Patent application number | Description | Published |
20090032175 | Tire Building Method And Rotational Transfer Device For Drum Transfer Support Base In Tire Building Process - The invention can perform building in a process for building a carcass band or a belt/tread band of a tire, in which two drum transfer support bases ( | 02-05-2009 |
20090032181 | Tire Belt Manufacturing Method And Apparatus - In obliquely cutting a belt band-shaped material (B) to a predetermined length and joining belt material pieces (b) as cut to fabricate a belt member (B | 02-05-2009 |
20090095065 | GREEN TIRE INSPECTION APPARATUS AND METHOD THEREFOR - An improvement is achieved in productivity of a tire by preventing an unacceptably molded green tire, which is produced in a molding process, from flowing to a vulcanizing process. Measures therefor comprise putting an unvulcanized green tire on a mount surface of a mount stage, sticking an information label to a side wall of the green tire with a label sticking device arranged below a through-hole formed in a position, which corresponds to an inside of a bead body of the green tire, on the mount surface, and measuring a weight of the green tire with a gravimeter, which supports the mount stage. | 04-16-2009 |
20090133808 | Tire Building Method and Building Facility - A tire building method and a tire building facility according to the invention attains reduction of an installation space of the tire building facility and substantially equal building cycles for respective building stages to increase building efficiency and facilitate arrangement switching. For attaining these, a step for building a cylindrical carcass band, a subsequent step for building a cylindrical green case, a step for building a cylindrical belt and tread band, a step for combining the green case and the belt and tread band to build the final shape are divided as first through fourth building stages (S | 05-28-2009 |
20090145532 | Method of Manufacturing A Carcass Ply - A large-width ply base material | 06-11-2009 |
20090249597 | METHOD AND APPARATUS OF REMOVING WEFT OF CORD FABRIC FOR TOPPING SHEET - The invention can firmly and easily remove a finely divided weft piece without leaving the weft piece by constituting a method and an apparatus of removing weft from a cord fabric for a topping sheet in a calender line for topping rubber on a number of pieces of aligned cords by a calender roll. In the midst of transferring a cord fabric (F) transferred to a calender apparatus, weft is finely divided by passing the cord fabric (F) through weft dividing means, thereafter, a plurality of blades ( | 10-08-2009 |
20090249598 | Cord Aligning Method In Calender Line And Apparatus Therefor - The invention is aimed at shortening time and reducing labor in a work of fitting a multiplicity of cords, respectively, into grooves of a grooved press roll and of a grooved comb roll to align the same in a calender apparatus, in which rubber is topped on the multiplicity of cords as aligned, in an aligning work, the multiplicity of cords are first fitted into grooves on an upper surface side of the comb roll to be aligned, the press roll is then displaced to an alignment transfer position from a standby position close to a topping roll to be opposed to the upper surface side of the comb roll to thereby transfer an aligned state of the cords fitted into the grooves of the comb roll to the press roll as it is to fit the respective cords into grooves of the press roll and to displace the press roll to the standby position while maintaining the fitted state, to set the cords in an aligned state. | 10-08-2009 |
20090314401 | METHOD OF FABRICATING PNEUMATIC TIRE AND PNEUMATIC TIRE - An object is to reduce a cycle time for fabricating a low rolling resistance pneumatic tire and to provide the same pneumatic tire. As a means therefor, in building a tread portion by winding spirally a rubber strip material whose cross section is divided into a first region made of a conductive rubber and a second region made of a non-conductive rubber in a tire circumferential direction in a partially overlapping fashion by the use of an extruding machine which extrudes continuously the rubber strip material, an area ratio of the first region relative to the cross section of the rubber strip material is made to change in a tire width direction. | 12-24-2009 |
20090314436 | BEAD SUPPLY SYSTEM IN TIRE BUILDING PROCESS - The invention provides a bead supply system which stocks annular beads without bringing the beads into contact with each other and supplies the beads to a building machine in steps where bead setting and turning up are carried out in tire building and includes a bead stocking unit ( | 12-24-2009 |
20090320985 | RUBBER STRIP MATERIAL - When forming a rubber member which is made up of a combination of a plurality of rubber compounds by winding spirally a ribbon-shaped unvulcanized rubber strip material in an overlapping fashion, the number of times of winding is reduced so as to shorten a fabrication cycle time of the rubber member to thereby increase the productivity thereof. As a means therefore, a rubber strip material whose cross section is divided into two or more regions which are made up of different rubber compounds is wound spirally on to a drum in an overlapping fashion so as to build a green tire or a tire rubber member. | 12-31-2009 |
