The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 10, 2023
Filed:
Feb. 15, 2022
Benteler Automobiltechnik Gmbh, Paderborn, DE;
Martin Holzweissig, Paderborn, DE;
Udo Klasfauseweh, Gütersloh, DE;
Benteler Automobiltechnik GmbH, Paderborn, DE;
Abstract
A vehicle door includes a window frame and a lower surface portion formed jointly with the window frame in one piece from a hot formed and press hardened sheet metal plate which is made of a steel alloy which includes, in weight-%: Carbon 0.33-0.38, Silicon 0.2-0.7, Manganese 0.7-1.2, Phosphorus max. 0.03, Sulfur max. 0.02, Boron 0.002-0.005, Chromium 0.6-1.0, Copper max. 0.12, Nitrogen max. 0.005, Titanium 0.015-0.025, Nickel 1.5-2.0, Molybdenum 0.2-0.6, Tin max. 0.04, and as optional components Aluminum 0.006-0.08, Niobium 0.02-0.05, with a balance being iron and incidental impurities. At least the lower surface portion has a Brinell hardness of 500 to 600 HB and a yield strength of 1,200 to 1,450 MPa, wherein the lower surface portion and/or the window frame has a wall thickness of at least 6 mm.