公开(公告)号：US20240344640A1

公开(公告)日：2024-10-17

申请号：US18294987

申请日：2022-07-04

Applicant: NITTA CORPORATION

Inventor： Keita TOMINAGA ,  Yoshihiro KOYAMA ,  Ryoji MANAI

IPC: F16L9/133 ,  B32B1/08 ,  B32B7/02 ,  B32B27/08 ,  B32B27/34 ,  F16L9/12

CPC classification number: F16L9/133 ,  B32B1/08 ,  B32B7/02 ,  B32B27/08 ,  B32B27/34 ,  B32B2250/24 ,  B32B2307/54 ,  B32B2307/7376 ,  B32B2597/00 ,  F16L9/121

Abstract: An air brake tube has a multilayer structure, and has a hoop stress at 125° C. of more than 9.72 MPa and a tensile modulus at 23° C. of less than 650 MPa.