摘要 |
<p>The combined fuel reservoir and wick is for use as a brazier, night-light, fumigating pot etc. It comprises a block of synthetic foam of honey comb structure, acting both as reservoir and wick, and enclosed at the base and sides by a packing vessel. The foam can have an urea-formol base. The packing vessel can be enclosed by a second wall with ventilation holes and movable upwards on it so as to form a radiation sheet, having an annular groove locking into engagement with a rib on the vessel in the working position.</p> |