| 摘要 |
PURPOSE:To permit easy application by spraying of a lining on the wall surface of a chimney or the like by providing a freely swivelable spray nozzle support device which is adjustable in position with respective to the wall surface on a working stage moving oppositely to the wall surface and attaching a spray nozzle thereto. CONSTITUTION:A spray nozzle support device is mounted on the beam 4a of a working stage 4 moving oppositely to the wall surface of a chimney or the like. The support device is constituted of a swiveling part 5 bolted 13 to the beam 4a, a bar 5a connecting the part 5 and a slide arm holding socket 6, a slide arm 8 supported adjustably in the longitudinal direction thereof by means of the socket 6 and a lock screw 7, and a slide arm 10 supported adjustably by means of a lock screw 9 provided to the arm 8. A spray nozzle 1 is attached via a nozzle suspender 11 to the end part of the arm 10 and a lining is applied by spraying.
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