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1. IN8065/DELNP/2015 - IMPROVED METHODS OF TIRE RETREADING WITH ABUTTING TREAD COMPONENTS

Office
India
Application Number 8065/DELNP/2015
Application Date 07.09.2015
Publication Number 8065/DELNP/2015
Publication Date 08.07.2016
Publication Kind A
IPC
B29D 30/54
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
30Producing pneumatic or solid tyres or parts thereof
06Pneumatic tyres or parts thereof
52Unvulcanised treads, e.g. on used tyres; Retreading
54Retreading
Applicants COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
MICHELIN RECHERCHE ET TECHNIQUE S.A.
Inventors IKONOMOV Metodi L.
COLBY E. Bruce
TSIHLAS Dimitri G.
WIDMYER Michael
ZARAK Cesar E.
Title
(EN) IMPROVED METHODS OF TIRE RETREADING WITH ABUTTING TREAD COMPONENTS
Abstract
(EN) The present invention includes methods for forming a retreaded tire which includes the steps of providing an annular tire carcass and providing a plurality of tread components each comprising an independent structure which are then assembled to form an assembled tire tread. The tread is subsequently bonded to the tire carcass to form a retreaded tire the tire tread being arranged along an outer circumference of the annular tire carcass with a bonding layer between the tire tread and the tire carcass the bonding layer comprising an uncured elastomeric material being cured during the step of bonding. The tire tread is assembled such that the plurality of tread components are concurrently arranged around the outer circumference of the tire carcass to form a tire tread.