公开(公告)号：US20240140064A1

公开(公告)日：2024-05-02

申请号：US18398351

申请日：2023-12-28

Applicant: TOPPAN INC.

Inventor： Shukiko IMAIZUMI ,  Kaori YAMASHITA

IPC: B32B1/00 ,  B32B7/12 ,  B32B27/08 ,  B32B27/32

CPC classification number: B32B1/00 ,  B32B7/12 ,  B32B27/08 ,  B32B27/32 ,  B32B2307/7376

Abstract: A laminated tube, the laminate including: a first heat seal layer, a substrate layer, and a second heat seal layer, wherein the first heat seal layer, the substrate layer, and the second heat seal layer contain a polyolefin; each of the first heat seal layer and the second heat seal layer is laminated with the substrate layer by a dry lamination method; a proportion of the thickness of the second heat seal layer to the thickness of the first heat seal layer is 0.9 to 1.1; and the laminate has a thickness of 180 μm to 300 μm.