are heavily coated and at least partially impregnated with a highly plasticized and essentially weak, vulcanized elastomeric adhesive, the cords lying abreast and between a pair of release sheets, whereby the cords are encased in adhesive and can be peeled off the release sheets and separated as needed to repair various sized punctures.