Method and apparatus fof bundling stacked material

Claim 1

A STACK WRAPPING APPARATUS COMPRISING A FRAME, AN ELONGATED BED ON SAID FRAME, MEANS ON SAID FRAME SPACED ABOVE ONE PORTION OF SAID BED FOR SUPPORTING A WRAPPER SHEET ENTIRELY ABOVE SAID ONE BED PORTION, SPACED SHEET FOLDING MEANS ON SAID FRAME SPACED ABOVE SAID ONE PORTION OF SAID BED AND ADJACENT TO SAID SHEET SUPPORTING MEANS WHEREBY, WHEN A WRAPPER SHEET IS SUPPORTED ON SAID SHEET SUPPORTING MEANS ABOVE SAID SHEET FOLDING MEANS AND A STACK TO BE WRAPPED IS ENGAGED WITH THE WRAPPER SHEET, PASSED BETWEEN SAID SPACED SHEET FOLDING MEANS, AND DEPOSITED ON SAID ONE PORTION OF SAID BED, THE WRAPPER SHEET IS FOLDED ABOUT THREE SERIALLY EXTENDING SIDES OF THE STACK WITH OPPOSITE END PORTIONS OF THE WRAPPER SHEET EXTENDING OUTWARDLY FROM THE STACK, MEANS ON SAID FRAME ADJACENT TO SAID BED FOR CONVEYING THE STACK AND TE WRAPPER SHEET ALONG SAID BED FROM SAID ONE PORTION THEREOF, MEANS INCLUDING ANOTHER PORTION OF SAID BED AND A SURFACE SUPPORTED ON SAID FRAME IN CONVERGENT RELATION TO SAID OTHER BED PORTION FOR COMPRESSING THE STACK IN RESPONSE TO MOVEMENT OF THE STACK AND THE WRAPPER SHEET ALONG SAID BED, AND MEANS ON SAID FRAME OPERABLE, WHILE THE STACK IS MAINTAINED IN COMPRESSED CONDITION, FOR FOLDING THE END PORTIONS OF THE WRAPPER SHEET INTO MUTUAL ENGAGEMENT WITH EACH OTHER AND IN ENCIRCLING RELATION TO THE STACK AND FOR UNITING THE END PORTIONS OF THE WRAPPER SHEET.