VACUUM CLEANER HOSE AND METHOD AND APPARATUS FOR MAKING THE SAME

摘要

A vacuum cleaner hose and method and apparatus of making the same are provided, the hose having opposite ends and a plurality of annular corrugations between the opposite ends thereof, the corrugations comprising a plurality of alternating annular crests and annular valleys that are interconnected together by annular sidewalls, each valley and each crest defining a radius at the apex thereof, each valley being narrower than the crests and having a smaller radius than the crests.