| 摘要 |
<p>1408953 Wire mesh-fabric laminates L A TURZILLO 21 Nov 1972 [23 Nov 1971] 53718/72 Heading B5N [Also in Division E1 A laminate for making concrete-moulding matrices comprises an open-mesh layer, e.g. square wire mesh, bonded to a porous fabric layer, e.g. woven overlap or synthetic fabric, so that porous areas of the fabric are exposed through the mesh without blocking the pores and the mesh is resistant in use to deformation from the pressure of the concrete. The layers may be bonded at a multiplicity spaced points by passing the layers through rolls while spraying a contact adhesive therebetween.</p> |
