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7614865 |
Method and apparatus for filling a tire and wheel assembly with a closed cell polyurethane foam
An apparatus and method for filling a tire and wheel assembly cavity, that can be a large tire and wheel, with a flexible closed cell polyurethane foam that is passed as a mixture of reacting...
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7387143 |
Tire filled with recycled and curable elastomeric material and method
A first tire having a cavity filled with cured and foamed elastomeric material and a recycled foamed elastomeric material. The recycled foamed elastomeric material was removed from a second tire...
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7234495 |
Underground mine tire
An underground mine tire 20 having a nominal bead diameter of 20.0 inches or less has a carcass, a tread 25 and a pair of rubber sidewalls 23 , each extending along the outer periphery of the...
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7231948 |
Non-pneumatic tire
A non-pneumatic tire comprising a toroidal-shaped tube having inner and outer circumferential surfaces and opposite side surfaces collectively forming a hollow chamber therebetween, the tube having...
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7143797 |
Airless tire
This invention pertains to a tire which supports load by means of compressing the tire's elastomeric structure and requires no internal inflation pressure. The preferred embodiments utilize...
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6988524 |
Apparatus for making tires filled with flatproofing material
A tire, and an apparatus and method for forming a tire. The tire may either be a tubed or tubeless tire, and is filled with a mixture of virgin rubber and small rubber pieces. Preferably, a machine...
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6988521 |
Non-inflatable tire and manufacture method thereof
A non-inflatable tire comprises a rim, an inner tire layer made of foamed material, and an outer tire layer formed by rotational molding or injection molding to encircle the rim and having at least...
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6918979 |
Method for making tires filled with flatproofing material
A tire, and an apparatus and method for forming a tire. The tire may either be a tubed or tubeless tire, and is filled with a mixture of virgin rubber and small rubber pieces. Preferably, a machine...
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6736176 |
Tires
A tire capable of stably running even if the tire is subjected to external injury without sacrificing rolling resistance and ride comfort in the usual running before being subjected to external...
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6629550 |
Method for producing a deflation-proof pneumatic tire and tire filling composition having high resilience
The present invention is directed to a method for producing a cured tire filling composition and the composition resulting from such a method. A mixture of a polyisocyanate having an average...
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6623580 |
Method of curing foam inflated tires and an improved rim
A method for expanding and curing formable elastomeric material 2 , which is placed in the cavity 14 of a previously molded tire 10, is disclosed. The tire 10 when filled with foamable...
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6450222 |
Non-pneumatic tire having an elastomeric hoop
A non-pneumatic tire having an elastomeric portion encompassing the tread and a radially inward foam portion. In the elastomeric portion, certain physical characteristics of the elastomeric portion...
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6431235 |
Non-pneumatic tire and rim combination
A non-pneumatic tire and rim whereto the tire is fitted as a wheel assembly that will display ride characteristics that are similar to those of a conventional pneumatic tire. The non-pneumatic tire...
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6209601 |
Wheel for a vehicle including enclosed hollow foam member
The invention relates to a novel wheel which serves for equipping with a pneumatic tire and essentially realizes two apparently incompatible properties of solid rubber tires and pneumatic tires,...
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H001870 |
Tire wheel
A tire wheel, is described, which comprises a tire shell having bead parts, a rim on which the tire shell is supported with the bead parts being pressed against the rim, and a filling material with...
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5922151 |
Polyurethane skate wheel with shaped foam core
An in-line skate wheel having a shaped foam core which cooperates with load bearing side walls to dictate degrees of flexure of such walls in response to loading thereof from different directions....
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5840274 |
Deflation resistant tire and insert apparatus
In a tire inflation insert of the present invention, a tire casing contains a ring having a plurality of air filled spaces or pockets. The tire inflation insert comprises a roll of a flexible...
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5704091 |
Wheel for a vacuum cleaner nozzle or for a vacuum cleaner
A wheel for a vacuum cleaner nozzle or for a vacuum cleaner having a central part (10a, 10b) of comparatively hard material to which a tread is secured. The tread (14) is formed from a soft...
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5685926 |
Lightweight, safe and damage resistant tire having honeycomb core
A lightweight, filler core tire construction for automotive and other vehicles, having a flexible composite outer layer structure and an inner flexible honeycomb core with a radial relief and said...
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5685925 |
Filling for a puncture-proof pneumatic tire
A filling for a puncture-proof pneumatic tire is formed by two half-toruses of elastomer or of rubber which are juxtaposed along an equatorial plane inside a tire cover and which are formed with a...
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5639319 |
Wheel with molasses ballast and method
A wheel (10) having a tire (12 ) is provided with a liquid molasses as a ballast (100). The tire can be tubeless or can contain a tube (28). The molasses is preferably desugared (less than 30% by...
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5494090 |
Lightweight pressure-airless tire construction
A lightweight, filler core tire construction for automobiles and other vehicles, having a flexible composite outer layer structure and a flexible honeycomb core bonded to said outer layer,...
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5435367 |
Vehicle tire assembly
A vehicle tire which comprises: a one piece tubular unit adapted to fit snugly over a vehicle wheel wherein said unit consists of a thick tire tread having a road-engaging surface and being formed...
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5402839 |
Tire with polyurethane/urea composition filling
An economical composition capable of maintaining satisfactory Durometer hardness is formed by reacting a polyol, a polyisocyanate, and an aromatic polyamine in the presence of an extender oil. The...
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5361817 |
Heat-dissipating means of nest tire structure for a run-flat tire
A heat-dissipating valve is formed on a steel rim of a car tire which includes an inner tire secured in an outer tire, whereby upon puncture of the outer tire, the inner tire, when compressed...
