Device for printing Braille characters on cardboard blanks travelling in a
folder-gluer along a substantially planar path, the device comprising
rotary embossing tools carried by two respective parallel shafts
rotatably mounted above and below of the plane of said path and operable
for printing Braille characters on their blanks during their run through
the folder-gluer. The tools are supported on shafts and the tools are
adjustable axially and angularly with respect to each other.