UNIT FOR THE SPIRAL APPLICATION OF A SEALANT FLUID INSIDE A TYRE

The invention relates to a spiral application unit of a sealing fluid on an inner surface of a pneumatic tyre 4. The application unit 1 has a rolling device which is suitable for making the pneumatic tyre rotate, an extrusion head 5 provided with a die 6 which is suitable for delivering the sealing...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SABELLA, ANDREA, CAMOSI, LUCA, STRAFFI, PAOLO
Format:	Patent
Sprache:	eng ; pol
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 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:	The invention relates to a spiral application unit of a sealing fluid on an inner surface of a pneumatic tyre 4. The application unit 1 has a rolling device which is suitable for making the pneumatic tyre rotate, an extrusion head 5 provided with a die 6 which is suitable for delivering the sealing fluid 2, and a manipulation device 7 which supports the extrusion head 5. The die 6 has: a cavity wherein the sealing fluid 2 flows, a first application aperture 13 with an elongated shape that permits the sealing fluid 2 to flow from the cavity, and a second application aperture 14 with an elongated shape which is separate and independent from the first application aperture 13, is parallel and adjacent to the first application aperture 13, and permits the sealing fluid 2 to flow from the cavity in addition to the first application aperture 13.