Apparatus for making mats of blown mineral fibers

Claim 1

IN APPARATUS FOR PRODUCING A MAT OF GLASS FIBERS, AN UPWARDLY DIRECTED COLLECTING BELT, A PLURALITY OF FIRST FIBER GENERATORS POSITIONED SUBSTANTIALLY WITHIN THE WIDTH OF SAID BELT AND SPACED REARWARDLY FROM SAID BELT, MEANS ASSOCIATED WITH SAID FIRST FIBER GENERATORS FOR DISCHARGING FIBERS TOWARD SAID BELT TO BE COLLECTED THEREON IN MAT FORM, A PLURALITY OF SECOND FIBER GENERATORS SPACED FROM SAID FIRST FIBER GENERATORS, SAID SECOND FIBER GENERATORS POSITIONED SUBSTANTIALLY OUTSIDE THE WIDTH OF SAID BELT, AND A PLURALITY OF STATIONARY CONDUITS EXTENDING FROM SAID SECOND FIBER GENERATORS TO WITHIN THE WIDTH OF SAID BELT, SAID CONDUITS BEING AT AN ELEVATION DIFFERENT FROM THAT OF SAID MEANS ASSOCIATED WITH SAID FIRST FIBER GENERATORS AND ARRANGED SO THAT FIBERS FROM THE SECOND FIBER GENERATORS ARE DISCHARGED TOWARD THE BELT AT AN ELEVATION DIFFERENT FROM THAT AT WHICH FIBERS ARE DISCHARGED FROM THE FIRST FIBER GENERATORS.