| 摘要 |
PCT No. PCT/FI83/00069 Sec. 371 Date Jul. 6, 1984 Sec. 102(e) Date Jul. 6, 1984 PCT Filed Nov. 11, 1983 PCT Pub. No. WO84/01906 PCT Pub. Date May 24, 1984.A fuse for safety appliances such as fire limiters in ventilation systems, the fuse comprising a first part, a second part, fusible material disposed between said first and second parts for normally maintaining said parts in fixed position with respect to one another when the fusible material is in solid form, a narrow path being defined for flow of fusible material in molten form, and the first and second parts being urged towards one another. The parts move towards one another when the fusible material melts and flows through the narrow path. The parts stop moving when the fusible material stops flowing with the parts again maintained in fixed position with respect to one another when the fusible material resolidifies. |
