In the refillable butane lighters which have no window onto the plastic gas chamber, how is it ensured that they are not overfilled by a user during refilling. I presume they need a space for expansion just like gas stove cylinders and the manufacturer cannot leave it to chance?
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Refillable butane lighters: how is overfilling avoided?
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> how is it ensured that they are not overfilled by a user during refilling.
Dunno, but I don't think I would worry much.
Fill it full, then light it for 10-15 seconds.
Actually, its a LOT easier to buy a new Bic when you have to.
Cheers
It's not an issue if you use a "lighter fluid" butane canister to refill the lighter with, because the can pressure is limited. Fill it, light it to verify and you're done.
I agree, however, that it's easier to just pop another mini-Bic into your pack. :)
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