An apparatus for applying absorbent cores (96) on a moving supporting web (14), comprising: - first conveyors (16) configured for feeding a continuous supporting web (14) in a first direction (A) at a first speed (V1) - a forming section (54) configured for forming a continuous chain (82) comprising a first web (74) and a second web (76), and a continuous succession of absorbent pads (84) set at a first distance (D1) apart from one another, wherein the first and second webs (74, 76) are joined together along the perimeter of said absorbent pads (84) - second conveyors (86) configured for feeding said continuous chain (82) in a second direction (C) at a second speed (V2) lower than said first speed (V1) and - an application unit (56) configured for cutting said continuous chain (82) crosswise in spaces (94) between said adjacent and separate absorbent pads (84) and separating individual absorbent cores (96) from said continuous chain (82), said application unit (56) being moreover configured for accelerating said absorbent cores (96) from said second speed (V2) to said first speed (V1) and for applying the absorbent cores (96) on said continuous supporting web (14) moving at said first speed (VI) in positions set apart from one another by a second distance (D2) greater than said first distance (D1).Linvention concerne un appareil pour appliquer des noyaux absorbants (96) sur une bande de support mobile (14), lequel appareil comprenant : - des premiers transporteurs (16) configurés pour distribuer une bande de support continue (14) dans une première direction (A) à une première vitesse (V1) - une section de formation (54) configurée pour former une chaîne continue (82) comprenant une première bande (74) et une seconde bande (76), et une succession continue de tampons absorbants (84) disposés à une première distance (D1) des uns des autres, les première et seconde bandes (74, 76) étant assemblées ensemble le long du périmètre desdits tampons absorbants (84) - des sec
