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:
Apr. 28, 2009
Filed:
Nov. 05, 2007
Eric Michel Henrotte, Saint-Leger, BE;
Klaus-dieter Schultz, Hanau, DE;
Alessandro Molinari, Luxembourg Ville, LU;
Yacine Ouyahia, Bereldange, LU;
Gerard Louis Marie Schmit, Attert, BE;
Eric Michel Henrotte, Saint-Leger, BE;
Klaus-Dieter Schultz, Hanau, DE;
Alessandro Molinari, Luxembourg Ville, LU;
Yacine Ouyahia, Bereldange, LU;
Gerard Louis Marie Schmit, Attert, BE;
The Goodyear Tire & Rubber Company, Akron, OH (US);
Abstract
A method and apparatus for venting a mold for vulcanizing a tire is provided. The mold comprises a plurality of tread segments for forming the tread on a green tire, wherein each of said tread segments further comprises an outer cavity plate having an interior surface and an exterior surface, the cavity plate having a plurality of channels. Each of the channels has a vent hole extending from the channel to the exterior surface of the outer cavity plate, and a rib mounted over the channel. The adjoining surface of the rib mating with the interior surface of the cavity plate, wherein one of the mating surfaces has a roughened surface forming a vent passageway with the interior surface of the cavity plate for venting mold gasses from the interior of the mold to the exterior of the mold. The invention may further include a blade and blade passageway wherein the blade outer surface has a rough outer surface for forming a vent passageway with the blade passageway.