US Patent 7802600 Double-sided printing label printer

A first printing device 12 that performs the printing on a first label L1, a second printing device 18 that performs the printing on a second label L2, and a laminating section 20 that laminates these labels one another and discharges the same therefrom and a sticking device 21 that sticks the first and second labels L1 and L2 to an object W. An unprinted surface of the second label L2 is attached to an adhesive layer A of the first label L1 and a printed surface of the second label L2 is positioned between the object W and the same to be hidden.