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:
Feb. 24, 2015
Filed:
Oct. 18, 2012
Applicant:
Pirelli Tyre S.p.a., Milan, IT;
Inventors:
Gaetano Lo Presti, Milan, IT;
Rodolfo Noto, Milan, IT;
Ignazio De Gese, Milan, IT;
Giovanni Pozzati, Milan, IT;
Massimo Loprevite, Milan, IT;
Assignee:
Pirelli Tyre S.p.A., Milan, IT;
Primary Examiner:
Int. Cl.
CPC ...
B29D 23/24 (2006.01); B29C 35/00 (2006.01); B29D 30/06 (2006.01); B29C 43/36 (2006.01); B32B 3/06 (2006.01); B32B 7/08 (2006.01); B32B 25/04 (2006.01); B29D 30/26 (2006.01); B29K 83/00 (2006.01); B29L 22/02 (2006.01);
U.S. Cl.
CPC ...
B29D 30/0601 (2013.01); B29C 43/3642 (2013.01); B29D 30/0654 (2013.01); B29D 30/0662 (2013.01); B32B 3/06 (2013.01); B32B 7/08 (2013.01); B32B 25/04 (2013.01); B29D 2030/0655 (2013.01); B29D 2030/2614 (2013.01); B29K 2083/00 (2013.01); B29L 2022/025 (2013.01);
Abstract
An expandable bladder has at least one first layer of butyl material and one second layer of silicone material, radially external to the first layer. The first and second layers have an undulated interface profile defining mechanical-engagement elements between the first and second elastomer materials. A process for manufacturing bladder as well as a tire molding and vulcanizing apparatus incorporating the bladder.