Cutting device for cutting webs and blanks

Claim 1

A CUTTING APPARATUS FOR CUTTING A PROFILE IN A CONTINUOUSLY ADVANCING SHEET MATERIAL MOVING THROUGH A DEFINITE PATH, WITH PORTIONS OF THE PROFILE BEING CUT IN AT LEAST TWO SUBSTANTIALLY DIFFERENT ANGULAR RELATIONSHIPS TO THE DIRECTION OF MOVEMENT OF THE MATERIAL, SAID CUTTING APPARATUS INCLUDING: MEANS FOR ADVANCING SHEET MATERIAL TO BE CUT THROUGH A DEFINITE PATH, A CYLINDER HAVING AN AXIS OF ROTATION AND HAVING A CYLINDRICAL SURFACE DISPOSED ADJACENT THE MATERIAL BEING ADVANCED THROUGH SAID DEFINITE PATH, MEANS PROVIDING A SUPPORT FOR SAID CYLINDER AND ENABLING ITS ROTATION ABOUT SAID AXIS, CUTTING MEANS CARRIED BY SAID CYLINDER AND HAVING CUTTING EDGE PORTIONS EXTENDING OUTWARDLY FROM THE SURFACE OF SAID CYLINDER, SAID CUTTING MEANS HAVING CUTTING EDGE PORTIONS EXTENDING ALONG THE SURFACE OF SAID CYLINDER AT SUBSTANTIALLY DIFFERENT ANGULAR RELATIONSHIPS TO EACH OTHER, ALL POINTS ON SAID CUTTING EDGE PORTIONS PROJECTING FROM THE SURFACE OF SAID CYLINDER TO THE SAME RADIAL EXTENT FROM THE AXIS OF ROTATION OF SAID CYLINDER, A STATIONARY RIGID COUNTER MEMBER DISPOSED AT THE OPPOSITE SIDE OF THE PATH OF MOVEMENT OF THE ADVANCING SHEET, SAID MEMBER HAVING A HARD AND SMOOTH SURFACE EXTENDING TRANSEVERSELY OF THE DIRECTION OF MOVEMENT OF THE MOVING MATERIAL AND ADAPTED TO FIRMLY HOLD SUCCESSIVE SMALL AREAS OF THE LATTER WITHIN THE PATH OF MOVEMENT OF SAID CUTTING EDGE PORTIONS, MEANS FOR SUPPORTING THE COUNTER MEMBER AND RETAINING IT IN PREDETERMINED FIXED POSITION, MEANS FOR ADJUSTING SAID SUPPORTING MEANS TO SLIGHTLY VARY THE POSITION OF SAID COUNTER MEMBER RELATIVE TO THE PATH OF MOVEMENT OF THE MATERIAL AND TO VARY THE CLOSENESS OF SAID HARD AND SMOOTH SURFACE OF THE COUNTER MEMBER TO THE PATH OF MOVEMENT OF SAID CUTTING EDGE PORTIONS OF SAID CUTTING MEANS, SAID ADJUSTING MEANS BEING ADAPTED TO FIXEDLY POSITION SAID AREA OF THE COUNTER MEMBER IN SUCH CLOSE RELATION TO THE PATH OF MOVEMENT OF SAID CUTTING EDGES AS TO INSURE THE PRODUCTION OF A PROFILE CUT IN THE ADVANCING MATERIAL, MEANS CONNECTED WITH SAID ROTATING CYLINDER FOR PROVIDING SUCTION TO SEVERED SECTIONS OF SAID MATERIAL FOR RETAINING THE SAME ON SAID CYLINDER AS THEY ARE SEVERED FROM THE ADVANCING MATERIAL, AND MEANS CONNECTED WITH SAID CYLINDER FOR SUBSEQUENTLY APPLYING PRESSURE TO SAID SECTIONS TO DISPOSE OF THE SAME AS THEY ARE CARRIED INTO ANOTHER POSITION UPON ROTATION OF SAID CYLINDER.