this invention relates to an improvement in an apparatus for dispensing a ribbon between layers of web material and more particularly , to an automated and remote positioning system of ribbon dispensers which are precisely positioned with respect to the web material by a controlling and monitoring system and are physically easily accessible for maintenance by an operator . the automated and remote positioning system of ribbon dispensers includes locking means interacting with either the apparatus or with a traversing mechanism such as a lead screw to move the ribbon dispensers .