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5265658 |
Puncture-proof tire having a core of elastomeric material
A pressure chamber or core for an unpuncturable pneumatic tire is constituted by a toroidal cushion of elastomer material including mutually independent gastight cells containing a gas under...
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5090464 |
Maintenance-free vehicle and cart tire
A maintenance-free, non-pneumatic rubber tire for wheels of slow-moving vehicles such as wheelchairs, push-chairs and carts has a base (14) a rim (15), side walls (13) and a tread (11) of generally...
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5073444 |
Molded polypropylene foam tire cores
A molded polypropylene foam tire core suitable for all types of wheels. The core may be inserted, in one or more sections, into a pneumatic-type tire casing and mounted on a wheel rim to provide...
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5070138 |
Polyurethane elastomer tire fill compositions and method of making same
A method for making a polyurethane elastomer tire fill composition wherein a mixture of a) a low functionality (2.0-2.3) 4,4'-diphenylmethane diisocyanate, such as a carboiimide-modified (2.0...
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4909972 |
Method and apparatus for making a solid foamed tire core
A method of making a solid core locatable between a wheel rim and a tire fitted to the rim, includes introducing a foamable composition into a mould cavity having a substantially inflexible mould...
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4683929 |
Deflation-proof pneumatic tire with elastomeric fillings
A deflation-proof penumatic tire comprises a casing and a substantially void-free, preferably oil-containing elastomeric filling material. The tire casing is injected with a combination comprising...
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4530386 |
Cushion tire
A rubber material which is a cured rubber having a hardness of from 30° as measured with an A-type rubber hardness tester to 15° as measured with an F-type rubber hardness tester and an impact...
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4493355 |
Vehicle tire
Puncture-proof vehicle tires consisting essentially of one material and comprising a tread thicker than the side walls, an encircling empty space between the tread and the base of the tire and an...
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4434864 |
Roof bolter vehicle and wheels therefor
A roof-bolting machine of Lee-Norse Model No. TDI-43 type is equipped with wheels having rims constructed to receive significantly wider than normal, tubeless tires forced into unusually tight...
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4429068 |
Rubber material
A rubber material which is a cured rubber having a hardness of from 30° as measured with an A-type rubber hardness tester to 15° as measured with an F-type rubber hardness tester and an impact...
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4399851 |
Wheel tire with noise absorbing means
The running characteristics of a tire for a wheel are improved to provide a more quiet run, by attaching to an inner and/or outer surface of the tire vibration absorbing elements. Vibration...
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4392522 |
Tire with open cell foam insert for reducing noise
The noise caused by vehicle tires rolling on a road surface is reduced by enclosing in the space confined by the tire and the wheel rim a noise or sound absorbing or insulating material which may...
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4378749 |
Rotatable tire for barge bumper
A rotatable energy-absorbing sleeve unit for ship bumpers including a rim-free vehicle rubber-containing tire carcass filled with elastomeric foam. The elastomeric foam may be either polyurethane...
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RE30436 |
Rim construction and tool apparatus for safe tire inflation
In a multi-piece rim arrangement having a tapered base member and an associated tire bead seat band, the bead seat band is constructed to prevent tire inflation if the rim is improperly assembled....
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4230168 |
Polyurethane tire filling material with plasticizer incorporated therein
Tire filling material having high resilience produced by curing a mixture of (a) a polyoxypropylene polyol having an OH equivalent molecular weight of 900-1,800 and a functionality of 2-4, ...
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4197893 |
Reuseable puncture shield for tire casings
A puncture resistant pneumatic tire including a casing and an inner tube where the side walls of the casing flex under load a known amount, the method of designing a puncture shield which does not...
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4169494 |
Self-supporting motor-vehicle tire
A self-supporting motor-vehicle tire has an outer ring supporting the tread, an inner ring adapted to be fitted to a rim or to be placed upon a hub, and supporting elements uniting the said rings....
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4149579 |
Pneumatic vehicle tire with a device for remedying a tire failure
A pneumatic tire, after manufacture, is provided with a propellant material and a foam forming sealant material in its interior pressurizable space. The propellant and sealant are isolated from...
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4125691 |
Zero pressure device such as tires or run-flat rings
A zero pressure device is composed of either a microcellular or homogeneous polyurethane made by reacting an organic polyisocyanate with at least three polyols, a monomeric polyol of 2 to 3...
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4103726 |
Method of making a tire and said tire
A tire having a reticulated or foraminous plastic reinforcing member within an elastomeric body. This tire can be made by reticulating polyester or nylon type plastic to give a foraminous member...
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4094353 |
Tires having a solid polyurethane core
A process for puncture-proofing a pneumatic tire mounted on a wheel rim comprises filling the tire with a liquid reactant mixture of (a) at least one liquid polyoxypropylene polyether polyol and...
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4058152 |
Automobile safety tires
Tubeless automobile tires filled with foam, the foam used being closed-cell foamed particles of a partially crystalline olefin polymer of olefins of from 2 to 6 carbon atoms.
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4037636 |
Safety pneumatic tire
Tires are improved against puncture damage by at least partially filling the inside of the tire with hollow spheres which contain a gas and whose thin shell consists of synthetic material, these...
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4033395 |
Continuous plastic tire body and tire
A tire suitable for all types of wheels, including vehicles and wheels, such as in automobiles, motorcycles or bicycles, in which the tire body is an extruded or molded plastic material formed in...
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4013111 |
Pneumatic tire with reduced rate of inflation loss upon being punctured
A pneumatic tire having a casing which defines in part an internal annular inflation chamber is provided with a small amount of low density, discrete, cellular, resilient, polymeric fibers within...
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