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:
Apr. 21, 2020
Filed:
Oct. 16, 2017
Applicant:
The Gillette Company Llc, Boston, MA (US);
Inventors:
Wei Han, Sudbury, MA (US);
Ming Laura Xu, Natick, MA (US);
John Lawrence Maziarz, Framingham, MA (US);
Assignee:
The Gillette Company LLC, Boston, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 53/64 (2006.01); B26B 21/56 (2006.01); B26B 21/06 (2006.01); B26B 21/22 (2006.01); B26B 21/40 (2006.01);
U.S. Cl.
CPC ...
B21D 53/645 (2013.01); B26B 21/06 (2013.01); B26B 21/222 (2013.01); B26B 21/4068 (2013.01); B26B 21/565 (2013.01);
Abstract
A method of manufacturing a razor blade by providing a razor blank strip having an edge. The razor blank strip is hardened to a hardness greater than 600HV. A pre-bending zone that is spaced apart from an edge of the razor blank is melted with a laser beam. The pre-bending zone is cooled after melting to form a re-solidification portion. The razor blank strip is segmented into individual blades. The individual blades are bent in the pre-bending zone.