CÂMARA EXPANSÍVEL, MÉTODO PARA FABRICAR A MESMA, APARELHO DE VULCANIZAÇÃO PARA PNEUS COMPREENDENDO A CÂMARA EXPANSÍVEL, E, PROCESSO PARA FABRICAR PNEUS DE RODAS DE VEÍCULO

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 materia...

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Bibliographic Details
Main Authors IGNAZIO DE GESE, GIOVANNI POZZATI, MASSIMO LOPREVITE, RODOLFO NOTO, GAETANO LO PRESTI
Format Patent
LanguagePortuguese
Published 04.03.2014
Subjects
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
PERFORMING OPERATIONS
PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Summary: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.
Bibliography:Application Number: BR20030318563