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3983193 Method of retreading pneumatic tires  
A method for retreading tires using a resilient mold or matrix ring which is normally smaller than a tire body. On its inner side, this ring has an embossing pattern which applies a tread design to...
3976532 Tread applying machine  
The disclosure is directed to a machine for applying an endless precured tire tread to a prepared tire casing. A tread assembly is mounted for movement along guide rods supported by a base. The...
3970493 Belt replacement method for tube tires  
Replaceable tread or track belts on tube tire carcasses can be changed in the field and elsewhere by venting the pressure within the tube tire carcass, subsequently creating a partial vacuum within...
3969179 Curing apparatus for retreading system  
Curing apparatus is provided which may be used for vulcanizing a pre-cured tread onto a suitably prepared tire casing; the pre-cured tread being initially adhesively attached to the tire casing....
3966535 Envelope sealing apparatus for cold process tire retreading  
Apparatus is provided for sealing an envelope around a tire casing during a cold process retreading operation, and which comprises a pair of annular pressure members which are mounted on the casing...
3964949 Method of treading tires  
A method of treading or re-treading tires involves compression of the wearing surface of the tread. A tread strip, which may be an annular band, is compressed in a direction parallel to its...
3951719 Vehicle tire construction and method of making same  
A vehicle tire construction and method for retreaded (or new) tires involving the use of a single patch or more patches of cord of large mesh extending laterally of the tire casing between the...
3946784 Tire with wide laterally offset tread  
In the case of a retreading operation a conventional symmetrical tire casing is prepared for retreading by buffing the outer peripheral or crown portion of the casing and the outer peripheral...
3945871 Method of making a tread for the recapping of tires  
A tread for the recapping of tires is provided with a roughened internal surface simultaneously with the shaping of profile on its external surface in a vulcanizing form. The internal surface can...
3935045 Method of retreading a tire  
A "full cap" method of retreading a tire with a previously molded and vulcanized tread in combination with unvulcanized rubber material which is placed adjacent the precured tread in the shoulder...
3933551 Stabilization of tread strip during bonding to tire  
In bonding a prevulcanized tread strip to a tire casing with a low-temperature-vulcanizable bonding medium temporary support elements in the form of elastic rings are inserted in the...
3926711 Portable rotating kettle used in retreading tires  
A large rotatable kettle used in retreading or repairing big tires used on large earthmoving equipment. The tire is mounted within the kettle for unitary rotation with the kettle such that each...
3925128 PROCESS FOR RETREADING A VEHICLE TYRE  
A method for retreading a vehicle tyre whereby a closed tread band is disposed around and spaced from a tyre and there the space between the tread band and the tyre is evacuated. The tread band is...
3925129 Tire retreading system  
In a tire retreading system the circumference of a tire body is buffed to a predetermined radius after which a strip of uncured cushion gum rubber and a premolded, precured tread strip are mounted...
3923586 Evacuable membrane apparatus for tire recapping  
Evacuable membrane apparatus permits vulcanizing pre-formed tread strips to tire casings in a pressure chamber without danger of leakage of its pressurized air between the evacuated membranes. The...
3922415 Process of tire recapping and cushion therefor  
Method and apparatus for retreading tires with electrical resistance wires for heating the rubber to vulcanize same including the attachment of wires between thin base strips with a rubber cushion...
3920498 Method and apparatus for retreading pneumatic tires  
A method and apparatus for retreading pneumatic tire casings with a prevulcanized rubber tread strip using a heat curable adhesive. The tire is mounted on a tire rim, a layer of the adhesive...
3919020 Method of retreading a tire  
A method of retreading a tire by placing unvulcanized rubbery material on the outer buffed periphery of the tire, and then covering the material with an elastic, fluid impervious membrane during...
3917440 Tire curing chamber  
A tire curing chamber including a tank adapted to receive a multiplicity of tires in stacked relation in substantial axial alignment, opposed plates engageable with opposite ends of the stack,...
3904459 Method of retreading tires  
A tread strip is positioned in proximity to the outer periphery of a tire carcass. A bonding substance is provided intermediate the carcass and the strip and has adhesive characteristics sufficient...
3897813 Recapped radial carcass tire  
Recapped radial carcass tires for heavy road vehicles having greater radial flexibility are achieved by means of a recap tread having a smaller tread width and/or having modified widths and/or...
3895985 Method of repairing tires and shells used for this method  
A method of repairing tires in which an assembly is formed comprising a tread strip applied to the worn surface of a tire carcass with a layer of binder material sandwiched between the tread and...
3894897 Tire recapping process and apparatus  
Method and apparatus for retreading tires with electrical resistance wires for heating the rubber to vulcanize same including the attachment of wires between thin metal base strips within a rubber...
3886028 Apparatus for recapping tires with precured tread rubber  
Apparatus for recapping a tire with precured tread rubber comprises a multi-part rigid shell that surrounds the tire to be recapped and forms a toroidal chamber around it. A cylindrical tire...
3884739 Apparatus for simultaneously recapping a plurality of tires with precured tread rubber  
The apparatus comprises a housing that accommodates a stack or row of two or more axially aligned tires to be recapped and forms a toroidal chamber around them. Each of the tires are initially...
3883382 Method and apparatuses for retreading worn tires  
Method and Apparatus for retreading a pneumatic tire wherein the periphery is buffed, and then a fully prevulcanized replacement tread band is disposed around the buffed surface of said tire with a...
3878023 Electrical bonding system for tire recapping  
A pressure chamber is provided with a locking closure and electrically conducting tire support means for mounting tires to be recapped and connectors for the connection of electrical heating wires...
