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. 23, 2024
Filed:
Oct. 20, 2020
Safran Helicopter Engines, Bordes, FR;
Cyril Roger Vernault, Moissy-Cramayel, FR;
Quentin Robert Marcel Bonnardel, Moissy-Cramayel, FR;
Fabrice Crabos, Moissy-Cramayel, FR;
SAFRAN HELICOPTER ENGINES, Bordes, FR;
Abstract
The invention relates to a cold expansion device () for work hardening a through bore () in a turbine engine part (), comprising at least one chuck () supporting a burnisher () and a means () for pushing the chuck () in an axial direction, and is characterised in that it comprises at least: —a tubular guide () configured to guide the burnisher () to the bore (), —a first magnetic attachment means () arranged at a free end () of the chuck (), —the burnisher (), comprising a work surface () and an end () comprising second magnetic attachment means () complementary to the first magnetic attachment means (), and in that the axial pushing means () is configured to push the burnisher through the bore () until it emerges from stud bore.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile