Apparatus for forming an edge reinforced non-woven web

Claim 1

IN AN APPARATUS FOR FORMING A CONTINUOUS WEB PRODUCT, THE APPARATUS COMPRISING A MANDREL, MEANS FOR CARRYING A FIRST ELONGATED MEDIUM AT LEAST ONE HELICAL TURN ON SAID MANDREL, A ROTATABLE CARRIER MOUNTED SUBSTANTIALLY COAXIALLY WITH SAID MANDREL, SUPPLY MEANS FOR A SECOND ELONGATED MEDIUM MOUNTED ON SAID CARRIER, MEANS FOR GUIDING SAID SECOND MEDIUM OVER SAID FIRST MEDIUM WHILE THE FIRST MEDIUM IS BEING CARRIED ON SAID MANDREL, THE SECOND MEDIUM BEING APPLIED IN THE FROM OF A HELIX AT A SUBSTANTIAL ANGLE TO THE LONG DIMENSION OF THE FIRST MEDIUM IN THE REGIONS OF INTERSECTION OF SAID MEDIA, AND MEANS FOR CUTTING SAID SECOND MEDIUM TRANSVERSELY OF ITS LONG DIMENSION AFTER IT HAS BEEN APPLIED TO THE FIRST MEDIUM, THE IMPROVEMENT COMPRISING MEANS FOR SUPERPOSING A THIRD ELEONGATED MEDIUM OVER SAID FIRST MEDIUM IN SUPERPOSED RELATION, SAID THIRD MEDIUM BEING APPLIED AFTER SAID SECOND MEDIUM IS APPLIED OVER THE FIRST MEDIUM AND PRIOR TO THE CUTTING OF SAID SECOND MEDIUM, SAID THIRD MEDIUM BEING APPLIED TRANSVERSELY OF THE LONG DIMENSION OF THE SECOND MEDIUM AND SUBSTANTIALLY PARALLEL TO THE LONG DIMENSION OF THE FIRST MEDIUM AND SAID THIRD MEDIUM BEING APPLIED ADJACENT THE LINE ALONG WHICH SAID CUTTING MEANS CUTS THE SECOND MEDIUM.