Matches 151 - 200 out of 324 < 1 2 3 4 5 6 7 >


Match Document Document Title
4274897 Method and apparatus for vulcanizing tires  
In a method and apparatus for securing a pre-cured tread to a tire during vulcanization to retread the tire, a sealing grid having annular rings disposed thereon to contact the sides of an...
4269644 Cold recapping method for tires  
A cold recapping method using a rubber bonding composition on each of a group of tires and a precured tread strip wrapped around each tire has each tire mounted on a rim and enclosed in a flexible...
4269643 Retreading stacked tires using inflatable pressure member  
An improved method and apparatus is shown for simultaneously retreading all of the tires in a stack of rubber tires that have been placed in an autoclave or the like. Each of the tires is covered...
4258776 Retreaded tire, method and apparatus  
A retreaded belted tire and a method and apparatus for use in preparing same. The tire is prepared for retreading by removing a portion of the existing crown area rubber material so as to leave...
4240852 Method of bonding urethane formulations to rubber  
A method wherein uncured urethane formulations are bonded to a cured rubber or synthetic rubber substrate in such a manner so as to provide greater bonding strength than has been achieved...
4240851 Method for recapping solid tires with precured, premolded tread  
A method for recapping a solid tire with precured tread rubber is disclosed. The method comprises preparing a used solid tire for recapping, including buffing down the tire to remove the old tread...
4239075 Profiled tire tread  
A precured tire tread for use in retreading tires contoured to have a flat road-contacting tread surface when applied to the casing.
4234370 Method for recapping tires  
Apparatus and method for recapping tires, particularly of the type used on off-the-road vehicles. Rubber strips are applied to the prepared tread surface of the tire to "smooth" the tire, after...
4234371 Method and apparatus for applying a circumferential tread to a tire carcass  
An elongate elastomeric tread strip having a contoured tread face of at least two ribs and an intervening valley is applied to a peripheral tread supporting surface of a pneumatic tire carcass by...
4230649 Apparatus and method for continuous tread production  
An apparatus and processes for the production of a continuous rubber strip which is molded with surface designs, such as tire treads, in the uncured state and then cured, after removal from the...
4230511 Curing a replaceable tread for a big tire  
An endless tread assembly is fabricated on a ring having grooves and ridges which mold the radially inward surface of the tread assembly. The ring is a thin walled cylinder having a single slit or...
4218277 Tire retreading method including adding reinforcing belt  
A pneumatic tire having a radial carcass and at least two plies of steel cord belts as constituents of the reusable tire body has recap components that include an unvulcanized reinforcement belt...
4214941 Tire drum support  
A rim for temporary support of a tire carcass in an inflated condition, and for slow rotation, during application of tread rubber, consists of two airtight discs adjustably mounted on a power...
4203793 Pressure vessel system for retreading tires  
Tire casings are retreaded with precured tread strips in a heated pressure vessel provided with pressure connections which effect simultaneous inflation of the tires and pressurization of the...
4201610 Tire retreading method using pressure vessel  
Tire casings are retreaded with precured tread strips in a heated pressure vessel provided with pressure connections which effect simultaneous inflation of the tires and pressurization of the...
4178198 Method and apparatus for treading tires  
A method of applying a tread band to a tire carcass includes the steps of placing a pre-vulcanized tread band on the inner surface of a resiliently flexible tread band holder and deforming the...
4176702 Tire treads and their manufacture  
Tread stock is partially cured by irradiation before assembly in the tire, so as to shorten the curing time of the tire in the mold and thereby create substantial savings.Tires are retreaded by...
4175991 Tire retreading method  
A flexible envelope having a central portion overlying a replacement tread strip upon the tire to be retreaded has marginal edge portions overlying bands of cushion gum material upon opposite...
4174239 Method and apparatus for retreading tires  
Precured tread stock for retreading tires and a method of applying such a tread to a prepared tire carcass. The new tread stock has a circumferential groove at each side in which non-expansible...
4172747 Method of retreading or repairing tires  
A kettle having a chamber sealed from the ambient atmosphere and designed to receive a plurality of tires retreaded with precured treads. Steam and air are supplied to the chamber in such a way...
4157930 Method of retreading vehicle tires using microwave heating  
A process and a rubber-base bonding material in the form of a preformed strip for retreading vehicle tires using a prevulcanized tread and microwave heating for vulcanizing and binding the bonding...
4153497 Device for the recapping of tires  
A device for simultaneously supporting a tire which is to be recapped and for applying hermetically against the sidewalls of said tire a flexible sheathing which is connected to a source of vacuum...
4151027 Method for the renewal of a worn pneumatic or solid rubbery tire by applying a vulcanized tread and apparatus carrying out this method  
The invention relates to the retreading of rubber tires wherein a prevulcanized tread is applied to a tire carcass with an interposed vulcanizable bonding layer. The tread and at least the...
4149926 Method and apparatus for bonding treads to tires  
Disclosed herein is an apparatus for assembling and bonding a pre-cured tread strip to the carcass of a new tire or the casing of a tire to be retreaded wherein the tread is preheated and that...
4147642 Method and apparatus for the renewal of the tread of a worn pneumatic or solid rubber tire  
Renewal of the running surface of a worn pneumatic or solid rubber tire, in which a layer of bonding rubber is applied to the prepared body of the tire and to the interior of a prefabricated...
