公开(公告)号：US3669779A

公开(公告)日：1972-06-13

申请号：US3669779D

申请日：1970-12-30

Applicant: DEERING MILLIKEN RES CORP

Inventor： GORDON DAVID E

IPC: D06N7/00 ,  D05C15/00 ,  B32B5/00

CPC classification number: D06N7/0071 ,  D06N7/0068 ,  D06N2201/042 ,  D06N2201/082 ,  D06N2201/085 ,  D06N2203/048 ,  D06N2205/026 ,  D06N2209/128 ,  D06N2209/1628 ,  D06N2213/04

Abstract: METHOD OF BACK-COATING PILE CARPET CONTAINING PILE YARNS BOUND BY EMBEDMENT IN A RELATIVELY IMPREVIOUS POLYMER LAYER COMPRISING THE STEPS OF PERFORATING THE IMPERVIOUS LAYER TO PERMIT PASSAGE OF GASES THERETHROUGH, AND APPLYING A HEAT BONDABLE POLYMERIC BACK-COATING TO THE PERFORATED CARPET.