Patent · US Active

Gas pressure container and tube element for an airbag system, and method for producing same

US10507786B2 · kind B2 · utility

1Cited by

3References

18Claims

0Family size

Assignee

Benteler Steel/Tube GmbH · DE

Inventors

Dirk Tegethoff · Salzkotten, DE
Leonhard Rose · Borchen, DE
Darius Wrobel · Kaiserslautern, DE
Jozef Balun · Paderborn, DE

Key dates

Filing date	Dec 18, 2015
Grant date	Dec 17, 2019
Priority date	—
Expiry date	Dec 18, 2035

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF17C2270/0181
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A gas pressure container for an airbag system of a motor vehicle is disclosed having a tube element with a high bursting resistance when internal pressure is being applied. The tube element includes a steel alloy and a first longitudinal portion of the tube element has a tensile strength Rm,11 higher than (>) 800 MPa, a transition temperature Tu,11 of at least −40° C., and an outer circumference U1. The tube element also includes at least one second longitudinal portion and/or additional longitudinal portions, which extend axially from the first longitudinal portion. The second longitudinal portion or the additional longitudinal portions and the first longitudinal portion are formed from a seamless or welded single-piece tube made of a uniform material, and more specifically from a hot-rolled or cold-drawn tube.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.