METHOD AND APPLICATION UNIT FOR APPLYING A SOUND-ABSORBING MATERIAL IN AN INNER CAVITY OF A PNEUMATIC TYRE

METHOD AND APPLICATION UNIT FOR APPLYING A SOUND-ABSORBING MATERIAL IN AN INNER CAVITY OF A PNEUMATIC TYRE

Method and application unit (3) for applying a sound-absorbing material (2) to an inner cavity of a pneumatic tyre (1) using a strip (4) of sound-absorbing material (2) provided on one side with an adhesive layer (6) covered with a protective lining (7). The following steps are provided: attaching a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: STRAFFI, Paolo, CIARNELLA, Alessio
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
PERFORMING OPERATIONS
PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:Method and application unit (3) for applying a sound-absorbing material (2) to an inner cavity of a pneumatic tyre (1) using a strip (4) of sound-absorbing material (2) provided on one side with an adhesive layer (6) covered with a protective lining (7). The following steps are provided: attaching an initial part of the protective lining (7) to a recovery drum (26); partially winding the strip of sound-absorbing material onto the applicator roller (24); pressing, by means of the applicator roller (24), the strip (4) of sound-absorbing material (2) against the inner cavity of the pneumatic tyre (1) whilst the pneumatic tyre (1) is caused to rotate; and rotating the recovery drum (26) synchronously with the pneumatic tyre (1), such as to wind the protective lining (7) around the recovery drum (26), step-by-step, as the protective lining (7) is separated from the strip (4) of sound-absorbing material (2).