3874974 APPLICATION OF TREAD STRIP TO TIRE CASING  
A precured or uncured rubber tread strip is applied to a tire casing mounted for rotation about its axis by pressing the leading edge of a continuous tread strip against the tire periphery with a...
3871941 APPARATUS USED IN BONDING A PRECURED TREAD ON A TIRE CASING  
A mold-type apparatus used in retreading a tire casing with a precured tread. The apparatus is composed of two halves or sections which carry rubber curing bags. The bags are inflated with steam...
3868284 Tire retreading apparatus and method  
An apparatus and method for recapping of worn tires with a precured tread is disclosed wherein the sidewalls of the tire carcass remain relatively cool during the bonding of a precured tread to the...
3856601 METHOD OF RETREADING VEHICLE TIRES  
Retreading of vehicle tires is accomplished by forming an assembly consisting essentially of a tire carcass having a circumferential face, profiled tread means of elastomeric material superimposed...
3855030 METHOD AND APPARATUS FOR APPLYING A TREAD STRIP TO A CARCASS  
A method for applying a tread strip having a repeating thread pattern to a carcass in which the tread strip to be applied to the carcass is cut from an elongated strip in such a manner that the...
3853666 METHOD AND APPARATUS FOR RETREADING TIRES  
The invention is a method and apparatus for bonding and shaping retread stock to a tire casing. A pair of circumferentially mating mold elements engage the tread area of a tire to be retreaded. The...
3847695 RIMLESS RECAPPING APPARATUS UTILIZING BALANCED AIR PRESSURES  
Tire recapping apparatus utilizes a hoop, larger in diameter than the casings to be recapped, over which the bent-up edge of a lower elastic membrane is everted, and the bent-down edge of a similar...
3847631 APPARATUS FOR AND METHOD OF RETREADING TIRES  
This disclosure relates to an apparatus for and a method of retreading or recapping tires by inserting a tire into a generally annular chamber of a matrix, positioning an annular back-up member in...
3847705 APPARATUS FOR CONVEYING A TIRE TREAD  
Apparatus for conveying a tire tread and for changing the length of the tire tread. One end portion of the tread is fixedly positioned lengthwise along the conveyor and spaced members lift the...
3841376 PNEUMATIC TIRE AND METHOD OF RETREADING  
A method of retreading a bias belted pneumatic tire which includes preparing the tire to receive a new tread, applying a layer of vulcanizable elastomeric material to the tire, wrapping a layer of...
3840415 METHOD OF MANUFACTURING TIRES  
A method for manufacturing tires and particularly tire treads wherein particles of an abrasive material consisting essentially of aluminum oxide particles of a predetermined size are heated at a...
3839123 ELASTOMERIC HEAT AND PRESSURE ANNULUS  
An elastomeric annulus is specially constructed for use in retreading pneumatic tires where a pre-cured or pre-vulcanized tread section is applied to a buffed or otherwise properly prepared tire...
3830275 TREADS, PNEUMATIC TIRES AND A PROCESS FOR IMPROVING TIRE PERFORMANCE  
City bus tires having a cap-base construction, and their use first on the front axle of a city bus and subsequently on the rear axle of the bus.
3815651 REPLACEMENT TREAD AND METHOD  
The invention is a replacement tread for installation on a tire casing and the method of installing the tread. The replacement tread includes an endless, pre-molded central tread portion having a...
3808076 METHODS AND APPARATUS FOR APPLYING TREAD TO TYRES OR WHEELS  
The specification discloses a method of applying tread material to tyres or wheels in which the tread material is extruded under pressure directly onto the periphery of the tyre or wheel to bond...
3802978 METHOD AND APPARATUS FOR TIRE TREAD BONDING  
Methods and apparatus heretofore used in bonding previously cured tread material to a previously cured tire carcass are improved in a particular manner which facilitates the accommodation of...
3793116 RECAPPING OF TIRES  
An envelope which is applied around a tire to surround at least that portion of the tire which requires recapping or other repair. The envelope comprises an elastic wrapper which has a marginal...
3779833 APPARATUS FOR RETREADING TIRES  
The specification discloses an apparatus for retreading a tire casing with a precured and premolded tire tread. The apparatus includes a flexible envelope which surrounds the tire and precured...
3769121 RETREADING OF TIRES  
The invention provides for a method of and means for the retreading of tires. In accordance with the invention a tire is retreaded by enclosing it in a flexible envelope, sealing the envelope,...
3753821 METHOD OF RETREADING PNEUMATIC TIRES WITHOUT A MOLD  
Method of retreading pneumatic tires by the application to a previously used pneumatic tire carcass of a cured rubber tread band wherein proper adhesion of tread band to the previously used tire...
3738893 AN APPARATUS FOR POSITIONING A TREAD BAND ON A VEHICLE TIRE  
An apparatus for positioning a closed thread band on a vehicle tire whereby the closed tread band is disposed around and spaced from a tire and there the space between the tread band and the tire...
3607497 TIRE-TREADING METHOD  
A method of applying a cord-reinforced tread to a tire carcass in which; a ribbon of uncured rubber stock is formed, cord reinforcing is applied longitudinally to the ribbon, and the ribbon and...
3563295 VEHICLE TIRE CONSTRUCTION AND METHOD OF MAKING SAME  
A method of providing a direct and very short venting path for the cord plies normally built into the carcass of a pneumatic vehicle tire, comprising applying a net of cord onto the inner surface...
Matches 201 - 250 out of 318 < 1 2 3 4 5 6 7 >