Tyre assembling and vulcanizing

Tyre prodn. uses an inflatable, flexible membrane (10) able to retain the raw rubber forming the inner wall of the tyre during assembly and capable of sepn. after vulcanisation. Process consists of inflating the membrane to a given pressure to form reference support toroid for assembly; forming the...

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Bibliographische Detailangaben
Hauptverfasser:	MOUSTY, HERVE, LAURENT, DANIEL
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS 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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Beschreibung
Zusammenfassung:	Tyre prodn. uses an inflatable, flexible membrane (10) able to retain the raw rubber forming the inner wall of the tyre during assembly and capable of sepn. after vulcanisation. Process consists of inflating the membrane to a given pressure to form reference support toroid for assembly; forming the raw blank by winding on successive layers of tape and components; vulcanising the blank; deflating the membrane and removing it from the tyre. Also claimed is the equipment consisting of the inflatable flexible membrane (10), made of HMBR, ethylene acrylate rubber or fluorinated elastomer, provided with two beads (11). Each bead is anchored in a plate (30,31) to which is mounted a rigid wall, (4) adjacent to the membrane (10) when it is inflated, formed by a series of hinged petals, that constitute a reference surface for the tyre during vulcanisation and are tipped to give sepn. of the tyre from the module after vulcanisation.