Device for Handling a Strip of Product Containing Rubber and Method for Producing a Winding Device onto which said Strip is a Wound

Abstract

A device for handling a rubber-containing product web ( 20 ) intended for the manufacture of a tire, of the type comprising: an endless belt ( 24 ) for conveying the web ( 20 ), which belt is guided and driven by a set of rollers (R 1 to R 8 ) rotatably mounted about axes parallel to a direction (Y), termed the transverse direction, at least some of these rollers (R 1 to R 8 ) separating a carrier strand ( 24 P) of the belt, which is intended to carry the web ( 20 ), from a return strand ( 24 R) of the belt, a reel ( 28 ) for winding the web ( 20 ), which reel is arranged above the carrier strand ( 24 P) and rotatably mounted about an axis substantially parallel to the transverse direction; and (Y), means ( 46 ) for temporarily diverting the path of the carrier strand ( 24 P) between a normal path of the carrier strand ( 24 P), substantially tangential to the reel ( 28 ), and a temporary path for winding the carrier strand ( 24 P) around a sector of the reel ( 28 ) that is more than 90°.

1 . A device for handling a rubber-containing product web intended for the manufacture of a tire, of the type comprising:
 an endless belt for conveying the web, which belt is guided and driven by a set of rollers (R 1  to R 8 ) rotatably mounted about axes parallel to a direction, termed the transverse direction, at least some of these rollers (R 1  to R 8 ) separating a carrier strand of the belt, which is intended to carry the web, from a return strand ( 24 R) of the belt;   a reel for winding the web, which reel is arranged above the carrier strand and rotatably mounted about an axis substantially parallel to the transverse direction; and,   means for temporarily diverting the path of the carrier strand between a normal path of the carrier strand, substantially tangential to the reel, and a temporary path for winding the carrier strand around a sector of the reel that is more than 90°.   
     
     
         2 . The device according to  claim 1 , wherein, in its temporary path, the carrier strand winds around a sector of the reel ranging between 120 and 160°. 
     
     
         3 . The device according to  claim 1 , wherein the carrier strand is elongated between its normal and temporary paths, the belt comprising a compensation strand whose length varies conversely to the length of the carrier strand. 
     
     
         4 . The device according to  claim 3 , wherein the diverting means comprise a diverting roller rotatably mounted about an axis parallel to the transverse direction, and means for translationally moving this diverting roller orthogonally to the transverse direction, between an inoperative position and an active position in which it diverts the path of the carrier strand, these means for moving the diverting roller preferably comprising a cylinder actuator, the set of guide and drive rollers comprising a compensation roller that guides the compensation strand and is connected to means for translationally moving this compensation roller orthogonally to the transverse direction. 
     
     
         5 . The device according to  claim 1 , comprising means for transversely cutting the web that are arranged upstream of the reel. 
     
     
         6 . The device according to  claim 4 , comprising means for transversely cutting the web that are arranged upstream of the reel, and comprising means for controlling the means for moving the diverting roller and means for moving the compensation roller as a function of at least one parameter selected from a measurement of the speed of movement of the belt and a status parameter of the means for transversely cutting the web. 
     
     
         7 . The device according to  claim 1 , comprising means for moving the reel parallel to a plane perpendicular to the transverse direction. 
     
     
         8 . The device according to  claim 5 , and comprising means for movie the reel parallel to a plane perpendicular to the transverse direction, particularly comprising a cylinder actuator and comprising means for controlling the means for moving the reel as a function of at least one parameter selected from a measurement of the pressure exerted on the belt by the reel, and a status parameter of the means for transversely cutting the web. 
     
     
         9 . An installation for the manufacture of rubber-containing product webs intended for the manufacture of a tire, of the type comprising
 means for longitudinally cutting a raw rubber-containing product web into adjacent product webs,   one or more devices for handling the product web, and   means for guiding said webs towards the respective handling device or devices, wherein the at least one handling device is one according to  claim 1 .   
     
     
         10 . The installation according to  claim 9 , wherein, in the case where it comprises a plurality of handling devices, the latter are offset in terms of height relative to one another. 
     
     
         11 . A method for producing a reel onto which is wound a rubber-containing product web intended for the manufacture of a tire, of the type comprising a step of attaching a free end of the web to the empty reel, wherein the attachment step is carried out using the means for temporarily diverting the path of the carrier strand that belong to a handling device according to  claim 1 . 
     
     
         12 . The device according to  claim 4 , wherein the means for moving the compensation roller comprise a cylinder actuator. 
     
     
         13 . The device according to  claim 7 , wherein the means for moving the reel comprise a cylinder actuator.