Box making machine

Claim 1

A MACHINE FOR FORMING BOXES FROM BLANKS HAVING SIDEWALLS AND TABS DEFINED BY SCORE LINES WITH SAID TABS ADAPTED TO BE ENGAGED WITH SAID SIDEWALLS UNDER PRESSURE TO FORM A BOX COMPRISING, A FRAME WITH AN APERTURE FORMED THEREIN OVER WHICH SAID BLANKS ARE MOVED TO A FIRST POSITION, MEANS FOR SUCCESSIVELY FEEDING SAID BOX BLANKS TO SAID FIRST POSITION, MEANS FOR FOLDING SAID TABS AND SIDEWALLS ALONG SAID SCORE LINES, DEFINING THEM TO SHAPE SAID BLANK INTO A BOX CONFIGURATION, MEANS FOR MOVING SAID BOX CONFIGURATION IN A DIRECTION NORMAL TO THE PLANE WITHIN WHICH THE BOTTOM OF SAID BOX CONFIGURATION LIES TO ENGAGE THE SIDEWALLS AND TABS WITH A CLAMPING MEANS, SAID MEANS FOR MOVING SAID BOX CONFIGURATION INCLUDING MEMBERS ADAPTED TO MOVE UPWARDLY THROUGH SAID APERTURE CARRYING SAID BOX CONFIGURATION INTO ENGAGEMENT WITH SAID CLAMPING MEANS AND A FOLDING MECHANISM HAVING HOLDDOWN MEMBERS FOR ENGAGING THE UPPER SURFACE OF THE BOTTOM OF SAID BLANK AND FORMING MEMBERS FOR ENGAGING THE SIDEWALLS AND TABS TO HOLD THEM WHILE SAID BLANK IS ENGAGED BY SAID HOLD-DOWN MEMBERS, WITH SAID HOLD-DOWN MEMBERS AND FORMING MEMBERS ADAPTED TO BE MOVED VERTICALLY AS SAID BOX CONFIGURATION IS CARRIED INTO ENGAGEMENT WITH SAID CLAMPING MEANS, SAID CLAMPING MEANS HAVING ELEMENTS FOR ENGAGING SAID TABS AND SIDEWALLS AND APPLYING PRESSURE THERETO SEAL SAID TABS AND SIDEWALLS IN FIXED INTERENGAGEMENT TO FORM SAID BOX, AND MEANS FOR EJECTING SAID BOX FROM SAID MACHINE.