Machine for applying metal stays to cartons

Claim 1

IN A BOX MAKING MACHINE OF THE CLASS DESCRIBED, FORMING MEANS FOR BENDING THE SIDE FLAPS OF A SCORED AND CORNERED BOX BLANK INTO SET-UP CONDITION FOR THE RECEPTION OF METAL STAYS AT THE CORNERS THEREOF, SAID MEANS COMPRISING A STATIONARY MANDREL FOR SUPPORTING THE BODY OF A BOX BLANK WITH THE FLAPS OVEREXTENDING SAME, A FRAME MOVABLE RELATIVELY TO SAID MANDREL AND CARRYING SLIDE MEANS FOR CONTACTING THE BODY OF SAID BLANK UPON MOVEMENT OF SAID FRAME TOWARDS SAID MANDREL, SAID SLIDE MEANS SLIDING RELATIVELY TO SAID FRAME UPON FURTHER MOVEMENT OF SAID FRAME TOWARDS SAID MANDREL, FLAP BENDING MEANS MOVABLE RELATIVELY TO SAID SLIDE MEANS AND OPERABLE UPON SAID FURTHER MOVEMENT TO FOLD SAID FLAPS ALONG THE EDGES OF SAID MANDREL INTO SET-UP CONDITION AND MEANS FOR APPLYING METAL STAYS SIMULTANEOUSLY TO ADJACENT REGIONS OF SAID SET-UP SIDE FLAPS TO FORM BOX CORNERS.