MULTIDENSITY LINER/INSULATOR HAVING REINFORCING RIBS

摘要

A liner/insulator (2) including a base layer of fibrous material (4) and a plurality of ribs of fibrous insulation material (6) thermally bonded to said base layer. The fibrous material is constructed of either (a) thermoplastic polymer staple fibers and thermoplastic bicomponent fibers,(b) glass staple fibers and thermoplastic bicomponent fibers and (c) a combination of (a) and (b).