20090320989 | METHOD OF AND APPARATUS FOR WINDING A LENGTHY RUBBER MATERIAL - In the case where a lengthy rubber material (R) is wound on a winding roll ( | 12-31-2009 |
20100012242 | PNEUMATIC TIRE - An object is to provide a pneumatic tire which can exhibit a static elimination function in an ensured fashion and be fabricated easily. As a means therefor, there is provided a pneumatic tire in which a conductive layer | 01-21-2010 |
20100043949 | METHOD OF BUILDING CARCASS BAND AND STITCHER APPARATUS - The invention enables to pressure-bond a carcass ply sheet pasted onto a rubber laminating member wound around a periphery of a building drum firmly along a recessed and projected shape of the rubber laminating member without producing a deformation or a warp of a carcass cord, by using a stitcher apparatus ( | 02-25-2010 |
20100071844 | BELT MEMBER PRODUCING METHOD - There is provided a belt member producing method including forming a strip piece | 03-25-2010 |
20100126646 | METHOD AND APPARATUS FOR PRODUCING TIRE INNER LINER MEMBERS, AND TIRE HAVING INNER LINER - A process for producing easily in high efficiency an inner liner having strip pieces obtained by cutting a ribbonlike rubber strip at given length arranged in parallel relationship in the across-the-width direction, aligned in the direction of tire circumference and bonded together. The process comprises spirally winding ribbonlike rubber strip ( | 05-27-2010 |
20100175812 | METHOD OF AND APPARATUS FOR MANUFACTURING A BELT MEMBER - The invention makes a rubber covering process for cords and processes of cutting and aligning cords a series of processes to enable simplification of installations and processes and manufactures a belt member of high quality, in which straightness and rubber adhesiveness of cords can be improved. As measures therefor, a belt member | 07-15-2010 |
20100307663 | RUBBER STRIP MATERIAL EXTRUSION APPARATUS AND RUBBER STRIP MATERIAL EXTRUSION METHOD - An object is to extrude stably a rubber strip material of a predetermined cross-sectional shape without reducing an extruding speed of the rubber strip material from an extruding die. As a means therefor, there is provided an extrusion apparatus | 12-09-2010 |
20110214817 | METHOD AND APPARATUS OF FABRICATING CARCASS MEMBER FOR TIRE - The invention can efficiently provide a carcass member constituting a carcass layer of a radial tire, particularly, a carcass member a direction of a cord of which constitutes an angle of substantially 90° relative to a tire circumferential direction, and can easily adjust a length in accordance with a size, one piece of a cord (C) is continuously passed through a rubber coating die ( | 09-08-2011 |
20110225783 | METHOD AND APPARATUS OF REMOVING WEFT OF CORD FABRIC FOR TOPPING SHEET - The invention can firmly and easily remove a finely divided weft piece without leaving the weft piece by constituting a method and an apparatus of removing weft from a cord fabric for a topping sheet in a calender line for topping rubber on a number of pieces of aligned cords by a calender roll. In the midst of transferring a cord fabric transferred to a calender apparatus, weft is finely divided by passing the cord fabric through weft dividing means, thereafter, a plurality of blades arranged movably in a width direction on an upper face side of the cord fabric are reciprocally moved in the width direction over an entire width thereof to be brought into contact with the cord fabric, and the divided weft piece is wiped off to remove by respectively striking respective cords of the cord fabric by the respective blades. | 09-22-2011 |
20110226886 | METHOD OF AND APPARATUS FOR WINDING A LENGTHY RUBBER MATERIAL - In the case where a lengthy rubber material (R) is wound on a winding roll ( | 09-22-2011 |
20110284168 | Tire Belt Manufacturing Method And Apparatus - In obliquely cutting a belt band-shaped material (B) to a predetermined length and joining belt material pieces (b) as cut to fabricate a belt member (B | 11-24-2011 |
20120012256 | Tire Building Method and Rotational Transfer Device for Drum Transfer Support Base in Tire Building Process - The invention can perform building in a process for building a carcass band or a belt/tread band of a tire, in which two drum transfer support bases ( | 01-19-2012 |
20120055634 | METHOD OF BUILDING CARCASS BAND AND STITCHER APPARATUS - A stitcher apparatus for pressing a carcass ply sheet from its outer periphery as to be pressure-bonded onto a rubber sheet member after that the carcass ply sheet is pasted onto the rubber sheet member wound around a building drum, the stitcher apparatus including: a ring-shaped frame; and a plurality of pressure-bond rollers. | 03-08-2012 |
20120267038 | RUBBER STRIP MATERIAL EXTRUSION METHOD - An object is to extrude stably a rubber strip material of a predetermined cross-sectional shape without reducing an extruding speed of the rubber strip material from an extruding die. An extrusion method is provided for the rubber strip material which is used in a tire fabrication process in which an unvulcanized rubber strip material which is extruded from an extruding die of an extruding machine is wound spirally to build a tire rubber member, such that a pair of rotatable rolls are provided at a distal end portion of the extruding die in such a manner that their outer circumferential surfaces confront each other, and in that a rubber material is extruded continuously into a ribbon shape from a gap defined by the pair of confronting rolls. | 10-25-2012 |