Embosser-knife unit

Claim 1

A DEVICE OF THE CHARACTER DESCRIBED AND WHICH IS ADAPTED TO EMBOSS A SLEEVE OF WRAPPING MATERIAL ACROSS GAPS BETWEEN SPACED PADS ENSLEEVED IN SAID WRAPPING MATERIAL AND TO SEVER SAID SLEEVE THROUGH EMBOSSED PORTIONS THEREOF, SAID DEVICE COMPRISING EMBOSSING MEANS TO PRESS SAID WRAPPING MATERIAL TOGETHER ACROSS SAID GAPS, A KNIFE TO SEVER THE EMBOSSED MATERIAL, MEANS TO SEQUENTIALLY ENGAGE SAID EMBOSSING MEANS AND KNIFE WITH SAID MATERIAL AND MEANS TO SELECTIVELY INTERLOCK THE KNIFE AGAINST SUCH ENGAGEMENT TO PREVENT SEVERING SAID MATERIAL ACROSS CERTAIN OF SAID GAPS, IN COMBINATION WITH A CONVEYOR ON WHICH THE SLEEVE IS MOVED PAST THE EMBOSSING MEANS AND KNIFE, THE MEANS TO SEQUENTIALLY ENGAGE THE EMBOSSING MEANS AND KNIFE WITH THE MATERIAL COMPRISING MEANS IN TIMED COORDINATION WITH THE MOVEMENT OF SAID CONVEYOR WHEREBY THE EMBOSSING MEANS AND KNIFE ARE ENGAGED WITH THE MATERIAL ONLY ACROSS SAID GAPS, SAID INTERLOCKING MEANS COMPRISING MEANS TO SELECTIVELY INTERLOCK THE KNIFE AGAINST ENGAGEMENT WITH THE SLEEVE IN ONE OR ANOTHER OF SEVERAL PATTERNS IN EACH OF WHICH THE KNIFE ENGAGES THE SLEEVE AT CERTAIN OF SAID GAPS AND DOES NOT