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.

Date of Patent:
Nov. 07, 2023

Filed:

Oct. 07, 2021
Applicant:

Aktiebolaget Skf, Gothenburg, SE;

Inventors:

Davide Antonio Olivieri, Turin, IT;

Laura Sguotti, Bricherasio, IT;

Fulvio Carlo Nicastri, Garzigliana, IT;

Enrico Luigi Morello, Roletto Turin, IT;

Luca Biancone, Turin, IT;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21D 53/10 (2006.01); B29C 67/00 (2017.01); B29L 31/04 (2006.01);
U.S. Cl.
CPC ...
B29C 67/0029 (2013.01); B29L 2031/04 (2013.01);
Abstract

An apparatus including a plurality of first and second pressing elements arranged in crown symmetrically around an axis of symmetry (B) so that a first end of a first pressing element cooperates in contact with a second end of a second pressing element; wherein the first and second pressing elements are supported slidingly and passing through by, respectively, a first and a second plate coupled and bound to each other, in respective second and first slits angularly spaced apart; the first pressing elements being provided with hammerheads circumferentially wider than the second slits and which cooperate circumferentially without play in contact with each other, and the second pressing elements being provided with engraving heads circumferentially wider than the first slits, which cooperate circumferentially without play in contact with each other.


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