of composition inserted inside the coating chamber by the volumetric pump is a function of the volume occupied by the said unit of length of the strip after its deposition on the form it can be seen in fig1 that the laying head 41 is close to the right hand shoulder of the future tire whose shape can be clearly imagined by examining the rigid core 1 on which it will be constructed the free end of the strip previously cut forming an angle u03b2 is presented to the surface of the form and is held there by the roller 47 at the required point in the shoulder area of the future tire naturally the material against which the strip 20 is applied must be such that the strip 20 has a tendency to remain bonded typically the form is already coated with uncured rubber naturally sticking to the uncured rubber composition 30 the elastomeric composition is delivered into the formation chamber 50 by means of the delivery device 54 the latter makes it possible to introduce the uncured rubber at a certain pressure inside the formation chamber 50 so that the rubber fills it completely whilst all the threads 2 pass through the formation chamber 50 a controlled volume of rubber is introduced into the formation chamber 50 the basic parameter for the control provided by the control unit is the rotation of the form 1 moreover the means of moving the laying head 4 with respect to the form 1 whose functioning is described below are themselves controlled so as to produce a certain deposition trajectory according to the architecture of the tire to be manufactured the radius at which the strip is deposited is therefore in particular known at all times which makes.