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:
May. 23, 2023
Filed:
Dec. 10, 2018
Ab Sandvik Coromant, Sandviken, SE;
AB SANDVIK COROMANT, Sandviken, SE;
Abstract
A trigonal cutting insert for a shoulder milling tool includes an upper side, an opposite lower side and a peripheral side surface. A plurality of indexable cutting edges extend along corners of the cutting insert, each cutting edge having a main cutting edge, a corner cutting edge, and a surface-wiping secondary cutting edge. The upper side includes a recessed central surface, and a plurality of positively inclined rake surfaces having a main rake surface portion, a corner rake surface portion, and a secondary rake surface portion. A concave indentation is formed in the corner rake surface portion and in at least an initial part of the main rake surface portion adjacent to the corner rake surface portion, wherein the concave indentation has an elongated shape.