It is too early to confirm which system, if any, will be greatly acknowledged by car or truck suppliers and consumers Down the road.
A single problem that right away comes to thoughts with these items (Aside from “Do they actually function?”) is one of weight. Definitely, because they Mix both equally a tube and
So when we appreciate the liberty our motor vehicles supply, it's remarkable how promptly that freedom vanishes whenever a flat tire strands us.
This disclosure relates to a self-sealing pneumatic tire with puncture sealing properties and a method of manufacturing this type of tire. The puncture sealant Homes on the self-sealing tire are provided by a layer comprised of the blend of a crosslinked polymeric material and an irradiation degraded polymeric product. The method of this disclosure comprises furnishing a layer of rubber compound that has a blend of polymeric resources, one of which degrades on publicity to irradiation and another which crosslinks both on exposure to irradiation, by chemical reaction at vulcanization temperature, or both of those, assembling the layer into an unvulcanized tire in situ While using the polymeric resources unaltered, vulcanizing the tire devoid of altering the degradable polymeric material and irradiating the tire whereby the degradable polymeric material is degraded into a very low viscosity to sort a tacky product as well as the crosslinkable polymeric product is crosslinked to kind an elastic matrix for the degraded polymeric substance, whereby the layer has puncture sealing properties.
That’s actually not A lot of a difference, Even though It could be superior to know just how strong the Lite tubes are. At another stop of the scale, the Tremendous Thick tube is five periods thicker compared to the frequent Wise Tube - no exact thickness is specified, but one would think they’re no featherweights.
Tire sealant and tire with sealant containing silica and balanced organoperoxide depolymerized butyl rubber
The origins with the commercial self-supporting operate-flat tire began in 1935 with a tire that experienced a material interior tire. The tire was advertised as being a protection from blow outs, a typical and harmful occurrence from the 1930s.[one]
six. A self-sealing pneumatic tire comprising an annular street-partaking tread surface area, two sidewalls Each individual connecting a side of stated tread surface to an annular bead, reinforcing body plies extending from just one bead to another get more info throughout the sidewalls and tread and also a puncture-sealant layer situated in the crown place of claimed tire radially inward of mentioned reinforcing human body plies, said puncture-sealant layer comprising a combination of a first polymeric content that degrades on exposure to irradiation and a second polymeric substance that crosslinks on exposure to irradiation, vulcanization temperatures or both equally to type an elastic matrix for reported very first polymeric materials, said tire manufactured via the actions comprising offering a layer comprised of blended rubber compound with reported mixture of said to start with and second polymeric resources, assembling stated layer into an unvulcanized tire as its innermost layer inside the crown space, vulcanizing stated tire, and subsequenty irradiating stated tire to degrade reported 1st polymeric content whereby claimed first polymeric material types a tacky materials in claimed next crosslinked polymeric material which functions being an elastic matrix for explained very first polymeric substance, whereby said layer with stated polymeric product blend has puncture sealing Qualities.
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Comprehensive DESCRIPTION From the INVENTION FIG. one is a cross-sectional look at on the self-sealing pneumatic tire of the invention manufactured by the tactic of this invention.
As the article is withdrawn or performs its way out, the puncture sealant content is pulled through the gap by the article therefore plugging the hole and retaining the seal. The pull via or Restoration ability in this creation is provided by the elasticity with the crosslinked polymeric content inside the layer plus the tacky character of your low molecular body weight, degraded polymeric content which will cause the fabric to stick with the object through withdrawal. It's important which the puncture sealant content has sufficient integrity to face up to the pull through and that the fabric not excessively adhere to the item and crack off all through pull by means of. This integrity is furnished by the crosslinked polymeric content.
The tire as revealed in assert one is manufactured by the method established out intimately in the "Summary of your Invention" percentage of this specification.
Auxiliary supported systems Mix one of a kind wheels and tires used for Unique Products motor vehicle applications. In these systems, the flat tire's tread rests with a help ring hooked up towards the wheel once the tire loses pressure. The gain to this kind of system is that it'll place the majority of the mechanical undertaking of delivering operate-flat capacity on the wheel (which typically isn't going to put on out or must get replaced), and minimizes the accountability in the tire (which does periodically wear out and requires alternative).
So objects like nails, screws, sticks, small metal things and likewise thorns will certainly not leave a gap that will induce the tire to shed air pressure.