| 摘要 |
FIELD: transport, package. ^ SUBSTANCE: set of invention relates to packing tubular case made from multiplayer material consisting of at least one thermoplastic material, and to method of its production. In fabricating said case, edges of multilayer material are welded together. Note here that said edges are covered by strap welded or glued thereto and embedded at least partially into multilayer material. ^ EFFECT: higher quality and strength of tubular case. ^ 13 cl, 6 dwg |
