About 20 results
https://drivepatents.com/patents/1012240 · 8 Jun 2011
A tire sealant precursor composition is disclosed comprising a butyl rubber and a combination of organoperoxides comprising 4,4-di-(tertiary butylperoxy) valerate and dicumyl peroxide. The ratio of dicumyl peroxide to 4,4-di-(tertiary butylperoxy) valerate...
https://drivepatents.com/patents/1072598 · 16 Nov 2005
A pneumatic tire of which self-seal function can be improved while the increase in weight of the tire is minimized. The pneumatic tire having an adhesive sealant layer in the region corresponding to at least a tread portion on the inner side of the tire, t...
https://drivepatents.com/patents/1073730 · 28 Sep 2005
This invention relates to a pneumatic tire having a built-in non-black colored sealant layer and its preparation. The sealant layer is derived from a sealant precursor layer comprised of a butyl rubber, organoperoxide, particulate, synthetic amorphous sili...
https://drivepatents.com/patents/1082724 · 3 Nov 2004
A process for producing a cement for adjusting a rubber product comprising 100 parts by weight of a rubber component and 10 to 500 parts by weight of an inorganic filler. In the first mixing step, the rubber component and components for compounding are mix...
https://drivepatents.com/patents/1084008 · 15 Sep 2004
This invention relates to a pneumatic tire having a built-in sealant layer and its preparation. The sealant layer precursor is a layer of a butyl rubber based composition which contains an organoperoxide. The butyl rubber of said precursor is a copolymer o...
https://drivepatents.com/patents/1085850 · 7 Jul 2004
Disclosed are a pneumatic tire, which exhibits excellent puncture-preventing function while avoiding inconvenience aroused when a sealant layer is formed based on decomposition reaction of polyisobutylene, a process for producing the same and a sealant rub...
https://drivepatents.com/patents/1086014 · 30 Jun 2004
A sealant rubber composition which forms a spongy tacky sealant layer having moderate viscosity properties; and a pneumatic tire having in the tire main body a tacky sealant layer obtained by heating the rubber composition. The rubber composition comprises...
https://drivepatents.com/patents/1086861 · 2 Jun 2004
A pneumatic tire having a puncture-preventive sealant layer that suppresses the generation of decomposition gas and is high in viscosity; and a method of producing the same. This pneumatic tire has a sealant layer disposed along the inner surface thereof, ...
https://drivepatents.com/patents/1089310 · 3 Mar 2004
A pneumatic tire having a puncture preventive layer formed by windingly sticking a tube having seal material wrapped therein to the tire inner surface circumferentially of the tire and continuously and spirally with its side surfaces closely contacted each...
https://drivepatents.com/patents/1106507 · 27 Feb 2002
In a sealant-containing tire, an outer liner is fastened to an inner surface of a tread of a tire body, and a sealant chamber that is filled with sealant is defined between a central part of an inner liner and an inner surface of an outer liner by fastenin...