| 摘要 |
<p>For a gas lighter to be replenished with liquefied gas from a filler bottle with a nozzle, a filler valve has within a housing a valve stem spring loaded to close a seal with the housing. The clearance between the stem and the housing provides a filler channel and the end face of the valve stem facing the nozzle has at least one depression or elevation providing a path opening into that channel, the valve housing having a sloping internal sholder around the outer end of the valve stem to seal off the nozzle.</p> |
