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:
Apr. 10, 2018

Filed:

Jun. 01, 2015
Applicant:

Marangoni Meccanica S.p.a., Rovereto, IT;

Inventors:

Giogio Marangoni, Rovereto, IT;

Viscardo Baldoni, Rovereto, IT;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29D 30/26 (2006.01); B29D 30/32 (2006.01); B29D 30/24 (2006.01);
U.S. Cl.
CPC ...
B29D 30/32 (2013.01); B29D 30/245 (2013.01); B29D 30/26 (2013.01); B29D 2030/2614 (2013.01); B29D 2030/325 (2013.01); B29D 2030/3228 (2013.01); B29D 2030/3235 (2013.01); B29D 2030/3242 (2013.01);
Abstract

To form a tire carcass, a body ply is wound about a drum, which has two half-drums movable axially in opposite directions to and from a center plane of the drum, and having respective turn-up bladders, on each of which is laid a respective annular lateral portion of the body ply; each annular lateral portion being turned up about a respective bead bundle and onto a sidewall of a toroidal-shaped annular central portion of the body ply by inflating the relative turn-up bladder and controlling distension of a given annular portion of the turn-up bladder so that, when inflation is completed, the annular portion assumes a given final position, in which an intermediate portion of the turn-up bladder rolls outwards along the relative sidewall of the annular central portion of the body ply.


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