I also have the heavyweight can that Adrian mentioned (1940 dated). Much thicker gauge steel and a screw cap. I don't think these were for fuel. More likely water, soup or other liquids.
Something I've pondered myself Rob. How indeed was the cap fixed on a Flimsy? I'm sure that our modern ring pulls are not soldered...are they? But modern technology doesn't compare with nearly 80 years ago. Someone did mention "electric soldering" So if the can was pre tinned and then molten solder put on the cap after the fuel was added.......Would that work? No H&S back then! Perhaps they were just pressed in? Ron
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