Method and apparatus for making pitch impregnated honeycomb

Claim 1

A METHOF OF FORMING A HONEYCOMB BLOCK COMPRISING THE STEPS OF SIMULTANEOUSLY FEEDING TWO CONTINUOUS WEBS, APPLYING NODE LINES OF ADHESIVE TO AT LEAST ONE OF SAID WEBS, BRINGING TOGETHER AND JOINING SAID WEBS IN FACE-TO-FACE RELATION WITH NODE LINES OF ADHESIVE EXPOSED ON ONE OF SAID WEBS, CUTTING SAID JOINED WEBS INTO MULTIPLE PLY SHEETS, AND ARRANGING SAID MULTIPLE PLY SHEETS IN A STACK WITH SAID EXPOSED ADHESIVE SECURING THE LAST POSITIONED MULTIPLE PLY SHEET TO THE REMAINDER OF THE STACK, PROGRESSIVELY LOWERING THE STACK AS THE MULTIPLE SHEETS ARE ADDED THERETO WITH THE TOP OF THE STACK REMAINING GENERALLY AT THE SAME LEVEL, EXPANDING THE HONEYCOMB SLICES AND WHILE EXPANDING THE HONEYCOMB SLICES SOFTENING THE FIBERS THEREOF THROUGH THE APPLICATION OF STEAM, PASSING THE EXPANDED HONEYCOMBS THROUGH A PITCH BATH, AND THEN COOLING THE PITCH WHEREBY THE SAME SETS.