This antique Universal rivet setter I have was still new in the box when I got it. I've seen used versions on eBay sell for $15-$25. It was easy to retrofit the upper die by using a 5/16" bolt that I cut down. Anyone should be able to copy this if you want to have your own.
If anyone is in the Milwaukee area you can always stop by and borrow mine.
I know a little about setting rivets. The vent and daisy wheel rivets are solid rivets. This style rivet are typically set with a pneumatic hammering tool on one side and a hand held domed dolly on the other side.
On the lid vents, the dome on the rivet is on the outside. A hand held steel domed dolly would be placed snugly against this domed rivet. A pneumatic hammering gun would hammer the back side of this solid rivet causing it to mushroom till the vent is secured in place.
I have a couple of these domed hand dollies but they may not be the correct size Weber used. I'll need to test fit them against the Weber domed rivet to see if they fit.
These purpose build pneumatic riveting tools are expensive and I don't own one. I don't see how one couldn't retrofit a cheap air chisel to perform the same job since you would be using aluminum domed rivets that won't require much force.
I'll build a jig that would accommodate an 18",22" or 26" kettle to hand hammer rivets in place. This would be ideal and less expensive. It would be large and take up some space. Would be a very slow way at installing one rivet at a time but we are not in production here. Besides, anyone would feel safer hammering in a rivet by hand rather than using a pneumatic tool that could easily get away from you and cause major damage to the porcelain.
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