Apparatus for converting a tubular web to a flat web

Claim 1

IN A MACHINE FOR PROCESSING A WEB, MEANS FOR PASSING SAID WEB LONGITUDINALLY THROUGH THE MACHINE, A TUBULAR MANDREL TO SUPPORT, AND TO IMPART AN ANNULAR CROSS SECTION TO, SAID WEB, A SET OF PULLER ROLLS, THE LINE OF BITE OF SAID PULLER ROLLS BEING TRANSVERSE TO THE AXIS OF SAID MANDREL AND OFFSET THEREFROM, SAID PULLER ROLLS IMPARTING A STRAIGHT TRANSVERSE CONFIGURATION TO SAID WEB, A TRANSFORMER SUPPORT HAVING A TRANSFORMER SURFACE BETWEEN SAID MANDREL AND PULLER ROLLS, SAID TRANSFORMER SUPPORT BEING SO DISPOSD WITH RESPECT TOSID LINE OF BITE AND TO SAID MANDREL AXIS THAT THE WEB DESCRIBES A SUBSTANTIAL BEND AROUND SAID TRANSFORMER SURFACE, SAID TRANSFORMER SURFACE HAVING, IN A DIRECTION TRANSVERSELY OF THE WEB, SPACED RELATIVELY HIGH POINTS OVER WHICH PASS THOSE PORTIONS OF THE WEB LOCATED BETWEEN THE CENTER AND MARGINS OF THE WEB, A RELATIVELY LOW POINT OVER WHICH PASSES THE CENTER OF THE WEB, AND RELATIVELY LOW POINTS OVER WHICH PASS THE MARGINS OF THE WEB.