Anyone know about refillable lighters?

Question

Im doing a college project on refillable lighters but i dont know much about them and i cant find any websites about them or where to get only the parts.

Answer 1

Other than fuel, flints and  wicks are the only user servicable parts of a wind proof lighter.  Zippo offers a repair service

You may be able to swap the internal housing between cases (outer housing with the flip top) if you have an older case with sentimental value or unique design.