Machine for banding counted stacks of flat, sheet-like objects

Claim 1

MACHINE FOR PERFORMING THE PROCESS OF BANDING STACKS OF FLAT OBJECTS BY SIMULTANEOUSLY SEVERING AND SEALING AROUND A STACK SOME TAPE OF THERMOPLASTIC MATERIAL CHARACTERIZED IN THAT: TWO SYMMETRIC SIDE PARTS REST ON A BASE PLATE VERTICALLY, ADJUSTABLE TO THE LENGTH OF THE STACKS BY MEANS OF ADJUSTING DEVICES MOUNTED UNDERNEATH THE BASE PLATE, EACH OF THE SIDE PARTS BEARING ONE LOWER CHAIN WHEEL BEARING AND ONE UPPER CHAIN WHEEL BEARING FOR THE PAIRED CHAIN WHEELS OF TWO ENDLESS TRANSPORT CHAINS WHICH ARE ARRANGED IN PAIRS AND RUN SYNCHRONOUSLY IN A SLIGHTLY INCLINED POSITION AND ARE EQUIPPED WITH SUPPORTING BLOCKS ADJUSTABLE TO THE HEIGHT OF THE STACKS AND PRESSURE ACTIVATED LEVERS FOR CLAMPING THE STACKS; A COMMON DRIVE FOR BOTH TRANSPORT CHAINS ANCHORED IN A CENTER SUPPORT MOUNTED ON THE BASE PLATE, AN IMPLUSE WELDING ATTACHMENT CONSISTING OF TWO PARTS MOUNTED ON THE CENTER SUPPORT ON A FRONT SUPPORT WHICH IS CONNECTED WITH THE BASE PLATE, OPERATING IN HE LONGITUDINAL CENTER PLANE TRANSVERSE TO THE CONVEYING TRACK OF THE STACKS FOR WELDING AND SEVERING PLASTIC TAPES THAT ARE UNROLLED FROM DRUMS AND TRAVERSE THE CONVEYING TRACK OF THE STACKS, SURROUNDING THE STACKS IN A LOOP, AND MOTIVE MEANS FOR ENERGIZING THE OPERATING PARTS OF SAID MACHINE, THE CHAIN WHEELS FOR THE TRANSPORT CHAINS OF ONE CHAIN PAIR RESTING AT THE LOWER CHAIN WHEEL BEARING ON A COMMON AXLE AND BEING INFINITELY REGULATABLE BY MEANS OF A STOPPABLE ADJUSTING DISC CONNECTING THE CHAIN WHEELS, AND CHARACTERIZED BY TWO CYLINDERS ARRANGED ABOVE THE IMPLUSE WELDING ATTACHMENT FOR TURNING THE PRESSURE ACTIVATED LEVERS AT THE OUTER TRANSPORT CHAIN INTO RECEIVING POSITION BY MEANS OF PISTON RODS UNDER THE PRESSURE OF A SPRING, AND MOUNTED ON THE LATERAL PLATES OF THE SAID SIDE PARTS AND FURTHER CHARACTERIZED BY TWO LIFTING CAMS FASTENED TO THE LATERAL PLATES UNDERNEATH THE IMPULSE WELDING ATTACHMENT WHEREBY THE PRESSURE ACTIVATED LEVERS ARE OPENED FOR RELEASING THE BANDED STACKS.