Slit-rim liners

Claim 1

A SLIT RIM LINER COMPRISING A SEGMENT OF MATERIAL HAVING AN ADHESIVE SUBSTANCE ON A SIDE THEREOF FOR CONNECTING SAID SEGMENT TO A SHEET OF MATERIAL, SAID SEGMENT HAVING FIRST AND SECOND OPENINGS EXTENDING TRANSVERSELY THERETHROUGH WITH SAID OPENINGS BEING SPACED FROM ONE ANOTHER ALONG A LENGTHWISE DIMENSION OF SAID SEGMENT, FIRST AND SECOND SLOTS EXTENDING TRANSVERSELY THROUGH SAID SEGMENT AND COMMUNICATING, RESPECTIVELY, BETWEEN SAID FIRST AND SECOND OPENINGS AND THE PERIPHERY OF SAID SEGMENT, A FIRST FOLD LINE SPACED EQUI-DISTANT BETWEEN SAID OPENINGS AND EXTENDING TRANSVERSE TO SAID LENGTHWISE DIRECTION TO ALLOW SAID SEGMENT TO BE FOLDED THEREON TO ALIGN SAID FIRST AND SECOND OPENINGS WITH ONE ANOTHER AND TO PROVIDE A PAIR OF LATERAL EDGES EXTENDING GENERALLY IN THE DIRECTION OF SAID LENGTHWISE DIRECTION, SAID FIRST AND SECOND SLOTS EXTENDING TRANSVERSELY OF SAID LENGTHWISE DIMENSION TOWARD OPPOSITE LATERAL EDGES, SAID SEGMENT HAVING SECOND AND THIRD FOLD LINES FORMED THEREIN AND EXTENDING TRANSVERSE OF ITS LENGTHWISE DIMENSION AND SPACED ON OPPOSITE SIDES OF SAID OPENINGS FROM SAID FIRST FOLD LINE DIVIDING SAID SEGMENT INTO FOUR SECTIONS, THE OUTER SECTIONS PROVIDING END EDGES TRANSVERSE TO THE LENGTHWISE DIMENSION AND AN ARCUATE CUTOUT COMMUNICATING WITH EACH END EDGE, THE END EDGE INCLUDING A FIRST PORTION SPACED FROM THE CENTER OF THE ARCUATE CUTOUT AWAY FROM THE OPENINGS AND A SECOND PORTION SPACED TOWARD THE OPENINGS, SAID FIRST PORTION ON ONE EDGE BEING DIAGONAL FROM THE FIRST PORTION OF THE OTHER EDGE, THE FIRST PORTION OF EACH END EDGE INTERSECTING THE SAME LATERAL EDGE AS THE NEAREST SLOT.