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Class 156/127 - With tread-preforming


Subclass of Class 156 - Adhesive bonding and miscellaneous chemical manufacture
Definition: Processes in which the outer band constitutes the tread
No. of patents: 30
Last issue date: 08/07/2007


NumberTitleIssue Date
7252728Method for forming a pneumatic tire
A tire with a changing tread pattern is formed by first forming a tire having a tread, the tread having at least one circumferential or lateral groove. Formed separately is a wearable filler, the wearable filler having a configuration corresponding to at least a por...
08/07/2007
7052568Tire retreading method
A retreading method wherein a base composition and a cap composition are applied to a carcass (10) as two ribbons (14) and (16) extruded from separate extruders (18) and (20). The ribbons (14) and (16) can be layered ...
05/30/2006
6521071Tread application apparatus with automated tread centering feature
An improved method for applying an annular tread (10) to a pneumatic tire casing (20) which has the steps of mounting the tread (10) on a tread expander assembly (200) wherein the tread (10) pass over a mount wheel (300) prior to the casing (20) being mou...
02/18/2003
6484772Tread pattern and method of manufacture
A tread for a tire, the tread being provided with a plurality of cutouts, defined by walls perpendicular to or oblique to the rolling surface of the tread, in which the two main walls of at least one cutout located in the part of the tread affected by the...
11/26/2002
6139668Method and apparatus for simultaneously assembling a plurality of tires
A tire assembly method and apparatus are disclosed which utilize at least two rotatable turrets (16, 18) that each have two drums (26, 28, 58, 60) and at least one transfer unit (156) for transferring tire components from one turret to another. The prefer...
10/31/2000
6089290Precured tire tread for a truck tire and the method of assembly
An improved tire 200 having precured tire tread 10 for mounting to an unvulcanized or a vulcanized tire casing 100 is disclosed. The improved precured tread 10 has a pair of circumferentially continuous projections 60. One projection 60 extends axially ou...
07/18/2000
6039825Method of forming a complete tire carcass
A method of forming a complete carcass of a tire, whereby an inner carcass (5) of the tire, formed on a collapsible forming device (2) supporting the beads (8) of the inner carcass (5), is inserted, together with the collapsible forming device (2), inside...
03/21/2000
5944925Tire production process using water jet treatment
Process and device for treating vulcanized rubber surfaces before bonding by creating surface roughness and elimination of degraded surface particles through the use of a high-pressure fluid jet....
08/31/1999
5769975Tire tread with cured portion and uncured end sections/wing portions
A tire tread that is applicable to retread a worn tire carcass. The tire tread includes a cured tread portion having a first shoulder and a second shoulder. A first uncured wing portion extends from the first shoulder and a second uncured wing portion ext...
06/23/1998
5486260Device for assembly of a tire casing and an annular tread member extended by centrifugation
Process and device for assembly of a tire casing (2) and a prevulcanized ular tread member (1), in view of recapping tires whose tread member is worn or production of new tires, to which the annular tread member (1) is extended by centrifugation....
01/23/1996
5320695Method of forming a tire inside a forming mold
A method of forming a tire (1) inside a forming mold (2) having an inner surface negatively reproducing the outer surface of the finished tire (1). The method provides for forming a second stage tread assembly (13) of the tire (1) in an annular housing (3...
06/14/1994
5304270Tire manufacturing process
A process for manufacturing road vehicle tires (2), whereby each bead portion (4) of a first stage carcass (1) of a green tire (2) is fitted to a respective circular inner annular support (22), and a finished green tire (2) is formed by fitting the first ...
04/19/1994
5209797Process for manufacturing pneumatic tires having a toric profile at high transversal curvature
The invention refers to the manufacture of a pneumatic tire having a toric profile of high transversal curvature wherein the reinforcing annular structure and the tread band are shaped together, starting from a cylindrical configuration to the final toric...
05/11/1993
5201975Tire manufacture
A tire is manufactured by assembling a tread package into a pattern ring and molding a tread thereon while partially precuring the package. The tire is further assembled by positioning an uncured carcass within the pattern ring so that the carcass contact...
04/13/1993
4934426Process of bonding two rubber bodies by vulcanization of a connecting layer, products suitable for use in such process and products thus obtained
A process of bonding two bodies of rubber by vulcanization of a connecting layer of vulcanizable rubber provides essentially a new manner of organizing the drainage of gaseous inclusions imprisoned between the bodies and/or resulting from the subsequent v...
06/19/1990
4792370Tire building method employing detachable transfer box
A method of manufacture of a pneumatic tire in which an annular component, such as a tread/breaker assembly, is accurately located in a supporting box (30)(15). Other tire components such as sidewalls, and carcass, are assembled to said annular component ...
12/20/1988
4738738Manufacture of vehicle tires
A method and apparatus for building a tire comprising fitting a patterned cavity of a tread mould with unvulcanized tread composition, shaping the radially inner surface of the tread to a first profile to accommodate a tread reinforcement breaker, consoli...
04/19/1988
4673457Expandable tire building former
A method and apparatus for use at the stage of a radial tire building process at which a tread and breaker, and sidewall rubbers, are added to the expanded carcass. A tread assembly is built, comprising tread rubber breaker and sidewall rubbers and is the...
06/16/1987
4555287Method for building tires
A method and apparatus for use at the stage of a radial tire building process at which a tread and breaker, and sidewall rubbers, are added to the expanded carcass. A tread assembly is built, comprising tread rubber breaker and sidewall rubbers and is the...
11/26/1985
4470790Adjustable extrusion die assembly
An adjustable extrusion die assembly forming part of an extruder for an elastic material, comprises: a stationary die member having an end surface; a plurality of movable die members positioned in side-by-side relationship to one another and slidably cont...
09/11/1984
4470865Tire tread belt and method of making
An annular tire tread belt is assembled of uncured resilient material having reinforcing cords. An annular container of resilient material has reinforcing cords extending between annular bead rings at the edges. The container is shaped in a toroidal confi...
09/11/1984
4437915Method of curing removable tread belt
The annular tread belt body is assembled of uncured resilient material having reinforcing cords and is then mounted on a precured tire casing. The read belt body is assembled with a predetermined configuration at a radially inner surface and the precured ...
03/20/1984
4392899Process and apparatus for manufacturing vehicle tires
This invention provides a method and apparatus for making vehicle tires wherein the annular, reinforcing structure and the tread band are manufactured on two drums, one drum having a comb-shaped surface, and the other drum having sectors. The comb-shaped ...
07/12/1983
4269643Retreading 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 respectively with a precured tread and enclosing envelope h...
05/26/1981
4230511Curing 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 gap. The tread assembly on the ring is suspended by rotata...
10/28/1980
4178198Method 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 band holder inwardly to contact the tread band with a tire car...
12/11/1979
4152191Curing 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 gap. The tread assembly on the ring is suspended by rotata...
05/01/1979
4088521Method 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 relaxed diameter less than the inflated diameter of the tir...
05/09/1978
3947312Apparatus for making pneumatic tires torically with an annular guide assembly
A pneumatic tire building machine with a rotatable building drum adapted for forming thereon a tire carcass of rubberized plies and for expanding the formed carcass to a toric shape. A transfer mechanism positions a separately formed tread and belt assemb...
03/30/1976
3945866Tire building apparatus for large tires
A first stage radial ply carcass and an endless breaker belt are built conventionally about horizontal axes. Carcass and belt separately are upended, to axis-vertical positions. The respective mid-circumferential planes of the carcass and the belt are mad...
03/23/1976
 
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