an automated screening and splining apparatus for continuously seating an elongated flexible spline material in a screen frame having a screen retaining channel along first , second , third and fourth perimeter sides and corners of the screen frame and defining a spline sealing area within the screen retaining channel for receiving spline material therein , and the screen frame having first , second , third and fourth perimeter edges , comprising : frame assembly ; slide carriage device mounted on the structural support device having first moving device for latitudinal movement along a y - axis between a third position and a second position , and for latitudinal movement along the y - axis between third position and fourth position ; and the slide carriage device having second moving device for longitudinal movement along an x - axis between a second position and a third position , and for longitudinal movement along the x - axis between a fourth position and first position ; and a spline dispensing head assembly mounted on the slide carriage device for supplying the spline material to the screen retaining channel of the screen frame in a continuous splining cycle , as the slide carriage device move from the first position to the second position , to the third position , to the fourth position and then return to the first position in a continuous , uninterrupted cycle .