Gary
Well-Known Member
Just got a original threaded valve stem tube for my 50 from Kirby that needed a patch. Knew it going in so I thought hey I'll just get some hot patches. To my surprise and disbelief I found the EPA does not allow the sale of them anymore,must be a major source of pollution. So I went digging in an old cabinet and found 6 Monkey Grip rubber vulcanizing patches,Score! Here are some pictures for you guy's who have never seen these before.
Here is the Tool used to hold the patch in position -
This is the patch with the protective film in place
Here it is with the film removed
You clean up the area where the patch is to go,they supplied something that looks like a cheese grater. Sandpaper can be used too but I just hit it with a wire wheel. Center the patch over the hole and tighten the clamp.
Now comes the fun part- you pry up an edge of white substance and light it! The heat and pressure vulcanize the patch to the tube, here it is lit and doing it's thing. Please don't turn me in
After it's done burning you leave it sit for at least 5 minutes then remove the clamp and peel the tube from the metal backer
Here is a patch I put on over 45 years ago on the original rear tube. I had run over a toothpick of all things on the driveway. Now that I have a matching double nut tube they both will go back on the bike. Thanks Kirby! Really too bad you can't get these anymore they really seem to work
Here is the Tool used to hold the patch in position -
This is the patch with the protective film in place
Here it is with the film removed
You clean up the area where the patch is to go,they supplied something that looks like a cheese grater. Sandpaper can be used too but I just hit it with a wire wheel. Center the patch over the hole and tighten the clamp.
Now comes the fun part- you pry up an edge of white substance and light it! The heat and pressure vulcanize the patch to the tube, here it is lit and doing it's thing. Please don't turn me in
After it's done burning you leave it sit for at least 5 minutes then remove the clamp and peel the tube from the metal backer
Here is a patch I put on over 45 years ago on the original rear tube. I had run over a toothpick of all things on the driveway. Now that I have a matching double nut tube they both will go back on the bike. Thanks Kirby! Really too bad you can't get these anymore they really seem to work