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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.:

US 10100867 B1

PDFFull Text
Date of Patent:
Oct. 16, 2018

Filed:

May. 15, 2015

Lock washer

Applicant:

Expanite Technology A/s, Hillerød, DK;

Inventor:

Thomas Strabo Hummelshøj, Frederiksberg, DK;

Assignee:

EXPANITE TECHNOLOGY A/S, Hillerød, DK;

Attorney:

Buchanan Ingersoll & Rooney P.C.

Primary Examiner:

Keith Walker

Assistant Examiner:

Vanessa T Luk

Int. Cl.
CPC ...
F16B 39/10 (2006.01); C23C 8/26 (2006.01); C21D 1/06 (2006.01); C21D 6/00 (2006.01); C21D 9/40 (2006.01); C22C 38/00 (2006.01); C22C 38/40 (2006.01);
U.S. Cl.
CPC ...
F16B 39/103 (2013.01); C21D 1/06 (2013.01); C21D 6/004 (2013.01); C21D 9/40 (2013.01); C22C 38/001 (2013.01); C22C 38/40 (2013.01); C23C 8/26 (2013.01);
Abstract

A profiled element suitable for repeated deformation and relaxation, which profiled element is made from a case hardened stainless steel including at least 9% chromium and up to 6% nickel which profiled element has a material thickness in the range of from 0.2 mm to 3 mm and a nitrogen martensitic case with a case depth in the range of from 10 μm to 50 μm and a surface hardness of up to 750 HV0.05 and to a method of case hardening a workpiece made from a stainless steel including at least 9% chromium and up to 5% nickel, which workplace has a material thickness in the range of from 0.2 mm to 3 mm. The profiled element may be a fixing element for fixing a bearing element and a fastening element against each other, and the method is suited in the manufacture of the fixing element.

Find Patent Forward Citations

Hummelshøj, Thomas. (2018). Lock washer (U.S. Patent No. 10100867). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10100867

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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