Patent · US Active

Tubular steel product

US10625326B2 · kind B2 · utility

0Cited by

11References

18Claims

0Family size

Assignee

Benteler Steel/Tube GmbH · DE

Inventors

Leonhard Rose · Borchen, DE
Jerry Mfosolem Konneh · Ankum, DE
Dirk Tegethoff · Salzkotten, DE

Key dates

Filing date	Nov 1, 2017
Grant date	Apr 21, 2020
Priority date	—
Expiry date	Apr 8, 2038

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB21D51/16
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A tubular product includes a tubular body made of steel and having a tube wall which includes an opening. The opening is produced by a high-speed stamping process at a stamping speed of more than 4 m/s. The opening is situated in the tube wall in a region thereof which has a tensile strength Rm>800 MPa.

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