4137112 Method of retreading a pneumatic tire  
A method of retreading a pneumatic tire. The tire casing is buffed to a predetermined profile to remove the old tread. A cushion layer having an integral belt disposed therein is wrapped...
4129474 Retreading of tires  
The invention provides for the retreading of tires in which the tire casing is stressed by fluid pressure inside the casing so that the casing is in a stressed condition when a new tread is...
4128446 Method for embedding tire chains in the tread portion of a tire  
A tire having a layer of uncured rubber in its tread portion is fitted to a hub and an annular protective chain is placed over the uncured rubber. The tire is inflated and the protective chain is...
4123306 Method and system for retreading tires utilizing RF energy  
The specification discloses a method and system for retreading tires wherein an uncured gum layer disposed between a vehicle tire carcass and a pre-cured tire tread is vulcanized by RF energy. An...
4115171 Retreading stacked tires  
A plurality of solid tires are retreaded simultaneously in a stacked configuration in an autoclave or the like. Each tire periphery is provided with a U-shaped cover which engages and seals with...
4111732 Process of and molds for applying precured rubber tires and other objects  
The present disclosure is directed to a novel process of and molds for applying rubber, preferably precured rubber, to tires and other objects, wherein in a preferred form of the invention a...
4105482 Method of vulcanizing a prevulcanized tread  
A method for retreading a tire carcass having an arcuate crown with a transversely flat, prevulcanized profiled tread comprising applying the tread to the crown of the carcass with an intermediate...
4098936 Pre-cured tread for recapping tires and method for the use thereof  
A pre-cured tread stock for re-capping a vehicle tire and a method for retaining the tread tightly in place on the peripheral surface of the tire casing during the curing of the tread onto the...
4096008 Method of manufacture and retreading of tires  
An improved method of manufacturing or retreading pneumatic tires is disclosed wherein a precured tread component is bonded to a tire carcass or casing primarily by utilization of the residual...
4093481 Method for retreading and repairing vehicle tires  
A method for repairing or retreading a vehicle tire comprising the steps of filling a repair region with vulcanisable rubber, covering the repair region with a flexible cover attached around its...
4092203 Apparatus for use in tire retreading  
The apparatus is used for tire-retreading of the type wherein a flexible impervious covering encloses a replacement tread strip encircling the tire and is subjected to a pressure-differential so...
4092196 Retreading and rebuilding of radial tires  
A method of retreading a radial tire whose belts are damaged and require removal. A narrow, inextensible band is centrally disposed around the outer periphery of the tire after the worn tread and...
4090901 Recapping method  
This invention relates to a method of recapping tires. The tire to be recapped is placed within an envelope with the recap thereabout. A hose runs from inside the envelope to outside the tank in...
4088521 Method of retreading a tire with an endless premolded tread  
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...
4080230 Method and automated system for retreading tires  
A method and system for applying at least one thick sheet of uncured rubber as a layer about the periphery of a buffed tire carcass and "sticking" the layer thereto by pressure applied from the...
4075047 Tire retreading system  
Tire casings are retreaded with precured tread strips in a heated pressure vessel provided with pressure connections which effect simultaneous inflation of the tires and pressurization of the...
4069089 Mold for applying pre-cured tread rubber to a tire, preferably utilizing a rubber envelope  
This disclosure is directed to a mold particularly adapted for applying pre-cured tread rubber to a tire, the mold including a pair of generally annular mold bodies which collectively define a...
4058422 Apparatus for bonding treads to tires  
Improved apparatus is disclosed for bonding tread material to tire carcasses utilizing a flexible heat conducting belt one end of which is secured to the tread and the remaining length thereof...
4053265 Mold for retreading pneumatic tires  
A resilient mold and a method for retreading tires using such mold which has an inner face of a normal, unstretched diameter which is smaller than the outer diameter of a tire tread. The mold is...
4051090 Adhesive bonding  
For securing together elastomeric substrates in surface-to-surface contact an adhesive for interposing between the substrates includes elastomer, a prepolymer or a polymerizable monomer, and a...
4046947 Material and methods for bonding treads to tires  
A strip of rubber base bonding material for use in cold bonding a prevulcanized tread strip to a tire contains both a low-temperature vulcanizing agent and accelerators. The bonding material is...
4036271 Seamless retread envelope  
A retread envelope press, seamless retread envelope, and method for manufacturing said seamless retread envelope are described as facilitating the production of superior retreaded or recapped...
4036677 Machine for treating worn out pneumatic tires and for applying a pre-molded tread ring  
A machine for retreading worn-out pneumatic tires comprises a chuck which is adapted to support a tire to be retreaded, an arrangement for rotating the tire, a peeling arrangement for removing the...
4034786 Wheel chuck  
A wide range wheel chuck in which three wheel engaging chucks are disposed on the ends of three lever arms. The lever arms are rotatably journaled at the other end to a stationary base and at a...
4028168 Kettle used in the retreading or repair of tires  
A kettle having a chamber sealed from the ambient atmosphere and designed to receive a plurality of tires retreaded with precured treads. Steam and air are supplied to the chamber in such a way...

Matches 151 - 200 out of 324 < 1 2 3 4 5 6 7 >