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:
Jul. 25, 2023
Filed:
Feb. 03, 2021
Applicant:
Special Springs S.r.l., Romano D'Ezzelino, IT;
Inventors:
Dante Cappeller, Cartigliano, IT;
Massimo Fiorese, Bassano Del Grappa, IT;
Francesco Bordin, Caerano di San Marco, IT;
Assignee:
SPECIAL SPRINGS S.R.L., Romano d'Ezzelino, IT;
Primary Examiner:
Int. Cl.
CPC ...
B30B 15/18 (2006.01); B21D 24/14 (2006.01); B30B 1/32 (2006.01); B30B 15/16 (2006.01); F15B 1/02 (2006.01); F15B 21/14 (2006.01);
U.S. Cl.
CPC ...
B30B 15/186 (2013.01); B21D 24/14 (2013.01); B30B 1/32 (2013.01); B30B 15/163 (2013.01); B30B 15/165 (2013.01); F15B 1/021 (2013.01); F15B 21/14 (2013.01);
Abstract
An apparatus for the controlled return of the stems in cylinders of the types that can be applied to a press for stamping sheet metal, comprising: