| 摘要 |
<p>A barrel neck connector comprises two pairs of flanges (11, 12, 13, 14) provided at opposite ends of a tube (10). A filter cloth (15) is provided between each pair of flanges (11, 12, 13, 14). One or more seals (16) may be provided between the filter cloths (15) and the flanges (11, 12, 13, 14).</p> |
