Title:
空気入りタイヤの内腔に吸音材を貼付する方法及び貼付ユニット
Document Type and Number:
Japanese Patent JP7462079
Kind Code:
B2
Abstract:
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).
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Inventors:
Alessio Ciarnera
Paolo Straffi
Paolo Straffi
Application Number:
JP2022580911A
Publication Date:
April 04, 2024
Filing Date:
June 25, 2021
Export Citation:
Assignee:
BRIDGESTONE EUROPE NV/SA
International Classes:
B29D30/06; B60C5/00
Domestic Patent References:
| JP6551580B1 | ||||
| JP2018202765A | ||||
| JP2018030325A | ||||
| JP2008006783A | ||||
| JP201142363A | ||||
| JP2007112395A | ||||
| JP202044587A |
Foreign References:
| WO2018079247A1 | ||||
| KR1020100043653A | ||||
| EP2862702A1 | ||||
| US20170225417 |
Attorney, Agent or Firm:
Kenji Sugimura
Mitsutsugu Sugimura
Yusuke Yamaguchi
Mitsutsugu Sugimura
Yusuke Yamaguchi