A truck tire having an improved precured tread and its method of manufacturing

Precured tread (10) is moulded to an unvulcanised tyre casing (100) by placing both inside a smooth mould, inserting an inflatable bladder (80) inside the casing before closing the mould, inflating the bladder to expand the casing firmly into contact with the tread and to expand the tread so that it...

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Bibliographische Detailangaben
Hauptverfasser:	LAURICH, THOMAS ANDREW, CHLEBINA, LAWRENCE EDWARD, TUBB, GARY EDWIN
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING DEVICES OR ARRANGEMENTS RELATED TO TYRES PERFORMING OPERATIONS PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIESIN GENERAL SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING TYRE CHANGING OR REPAIRING TYRE INFLATION VEHICLE TYRES VEHICLES IN GENERAL WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	Precured tread (10) is moulded to an unvulcanised tyre casing (100) by placing both inside a smooth mould, inserting an inflatable bladder (80) inside the casing before closing the mould, inflating the bladder to expand the casing firmly into contact with the tread and to expand the tread so that it engages the smooth mould and forms an air-tight seal at an annular projection (60) radially above the intersection of each side of the inner tread surface with opposite tread edges, and applying heat and pressure to the mould to cause a uniform flow of casing material radial outwards along the tread edges to the annular projections.