Donald W Rieger

US Patent:

20080152742, Jun 26, 2008

Filed:

Dec 20, 2006

Appl. No.:

11/642441

Inventors:

Todd Andrew Bachochin - Berlin Center OH, US
William Andrew Haydu - Akron OH, US
Larry Pete Ivery - Akron OH, US
William Frederick Niessen - Cuyahoga Falls OH, US
Michael Liam McBride - Akron OH, US
Donald William Rieger - Stow OH, US

International Classification:

B29D 29/08

US Classification:

425 46

Abstract:

The invention provides a tire mold having a first mold half, a second mold half, and a center ring portion formed of a plurality of tread segments. Each mold half has an inner surface machined with a sidewall molding portion and each of said tread segments having an inner surface having a tread molding portion, each tread molding portion terminating at a first split plane and a second split plane. Each of the center ring segments further comprise a first segment register surface for engagement with a first mold register surface of the first mold half; said center ring segments further comprising a second segment register surface for engagement with a second mold reverse register surface of the second mold half; and wherein each of said tread segments has a radially outward flange forming a hinge for rotatably mounting each tread segments to the second mold half.