APPARATUS AND PROCESS FOR MAKING ELASTIC COMPOSITE SHEET

摘要

AN APPARATUS AND PROCESS FOR MAKING AN ELASTIC COMPOSITE SHEET INCLUDING A PAIR OF ROLLS LA, LB ADAPTED TO BOND RESPECTIVE SURFACES OF A NON-STRETCHABLE SHEET 2 AND A STRETCHABLE SHEET 3 AND FED TOGETHER INTO A NIP OF THE ROLLS 1A, LB. ONE LA OF THE ROLLS IS FORMED WITH RIDGES 7 WHILE THE OTHER ROLL IBIS FORMED WITH GROOVES 8 AND THE RIDGES 7 ARE ENGAGED WITH THE GROOVES 8 WITH SPACES LEFT BETWEEN SURFACES OF THE RIDGES 7 AND THE GROOVES 8 TO FORM THE NON-STRETCHABLE SHEET 2 ON ITS SURFACE WITH STRIPE-LIKE CRESTS AND FLAT TROUGHS EACH DEFINED BETWEEN EACH PAIR OF THE ADJACENT CRESTS; AND THE NON-STRETCHABLE SHEET 2 IS BONDED ALONG ITS TROUGHS TO THE SURFACE OF THE STRETCHABLE SHEET 3.