On Monday, June 9, 2014 9:27:29 AM UTC-7, Dave Smith wrote:

>
> I have a faint recollection of cans with a conical top and screw cap,
> but I don't remember if that was used with pop cans or just for beer.

The only conical top cans in my day were the ones HEET gas antifreeze came
in.

http://camelsnose.files.wordpress.co...an-vintage.png