| 摘要 |
<p>1534012 Laminates INMONT CORP 3 Oct 1975 [4 Oct 1974] 27411/78 Divided out of 1534011 Heading B5N [Also in Division D1] A bonded fibrous web comprises a sheet of criss-crossing elastomeric fibres running parallel to the surfaces of the sheet and a polymeric binder adhered to the fibres within the sheet, the weight ratio of the binder to the fibres being in the range 1 : 10 to 7 : 10, the fibres being bonded together at their points of contact, the pores of the sheet constituting about 2/5 to ¥ the volume of the sheet and the proportion and position of the binder being such that the interior of the sheet has a structure of criss-crossing fibres running parallel to the surface of the sheet with open pathways between intersecting fibres. The fibres and the binder may each be of polyurethane and the web may consist of two impregnated sheets.</p> |
