Clamped Seal for WC inlet - what's it called / how to repair?

[radon1111]

I have a lead pipe fitting into the W.C. and there is a rubber ring seal that was held in place by a clamping assembly. The clamp has rusted away, but the seal seems ok. Is there a name for this clamp assembly? Any replacement devices without having to remove the WC or pipe because it's all fixed in place! Thanks

[Peter Taylor]

It sounds like a Timesaver coupling