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US 6,672,857 B2Granted
Device for introducing a coating into pipes
OwnerWalter Hecken, Wolfgang Leichnitzinventors
Life of this patent
Estimating the term…
Abstract
Device for introducing a coating into pipes and pipe bends and, more generally, into rotationally symmetrical bodies open at only at least one end, with an elastic, elongate, inflatable core (12), the so-called “variocore”.
Claims11
Device for introducing a coating into pipes and pipe bends being open at only at least one end, said coating device characterized by an elastic, elongate, inflatable core, the expansion of which is limited by spreaders to be fastened on the inside of the pipe or pipe bend.
Dependencies are inferred from the claim text.