METHOD AND APPARATUS FOR MANUFACTURING DOUBLE-WALLED LINER

摘要

A double-walled liner and an apparatus and method for manufacturing said liner, wherein the outer liner of the double-walled liner is seamed longitudinally and transversely, and wherein the apparatus includes: a frame; a supply section for providing webs of inner and outer liner material; a folding section for folding the webs and including a V-form frame structure comprising mutually converging arms which converge towards an apex.