| 摘要 |
<p>Device for cleaning both domestic and industrial chimney flues, also acting as a chimney-pot. The cleaning of the flues is effected by the straight up and down movement of a metal brush (Fig.1) fitted with steel wire bristles (CLEANING PORCUPINE), activated manually by a metal chain (Fig.5) and pulley system (Fig.4) or by a cog-wheel in the case of large industrial chimneys, positioned and fitted into the intrados of a steel plate (Fig.2) which acts as a cover for the device.</p> |
